Company lists · Data refreshed September 2026

Top 25 Enterprise architecture consulting companies based in the United Kingdom

RevenueBase identified 2,302 enterprise architecture consulting companies headquartered in the United Kingdom as of September 2026 and tracks 16,847 professional contacts across them, including 6,295 with verified work emails. London is the largest hub.

This list covers enterprise architecture consulting companies headquartered in the United Kingdom, 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 21, 2026.

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 21, 2026 86% judged on-target in blind review
2,302Companies
16,847Contacts tracked
6,295Verified emails
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The 25 largest enterprise architecture consulting companies based in the United Kingdom

Ranked by team size
Top 25 of 2,302 enterprise architecture consulting companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise architecture consulting companies: 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 evidenceLondon, United KingdomHQ checked Sep 21, 2026501-1,000401 contacts →

Indirect evidence

“We believe successful businesses are underpinned by quality IT infrastructure.”

Source: RevenueBase Database · checked Sep 21, 2026
2Partial evidenceLondon, United KingdomHQ checked Sep 21, 2026201-500247 contacts →

Partial evidence

“We’re a dynamic consulting firm, focused on delivering change.”

Source: RevenueBase Database · checked Sep 21, 2026
3Indirect evidenceLondon, United KingdomHQ checked Sep 21, 2026201-500245 contacts →

Indirect evidence

“Percipere is a niche global consultancy, partnering companies in their evolution towards greater operational efficiency and profitability.”

Source: RevenueBase Database · checked Sep 21, 2026
4Partial evidenceGuildford, United KingdomHQ checked Sep 21, 2026201-500224 contacts →

Partial evidence

“Actica Consulting is a business and technology consultancy specialising in the delivery of complex transformation.”

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceDurham, United KingdomHQ checked Sep 21, 2026201-500215 contacts →

Indirect evidence

“We are an IT business with a difference.”

Source: RevenueBase Database · checked Sep 21, 2026
6Indirect evidenceTheale, United KingdomHQ checked Sep 21, 202651-200191 contacts →

Indirect evidence

“Clarify helps global Technology companies achieve sustained and significant commercial success.”

Source: RevenueBase Database · checked Sep 21, 2026
7Indirect evidenceLondon, United KingdomHQ checked Sep 21, 2026201-500178 contacts →

Indirect evidence

“The future has never moved this fast.”

Source: RevenueBase Database · checked Sep 21, 2026
8Indirect evidenceLondon, United KingdomHQ checked Sep 21, 20265,001-10,000167 contacts →

Indirect evidence

“BIP is the international consultancy for the 21st century with over 6,500 consultants globally daring to make a difference.”

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidenceAldgate, United KingdomHQ checked Sep 21, 202651-200163 contacts →

Indirect evidence

“Connecting You Across the UK and Worldwide Our team of accredited engineers and consultants cover a broad range of technologies, enabling us to deliver innovative solutions.”

Source: RevenueBase Database · checked Sep 21, 2026
10Indirect evidenceLondon, United KingdomHQ checked Sep 21, 202651-200160 contacts →

Indirect evidence

“InterEx Group is becoming the strategic partner of choice for organizations undergoing digital, business, and technology transformation.”

Source: RevenueBase Database · checked Sep 21, 2026
11Indirect evidenceLiverpool Street, United KingdomHQ checked Sep 21, 2026201-500158 contacts →

Indirect evidence

“Contino joined the Cognizant family in 2019.”

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceLondon (uk), United KingdomHQ checked Sep 21, 202651-200142 contacts →

Indirect evidence

“At Sysdoc we exist to help our clients to transform, adapt and operate in order for them to achieve their ambitions, and to provide our own people with opportunities that allow…”

Source: RevenueBase Database · checked Sep 21, 2026
13Indirect evidenceLondon, United KingdomHQ checked Sep 21, 20261,001-5,000139 contacts →

Indirect evidence

“We believe that change is an opportunity to thrive.”

