Company lists · Data refreshed November 2026

Top 25 Systems administrator staffing firms worldwide

Name: Systems administrator staffing firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 19,743 companies tracked

RevenueBase identified 19,743 company matches for systems administrator staffing firms worldwide as of November 2026 and tracks 330,823 professional contacts across them, including 47,367 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for systems administrator staffing 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 5, 2026. Country and city lists for systems administrator staffing 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 5, 2026 How this list was built

19,743Companies

330,823Contacts tracked

47,367Verified emails

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The 25 largest systems administrator staffing firms worldwide

Ranked by team size

Top 25 of 19,743 company matches for systems administrator staffing firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Robert Half	Exact match	Menlo Park, CA, United StatesHQ recorded Nov 5, 2026	10001+	28,157 contacts →
	Exact match “At Robert Half, we prioritize your security-if you believe you've encountered a scam or fraudulent recruiter, please report it immediately to All Robert Half recruiters…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Appleone Employment Services	Exact match	Glendale, AZ, United StatesHQ recorded Nov 5, 2026	1,001-5,000	5,438 contacts →
	Exact match “AppleOne Employment Services is a full-service employment company.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	Spherion	Exact match	Atlanta, GA, United StatesHQ recorded Nov 5, 2026	10001+	4,751 contacts →
	Exact match “We’re Spherion-a staffing and recruiting pioneer that’s been driving careers and helping businesses grow for over 75 years.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Beacon Hill	Exact match	Boston, OH, United StatesHQ recorded Nov 5, 2026	1,001-5,000	3,512 contacts →
	Exact match “Beacon Hill was founded to set a new standard in search, career placement and flexible staffing.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Synergie Italia	Exact match	Turin, ItalyHQ recorded Nov 5, 2026	501-1,000	1,844 contacts →
	Exact match “L’Italia è piena di talenti: il nostro lavoro è riconoscerli!” Synergie Italia S.p.A.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Magna Infotech	Exact match	Bangalore, IndiaHQ recorded Nov 5, 2026	10001+	1,781 contacts →
	Exact match “We are the largest IT staff augmentation provider in India, with employees spread across 500+ skill sets.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Nesco Resource	Exact match	Mayfield Heights, OH, United StatesHQ recorded Nov 5, 2026	501-1,000	1,723 contacts →
	Exact match “Companies need talent.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Infotree Global Solutions	Exact match	Plymouth, MI, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,594 contacts →
	Exact match “Infotree Global was founded in 2002 in a small office in Canton, MI, Infotree Global had a clear mission; To bring the world’s best talent together with the greatest companies…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Barona	Exact match	Helsinki, FinlandHQ recorded Nov 5, 2026	1,001-5,000	1,437 contacts →
	Exact match “Freedom and choices.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	SELF	Exact match	Houston, TX, United StatesHQ recorded Nov 5, 2026	n/a	1,434 contacts →
	Exact match “We are a Full Service Solutions Company specializing in placements of professionals in Information Technology, Finance/Accounting, Energy (front, mid and back office)…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Harvey Nash	Exact match	London, United KingdomHQ recorded Nov 5, 2026	5,001-10,000	1,398 contacts →
	Exact match “We’re Harvey Nash, and we build amazing technology and digital teams.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	ASK Consulting	Exact match	Alpharetta, GA, United StatesHQ recorded Nov 5, 2026	501-1,000	1,370 contacts →
	Exact match “ASK Consulting is an award-winning technology and professional services recruiting firm servicing Fortune 500 organizations nationally.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	Brook Street	Exact match	Uxbridge, United KingdomHQ recorded Nov 5, 2026	501-1,000	1,368 contacts →
	Exact match “For 75 years, the middle is where we've worked best.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	TRS Staffing Solutions	Exact match	Greenville, United StatesHQ recorded Nov 5, 2026	201-500	1,274 contacts →
	Exact match “TRS Staffing Solutions is a world leading engineering recruitment agency specialising in the recruitment and supply of professional, engineering, technical and field talent.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Quess IT Staffing	Exact match	Bangalore, IndiaHQ recorded Nov 5, 2026	10001+	1,205 contacts →
	Exact match “Quess IT Staffing is India’s largest IT staffing company with over 20 years of experience in placing IT professionals across 300+ companies, covering a wide range of levels and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	Motion Recruitment	Exact match	Boston, AZ, United StatesHQ recorded Nov 5, 2026	501-1,000	1,165 contacts →
