Company lists · Data refreshed November 2026
Top 25 Administrative service companies worldwide
RevenueBase identified 11,864 company matches for administrative service companies worldwide as of November 2026 and tracks 73,576 professional contacts across them, including 14,982 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for administrative service companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for administrative service companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest administrative service companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 11,520 contacts → | ||||
Exact match “We provide employee, financial and legal administration so that firms can invest and operate safely around the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,182 contacts → | ||||
Exact match “NASCO empowers health plans to innovate, grow, and deliver better experiences through a comprehensive suite of healthcare technology solutions and services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 769 contacts → | ||||
Exact match “At Prialto, we exist to Amplify People, from every executive who uses our service to every employee who delivers it.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 645 contacts → | ||||
Exact match “Medica Health Management provides comprehensive business management services, including: clinical, financial, administrative, human resources and marketing to Home Health and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 607 contacts → | ||||
Exact match “Brickwork India, a Women-owned Business Enterprise (WBE) and an ISO 27001: 2022 certified company, is the pioneer and leader in the Global Business Support Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 524 contacts → | ||||
Exact match “TRISTAR began as an insurance program manager and medical malpractice claims administrator in 1987.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 501 contacts → | ||||
Exact match “OBM is a leading business process management company in UAE which provides client driven business management solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 476 contacts → | ||||
Exact match “Velan Info Services is a leading multidisciplinary service provider with its clients across the globe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 390 contacts → | ||||
Exact match “Health India Insurance TPA Services Pvt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 229 contacts → | ||||
Exact match “Servicios Contables is an Executive Office company located in 115 Parker Rd, Houston, Texas, United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 221 contacts → | ||||
Exact match “Savvital is a premier Virtual Assistant firm delivering a fully managed, white-glove experience for growing small and medium-sized businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 220 contacts → | ||||
Exact match “We deliver value by taking care of admin and non-core tasks, enabling the productivity of our clients’ stakeholders.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 213 contacts → | ||||
Exact match “GuideWell Source is a leading administrative services company providing full-service, administrative business solutions for health programs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 200 contacts → | ||||
Exact match “We are a Mexican service provider, specialized in delivering turnkey, cost-competitive, planning, and implementation of administrative support solutions for companies looking to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 196 contacts → | ||||
Exact match “Ametros, the industry leader in professional administration, transforms how injured individuals manage their healthcare after a settlement.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 196 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 181 contacts → | ||||
Exact match “smartelia is a company, offering trusted, experienced and qualified virtual assistants for Small and Medium Companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 175 contacts → | ||||
Exact match “Reval SAS - Recaudos de Valores SAS is an executive office company based out of Cra.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 154 contacts → | ||||
Exact match “Marcelo de los Santos y Cía, S.C, presta una amplia gama de servicios con base en un equipo de trabajo formado por contadores públicos, administradores, abogados, especialistas en…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 143 contacts → | ||||
Exact match “Nous proposons en externalisation toutes les compétences nécessaires à la gestion administrative et à l'administration des entreprises dans les conditions optimales de performance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 142 contacts → | ||||
Exact match “Dedicated Customer Service, Bookkeeping, and Back-Office Virtual Assistants Built For Short Term Rental Property Managers, Home Services Companies, and other Small businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 140 contacts → | ||||
Exact match “PREVIMEDICAL - Servizi per la Sanità Integrativa - SpA è un Third Party Administrator indipendente specializzata nella prestazione dei servizi amministrativi, liquidativi…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 139 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 137 contacts → | ||||
Exact match “Whether growing a client relationship, helping a customer select the right insurance product or designing a customer-facing web application, we look to the talent of our diverse…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 130 contacts → | ||||
Exact match “GLC Business Services provides professional organizations with customer service focused on-site support.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “administrative service companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 11,864 administrative service companies worldwide
See the full list, filter by size, metro and specialty, and access 14,982 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Administrative service companies worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for administrative service companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “administrative service companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 14,982 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Administrative service companies by location
32 lists · largest firstEvery Administrative service companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Administrative service companies based in the United States1,751
- Administrative service companies based in France1,174
- Administrative service companies based in the United Kingdom1,117
- Administrative service companies based in the Netherlands817
- Administrative service companies based in Brazil578
- Administrative service companies based in Australia385
- Administrative service companies based in Spain334
- Administrative service companies based in Italy328
- Administrative service companies based in Canada279
- Administrative service companies based in South Africa231
- Administrative service companies based in Belgium225
- Administrative service companies based in India189
- Administrative service companies based in the Philippines176
- Administrative service companies based in Germany171
- Administrative service companies based in Switzerland165
- Administrative service companies based in New Zealand93
- Administrative service companies based in Mexico90
- Administrative service companies based in Sweden61
- Administrative service companies based in Denmark52
- Administrative service companies based in Portugal52
- Administrative service companies based in the United Arab Emirates45
- Administrative service companies based in Ireland29
- Administrative service companies based in Israel27
Cities
- Administrative service companies based in London, United Kingdom163
- Administrative service companies based in Sao Paulo, Brazil101
- Administrative service companies based in Paris, France81
- Administrative service companies based in New York, United States48
- Administrative service companies based in Sydney, Australia46
- Administrative service companies based in Atlanta, United States41
- Administrative service companies based in Houston, United States38
- Administrative service companies based in Melbourne, Australia35
- Administrative service companies based in Perth, Australia33
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “administrative service companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many administrative service companies are there worldwide?
