Company lists · Data refreshed November 2026

Top 25 IT systems consultants worldwide

Name: IT systems consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 24,769 companies tracked

RevenueBase identified 24,769 company matches for IT systems consultants worldwide as of November 2026 and tracks 284,058 professional contacts across them, including 76,516 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for IT systems consultants 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 consultants 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

24,769Companies

284,058Contacts tracked

76,516Verified emails

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The 25 largest IT systems consultants worldwide

Ranked by team size

Top 25 of 24,769 company matches for IT systems consultants 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	World Wide Technology	Exact match	Maryland Heights, MO, United StatesHQ recorded Nov 6, 2026	10001+	9,996 contacts →
	Exact match “We are thinkers and doers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Amaris Consulting Part Of Mantu	Exact match	Chêne-bourg, SwitzerlandHQ recorded Nov 6, 2026	5,001-10,000	5,223 contacts →
	Exact match “Amaris Consulting is an independent technology consulting firm providing guidance and solutions to businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Alten Italia	Exact match	Milan, ItalyHQ recorded Nov 6, 2026	1,001-5,000	3,042 contacts →
	Exact match “Il Gruppo ALTEN, leader europeo nella consulenza per le tecnologie avanzate in campo ingegneristico e ICT, è quotato alla Borsa di Parigi e vanta più di 57.700 collaboratori in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	SVA System Vertrieb Alexander Gmbh	Exact match	Wiesbaden, GermanyHQ recorded Nov 6, 2026	1,001-5,000	2,686 contacts →
	Exact match “SVA is one of the leading system integrators in Germany.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	GFI World	Exact match	Saint-ouen, FranceHQ recorded Nov 6, 2026	10001+	2,224 contacts →
	Exact match “Gfi became Inetum in 2020.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Infotel	Exact match	Neuilly-sur-seine, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,842 contacts →
	Exact match “Infotel accompagne les directions Informatiques et Métiers des grandes entreprises depuis 45 ans (Airbus, Air France, PSA, BNP Paribas, Banque de France ou encore BPCE, etc.).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Mc2i	Exact match	Paris, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,693 contacts →
	Exact match “mc2i is an independent consultancy in Information System.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Evosoft	Exact match	Nuremberg, GermanyHQ recorded Nov 6, 2026	1,001-5,000	1,504 contacts →
	Exact match “The evosoft Group is an international system house that has developed custom-made software solutions since 1995.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	SICE	Exact match	Alcobendas, SpainHQ recorded Nov 6, 2026	1,001-5,000	1,450 contacts →
	Exact match “Sociedad Ibérica de Construcciones Eléctricas (SICE) is a multinational company integrating systems, aimed at solving market needs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	LEVIO	Exact match	Québec, PE, CanadaHQ recorded Nov 6, 2026	1,001-5,000	1,371 contacts →
	Exact match “Levio is a leading North American technology‑focused consulting firm and one of the two largest system integrators fully owned by Canadian interests, specializing in digital…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	CBI	Exact match	Casablanca, MoroccoHQ recorded Nov 6, 2026	201-500	1,325 contacts →
	Exact match “Depuis sa création en 1970, CBI a toujours eu une démarche d’optimisation des systèmes de l’information.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Capitole	Exact match	Barcelona, SpainHQ recorded Nov 6, 2026	1,001-5,000	1,170 contacts →
	Exact match “Who are we?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	programmers.io	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,063 contacts →
	Exact match “IBM i is evolving.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Interop	Exact match	Porto Alegre, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,024 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
15	Hkbn JOS	Exact match	Kowloon Bay, Hong KongHQ recorded Nov 6, 2026	1,001-5,000	965 contacts →
	Exact match “With over 60 years of experience in Asia, HKBN JOS is a systems integrator, solutions provider and technology consultancy with deep industry knowledge and an exceptional ability…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Viveris	Exact match	Boulogne-billancourt, FranceHQ recorded Nov 6, 2026	1,001-5,000	870 contacts →
	Exact match “Viveris is a consulting and engineering company with two main activities - IT consulting.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Bell Integration	Exact match	Portsmouth, United KingdomHQ recorded Nov 6, 2026	501-1,000	858 contacts →
	Exact match “Founded in 1995, Bell’s market-leading technology consultation and managed services have enabled organisations to transform their IT capabilities and elevate their business…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	People Prime Worldwide	Exact match	Hyderabad, IndiaHQ recorded Nov 6, 2026	501-1,000	837 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
19	Senacor Technologies	Exact match	Eschborn, GermanyHQ recorded Nov 6, 2026	1,001-5,000	828 contacts →
	Exact match “Senacor is part of the 25 leading IT-Consulting companies and among the Top 5 of the medium-sized IT-Service providers in Germany and runs 10 offices in Austria, Switzerland…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	TNG Technology Consulting	Exact match	Unterföhring, GermanyHQ recorded Nov 6, 2026	501-1,000	826 contacts →
	Exact match “TNG Technology Consulting is a values-based consulting partnership focused on high-end information technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Netrix Global	Exact match	Bannockburn, United StatesHQ recorded Nov 6, 2026	501-1,000	790 contacts →
	Exact match “Netrix Global is an engineering-led IT consultant and managed service provider with over three decades of experience.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Sistemi Informativi, An IBM Company	Exact match	Rome, ItalyHQ recorded Nov 6, 2026	501-1,000	777 contacts →
	Exact match “La Sistemi Informativi è una società leader di progettazione e realizzazione di soluzioni IT complesse ed è parte integrante del Gruppo IBM Italia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	I-Teco	Exact match	Moscow, RussiaHQ recorded Nov 6, 2026	1,001-5,000	774 contacts →
	Exact match “I-Teco is a leading Russian systems integrator and supplier of information technologies for corporate customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Be-Terna	Exact match	Innsbruck, AustriaHQ recorded Nov 6, 2026	1,001-5,000	763 contacts →
	Exact match “BE-terna – Your trusted implementation partner for business applications BE-terna is a trusted implementation partner for business applications, serving medium to large companies…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	NRI Australia & NEW Zealand	Exact match	Sydney, AustraliaHQ recorded Nov 6, 2026	1,001-5,000	747 contacts →
	Exact match “As a trusted end-to-end digital partner, we design, build, and manage IT solutions that turn bold visions into reality and set new standards of excellence for our clients.” 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 “IT systems consultants”. 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 24,769 IT systems consultants worldwide

See the full list, filter by size, metro and specialty, and access 76,516 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT systems consultants worldwide at a glance

As of Nov 6, 2026

26.9%Verified-email coverage

11.5Average contacts per company

1-10Median size (employees)

1.2%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

14,845

11-50

7,075

51-200

1,958

201-500

439

501-1,000

133

1,001-5,000

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 IT systems consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “IT systems consultants” 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 76,516 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 consultants by location

144 lists · largest first

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

How many IT systems consultants are there worldwide?

RevenueBase identified 24,769 company matches for IT systems consultants 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?

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

Which country has the most IT systems consultants?

The United States leads with 4,821 companies, followed by India (1,446) and the United Kingdom (1,176). Every IT systems consultants list by country and city is linked on this page.

Which city has the most IT systems consultants?

London leads with 302 company records, followed by Sao Paulo (245) and Paris (239).

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 76,516 professional contacts with verified work emails tracked across these 24,769 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.