Company lists · Data verified August 2026

Top 25 Enterprise architecture consultants based in the United Kingdom

Name: Enterprise architecture consultants based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 2,218 companies tracked

There are 2,218 enterprise architecture consultants headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 16,652 professional contacts across them, including 4,057 with verified work emails and 877 with mobile numbers. London is the largest hub.

This list covers enterprise architecture consultants headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

2,218Companies

16,652Contacts tracked

4,057Verified emails

877Mobile numbers

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The 25 largest enterprise architecture consultants based in the United Kingdom

Ranked by team size

Top 25 of 2,218 enterprise architecture consultants based in the United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Gspann Technologies, INC	London	1,001-5,000	1,874	754
2	Leader Investment Group - LIG	London	501-1,000	452	42
3	Zenzero	Coventry	501-1,000	403	281
4	Seargin	London	501-1,000	275	188
5	Elixirr	London	501-1,000	271	193
6	Waterstons	Durham	201-500	223	157
7	HFS Research	East Of	51-200	160	31
8	Glue Reply	London	51-200	118	46
9	Redrock Consulting	Bristol	51-200	114	49
10	SA Group	Cardiff	51-200	91	39
11	Baseel Partners	London	1,001-5,000	78	26
12	Change Management Group	London	51-200	74	53
13	6point6 Part Of Accenture	London	201-500	73	29
14	Intelex Systems Limited	Solihull	51-200	66	1
15	Excelledia	Birmingham	51-200	63	25
16	Ziipline	London	51-200	59	41
17	Pink Elephant Emea	Reading	51-200	57	40
18	Definia	London	51-200	50	33
19	TH NK	London	n/a	42	2
20	Decision Inc. UK	London	201-500	35	28
21	The S&a Transform Group	London	201-500	27	15
22	JP Reis	London	51-200	27	8
23	Manal Softech PVT LTD	London	51-200	19	2
24	Pexlify, A Merkle Company	London	51-200	17	6
25	Enterprise Solution Providers	London	51-200	17	3

Showing 25 of 2,218 enterprise architecture consultants based in the United Kingdom

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Enterprise architecture consultants based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 729 HQs

877Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

1,656

11-50

325

51-200

201-500

501-1,000

1,001-5,000

10001+

Enterprise architecture consultants by metro

Metro	Companies
Enterprise architecture consultants in London	729
Enterprise architecture consultants in Manchester	50
Enterprise architecture consultants in Bristol	36
Enterprise architecture consultants in Edinburgh	28
Enterprise architecture consultants in Birmingham	23
Enterprise architecture consultants in Reading	21
Enterprise architecture consultants in Leeds	18

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “enterprise architecture consultants”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many enterprise architecture consultants are there based in the United Kingdom?

There are 2,218 enterprise architecture consultants headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Gspann Technologies, INC, headquartered in London, tops this list with the largest team on record.

Which city has the most enterprise architecture consultants?

London leads with 729 headquartered companies, followed by Manchester (50) and Bristol (36).

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 4,057 verified decision-maker contacts tracked across these 2,218 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.