RevenueBase identified 11,864 company matches for administrative service companies worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
TMF Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most administrative service companies?
The United States leads with 1,751 companies, followed by France (1,174) and the United Kingdom (1,117). Every administrative service companies list by country and city is linked on this page.
Which city has the most administrative service companies?
London leads with 170 company records, followed by Sao Paulo (101) and Paris (81).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 14,982 professional contacts with verified work emails tracked across these 11,864 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 11,864 administrative service companies worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 administrative service companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 11,864 matching company records for administrative service companies worldwide, with 73,576 tracked contacts and 14,982 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 administrative service companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  TMF Grouptmf-group.comHQ: Amsterdam, NetherlandsReported employees: 10001+ | Amsterdam, Netherlands | 10001+ | Exact match | 11,520 contacts → |
“We provide employee, financial and legal administration so that firms can invest and operate safely around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  NASCOnasco.comHQ: Atlanta, PA, United StatesReported employees: 201-500 | Atlanta, PA, United States | 201-500 | Exact match | 1,182 contacts → |
“NASCO empowers health plans to innovate, grow, and deliver better experiences through a comprehensive suite of healthcare technology solutions and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Prialtoprialto.comHQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 769 contacts → |
“At Prialto, we exist to Amplify People, from every executive who uses our service to every employee who delivers it.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Medica Health Managementmedicahealth.comHQ: Southlake, TX, United StatesReported employees: 201-500 | Southlake, TX, United States | 201-500 | Exact match | 645 contacts → |
“Medica Health Management provides comprehensive business management services, including: clinical, financial, administrative, human resources and marketing to Home Health and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Brickwork Indiabrickworkindia.comHQ: Bangalore, IndiaReported employees: 201-500 | Bangalore, India | 201-500 | Exact match | 607 contacts → |
“Brickwork India, a Women-owned Business Enterprise (WBE) and an ISO 27001: 2022 certified company, is the pioneer and leader in the Global Business Support Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Tristar Insurance Grouptristargroup.netHQ: Long Beach, CA, United StatesReported employees: 501-1,000 | Long Beach, CA, United States | 501-1,000 | Exact match | 524 contacts → |
“TRISTAR began as an insurance program manager and medical malpractice claims administrator in 1987.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  OWN Business Managementobmworldwide.comHQ: Ajman Free Zone, United StatesReported employees: Not recorded | Ajman Free Zone, United States | Not recorded | Exact match | 501 contacts → |
“OBM is a leading business process management company in UAE which provides client driven business management solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Velan Info Servicesvelaninfo.comHQ: Dover, DE, United StatesReported employees: 201-500 | Dover, DE, United States | 201-500 | Exact match | 476 contacts → |
“Velan Info Services is a leading multidisciplinary service provider with its clients across the globe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Healthindia Insurance TPA Services Pvt. LTDhealthindiatpa.comHQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 390 contacts → |
“Health India Insurance TPA Services Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Servicios Contablessccalop.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 229 contacts → |
“Servicios Contables is an Executive Office company located in 115 Parker Rd, Houston, Texas, United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Savvitalsavvital.usHQ: Minneapolis, United StatesReported employees: 201-500 | Minneapolis, United States | 201-500 | Exact match | 221 contacts → |
“Savvital is a premier Virtual Assistant firm delivering a fully managed, white-glove experience for growing small and medium-sized businesses.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Smartpasmart-pa.comHQ: Edinburgh, United KingdomReported employees: 201-500 | Edinburgh, United Kingdom | 201-500 | Exact match | 220 contacts → |
“We deliver value by taking care of admin and non-core tasks, enabling the productivity of our clients’ stakeholders.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Guidewell Sourceguidewellsource.comHQ: Jacksonville, United StatesReported employees: 1,001-5,000 | Jacksonville, United States | 1,001-5,000 | Exact match | 213 contacts → |
“GuideWell Source is a leading administrative services company providing full-service, administrative business solutions for health programs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  DIMSAdimsa.comHQ: San Pedro, MexicoReported employees: 51-200 | San Pedro, Mexico | 51-200 | Exact match | 200 contacts → |
“We are a Mexican service provider, specialized in delivering turnkey, cost-competitive, planning, and implementation of administrative support solutions for companies looking to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Ametrosametrosfinancial.comHQ: Wilmington, MA, United StatesReported employees: 51-200 | Wilmington, MA, United States | 51-200 | Exact match | 196 contacts → |
