Company lists · Data refreshed November 2026

Top 25 Diaphragm wall contractors based in the United Kingdom

RevenueBase identified 87 company matches for diaphragm wall contractors associated with the United Kingdom as of November 2026 and tracks 1,808 professional contacts across them, including 495 with verified work emails. London is the largest hub.

This list covers company matches for diaphragm wall contractors associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
87Companies
1,808Contacts tracked
495Verified emails
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The 25 largest diaphragm wall contractors based in the United Kingdom

Ranked by team size
Top 25 of 87 company matches for diaphragm wall contractors based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHarrow, United KingdomHQ recorded Nov 6, 2026501-1,000233 contacts →

Exact match

“For over 30 years, Toureen Group has been solving complex construction problems for a diverse range of clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000232 contacts →

Exact match

“Specialist Groundwork, Civil Engineering, RC Frames, Architectural Concrete, Rail & Aviation subcontractor based in West London.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchDartford, United KingdomHQ recorded Nov 6, 20261,001-5,000216 contacts →

Exact match

“With two main specialist areas - structures and geotechnical, the Expanded Group provides a total capability in the early construction phases of major projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchWelwyn Garden City, United KingdomHQ recorded Nov 6, 20261,001-5,000214 contacts →

Exact match

“GCL has developed into one of the UK’s leading Groundworks and Reinforced Concrete Frame specialists safely delivering projects on time and to a high-quality standard.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20098 contacts →

Exact match

“Established in 1988 VSL Systems (UK) Ltd is a specialist contractor operating in the UK and the Republic of Ireland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchKirkby, United KingdomHQ recorded Nov 6, 2026201-50068 contacts →

Exact match

“Quinn Developments NW Ltd is a Groundworks and Civil Engineering company which is also able to provide Specialist Solutions to Deep Drainage problems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNewport, United KingdomHQ recorded Nov 6, 202611-5055 contacts →

Exact match

“Established in 2004, we are a leading Construction & Civil Engineering Sub-Contractor specialising in the construction of Reinforced Concrete Buildings and Civil Engineering…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchChorley, United KingdomHQ recorded Nov 6, 202611-5053 contacts →

Exact match

“Acero Construction Ltd specialise in the construction of pile cages, providing trained and competent steel fixers on a labour only basis.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchGreenford, United KingdomHQ recorded Nov 6, 2026201-50046 contacts →

Exact match

“Established in 2012, McRail RMC Constructions has grown steadily, building a strong and loyal client base through both repeat and new business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMarch, United KingdomHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“MJS Construction (March) Ltd is a construction company that was originally established as a reinforced concrete frames specialist, before expanding into groundwork and complete…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLidlington, United KingdomHQ recorded Nov 6, 202651-20037 contacts →

Exact match

“As a leading formwork, rebar and concrete contractor covering the UK and Ireland, we take pride in delivering a comprehensive suite of services that redefine construction…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-50032 contacts →

Exact match

“Carty Forde Construction Ltd is an experienced construction services company specialising in groundworks, basements and reinforced concrete structures.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBarton-le-clay, United KingdomHQ recorded Nov 6, 202651-20032 contacts →

Exact match

“OUR APPROACH We offer groundwork, civil engineering and formwork services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHartlepool, United KingdomHQ recorded Nov 6, 202651-20025 contacts →

Exact match

“N&T Civils Ltd are a leading Civils & Groundworks contractor, serving residential developers, principal contractors and commercial clients across the North East.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchFeltham, United KingdomHQ recorded Nov 6, 202651-20023 contacts →

Exact match

“Duffy Construction provides an all-encompassing construction solution, tailored to suit the needs of our clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20020 contacts →

Exact match

“Patterson Construction is an expert in providing structural solutions to the construction and refurbishment markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDartford, United KingdomHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Martello Piling patented and developed the unique Martello Piling System whereby large diameter rotary bored piles may be constructed to significant depths in restricted and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMitcham, United KingdomHQ recorded Nov 6, 2026201-50018 contacts →

Exact match

“Paul Mulcair UK Ltd is a high performing Civil Engineering and Building Contractor.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchEdgware, United KingdomHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“CONNEELY CONSTRUCTION LTD is a construction company based out of 110 WARWICK AVENUE, EDGWARE, United Kingdom.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLockerbie, United KingdomHQ recorded Nov 6, 202651-20016 contacts →

Exact match

“Established in 2007, we are a highly reputable company with many years of experience delivering works of high standards in various sectors including: Groundworks, Civil…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSalford, United KingdomHQ recorded Nov 6, 202651-20014 contacts →

Exact match

“BICO Specialists Concrete Frame Contractor and Civil Engineering & Groundworks, helping build Britain's Infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchCarlisle, United KingdomHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Kirkaldy and Roe Ltd - groundworks, drainage, civil engineering and building contractors based in Carlisle and covering Cumbria and South West Scotland - Groundworks including…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAshington, United KingdomHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“With beginnings in plant hire, haulage and land clearance, RB Blackburn, part of the RBB Group, have grown into an established name in Civil Engineering.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20012 contacts →

Exact match

“EE Structures is a specialist reinforced concrete and groundworks contractor delivering structural and below-ground packages for residential, commercial and mixed-use developments…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Cheyne Construction is an established London company that has been working in the capital for the past 10 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 87 diaphragm wall contractors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 495 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Diaphragm wall contractors based in the United Kingdom at a glance

As of Nov 6, 2026
27.4%Verified-email coverage
20.8Average contacts per company
11-50Median size (employees)
24.1%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
27
11-50
33
51-200
17
201-500
5
501-1,000
3
1,001-5,000
2

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 87 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “diaphragm wall contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 495 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “diaphragm wall contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many diaphragm wall contractors are there based in the United Kingdom?

RevenueBase identified 87 company matches for diaphragm wall contractors associated with the United Kingdom as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Toureen Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most diaphragm wall contractors?

London leads with 21 company records, followed by Braintree (2) and Chorley (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 495 professional contacts with verified work emails tracked across these 87 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.