Company lists · Data refreshed September 2026

Top 25 Engineering consultancy companies based in the United Kingdom

Name: Engineering consultancy companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 24, 2026 6,753 companies tracked

RevenueBase identified 6,753 engineering consultancy companies headquartered in the United Kingdom as of September 2026 and tracks 214,519 professional contacts across them, including 77,000 with verified work emails and 16,204 with mobile numbers. London is the largest hub.

This list covers engineering consultancy 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 24, 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 24, 2026 86% judged on-target in blind review

6,753Companies

214,519Contacts tracked

77,000Verified emails

16,204Mobile numbers

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest engineering consultancy companies based in the United Kingdom

Ranked by team size

Top 25 of 6,753 engineering consultancy companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 24, 2026. RevenueBase Smart Search rates how each company's information relates to engineering consultancy 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	WOOD	Partial evidence	Aberdeen, United KingdomHQ checked Sep 24, 2026	10001+	26,949 contacts →
	Partial evidence “Wood is a global leader in consulting and engineering, delivering critical solutions across energy and materials markets.” Source: RevenueBase Database · checked Sep 24, 2026
2	Mott Macdonald	Strong evidence	London, United KingdomHQ checked Sep 24, 2026	10001+	19,072 contacts →
	Strong evidence “We are an engineering, management and development consultancy and one of the largest wholly employee-owned firms of our kind.” Source: RevenueBase Database · checked Sep 24, 2026
3	Atkins	Indirect evidence	Epsom, United KingdomHQ checked Sep 24, 2026	10001+	9,297 contacts →
	Indirect evidence “Atkins is now AtkinsRéalis.” Source: RevenueBase Database · checked Sep 24, 2026
4	MACE	Indirect evidence	London, United KingdomHQ checked Sep 24, 2026	5,001-10,000	8,458 contacts →
	Indirect evidence “Mace Consult launched as a new and independent business on 5 March 2026, through a carve-out from Mace Group.” Source: RevenueBase Database · checked Sep 24, 2026
5	RPS	Partial evidence	Abingdon, United KingdomHQ checked Sep 24, 2026	5,001-10,000	4,684 contacts →
	Partial evidence “Founded in 1970, RPS is part of Tetra Tech, a leading global provider of consulting and engineering services.” Source: RevenueBase Database · checked Sep 24, 2026
6	Keller	Indirect evidence	London, United KingdomHQ checked Sep 24, 2026	5,001-10,000	3,960 contacts →
	Indirect evidence “Every day, people around the world live, work and play on ground prepared by Keller, the world's largest geotechnical specialist contractor.” Source: RevenueBase Database · checked Sep 24, 2026
7	Costain Group PLC	Indirect evidence	London, United KingdomHQ checked Sep 24, 2026	1,001-5,000	3,785 contacts →
	Indirect evidence “Costain helps to improve people’s lives by creating connected, sustainable infrastructure that enables people and the planet thrive.” Source: RevenueBase Database · checked Sep 24, 2026
8	Buro Happold	Partial evidence	Bath, United KingdomHQ checked Sep 24, 2026	1,001-5,000	3,336 contacts →
	Partial evidence “We are an international, integrated consultancy of engineers, designers and advisers.” Source: RevenueBase Database · checked Sep 24, 2026
9	Murphy	Partial evidence	London, United KingdomHQ checked Sep 24, 2026	1,001-5,000	3,095 contacts →
	Partial evidence “Murphy is a leading international, multi-disciplined engineering and construction company founded in 1951 that improves life by delivering world-class infrastructure.” Source: RevenueBase Database · checked Sep 24, 2026
10	SEP Engineers	Partial evidence	Skelmersdale, United KingdomHQ checked Sep 24, 2026	n/a	1,837 contacts →
	Partial evidence “Established in 1986, SEP has been the industry’s leader for site engineering, surveying and management solutions for over thirty years, providing vital services, resources and…” Source: RevenueBase Database · checked Sep 24, 2026
11	Ridge And Partners LLP	Partial evidence	Woodstock, United KingdomHQ checked Sep 24, 2026	1,001-5,000	1,427 contacts →
	Partial evidence “Ridge is a built environment consultancy, helping clients turn complex briefs into buildings and infrastructure that perform in the real world.” Source: RevenueBase Database · checked Sep 24, 2026
12	Cundall	Strong evidence	Newcastle Upon Tyne, United KingdomHQ checked Sep 24, 2026	1,001-5,000	1,269 contacts →
	Strong evidence “We are a global, multi-disciplinary consultancy delivering sustainable engineering and design solutions across the built environment.” Source: RevenueBase Database · checked Sep 24, 2026
13	RSK Group	Partial evidence	Helsby, United KingdomHQ checked Sep 24, 2026	10001+	1,255 contacts →
	Partial evidence “RSK Group is a global leader in the delivery of environmental and engineering solutions.” Source: RevenueBase Database · checked Sep 24, 2026
14	Bakerhicks	Partial evidence	Warwick, United KingdomHQ checked Sep 24, 2026	1,001-5,000	1,213 contacts →
	Partial evidence “BakerHicks are a design, engineering and project delivery company specialising in complex infrastructure, process and built environments across the full project life cycle, from…” Source: RevenueBase Database · checked Sep 24, 2026
15	Faithful Gould	Indirect evidence	London, United KingdomHQ checked Sep 24, 2026	1,001-5,000	1,194 contacts →
	Indirect evidence “Faithful+Gould is now AtkinsRéalis.” Source: RevenueBase Database · checked Sep 24, 2026
16	Hoare LEA	Strong evidence	London, United KingdomHQ checked Sep 24, 2026	501-1,000	1,103 contacts →
	Strong evidence “We are an award-winning engineering consultancy with a creative team of engineers, designers, and technical specialists.” Source: RevenueBase Database · checked Sep 24, 2026
17	Progressive	Strong evidence	London, United KingdomHQ checked Sep 24, 2026	201-500	1,089 contacts →
	Strong evidence “Fusing engineering innovation and ambition Progressive is an Engineering specialist and part of SThree, the global STEM workforce consultancy.” Source: RevenueBase Database · checked Sep 24, 2026
18	Keltbray	Partial evidence	London, United KingdomHQ checked Sep 24, 2026	1,001-5,000	1,073 contacts →
	Partial evidence “Keltbray is a UK leading specialist engineering contractor, which offers engineering, construction, demolition, decommissioning, remediation, environmental services and reinforced…” Source: RevenueBase Database · checked Sep 24, 2026
19	Penspen	Indirect evidence	London, United KingdomHQ checked Sep 24, 2026	1,001-5,000	1,007 contacts →
	Indirect evidence “Penspen designs, maintains, and optimises energy infrastructure to improve access to secure and sustainable energy for communities worldwide.” Source: RevenueBase Database · checked Sep 24, 2026
20	Black & White Engineering	Strong evidence	Newcastle Upon Tyne, United KingdomHQ checked Sep 24, 2026	1,001-5,000	888 contacts →
	Strong evidence “Black & White Engineering is a global, award-winning critical buildings and infrastructure engineering consultancy.” Source: RevenueBase Database · checked Sep 24, 2026
21	Amcogiffen	Indirect evidence	Barnsley, United KingdomHQ checked Sep 24, 2026	1,001-5,000	845 contacts →
	Indirect evidence “Who are we?” Source: RevenueBase Database · checked Sep 24, 2026
22	Pick Everard	Partial evidence	Leicester, United KingdomHQ checked Sep 24, 2026	501-1,000	795 contacts →
	Partial evidence “Pick Everard is a leading multi-professional consultancy working within the property, infrastructure and construction industry.” Source: RevenueBase Database · checked Sep 24, 2026
23	RED Engineering Design	Strong evidence	London, United KingdomHQ checked Sep 24, 2026	501-1,000	785 contacts →
	Strong evidence “RED Engineering Design, a company of Tractebel, is a global engineering consultancy specialising in the design of complex, mission-critical Data Centre and digital infrastructure…” Source: RevenueBase Database · checked Sep 24, 2026
24	Systra UK & Ireland	Indirect evidence	London, United KingdomHQ checked Sep 24, 2026	1,001-5,000	707 contacts →
	Indirect evidence “Helping the world move forward with confidence.” Source: RevenueBase Database · checked Sep 24, 2026
25	Pell Frischmann	Partial evidence	London, United KingdomHQ checked Sep 24, 2026	501-1,000	690 contacts →
	Partial evidence “Pell Frischmann is a specialist advisory and technical consultancy operating across the built and natural environment, helping to shape a better future for the communities in…” Source: RevenueBase Database · checked Sep 24, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: engineering consultancy companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names engineering consultancy companies.
Partial evidence: Its own public description names part of engineering consultancy companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name engineering consultancy companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 6,753 engineering consultancy companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 77,000 reachable decision-makers.