“Ametros, the industry leader in professional administration, transforms how injured individuals manage their healthcare after a settlement.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Tasks Everydaytaskseveryday.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 196 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 |  Smarteliasmartelia.comHQ: Watermael-boitsfort, BelgiumReported employees: 51-200 | Watermael-boitsfort, Belgium | 51-200 | Exact match | 181 contacts → |
“smartelia is a company, offering trusted, experienced and qualified virtual assistants for Small and Medium Companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Reval SASreval.com.coHQ: Bogota, ColombiaReported employees: 1,001-5,000 | Bogota, Colombia | 1,001-5,000 | Exact match | 175 contacts → |
“Reval SAS - Recaudos de Valores SAS is an executive office company based out of Cra.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Marcelo DE LOS Santos Y CÍAmsc.com.mxHQ: San Luis Potosí, MexicoReported employees: 201-500 | San Luis Potosí, Mexico | 201-500 | Exact match | 154 contacts → |
“Marcelo de los Santos y Cía, S.C, presta una amplia gama de servicios con base en un equipo de trabajo formado por contadores públicos, administradores, abogados, especialistas en…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Gallo & Associésgallo.frHQ: Lyon, FranceReported employees: 201-500 | Lyon, France | 201-500 | Exact match | 143 contacts → |
“Nous proposons en externalisation toutes les compétences nécessaires à la gestion administrative et à l'administration des entreprises dans les conditions optimales de performance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  CS Outsourcecsoutsource.comHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 142 contacts → |
“Dedicated Customer Service, Bookkeeping, and Back-Office Virtual Assistants Built For Short Term Rental Property Managers, Home Services Companies, and other Small businesses.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Previmedical SPAprevimedical.itHQ: Preganziol, ItalyReported employees: 201-500 | Preganziol, Italy | 201-500 | Exact match | 140 contacts → |
“PREVIMEDICAL - Servizi per la Sanità Integrativa - SpA è un Third Party Administrator indipendente specializzata nella prestazione dei servizi amministrativi, liquidativi…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Terserv Serviçosterserv.com.br HQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 139 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 |  Selman & Companyselmanco.comHQ: Cleveland, OH, United StatesReported employees: 51-200 | Cleveland, OH, United States | 51-200 | Exact match | 137 contacts → |
“Whether growing a client relationship, helping a customer select the right insurance product or designing a customer-facing web application, we look to the talent of our diverse…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  GLC Business Servicesglcbs.comHQ: Rochester, NY, United StatesReported employees: 201-500 | Rochester, NY, United States | 201-500 | Exact match | 130 contacts → |
“GLC Business Services provides professional organizations with customer service focused on-site support.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 11,864 company matches
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Administrative service companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
11,784 records in the displayed employee bands.
80 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 11,864 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Administrative service companies by location
32 lists · largest firstEvery Administrative service companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Administrative service companies based in the United States1,751
- Administrative service companies based in France1,174
- Administrative service companies based in the United Kingdom1,117
- Administrative service companies based in the Netherlands817
- Administrative service companies based in Brazil578
- Administrative service companies based in Australia385
- Administrative service companies based in Spain334
- Administrative service companies based in Italy328
- Administrative service companies based in Canada279
- Administrative service companies based in South Africa231
- Administrative service companies based in Belgium225
- Administrative service companies based in India189
- Administrative service companies based in the Philippines176
- Administrative service companies based in Germany171
- Administrative service companies based in Switzerland165
- Administrative service companies based in New Zealand93
- Administrative service companies based in Mexico90
- Administrative service companies based in Sweden61
- Administrative service companies based in Denmark52
- Administrative service companies based in Portugal52
- Administrative service companies based in the United Arab Emirates45
- Administrative service companies based in Ireland29
- Administrative service companies based in Israel27
Cities
- Administrative service companies based in London, United Kingdom163
- Administrative service companies based in Sao Paulo, Brazil101
- Administrative service companies based in Paris, France81
- Administrative service companies based in New York, United States48
- Administrative service companies based in Sydney, Australia46
- Administrative service companies based in Atlanta, United States41
- Administrative service companies based in Houston, United States38
- Administrative service companies based in Melbourne, Australia35
- Administrative service companies based in Perth, Australia33
Questions about this company list
What does Exact match mean for administrative service companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many administrative service companies did RevenueBase find worldwide?
