Company lists · Data refreshed September 2026

Top 25 Transport consultancy firms based in the United Kingdom

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

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 573 companies tracked

RevenueBase identified 573 transport consultancy firms headquartered in the United Kingdom as of September 2026 and tracks 7,739 professional contacts across them, including 3,345 with verified work emails. London is the largest hub.

This list covers transport consultancy 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. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 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 21, 2026 86% judged on-target in blind review

573Companies

7,739Contacts tracked

3,345Verified emails

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The 25 largest transport consultancy firms based in the United Kingdom

Ranked by team size

Top 25 of 573 transport consultancy firms based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to transport consultancy firms: 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	Systra UK & Ireland	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	1,001-5,000	707 contacts →
	Indirect evidence “Helping the world move forward with confidence.” Source: RevenueBase Database · checked Sep 21, 2026
2	Octavius Infrastructure	Indirect evidence	Reigate, United KingdomHQ checked Sep 21, 2026	501-1,000	558 contacts →
	Indirect evidence “Bringing people together The Octavius Way, We collaborate with our customers, integrate our suppliers and develop our people to deliver assured, sustainable and efficient…” Source: RevenueBase Database · checked Sep 21, 2026
3	STEER	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	201-500	524 contacts →
	Indirect evidence “Complex challenges.” Source: RevenueBase Database · checked Sep 21, 2026
4	TRL	Partial evidence	Wokingham, United KingdomHQ checked Sep 21, 2026	201-500	357 contacts →
	Partial evidence “TRL is a team of expert scientists, engineers and specialists who work together with our clients and partners to Shape Transport TRL: • Publishes software that helps the world’s…” Source: RevenueBase Database · checked Sep 21, 2026
5	Aqua Consultants	Partial evidence	Leeds, United KingdomHQ checked Sep 21, 2026	51-200	156 contacts →
	Partial evidence “Aqua Consultants provide tailored environmental consultancy to broaden your thinking, lead transformation, and achieve successful outcomes.” Source: RevenueBase Database · checked Sep 21, 2026
6	Egis In The UK	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	1,001-5,000	156 contacts →
	Indirect evidence “Egis is a leading global consulting, construction engineering and operating firm.” Source: RevenueBase Database · checked Sep 21, 2026
7	ICF Consulting Services	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	141 contacts →
	Indirect evidence “ICF is an international consulting firm working in public policy, international development and ports and logistics.” Source: RevenueBase Database · checked Sep 21, 2026
8	SCP	Strong evidence	Manchester, United KingdomHQ checked Sep 21, 2026	51-200	120 contacts →
	Strong evidence “SCP is a transportation planning and infrastructure design consultancy with offices in Edinburgh, Bristol, Liverpool, Manchester, Leeds and London.” Source: RevenueBase Database · checked Sep 21, 2026
9	SLC Rail	Indirect evidence	Birmingham, United KingdomHQ checked Sep 21, 2026	11-50	115 contacts →
	Indirect evidence “At SLC Rail we help government bodies, developers and TOCs to form visionary rail strategies, develop successful rail schemes and manage project delivery.” Source: RevenueBase Database · checked Sep 21, 2026
10	NRP Norman Rourke Pryme	Strong evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	114 contacts →
	Strong evidence “Founded in 1947, Norman Rourke Pryme (‘NRP’) is a multi-disciplinary consultancy delivering services across the UK within the construction, transportation, highways, and…” Source: RevenueBase Database · checked Sep 21, 2026
11	Aecom Engineering Uk&i	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	10001+	110 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026
12	Ardent Consulting Engineers	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	96 contacts →
	Partial evidence “Founded in 2005, Ardent Consulting Engineers provide transport and infrastructure planning and engineering advice to the property and land development industry.” Source: RevenueBase Database · checked Sep 21, 2026
13	Glanville Consultants LTD	Partial evidence	Hemel Hempstead, United KingdomHQ checked Sep 21, 2026	51-200	95 contacts →
	Partial evidence “Glanville Consultants is a multi-disciplinary engineering and surveying consultancy that provides a wide range of services including Structural Engineering, Civil Engineering…” Source: RevenueBase Database · checked Sep 21, 2026
14	Doran Consulting	Indirect evidence	Belfast, United KingdomHQ checked Sep 21, 2026	51-200	93 contacts →
	Indirect evidence “Founded in 1953, Doran Consulting offers a wealth of expertise and experience in the creation of economic, innovative and sustainable engineering solutions.” Source: RevenueBase Database · checked Sep 21, 2026
15	Transport Investigations Limited	Partial evidence	Ramsgate, United KingdomHQ checked Sep 21, 2026	51-200	88 contacts →
	Partial evidence “ABOUT US: Transport Investigations has over eighteen years’ experience of innovation in supporting Train Operating Companies in developing smarter strategies for specialised areas…” Source: RevenueBase Database · checked Sep 21, 2026