Source: RevenueBase Database · checked Sep 21, 2026
14Indirect evidenceManchester, United KingdomHQ checked Sep 21, 202651-200121 contacts →

Indirect evidence

“Mason Advisory Limited (Mason Advisory) is a digital and technology advisory firm providing strategic, technical and commercial advice to organisations across the private and…”

Source: RevenueBase Database · checked Sep 21, 2026
15Partial evidenceLondon, United KingdomHQ checked Sep 21, 2026201-500121 contacts →

Partial evidence

“At Infosight, we architect the future of enterprises by engineering your digital core and activating the intelligence within.”

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidenceLondon, United KingdomHQ checked Sep 21, 202651-200118 contacts →

Indirect evidence

“WHO WE ARE Glue Reply is a business consultancy that strives to help its clients achieve their future potential by developing solutions that often for the first time align IT…”

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceLondon, United KingdomHQ checked Sep 21, 202651-200117 contacts →

Indirect evidence

“We are practitioners with centuries of combined expertise in enhancing organizations with innovative, human-centric solutions that create substantial and sustainable value by…”

Source: RevenueBase Database · checked Sep 21, 2026
18Indirect evidenceLondon, United KingdomHQ checked Sep 21, 202651-200115 contacts →

Indirect evidence

“Oaklin is an independent management consultancy.”

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceBristol, United KingdomHQ checked Sep 21, 202651-200115 contacts →

Indirect evidence

“We are RedRock, a trusted delivery partner for digital, data and technology transformation.”

Source: RevenueBase Database · checked Sep 21, 2026
20Strong evidenceEdinburgh, United KingdomHQ checked Sep 21, 202651-200110 contacts →

Strong evidence

“We are an IT Consultancy and Managed Services company in Edinburgh with offices in London, Founded by Charles Scott, and Andrew Watson in We have successful Enterprise Consulting…”

Source: RevenueBase Database · checked Sep 21, 2026
21Indirect evidenceLeeds, United KingdomHQ checked Sep 21, 202651-200105 contacts →

Indirect evidence

“An award-winning consultancy delivering stand-out products and services through technology.”

Source: RevenueBase Database · checked Sep 21, 2026
22Indirect evidenceLondon, United KingdomHQ checked Sep 21, 202651-200101 contacts →

Indirect evidence

“Isle’s vision is to be the leading catalyst in water industry transformation through exceptional business insight, technology, and innovative solutions.”

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceHessle, United KingdomHQ checked Sep 21, 202611-5098 contacts →

Indirect evidence

“Agencia has been transforming organisations for over 20 years.”

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceBasingstoke, United KingdomHQ checked Sep 21, 202651-20096 contacts →

Indirect evidence

“At Platform Smart, we aim to be the trusted partner for senior IT and technology leaders navigating their technology transformation journey.”

Source: RevenueBase Database · checked Sep 21, 2026
25Indirect evidenceLondon, United KingdomHQ checked Sep 21, 202651-20093 contacts →

Indirect evidence

“TET was founded in 1985 and still remains privately-owned.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 2,302 enterprise architecture consulting companies based in the United Kingdom

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Enterprise architecture consulting companies based in the United Kingdom at a glance

As of Sep 21, 2026
37.4%Verified-email coverage
7.3Average contacts per company
1-10Median size (employees)
39.0%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
1,695
11-50
402
51-200
143
201-500
24
501-1,000
5
1,001-5,000
8
5,001-10,000
5
10001+
4

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 2,302 companies.

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 consulting companies, 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.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “enterprise architecture consulting companies”. 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 consulting companies), 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 consulting companies, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
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, 6,295 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 21, 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.

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 consulting companies, 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 consulting companies are there based in the United Kingdom?

RevenueBase identified 2,302 enterprise architecture consulting companies headquartered in the United Kingdom 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?

Zenzero, headquartered in London, tops this list with the largest team on record.

Which city has the most enterprise architecture consulting companies?

London leads with 897 headquartered companies, followed by Manchester (52) and Leeds (32).

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 6,295 verified decision-maker contacts tracked across these 2,302 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 21, 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.