Company lists · Data verified August 2026

Top 25 Data engineering consulting firms based in the United Kingdom

Name: Data engineering consulting firms 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 572 companies tracked

There are 572 data engineering consulting firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 6,864 professional contacts across them, including 2,721 with verified work emails and 693 with mobile numbers. London is the largest hub.

This list covers data engineering consulting firms 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.

572Companies

6,864Contacts tracked

2,721Verified emails

693Mobile numbers

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The 25 largest data engineering consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 572 data engineering consulting firms 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	AB Initio Software	Weybridge	501-1,000	813	539
2	Quick Release	London	501-1,000	383	144
3	Innova-Tsn	London	201-500	271	40
4	Keepler Data Tech	London	201-500	224	24
5	ELAIT	London	51-200	186	81
6	Cloudsmiths	London	51-200	150	8
7	Grape UP	London	51-200	121	82
8	Dufrain	Edinburgh	51-200	118	95
9	Simpson Associates	York	51-200	116	70
10	Calligo	Leicester	201-500	111	68
11	Amber Labs	London	51-200	111	52
12	Envitia	Horsham	51-200	97	51
13	Groupbwt	London	51-200	92	7
14	DOT Collective	London	51-200	90	49
15	Advancing Analytics	Exeter	51-200	80	48
16	Koios Consulting LTD	Cardiff	51-200	67	46
17	Bigspark	Nottingham	51-200	67	43
18	Audacia	London	51-200	66	37
19	Seriös Group	Newcastle Upon Tyne	51-200	64	45
20	Digiterre	London	51-200	57	32
21	Profusion	London	51-200	54	23
22	Marionete	London	51-200	53	26
23	Elevondata	London	51-200	52	38
24	Onepoint Consulting	London	51-200	52	32
25	Aptitude Global	London	51-200	50	36

Showing 25 of 572 data engineering consulting firms based in the United Kingdom

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Data engineering consulting firms based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 261 HQs

693Contacts with mobile numbers

6Emails re-verified in last 30 days

Companies by employee count

1-10

394

11-50

123

51-200

201-500

501-1,000

Data engineering consulting firms by metro

Metro	Companies
Data engineering consulting firms in London	261
Data engineering consulting firms in Manchester	18
Data engineering consulting firms in Leeds	10
Data engineering consulting firms in Bristol	10
Data engineering consulting firms in Glasgow	8
Data engineering consulting firms in Milton Keynes	7
Data engineering consulting firms in Edinburgh	7

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 “data engineering consulting firms”, 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; 6 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 data engineering consulting firms are there based in the United Kingdom?

There are 572 data engineering consulting firms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

AB Initio Software, headquartered in Weybridge, tops this list with the largest team on record.

Which city has the most data engineering consulting firms?

London leads with 261 headquartered companies, followed by Manchester (18) and Leeds (10).

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 2,721 verified decision-maker contacts tracked across these 572 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.