16	DHA Planning Group	Partial evidence	Maidstone, United KingdomHQ checked Sep 21, 2026	51-200	86 contacts →
	Partial evidence “With 40 years of knowledge and sector experience, DHA are the largest independent planning and highways consultancy in the South East, providing comprehensive planning services…” Source: RevenueBase Database · checked Sep 21, 2026
17	Itransport	Strong evidence	Basingstoke, United KingdomHQ checked Sep 21, 2026	51-200	79 contacts →
	Strong evidence “iTransport is a successful, independent transport planning consultancy specialising in development planning work across the UK and the Isle of Man.” Source: RevenueBase Database · checked Sep 21, 2026
18	Aegis Rail	Partial evidence	Derby, United KingdomHQ checked Sep 21, 2026	51-200	79 contacts →
	Partial evidence “AEGIS is a member of the IKOS Group, a global consultancy business with its Headquarters in Paris, France.” Source: RevenueBase Database · checked Sep 21, 2026
19	Mayer Brown LTD	Strong evidence	Woking, United KingdomHQ checked Sep 21, 2026	51-200	67 contacts →
	Strong evidence “We are a leading independent consultancy and are experts in transport planning, civil engineering, highway infrastructure and environmental assessments.” Source: RevenueBase Database · checked Sep 21, 2026
20	Snc-Lavalin Atkins Transport Consulting & Advisory	Strong evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	67 contacts →
	Strong evidence “Transport Consulting & Advisory is an independent global multi-modal transport sector strategy consultancy, transforming our clients’ businesses through transport planning…” Source: RevenueBase Database · checked Sep 21, 2026
21	Blyth & Blyth Consulting Engineers LTD	Indirect evidence	Edinburgh, United KingdomHQ checked Sep 21, 2026	51-200	65 contacts →
	Indirect evidence “Founded in 1848 by Benjamin Hall Blyth.” Source: RevenueBase Database · checked Sep 21, 2026
22	Paul Basham Associates	Partial evidence	Fareham, United KingdomHQ checked Sep 21, 2026	51-200	61 contacts →
	Partial evidence “With three offices located across the country, we are ideally positioned to meet your Transport and Civil Engineering needs.” Source: RevenueBase Database · checked Sep 21, 2026
23	DLP Planning LTD	Partial evidence	Bedford, United KingdomHQ checked Sep 21, 2026	51-200	60 contacts →
	Partial evidence “Established in 1991, DLP Consulting Group is one of the UK’s leading independent planning-led consultancies, providing tailored multidisciplinary advice, focusing on resolving the…” Source: RevenueBase Database · checked Sep 21, 2026
24	ITP	Strong evidence	Nottingham, United KingdomHQ checked Sep 21, 2026	51-200	55 contacts →
	Strong evidence “ITP is a UK-based sustainable transport planning consultancy supporting clients to plan and implement innovative solutions to complex transport challenges.” Source: RevenueBase Database · checked Sep 21, 2026
25	Velocity	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	11-50	53 contacts →
	Partial evidence “Velocity Transport Planning was established by Jonathan Howard and Lloyd Bush, together they have over 40 years of transport planning and highways experience, in both the public…” Source: RevenueBase Database · checked Sep 21, 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: transport consultancy firms. 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 transport consultancy firms.
Partial evidence: Its own public description names part of transport consultancy firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name transport consultancy firms. 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 573 transport consultancy firms based in the United Kingdom

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Transport consultancy firms based in the United Kingdom at a glance

As of Sep 21, 2026

43.2%Verified-email coverage

13.5Average contacts per company

1-10Median size (employees)

21.8%Largest-city concentration · London

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

388

11-50

126

51-200

201-500

501-1,000

1,001-5,000

10001+

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 573 companies.

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 transport consultancy firms, 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 “transport consultancy firms”. 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 transport consultancy firms), 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 transport consultancy firms, 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, 3,345 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 21, 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.

Transport consultancy firms by metro

Transport consultancy firms in London125

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 transport consultancy firms, 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 transport consultancy firms are there based in the United Kingdom?

RevenueBase identified 573 transport consultancy firms 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?

Systra UK & Ireland, headquartered in London, tops this list with the largest team on record.

Which city has the most transport consultancy firms?

London leads with 125 headquartered companies, followed by Manchester (17) and Leeds (11).

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 3,345 verified decision-maker contacts tracked across these 573 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 21, 2026.

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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.