Company lists · Data verified August 2026

Top 25 Business process consulting firms based in the United Kingdom

Name: Business process 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 3,518 companies tracked

There are 3,518 business process consulting firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 45,979 professional contacts across them, including 10,718 with verified work emails and 5,301 with mobile numbers. London is the largest hub.

This list covers business process 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.

3,518Companies

45,979Contacts tracked

10,718Verified emails

5,301Mobile numbers

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The 25 largest business process consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 3,518 business process 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	Firstsource	Warrington	10001+	17,273	2,483
2	Datamatics Business Solutions	Linford Wood	1,001-5,000	3,001	430
3	Accace	London	501-1,000	479	338
4	Leader Investment Group - LIG	London	501-1,000	452	42
5	KPS AG	Wimbledon	501-1,000	320	151
6	H&z Management Consulting	London	501-1,000	287	153
7	Seargin	London	501-1,000	275	188
8	Elixirr	London	501-1,000	271	193
9	Exquisite Solution Limited	London	501-1,000	104	4
10	Growth HUB	London	51-200	84	8
11	Embridge Consulting	Northfleet	51-200	77	56
12	PEN	London	51-200	75	9
13	Change Management Group	London	51-200	74	53
14	NEW Link Consulting	London	51-200	68	32
15	CITTA	Manchester	201-500	64	9
16	Excelledia	Birmingham	51-200	63	25
17	Ziipline	London	51-200	59	41
18	Pink Elephant Emea	Reading	51-200	57	40
19	Third Stage Consulting Group	London	51-200	41	19
20	Axxello	Cambridge	51-200	41	5
21	The S&a Transform Group	London	201-500	27	15
22	Bridgetech	Aylesbury	51-200	27	8
23	Inextricable Group Tech	London	51-200	23	14
24	Lantiqx	London	51-200	19	6
25	WGA Advisors, INC	Kensington	1,001-5,000	18	15

Showing 25 of 3,518 business process consulting firms based in the United Kingdom

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Business process consulting firms based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 1163 HQs

5,301Contacts with mobile numbers

50Emails re-verified in last 30 days

Companies by employee count

1-10

2,769

11-50

466

51-200

110

201-500

501-1,000

1,001-5,000

10001+

Business process consulting firms by metro

Metro	Companies
Business process consulting firms in London	1163
Business process consulting firms in Manchester	81
Business process consulting firms in Birmingham	44
Business process consulting firms in Edinburgh	44
Business process consulting firms in Bristol	41
Business process consulting firms in Glasgow	38
Business process consulting firms in Leeds	32

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 “business process 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; 50 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 business process consulting firms are there based in the United Kingdom?

There are 3,518 business process consulting firms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Firstsource, headquartered in Warrington, tops this list with the largest team on record.

Which city has the most business process consulting firms?

London leads with 1163 headquartered companies, followed by Manchester (81) and Birmingham (44).

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 10,718 verified decision-maker contacts tracked across these 3,518 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.