Company lists · Data refreshed September 2026

Top 25 Infrastructure design software companies based in the United Kingdom

RevenueBase identified 241 infrastructure design software companies headquartered in the United Kingdom as of September 2026 and tracks 26,010 professional contacts across them, including 8,157 with verified work emails. London is the largest hub.

This list covers infrastructure design software 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 28, 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 28, 2026 86% judged on-target in blind review
241Companies
26,010Contacts tracked
8,157Verified emails
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The 25 largest infrastructure design software companies based in the United Kingdom

Ranked by team size
Top 25 of 241 infrastructure design software companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to infrastructure design software 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceEpsom, United KingdomHQ checked Sep 28, 202610001+9,297 contacts →

Indirect evidence

“Atkins is now AtkinsRéalis.”

Source: RevenueBase Database · checked Sep 28, 2026
2Partial evidenceLondon, United KingdomHQ checked Sep 28, 202610001+6,667 contacts →

Partial evidence

“Who we are: Amey is a global, integrated infrastructure consultancy and operations partner.”

Source: RevenueBase Database · checked Sep 28, 2026
3Partial evidenceLondon, United KingdomHQ checked Sep 28, 20261,001-5,0003,095 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 28, 2026
4Indirect evidenceLondon, United KingdomHQ checked Sep 28, 20261,001-5,0001,194 contacts →

Indirect evidence

“Faithful+Gould is now AtkinsRéalis.”

Source: RevenueBase Database · checked Sep 28, 2026
5Strong evidenceLondon, United KingdomHQ checked Sep 28, 2026501-1,000785 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 28, 2026
6Strong evidenceGerrards Cross, United KingdomHQ checked Sep 28, 2026501-1,000504 contacts →

Strong evidence

“Causeway is the only global software provider that powers the design, build, operation and maintenance of the built environment.”

Source: RevenueBase Database · checked Sep 28, 2026
7Partial evidenceManchester, United KingdomHQ checked Sep 28, 2026201-500228 contacts →

Partial evidence

“Sudlows is a multi-award winning Critical Infrastructures, Enterprise Services and Facilities Management specialist which provides a full range of technical services for…”

Source: RevenueBase Database · checked Sep 28, 2026
8Partial evidenceLondon, United KingdomHQ checked Sep 28, 2026201-500129 contacts →

Partial evidence

“Eleco enables companies across a broad range of industries to drive efficient operations through the use of market-leading, integrated software such as Powerproject, ShireSystem…”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceBraintree, United KingdomHQ checked Sep 28, 202651-200123 contacts →

Indirect evidence

“About Swann Engineering Group Founded in 1974, Swann Engineering Group specializes in delivering turnkey solutions for complex engineering challenges.”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceFenchurch Street, United KingdomHQ checked Sep 28, 2026201-500121 contacts →

Indirect evidence

“Arcadis Gen creates next-generation digital products and solutions.”

Source: RevenueBase Database · checked Sep 28, 2026
11Partial evidenceUnited KingdomHQ checked Sep 28, 202651-200113 contacts →

Partial evidence

“Project Consultant & Development Partner: Civil, Structural, Mechanical & Electrical Engineering Designs; Highways, Transportation & Environmental; Cost & Commercial & Development…”

Source: RevenueBase Database · checked Sep 28, 2026
12Strong evidenceBroadstone, United KingdomHQ checked Sep 28, 2026201-500105 contacts →

Strong evidence

“Established in 1974, CADS is a world leading provider of design and detailing software for the civil and structural engineering industry.”

Source: RevenueBase Database · checked Sep 28, 2026
13Partial evidenceBirkenhead, United KingdomHQ checked Sep 28, 202651-20090 contacts →

Partial evidence

“Crowder Consulting provides innovative engineering consultancy services and software solutions to the water industry, specialising in water supply, water distribution and sewer…”

Source: RevenueBase Database · checked Sep 28, 2026
14Partial evidenceElland, United KingdomHQ checked Sep 28, 20261,001-5,00077 contacts →

Partial evidence

“At Marshalls Civils & Drainage, we deliver engineered precast solutions for infrastructure that must perform today and over the long term.”

Source: RevenueBase Database · checked Sep 28, 2026
15Partial evidenceAshby-de-la-zouch, United KingdomHQ checked Sep 28, 202651-20074 contacts →

Partial evidence

“Premtech is a dynamic company whose primary focus is to provide engineering, consultancy and design management services to all companies involved in the development and ownership…”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202611-5062 contacts →

Indirect evidence

“Chosen to deliver, trusted to care - for 30 years we’ve worked with clients across a diverse range of sectors to deliver safe and sustainable engineering solutions that prioritise…”

Source: RevenueBase Database · checked Sep 28, 2026
17Strong evidenceCastleford, United KingdomHQ checked Sep 28, 202611-5055 contacts →

Strong evidence

“We design and build critical telecoms and utility infrastructure networks.”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202651-20047 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
19Strong evidenceSurbiton, United KingdomHQ checked Sep 28, 202651-20043 contacts →

Strong evidence

“At Whitfield Consulting Services we believe infrastructure requires more than just a one-off design.”

Source: RevenueBase Database · checked Sep 28, 2026
20Partial evidenceHerefordshire, United KingdomHQ checked Sep 28, 202651-20038 contacts →

Partial evidence

“Plancast are a specialist design, planning, build, maintenance and support company supplying full turnkey solutions from feasibility thorough to design, build, operations and…”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceEdwalton Nottingham, United KingdomHQ checked Sep 28, 202611-5037 contacts →

Indirect evidence

“Acquired by M Group Services.”

Source: RevenueBase Database · checked Sep 28, 2026
22Strong evidenceColnbrook, United KingdomHQ checked Sep 28, 202651-20036 contacts →

Strong evidence

“We design, build, install, and maintain quality infrastructure project solutions.”

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidenceDroitwich, United KingdomHQ checked Sep 28, 202651-20034 contacts →

Indirect evidence

“BDS is a well-established company with a long and successful history in the telecoms and rail sectors.”

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidenceSalford, United KingdomHQ checked Sep 28, 202651-20033 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
25Strong evidenceLeeds, United KingdomHQ checked Sep 28, 202651-20032 contacts →

Strong evidence

“SCD Group Limited is a dynamic and innovative market leader who embraces design and develops exciting infrastructure technologies.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 241 infrastructure design software companies based in the United Kingdom

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Infrastructure design software companies based in the United Kingdom at a glance

As of Sep 28, 2026
31.4%Verified-email coverage
107.9Average contacts per company
1-10Median size (employees)
20.7%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
122
11-50
75
51-200
26
201-500
8
501-1,000
2
1,001-5,000
4
10001+
3

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 241 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 infrastructure design software 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 “infrastructure design software 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 infrastructure design software 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 infrastructure design software 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, 8,157 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 28, 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.

Infrastructure design software 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 infrastructure design software 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 infrastructure design software companies are there based in the United Kingdom?

RevenueBase identified 241 infrastructure design software 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?

Atkins, headquartered in Epsom, tops this list with the largest team on record.

Which city has the most infrastructure design software companies?

London leads with 50 headquartered companies, followed by Manchester (11) and Bristol (8).

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 8,157 verified decision-maker contacts tracked across these 241 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 28, 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.