Company lists · Data refreshed November 2026

Top 25 System administrators for hire worldwide

RevenueBase identified 11,415 company matches for system administrators for hire worldwide as of November 2026 and tracks 85,353 professional contacts across them, including 25,341 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for system administrators for hire 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 system administrators for hire 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
11,415Companies
85,353Contacts tracked
25,341Verified emails
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The 25 largest system administrators for hire worldwide

Ranked by team size
Top 25 of 11,415 company matches for system administrators for hire 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 matchHebron, KY, PalestineHQ recorded Nov 6, 20261,001-5,0002,671 contacts →

Exact match

“Technology is mission-critical to your business so it must work, continuously.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchPorto Alegre, BrazilHQ recorded Nov 6, 20261,001-5,0001,024 contacts →

Exact match

“Há 31 anos, a InterOp entrega serviços em tecnologia da informação, para empresas de todos os tamanhos e setores.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchHyderabad, IndiaHQ recorded Nov 6, 2026501-1,000837 contacts →

Exact match

“At People Prime Worldwide, we help organizations transform and scale through AIML Technology Services, AIML Solutions, IT Consulting, Staff Augmentation, and Managed Services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNasik, IndiaHQ recorded Nov 6, 2026501-1,000653 contacts →

Exact match

“For over 25 years, Aress Software has been the silent engine behind IT operations that never stop.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,000651 contacts →

Exact match

“Excis is a trusted global IT services company, delivering agile, multilingual support across 150+ countries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchDenmarkHQ recorded Nov 6, 2026n/a642 contacts →

Exact match

“Spar op til 80 % på den daglige drift af jeres IT miljø Lej en ekstern IT konsulent til optimering af IT i din virksomhed IT konsulent på lejebasis.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNoida, IndiaHQ recorded Nov 6, 2026501-1,000565 contacts →

Exact match

“For the past 14 years, Globtier has been dedicated to providing small, mid-size, and startup enterprises with advanced IT solutions designed to enhance their business performance…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchQuerétaro, MexicoHQ recorded Nov 6, 2026501-1,000457 contacts →

Exact match

“icorp was founded in 1986 to provide IT Services to large organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCamp Hill, PA, United StatesHQ recorded Nov 6, 2026501-1,000399 contacts →

Exact match

“Essintial Enterprise Solutions is a full-service IT operations partner helping multi-unit businesses scale, support, and simplify their technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHamburg, GermanyHQ recorded Nov 6, 2026501-1,000369 contacts →

Exact match

“We help companies set up their IT in a sustainable, secure, and future-proof way-from strategy and implementation to operation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchQuezon City, PhilippinesHQ recorded Nov 6, 2026201-500312 contacts →

Exact match

“ABOUT US Systemantech Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLa Ciotat, FranceHQ recorded Nov 6, 2026201-500308 contacts →

Exact match

“SEA TPI est une ESN de 450 personnes spécialisée dans les domaines des opérations informatiques.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBangalore, IndiaHQ recorded Nov 6, 2026201-500301 contacts →

Exact match

“Sureworks Infotech Private Limited (SIPL), a leading IT Solutions provider in India & Dubai was founded in 2009.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLleida, SpainHQ recorded Nov 6, 2026201-500270 contacts →

Exact match

“Somos una empresa de servicios y soluciones TI de valor, basadas en el conocimiento, la seguridad y la sostenibilidad.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSao Paulo, United StatesHQ recorded Nov 6, 2026n/a268 contacts →

Exact match

“Ela permite que você cresça a empresa para além de manutenção e suporte, incluindo Service Desk, infraestrutura, redes, cabeamento, projetos, consultoria e soluções corporativas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchThrissur, IndiaHQ recorded Nov 6, 2026501-1,000266 contacts →

Exact match

“Gvr technolabs pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchArundel, AustraliaHQ recorded Nov 6, 2026n/a252 contacts →

Exact match

“ONGC Systems provides businesses with comprehensive IT services, that automate and streamline operations, reduce risk and increase stability while lowering the cost of system…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMexicoHQ recorded Nov 6, 2026n/a252 contacts →

Exact match

“Corporativo Guadalajara”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPentwyn, United KingdomHQ recorded Nov 6, 2026201-500234 contacts →

Exact match

“Vista is the UK market leader in delivering IT technology deployment and support services in retail, hospitality, healthcare and entertainment sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchNew Jersey, NJ, United StatesHQ recorded Nov 6, 2026501-1,000226 contacts →

Exact match

“ExterNetworks, headquartered in Piscataway, New Jersey, and with further strategic locations across North America, Europe, the Middle East and Asia, ExterNetworks has rapidly…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchGalatsi, GreeceHQ recorded Nov 6, 2026n/a217 contacts →

Exact match

“Ιδρυθήκαμε το 1988 και εστιάζουμε κυρίως στην προσεγμένη, άμεση και ποιοτική εξυπηρέτηση των πελατών μας.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNorth Sioux City, SD, United StatesHQ recorded Nov 6, 2026201-500203 contacts →

Exact match

“Riverside Technologies, Inc.(RTI) is an IT service providers specializing in managed services, IT hardware, warehouse services, and technology deployment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBerlin, GermanyHQ recorded Nov 6, 2026201-500196 contacts →

Exact match

“Since Mahr EDV has been synonymous with reliable IT support, excellent service, and the highest customer satisfaction.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchFareham, United KingdomHQ recorded Nov 6, 202651-200195 contacts →

Exact match

“Vohkus is a rapidly growing, highly agile UK IT supplier specialising in end-to-end IT supply, enterprise infrastructure solutions, and comprehensive managed services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Nov 6, 2026n/a195 contacts →

Exact match

“EJC is a small IT service provider specialising in supporting and enabling small, growing businesses by providing tailored IT services.”

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

Showing 25 of 11,415 system administrators for hire worldwide

See the full list, filter by size, metro and specialty, and access 25,341 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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System administrators for hire worldwide at a glance

As of Nov 6, 2026
29.7%Verified-email coverage
7.5Average contacts per company
1-10Median size (employees)
1.8%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
7,676
11-50
2,980
51-200
460
201-500
101
501-1,000
32
1,001-5,000
16
5,001-10,000
2
10001+
4

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 system administrators for hire are linked below.
What qualifies
Company records worldwide whose business descriptions match “system administrators for hire” 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 25,341 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.

System administrators for hire by location

64 lists · largest first

Every System administrators for hire 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 “system administrators for hire”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many system administrators for hire are there worldwide?

RevenueBase identified 11,415 company matches for system administrators for hire 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?

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

Which country has the most system administrators for hire?

The United States leads with 3,044 companies, followed by the United Kingdom (915) and Germany (641). Every system administrators for hire list by country and city is linked on this page.

Which city has the most system administrators for hire?

London leads with 203 company records, followed by Sao Paulo (119) and New York (84).

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 25,341 professional contacts with verified work emails tracked across these 11,415 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.