Free signup · no credit card

View the full list →

Engineering consultancy companies based in the United Kingdom at a glance

As of Sep 24, 2026

35.9%Verified-email coverage

7.6%Mobile-number coverage

31.8Average contacts per company

1-10Median size (employees)

17.5%Largest-city concentration · London

Sep 24, 2026Page data refreshed

Companies by employee count

1-10

4,090

11-50

1,833

51-200

561

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 26.0d

58,5890–30

16,54631–60

1,12561–90

5090–180

690180+

Company record updated

Median 88.0d

00–30

16,46831–60

110,68061–90

76,38990–180

10,982180+

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 engineering consultancy 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 “engineering consultancy 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 engineering consultancy 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 engineering consultancy 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, 77,000 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 24, 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.

Engineering consultancy companies by metro

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 engineering consultancy 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 engineering consultancy companies are there based in the United Kingdom?

RevenueBase identified 6,753 engineering consultancy 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?

WOOD, headquartered in Aberdeen, tops this list with the largest team on record.

Which city has the most engineering consultancy companies?

London leads with 1184 headquartered companies, followed by Manchester (146) and Bristol (123).

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 77,000 verified decision-maker contacts tracked across these 6,753 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 24, 2026.

Ready to reach these companies? Verified emails and direct dials for all 6,753 engineering consultancy companies based in the United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

Engineering consultancy companies by geography

Browse the directory

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.