Company lists · Data refreshed September 2026

Top 25 Enterprise architecture firms worldwide

RevenueBase identified 33,043 enterprise architecture firms worldwide as of September 2026 and tracks 366,146 professional contacts across them, including 96,059 with verified work emails. The United States is the largest market and London the largest hub.

This list covers enterprise architecture firms worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026. Country and city lists for enterprise architecture firms follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
33,043Companies
366,146Contacts tracked
96,059Verified emails
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The 25 largest enterprise architecture firms worldwide

Ranked by team size
Top 25 of 33,043 enterprise architecture firms worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise architecture firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceHanover, MD, United StatesHQ checked Sep 28, 202610001+24,693 contacts →

Indirect evidence

“We’re TEKsystems and TEKsystems Global Services.”

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidencePune, IndiaHQ checked Sep 28, 202610001+13,983 contacts →

Indirect evidence

“Navigating Change.”

Source: RevenueBase Database · checked Sep 28, 2026
3Indirect evidence100-101 Terrasse Boieldieu, FranceHQ checked Sep 28, 20261,001-5,0006,190 contacts →

Indirect evidence

“Wavestone is a leading consulting firm operating at the intersection of business and technology.”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceChêne-bourg, SwitzerlandHQ checked Sep 28, 20265,001-10,0004,824 contacts →

Indirect evidence

“Amaris Consulting is an independent technology consulting firm providing guidance and solutions to businesses.”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceChicago, IL, United StatesHQ checked Sep 28, 20261,001-5,0002,989 contacts →

Indirect evidence

“AHEAD accelerates strategy into execution by engineering integrated solutions across infrastructure, applications, data, and security.”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceDecatur, GA, United StatesHQ checked Sep 28, 20265,001-10,0002,933 contacts →

Indirect evidence

“Vee Technologies is a global consulting and professional services organization delivering specialized, technology-enabled solutions.”

Source: RevenueBase Database · checked Sep 28, 2026
7Partial evidenceJacksonville, FL, United StatesHQ checked Sep 28, 20261,001-5,0002,213 contacts →

Partial evidence

“Haskell delivers over $3 billion annually in Architecture, Engineering, Construction (AEC) and Consulting solutions to assure certainty of outcome for complex capital projects…”

Source: RevenueBase Database · checked Sep 28, 2026
8Partial evidenceMilpitas, CA, United StatesHQ checked Sep 28, 20261,001-5,0001,878 contacts →

Partial evidence

“GSPANN is a US-based consulting services provider focused on implementations in Enterprise Content Management (ECM), Business Intelligence & Mobile Solutioning initiatives.”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceMont-saint-hilaire, QC, CanadaHQ checked Sep 28, 20261,001-5,0001,863 contacts →

Indirect evidence

“We help companies with their challenges and transformation by relying on our sharp business acumen, extensive practical experience and vast technological curiosity.”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceNeuilly-sur-seine, FranceHQ checked Sep 28, 20261,001-5,0001,735 contacts →

Indirect evidence

“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.).”

Source: RevenueBase Database · checked Sep 28, 2026
11Partial evidenceToledo, OH, United StatesHQ checked Sep 28, 20261,001-5,0001,603 contacts →

Partial evidence

“As an internationally ranked architecture and engineering firm, SSOE is known for delivering unparalleled client value that advances the AEC industry.”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceSt Louis, MO, United StatesHQ checked Sep 28, 20261,001-5,0001,555 contacts →

Indirect evidence

“BW Design Group is the only independent, fully integrated AEC firm powered by a Manufacturer's Mindset™.”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceStuttgart, GermanyHQ checked Sep 28, 20261,001-5,0001,468 contacts →

Indirect evidence

“P3 group is an independent, owner-managed technology and management consulting group founded in 1996.”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceBarueri, BrazilHQ checked Sep 28, 20261,001-5,0001,452 contacts →

Indirect evidence

“Atuamos no core de empresas líderes em seus segmentos, onde tecnologia, estratégia e operação se encontram.”

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceKent, OH, United StatesHQ checked Sep 28, 20261,001-5,0001,395 contacts →

Indirect evidence

“Davey Resource Group, Inc.(DRG) provides innovative consulting and field services that support utility infrastructure and environmental stewardship.”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceIrvine, CA, United StatesHQ checked Sep 28, 20261,001-5,0001,345 contacts →

Indirect evidence

“Trace3 delivers business transformation.”

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 20261,001-5,0001,191 contacts →

Indirect evidence

“Performance by Design.”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceLisbon, PortugalHQ checked Sep 28, 2026201-5001,168 contacts →

Indirect evidence

“GMS was established in early 2003 to provide strategic, business and IT consulting and changed its name to Maksen in December 2010.”

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidenceFrisco, TX, United StatesHQ checked Sep 28, 2026501-1,0001,149 contacts →

Indirect evidence

“W3Global is a leading provider of end-to-end consulting services, empowering businesses to achieve their strategic goals and optimize their operations.”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceRichmond, VA, United StatesHQ checked Sep 28, 20261,001-5,0001,005 contacts →

Indirect evidence

“CapTech is a technology consulting firm focused on defining and delivering what’s next for organizations.”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceUtrecht, NetherlandsHQ checked Sep 28, 20261,001-5,000996 contacts →

Indirect evidence

“Meer dan cijfers: wij zijn jouw partner in groei Bij Baker Tilly kijken we verder.”

Source: RevenueBase Database · checked Sep 28, 2026
22Indirect evidenceSyosset, NY, United StatesHQ checked Sep 28, 20261,001-5,000874 contacts →

Indirect evidence

“The LiRo Group and Hill International’s Northeast Region have merged to become LiRo-Hill, upholding the firms’ strong, long-standing reputations as leaders in the field, and…”

Source: RevenueBase Database · checked Sep 28, 2026
23Partial evidenceSao Paulo, BrazilHQ checked Sep 28, 2026501-1,000828 contacts →

Partial evidence

“Numen is an international consultancy specialized in enterprise technologies.”

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidenceEschborn, GermanyHQ checked Sep 28, 20261,001-5,000787 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceUnterföhring, GermanyHQ checked Sep 28, 2026501-1,000773 contacts →

Indirect evidence

“TNG Technology Consulting is a values-based consulting partnership focused on high-end information technology.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 33,043 enterprise architecture firms worldwide

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Enterprise architecture firms worldwide at a glance

As of Sep 28, 2026
26.2%Verified-email coverage
11.1Average contacts per company
1-10Median size (employees)
1.8%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
21,741
11-50
8,206
51-200
2,261
201-500
479
501-1,000
149
1,001-5,000
78
5,001-10,000
21
10001+
26

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among enterprise architecture firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for enterprise architecture firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “enterprise architecture firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names enterprise architecture firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among enterprise architecture firms, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 96,059 across the full list. 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 September 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Enterprise architecture firms by location

175 lists · largest first

Every Enterprise architecture 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names enterprise architecture firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many enterprise architecture firms are there worldwide?

RevenueBase identified 33,043 enterprise architecture firms worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Teksystems, headquartered in Hanover, tops this list with the largest team on record.

Which country has the most enterprise architecture firms?

The United States leads with 7,659 companies, followed by India (1,876) and the United Kingdom (1,646). Every enterprise architecture firms list by country and city is linked on this page.

Which city has the most enterprise architecture firms?

London leads with 602 headquartered companies, followed by Paris (412) and Sao Paulo (403).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 96,059 verified decision-maker contacts tracked across these 33,043 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 Smart Search, 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.