The saved snapshot records 11,864 matching company records, 73,576 tracked contacts and 14,982 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 administrative service companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/administrative-service-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 administrative service companies worldwide
RevenueBase records 11,864 matching company records for administrative service companies worldwide, with 73,576 tracked contacts and 14,982 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 administrative service companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | TMF Grouptmf-group.com HQ: Amsterdam, NetherlandsReported employees: 10001+ | Amsterdam, Netherlands | 10001+ | Exact match | 11,520 contacts → |
“We provide employee, financial and legal administration so that firms can invest and operate safely around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | NASCOnasco.com HQ: Atlanta, PA, United StatesReported employees: 201-500 | Atlanta, PA, United States | 201-500 | Exact match | 1,182 contacts → |
“NASCO empowers health plans to innovate, grow, and deliver better experiences through a comprehensive suite of healthcare technology solutions and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Prialtoprialto.com HQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 769 contacts → |
“At Prialto, we exist to Amplify People, from every executive who uses our service to every employee who delivers it.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Medica Health Managementmedicahealth.com HQ: Southlake, TX, United StatesReported employees: 201-500 | Southlake, TX, United States | 201-500 | Exact match | 645 contacts → |
“Medica Health Management provides comprehensive business management services, including: clinical, financial, administrative, human resources and marketing to Home Health and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Brickwork Indiabrickworkindia.com HQ: Bangalore, IndiaReported employees: 201-500 | Bangalore, India | 201-500 | Exact match | 607 contacts → |
“Brickwork India, a Women-owned Business Enterprise (WBE) and an ISO 27001: 2022 certified company, is the pioneer and leader in the Global Business Support Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Tristar Insurance Grouptristargroup.net HQ: Long Beach, CA, United StatesReported employees: 501-1,000 | Long Beach, CA, United States | 501-1,000 | Exact match | 524 contacts → |
“TRISTAR began as an insurance program manager and medical malpractice claims administrator in 1987.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | OWN Business Managementobmworldwide.com HQ: Ajman Free Zone, United StatesReported employees: Not recorded | Ajman Free Zone, United States | Not recorded | Exact match | 501 contacts → |
“OBM is a leading business process management company in UAE which provides client driven business management solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Velan Info Servicesvelaninfo.com HQ: Dover, DE, United StatesReported employees: 201-500 | Dover, DE, United States | 201-500 | Exact match | 476 contacts → |
“Velan Info Services is a leading multidisciplinary service provider with its clients across the globe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Healthindia Insurance TPA Services Pvt. LTDhealthindiatpa.com HQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 390 contacts → |
“Health India Insurance TPA Services Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Servicios Contablessccalop.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 229 contacts → |
“Servicios Contables is an Executive Office company located in 115 Parker Rd, Houston, Texas, United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Savvitalsavvital.us HQ: Minneapolis, United StatesReported employees: 201-500 | Minneapolis, United States | 201-500 | Exact match | 221 contacts → |
“Savvital is a premier Virtual Assistant firm delivering a fully managed, white-glove experience for growing small and medium-sized businesses.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Smartpasmart-pa.com HQ: Edinburgh, United KingdomReported employees: 201-500 | Edinburgh, United Kingdom | 201-500 | Exact match | 220 contacts → |
“We deliver value by taking care of admin and non-core tasks, enabling the productivity of our clients’ stakeholders.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Guidewell Sourceguidewellsource.com HQ: Jacksonville, United StatesReported employees: 1,001-5,000 | Jacksonville, United States | 1,001-5,000 | Exact match | 213 contacts → |
“GuideWell Source is a leading administrative services company providing full-service, administrative business solutions for health programs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | DIMSAdimsa.com HQ: San Pedro, MexicoReported employees: 51-200 | San Pedro, Mexico | 51-200 | Exact match | 200 contacts → |
“We are a Mexican service provider, specialized in delivering turnkey, cost-competitive, planning, and implementation of administrative support solutions for companies looking to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Ametrosametrosfinancial.com HQ: Wilmington, MA, United StatesReported employees: 51-200 | Wilmington, MA, United States | 51-200 | Exact match | 196 contacts → |
“Ametros, the industry leader in professional administration, transforms how injured individuals manage their healthcare after a settlement.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Tasks Everydaytaskseveryday.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 196 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Smarteliasmartelia.com HQ: Watermael-boitsfort, BelgiumReported employees: 51-200 | Watermael-boitsfort, Belgium | 51-200 | Exact match | 181 contacts → |
