Company lists · Data verified August 2026

Top 25 Engineering consulting firms based in the United Kingdom

Name: 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 5,418 companies tracked

There are 5,418 engineering consulting firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 269,311 professional contacts across them, including 93,585 with verified work emails and 29,159 with mobile numbers. London is the largest hub.

This list covers 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.

5,418Companies

269,311Contacts tracked

93,585Verified emails

29,159Mobile numbers

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The 25 largest engineering consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 5,418 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	AECOM	Peterborough	10001+	64,359	21,416
2	Arcadis	Croydon	10001+	33,933	16,114
3	WOOD	Aberdeen	10001+	27,349	8,032
4	Mott Macdonald	Norwich	10001+	19,290	8,743
5	Murphy	London	1,001-5,000	3,110	1,048
6	Exponent	London	1,001-5,000	1,561	980
7	Ridge And Partners LLP	Leicester	1,001-5,000	1,416	898
8	RSK Group	Bristol	10001+	1,245	29
9	Faithful Gould	London	1,001-5,000	1,205	355
10	Hoare LEA	London	501-1,000	1,116	641
11	Keltbray	Preston Brook	1,001-5,000	1,082	269
12	DGS Technical Services INC	Derby	1,001-5,000	1,056	60
13	Amcogiffen	Pontyclun	1,001-5,000	848	409
14	Pick Everard	Sheffield	501-1,000	799	497
15	Systra UK & Ireland	Bristol	1,001-5,000	709	334
16	Pell Frischmann	London	501-1,000	687	349
17	Ricardo PLC	London	1,001-5,000	680	290
18	Pd&ms Group	Aberdeen	501-1,000	664	260
19	KBR Granherne	Leatherhead	501-1,000	656	101
20	Bgen LTD	Warrington	1,001-5,000	653	252
21	Tony GEE And Partners	Glasgow	501-1,000	604	392
22	Dalcour Maclaren	Chesterton	501-1,000	583	405
23	Waterman Group	London	1,001-5,000	572	322
24	NDY	London	501-1,000	571	293
25	Aureos	London	1,001-5,000	569	282

Showing 25 of 5,418 engineering consulting firms based in the United Kingdom

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Engineering consulting firms based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 945 HQs

29,159Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

3,116

11-50

1,495

51-200

485

201-500

501-1,000

1,001-5,000

10001+

Engineering consulting firms by metro

Metro	Companies
Engineering consulting firms in London	945
Engineering consulting firms in Manchester	135
Engineering consulting firms in Birmingham	108
Engineering consulting firms in Bristol	100
Engineering consulting firms in Leeds	78
Engineering consulting firms in Glasgow	77
Engineering consulting firms in Aberdeen	60

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 “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; 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 engineering consulting firms are there based in the United Kingdom?

There are 5,418 engineering consulting firms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

AECOM, headquartered in Peterborough, tops this list with the largest team on record.

Which city has the most engineering consulting firms?

London leads with 945 headquartered companies, followed by Manchester (135) and Birmingham (108).

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 93,585 verified decision-maker contacts tracked across these 5,418 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.