	Exact match “Motion Recruitment, a Kelly® Company, delivers IT Talent Solutions for Contract, Direct Hire, Managed Solutions and Statement of Work to all of North America from our 21 delivery…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	IPA	Exact match	Melbourne, AustraliaHQ recorded Nov 5, 2026	201-500	1,144 contacts →
	Exact match “Founded in 1984, IPA by Synergie has grown from a small team in Melbourne to an international presence with a deep commitment to trust, understanding and quality recruitment…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	QPS Employment Group	Exact match	Brookfield, WI, United StatesHQ recorded Nov 5, 2026	201-500	1,116 contacts →
	Exact match “Founded in 1985, QPS Employment Group has grown from a two-person operation to one of the nation's leading staffing and recruiting firms, with more than 300 internal employees…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Covenant Consultants	Exact match	Chennai, IndiaHQ recorded Nov 5, 2026	501-1,000	1,071 contacts →
	Exact match “Covenant Consultants is a premier recruitment firm with over 22 years of excellence in talent acquisition, placing candidates across 71+ industries.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Career Strategies	Exact match	Round Rock, CA, United StatesHQ recorded Nov 5, 2026	n/a	1,019 contacts →
	Exact match “Career Strategies is a full service staffing firm specializing in Property Management, Healthcare and Professional Services recruitment.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Amadeus Fire	Exact match	Frankfurt, GermanyHQ recorded Nov 5, 2026	1,001-5,000	1,010 contacts →
	Exact match “Amadeus Fire - Verstehen.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Self Opportunity, INC	Exact match	Lewisville, TX, United StatesHQ recorded Nov 5, 2026	n/a	988 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Remx The Workforce Experts	Exact match	Atlanta, TN, United StatesHQ recorded Nov 5, 2026	1,001-5,000	985 contacts →
	Exact match “RemX is the professional staffing division of EmployBridge, a $3 billion staffing organization with more than 600 offices in the U.S.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	MAX International	Exact match	Salt Lake City, UT, United StatesHQ recorded Nov 5, 2026	501-1,000	973 contacts →
	Exact match “Max International is a trusted US staffing and recruitment firm committed to connecting top-tier talent with leading organizations across the United States.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Advantage Technical	Exact match	Cincinnati, OH, United StatesHQ recorded Nov 5, 2026	10001+	960 contacts →
	Exact match “Advantage Technical aligns people and companies to create opportunity.” Recorded in the RevenueBase company graph · Nov 5, 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 “systems administrator staffing firms”. 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 19,743 systems administrator staffing firms worldwide

See the full list, filter by size, metro and specialty, and access 47,367 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Systems administrator staffing firms worldwide at a glance

As of Nov 5, 2026

14.3%Verified-email coverage

16.8Average contacts per company

1-10Median size (employees)

2.6%Largest-city concentration · London

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

9,918

11-50

6,248

51-200

2,446

201-500

644

501-1,000

213

1,001-5,000

128

5,001-10,000

10001+

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 systems administrator staffing firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “systems administrator staffing 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 47,367 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 5, 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.

Systems administrator staffing firms by location

116 lists · largest first

Every Systems administrator staffing 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 “systems administrator staffing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many systems administrator staffing firms are there worldwide?

RevenueBase identified 19,743 company matches for systems administrator staffing 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?

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

Which country has the most systems administrator staffing firms?

The United States leads with 6,635 companies, followed by India (3,147) and the United Kingdom (1,537). Every systems administrator staffing firms list by country and city is linked on this page.

Which city has the most systems administrator staffing firms?

London leads with 509 company records, followed by Bangalore (380) and Hyderabad (329).

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 47,367 professional contacts with verified work emails tracked across these 19,743 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 5, 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.