“smartelia is a company, offering trusted, experienced and qualified virtual assistants for Small and Medium Companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Reval SASreval.com.co HQ: Bogota, ColombiaReported employees: 1,001-5,000 | Bogota, Colombia | 1,001-5,000 | Exact match | 175 contacts → |
“Reval SAS - Recaudos de Valores SAS is an executive office company based out of Cra.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Marcelo DE LOS Santos Y CÍAmsc.com.mx HQ: San Luis Potosí, MexicoReported employees: 201-500 | San Luis Potosí, Mexico | 201-500 | Exact match | 154 contacts → |
“Marcelo de los Santos y Cía, S.C, presta una amplia gama de servicios con base en un equipo de trabajo formado por contadores públicos, administradores, abogados, especialistas en…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Gallo & Associésgallo.fr HQ: Lyon, FranceReported employees: 201-500 | Lyon, France | 201-500 | Exact match | 143 contacts → |
“Nous proposons en externalisation toutes les compétences nécessaires à la gestion administrative et à l'administration des entreprises dans les conditions optimales de performance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | CS Outsourcecsoutsource.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 142 contacts → |
“Dedicated Customer Service, Bookkeeping, and Back-Office Virtual Assistants Built For Short Term Rental Property Managers, Home Services Companies, and other Small businesses.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Previmedical SPAprevimedical.it HQ: Preganziol, ItalyReported employees: 201-500 | Preganziol, Italy | 201-500 | Exact match | 140 contacts → |
“PREVIMEDICAL - Servizi per la Sanità Integrativa - SpA è un Third Party Administrator indipendente specializzata nella prestazione dei servizi amministrativi, liquidativi…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Terserv Serviçosterserv.com.br HQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 139 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Selman & Companyselmanco.com HQ: Cleveland, OH, United StatesReported employees: 51-200 | Cleveland, OH, United States | 51-200 | Exact match | 137 contacts → |
“Whether growing a client relationship, helping a customer select the right insurance product or designing a customer-facing web application, we look to the talent of our diverse…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | GLC Business Servicesglcbs.com HQ: Rochester, NY, United StatesReported employees: 201-500 | Rochester, NY, United States | 201-500 | Exact match | 130 contacts → |
“GLC Business Services provides professional organizations with customer service focused on-site support.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 11,864 company matches
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Administrative service companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
11,784 records in the displayed employee bands.
80 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 11,864 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Administrative service companies by location
32 lists · largest firstEvery Administrative service companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Administrative service companies based in the United States1,751
- Administrative service companies based in France1,174
- Administrative service companies based in the United Kingdom1,117
- Administrative service companies based in the Netherlands817
- Administrative service companies based in Brazil578
- Administrative service companies based in Australia385
- Administrative service companies based in Spain334
- Administrative service companies based in Italy328
- Administrative service companies based in Canada279
- Administrative service companies based in South Africa231
- Administrative service companies based in Belgium225
- Administrative service companies based in India189
- Administrative service companies based in the Philippines176
- Administrative service companies based in Germany171
- Administrative service companies based in Switzerland165
- Administrative service companies based in New Zealand93
- Administrative service companies based in Mexico90
- Administrative service companies based in Sweden61
- Administrative service companies based in Denmark52
- Administrative service companies based in Portugal52
- Administrative service companies based in the United Arab Emirates45
- Administrative service companies based in Ireland29
- Administrative service companies based in Israel27
Cities
- Administrative service companies based in London, United Kingdom163
- Administrative service companies based in Sao Paulo, Brazil101
- Administrative service companies based in Paris, France81
- Administrative service companies based in New York, United States48
- Administrative service companies based in Sydney, Australia46
- Administrative service companies based in Atlanta, United States41
- Administrative service companies based in Houston, United States38
- Administrative service companies based in Melbourne, Australia35
- Administrative service companies based in Perth, Australia33
Questions about this company list
What does Exact match mean for administrative service companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many administrative service companies did RevenueBase find worldwide?
The saved snapshot records 11,864 matching company records, 73,576 tracked contacts and 14,982 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 administrative service companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/administrative-service-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