Company lists · Data refreshed November 2026

Top 25 Professional software consulting services worldwide

Name: Professional software consulting services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 154,303 companies tracked

RevenueBase identified 154,303 company matches for professional software consulting services worldwide as of November 2026 and tracks 3,768,037 professional contacts across them, including 963,814 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for professional software consulting 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 professional software consulting 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

154,303Companies

3,768,037Contacts tracked

963,814Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest professional software consulting services worldwide

Ranked by team size

Top 25 of 154,303 company matches for professional software consulting 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Tata Consultancy Services	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	10001+	661,392 contacts →
	Exact match “Tata Consultancy Services (TCS) is the technology partner of choice for industry-leading organizations worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Tech Mahindra	Exact match	Pune, IndiaHQ recorded Nov 6, 2026	10001+	145,360 contacts →
	Exact match “Tech Mahindra offers technology consulting and digital solutions to global enterprises across industries, enabling transformative scale at unparalleled speed.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	CGI	Exact match	Dallas, TX, ItalyHQ recorded Nov 6, 2026	10001+	91,939 contacts →
	Exact match “Insights you can act on.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	EXL	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	10001+	46,962 contacts →
	Exact match “Choosing a digital partner is about more than capabilities, it’s about collaboration and character.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	NTT Data	Exact match	Tokyo, JapanHQ recorded Nov 6, 2026	10001+	42,145 contacts →
	Exact match “NTT DATA – a part of NTT Group – IT and business services headquartered in Tokyo.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Sopra Steria	Exact match	Paris, FranceHQ recorded Nov 6, 2026	10001+	39,122 contacts →
	Exact match “Sopra Steria, a major Tech player in Europe with employees in nearly 30 countries, is recognised for its consulting, digital services and solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Teksystems	Exact match	Hanover, MD, United StatesHQ recorded Nov 6, 2026	10001+	27,308 contacts →
	Exact match “We’re TEKsystems and TEKsystems Global Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Bosch Global Software Technologies	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	10001+	24,888 contacts →
	Exact match “With our unique ability to offer end-to-end solutions that connect the three pillars of IoT - Sensors, Software, and Services, we enable businesses to move from the traditional to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	NTT Data, INC	Exact match	Tokyo, JapanHQ recorded Nov 6, 2026	10001+	21,602 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Insight Global	Exact match	Atlanta, FL, United StatesHQ recorded Nov 6, 2026	n/a	17,957 contacts →
	Exact match “Insight Global is an international talent and consulting company that delivers business outcomes in an ever-changing world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Zensar Technologies	Exact match	Pune, IndiaHQ recorded Nov 6, 2026	10001+	15,411 contacts →
	Exact match “Zensar stands out as a premier technology consulting and services company, embracing an ‘experience-led everything’ philosophy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Birlasoft	Exact match	Pune, NC, IndiaHQ recorded Nov 6, 2026	10001+	14,500 contacts →
	Exact match “Navigating Change.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Softtek	Exact match	Monterrey, MexicoHQ recorded Nov 6, 2026	10001+	14,096 contacts →
	Exact match “At Softtek, we drive the strategic development of our clients through software engineering.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	CDW	Exact match	Vernon Hills, IL, United StatesHQ recorded Nov 6, 2026	10001+	13,669 contacts →
	Exact match “At CDW, we know how to make technology work so people can do great things.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Apex Systems	Exact match	Glen Allen, United StatesHQ recorded Nov 6, 2026	1,001-5,000	12,788 contacts →
	Exact match “Everforth Apex Systems, part of the Everforth ™ Network, is a leading global technology services company specializing in customizable industry-specific solutions that turns…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Luxoft	Exact match	Zug, MI, SwitzerlandHQ recorded Nov 6, 2026	10001+	11,771 contacts →
	Exact match “Luxoft, a DXC Technology Company (NYSE: DXC), is a digital strategy and software engineering firm providing bespoke technology solutions that drive business change for customers…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	NTT Data Business Solutions	Exact match	Bielefeld, GermanyHQ recorded Nov 6, 2026	10001+	11,594 contacts →
	Exact match “We understand the business of our clients and know what it takes to transform it into the future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Slalom	Exact match	Seattle, BC, United StatesHQ recorded Nov 6, 2026	10001+	10,313 contacts →
	Exact match “Slalom is a fiercely human business and technology consulting company that leads with outcomes to bring more value, in all ways, always.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Endava	Exact match	London, United KingdomHQ recorded Nov 6, 2026	10001+	10,037 contacts →
	Exact match “For over two decades, we have been harnessing technology to drive meaningful change.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	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
21	BMC Software	Exact match	Houston, United StatesHQ recorded Nov 6, 2026	5,001-10,000	9,542 contacts →
	Exact match “BMC empowers 86% of the Forbes Global 50 to accelerate business value faster than humanly possible.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Protiviti	Exact match	Menlo Park, United StatesHQ recorded Nov 6, 2026	5,001-10,000	9,086 contacts →
	Exact match “Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Cybage Software	Exact match	Pune, IndiaHQ recorded Nov 6, 2026	5,001-10,000	9,067 contacts →
	Exact match “Cybage is an information technology company specializing in outsourced product engineering and IT consulting services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Bearingpoint	Exact match	Amsterdam, NetherlandsHQ recorded Nov 6, 2026	5,001-10,000	8,777 contacts →
	Exact match “BearingPoint is an independent management and technology consultancy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Ci&t	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	5,001-10,000	8,648 contacts →
	Exact match “We are your global partner in tech-integrated business solutions, turning AI ambition into measurable business impact.” 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 “professional software consulting services”. 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 154,303 professional software consulting services worldwide

See the full list, filter by size, metro and specialty, and access 963,814 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Professional software consulting services worldwide at a glance

As of Nov 6, 2026

25.6%Verified-email coverage

24.4Average contacts per company

1-10Median size (employees)

1.5%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

80,543

11-50

50,555

51-200

16,367

201-500

3,842

501-1,000

1,122

1,001-5,000

746

5,001-10,000

143

10001+

182

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 professional software consulting services are linked below.
What qualifies: Company records worldwide whose business descriptions match “professional software consulting 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 963,814 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.

Professional software consulting services by location

679 lists · largest first

Every Professional software consulting services 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 “professional software consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many professional software consulting services are there worldwide?

RevenueBase identified 154,303 company matches for professional software consulting 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?

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

Which country has the most professional software consulting services?

The United States leads with 27,353 companies, followed by India (20,738) and the United Kingdom (6,528). Every professional software consulting services list by country and city is linked on this page.

Which city has the most professional software consulting services?

London leads with 2390 company records, followed by Hyderabad (2018) and Bangalore (2002).

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 963,814 professional contacts with verified work emails tracked across these 154,303 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.

Ready to reach these companies? Verified emails and direct dials for all 154,303 professional software consulting services worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.