Company lists · Data refreshed November 2026

Top 25 Administrative support service firms worldwide

RevenueBase identified 12,998 company matches for administrative support service firms worldwide as of November 2026 and tracks 57,041 professional contacts across them, including 7,168 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for administrative support service firms 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 support service firms 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
12,998Companies
57,041Contacts tracked
7,168Verified emails
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The 25 largest administrative support service firms worldwide

Ranked by team size
Top 25 of 12,998 company matches for administrative support service firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBangalore, IndiaHQ recorded Nov 6, 2026201-500607 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
2Exact matchDover, DE, United StatesHQ recorded Nov 6, 2026201-500476 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
3Exact matchMohali, IndiaHQ recorded Nov 6, 2026201-500410 contacts →

Exact match

“Escalon’s one stop shop approach gives you a single touch point for everything you need to keep your company safe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMumbai, IndiaHQ recorded Nov 6, 2026501-1,000311 contacts →

Exact match

“Viaante was conceived with the sole intent of providing complete end to end solutions for administrative services to Healthcare, Insurance, Pharma and Law firms; in addition to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026201-500229 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
6Exact matchCastelnau Le Lez, FranceHQ recorded Nov 6, 2026201-500194 contacts →

Exact match

“AFE est un cabinet d'expertise comptable accompagnant au quotidien les entreprises et leurs dirigeants sur l'ensemble de leurs besoins.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchWatermael-boitsfort, BelgiumHQ recorded Nov 6, 202651-200181 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
8Exact matchBogota, ColombiaHQ recorded Nov 6, 20261,001-5,000175 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
9Exact matchMakati City, PhilippinesHQ recorded Nov 6, 20261,001-5,000168 contacts →

Exact match

“ASIA PEOPLEWORKS INC is an Interim and Project Staffing services provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202651-200158 contacts →

Exact match

“Your Remote Assistant is the go-to partner of many investors and startups for administrative manpower because of our high caliber assistants who are smart, experienced, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 2026201-500158 contacts →

Exact match

“Rakoma & Associates Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLattes, FranceHQ recorded Nov 6, 2026n/a151 contacts →

Exact match

“Il existe aujourd’hui un réel besoin concernant la gestion administrative des TPE françaises.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLyon, FranceHQ recorded Nov 6, 2026201-500143 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
14Exact matchRochester, NY, United StatesHQ recorded Nov 6, 2026201-500130 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
15Exact matchCranford, IN, United StatesHQ recorded Nov 6, 202651-200127 contacts →

Exact match

“Since 1946, ALL-STATE LEGAL has been dedicated to helping law firms, accounting firms and professional services firms manage and grow their businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchUnited StatesHQ recorded Nov 6, 2026n/a127 contacts →

Exact match

“N-side Office is a service company specializing in administrative support and consulting to start-ups, small and medium-sized businesses, solo entrepreneurs and nonprofit…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMount Gambier, AustraliaHQ recorded Nov 6, 202651-200117 contacts →

Exact match

“With a global presence and a passion for helping executives succeed,#TeamZembr is the talented team of virtual professionals with the proven toolbox you need to grow your business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMedellín, ColombiaHQ recorded Nov 6, 202651-200117 contacts →

Exact match

“We dedicate ourselves to the management and administration of resources, data analysis, billing, customer care and sales for several organizations from the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNetherlandsHQ recorded Nov 6, 2026n/a114 contacts →

Exact match

“Werkzaamheden Op de volgende gebieden kunnen wij u adviseren, ondersteunen en/of werk uit handen nemen: financiële administratie, inclusief debiteuren/crediteurenbeheer…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMakati City, PhilippinesHQ recorded Nov 6, 2026201-500112 contacts →

Exact match

“Do what you do best and outsource the rest!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchKungälv, SwedenHQ recorded Nov 6, 202651-200111 contacts →

Exact match

“Engagemang - Kompetens - Tillsammans.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchPorvorim, IndiaHQ recorded Nov 6, 2026501-1,000110 contacts →

Exact match

“Frontline Managed Services is a US based company which serves 600+ law firms in the U.S, Canada and Europe providing firms with best in class administrative, IT and financial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchRiyadh, Saudi ArabiaHQ recorded Nov 6, 2026n/a106 contacts →

Exact match

“Administrative services to support the Haed office”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026n/a100 contacts →

Exact match

“A company that provides business services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchThe Hague, NetherlandsHQ recorded Nov 6, 2026n/a95 contacts →

Exact match

“Verzorgen administraties Fiscale aangiften Rapportages Samenstellen jaarrekeningen Ondernemersadvies Consultancy Detachering Interim Dienstverlening VVE Beheer en administratie…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 12,998 administrative support service firms worldwide

See the full list, filter by size, metro and specialty, and access 7,168 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Administrative support service firms worldwide at a glance

As of Nov 6, 2026
12.6%Verified-email coverage
4.4Average contacts per company
1-10Median size (employees)
1.4%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
10,862
11-50
1,564
51-200
355
201-500
96
501-1,000
17
1,001-5,000
15
5,001-10,000
1
10001+
3

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 support service firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “administrative support service firms” 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 7,168 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 support service firms by location

37 lists · largest first

Every Administrative support service firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 support service firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many administrative support service firms are there worldwide?

RevenueBase identified 12,998 company matches for administrative support service firms 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?

Brickwork India tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most administrative support service firms?

The United States leads with 1,759 companies, followed by France (1,496) and the United Kingdom (1,138). Every administrative support service firms list by country and city is linked on this page.

Which city has the most administrative support service firms?

London leads with 188 company records, followed by Sao Paulo (155) and Paris (107).

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 7,168 professional contacts with verified work emails tracked across these 12,998 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.

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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.