Company lists · Data refreshed November 2026

Top 25 IT systems review services worldwide

RevenueBase identified 1,178 company matches for IT systems review services worldwide as of November 2026 and tracks 8,681 professional contacts across them, including 1,528 with verified work emails. The United States is the largest market and Paris the largest hub.

This list covers company matches for IT systems review services 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 IT systems review services 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
1,178Companies
8,681Contacts tracked
1,528Verified emails
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The 25 largest IT systems review services worldwide

Ranked by team size
Top 25 of 1,178 company matches for IT systems review services 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 matchHyd, IndiaHQ recorded Nov 6, 2026201-500691 contacts →

Exact match

“CAT Technology Inc, established in October is engaged in providing quality consulting services in Systems Analysis, System Design, Database Administration, Systems Engineering…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchKraków, PolandHQ recorded Nov 6, 2026501-1,000231 contacts →

Exact match

“itWORKS is an IT company which addresses its offer to IT and business departments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNoida, IndiaHQ recorded Nov 6, 2026201-500160 contacts →

Exact match

“Phistream provides technical third party inspection services and IT support services to organisations in various domains.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMölndal, SwedenHQ recorded Nov 6, 202651-200101 contacts →

Exact match

“Vi brinner för att hjälpa er att klara era utmaningar, och ger oss inte förrän vi hittat en lösning som fungerar för just er Problemfri IT i över 20 år I över 20 år har vi har…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchHyderabad, IndiaHQ recorded Nov 6, 2026501-1,000101 contacts →

Exact match

“Techno-Comp Computer Services Private Limited® was started in 1993 and is a recognized leader in IT systems integration and technology services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchPaderborn, GermanyHQ recorded Nov 6, 202651-20091 contacts →

Exact match

“neam IT-Services GmbH – founded in 1996 – is a Systems Integrator based in Paderborn, Germany and operating in various projects all over Europe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLat Phrao, ThailandHQ recorded Nov 6, 2026201-50087 contacts →

Exact match

“Lansing Business Systems is an IT consulting firm, founded in 2010, by a group of IT experts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBothell, WA, United StatesHQ recorded Nov 6, 202651-20080 contacts →

Exact match

“Vedhas enables enterprises to compete better in the market place using IT as a strategic tool.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCoimbatore, IndiaHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“About Astral Consulting Limited Astral Consulting Limited is a Director-led consulting and advisory company helping businesses strengthen governance, improve performance, manage…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchUnited StatesHQ recorded Nov 6, 202651-20078 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBangalore, IndiaHQ recorded Nov 6, 202611-5075 contacts →

Exact match

“Digital Age offers various services like Information Systems Consulting / Advising on improvement in IT Processes and better IT Governance, Data Integrity Verification, Post…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMumbai, IndiaHQ recorded Nov 6, 202611-5074 contacts →

Exact match

“Matrix3D, a CERT-In Empanelled organization, helps make your business secure and resilient through detailed IT assessments and audits, with clear gap analysis and strong…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAhmedabad, IndiaHQ recorded Nov 6, 2026201-50068 contacts →

Exact match

“Alterego Technology Ltd is a leading System Integrator which embodies the objective of helping clients with the best consultancy and allied services in the field of Information…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBilbao, SpainHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“Ecna Informática es una Ingeniería de Software, cuyo propósito es ayudar a tu compañía a diseñar e implantar Sistemas de Información, convirtiéndose en el partner tecnológico que…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWayne, NV, United StatesHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“Systems Solution, Inc.(SSI) has been recognized as a leader in providing comprehensive IT solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchFranceHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“IMP360, votre spécialiste du système d'information de santé.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBielsko-biała, PolandHQ recorded Nov 6, 202611-5045 contacts →

Exact match

“Infonet Projekt S.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchКиїв, UkraineHQ recorded Nov 6, 202651-20044 contacts →

Exact match

“INTRASYSTEMS is a team of talented experts engaged in the field of system integration and top-professional implementation of innovative IT projects of various degrees of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchTaguig City, PhilippinesHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“The primary purpose of CTI is to provide computer services and information technology services including, but not limited to general consulting, information systems planning…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchZrifin, IsraelHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“DOR Information Technology specialises in IT system integration, system analysis and design, project management and consulting, providing comprehensive solutions in the area of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“Existimos para que a operação dos nossos clientes nunca pare.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSanta Clara, CA, United StatesHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“Today's business climate demands your IT systems operate efficiently, are highly secure, and be online 24 hours a day.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchQuilmes, ArgentinaHQ recorded Nov 6, 202651-20040 contacts →

Exact match

“Somos una empresa dedicada a servicios de consultoría informática, sistemas y tecnología-Servicios de Mesa de ayuda y soporte técnico-Desarrollo y gestión de proyectos -Redes…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchIsnes, BelgiumHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“Consultance informatique, Audits informatiques,Missions d’expertise Inforius dispose de spécialistes et d’experts passionnés par les nouvelles technologies qui mettent leur…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCologne, GermanyHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Seit Gründung 2002 haben wir uns auf die Erbringung von hochwertigen Dienstleistungen im gehobenen Mittelstand, bei Industrie- und Konzernkunden, sowie im öffentlichen Dienst…”

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

Showing 25 of 1,178 IT systems review services worldwide

See the full list, filter by size, metro and specialty, and access 1,528 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT systems review services worldwide at a glance

As of Nov 6, 2026
17.6%Verified-email coverage
7.4Average contacts per company
1-10Median size (employees)
1.1%Largest-city concentration · Paris
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
823
11-50
264
51-200
49
201-500
15
501-1,000
7
1,001-5,000
3
5,001-10,000
1

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 IT systems review services are linked below.
What qualifies
Company records worldwide whose business descriptions match “IT systems review services” 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 1,528 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.

IT systems review services by location

9 lists · largest first

Every IT systems review services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “IT systems review services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT systems review services are there worldwide?

RevenueBase identified 1,178 company matches for IT systems review services 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?

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

Which country has the most IT systems review services?

The United States leads with 163 companies, followed by France (103) and the United Kingdom (58). Every IT systems review services list by country and city is linked on this page.

Which city has the most IT systems review services?

Paris leads with 13 company records, followed by Warsaw (11) and London (9).

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 1,528 professional contacts with verified work emails tracked across these 1,178 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.