Company lists · Data refreshed September 2026
Top 25 Seismic engineering staffing companies based in the United Kingdom
RevenueBase identified 235 seismic engineering staffing companies headquartered in the United Kingdom as of September 2026 and tracks 3,209 professional contacts across them, including 950 with verified work emails. London is the largest hub.
This list covers seismic engineering staffing 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 29, 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.
The 25 largest seismic engineering staffing companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 589 contacts → | ||||
Strong evidence “Fircroft is now part of the NES Fircroft group - the world’s leading engineering staffing provider spanning the Oil & Gas, Power & Renewables, Infrastructure, Life Sciences…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 506 contacts → | ||||
Indirect evidence “Waterman Aspen welcomes engineers and technical specialists to make their mark on some of the biggest infrastructure projects across the UK on a secondment basis.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 134 contacts → | ||||
Indirect evidence “BMSL was formed in 1996 to provide specialist support to the construction industry.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 85 contacts → | ||||
Partial evidence “Engineering Value Together - from incubation, to project realisation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 75 contacts → | ||||
Partial evidence “Zetica is the UK’s leader in engineering and environmental geophysics, with an enviable reputation for objective advice, novel problem solving, consistently high-quality surveys…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 73 contacts → | ||||
Partial evidence “Welcome to SER (Staffing) Ltd specialist technical recruiters Established in 2002 we work with major organisations across the World helping them source and recruit technical…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 60 contacts → | ||||
Indirect evidence “Causeway Geotech Ltd bring together a team of Chartered Geotechnical Engineers with over 100 years of experience in total of offshore and onshore geotechnical ground investigation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 57 contacts → | ||||
Indirect evidence “Penguin Recruitment Launched in 2004 Penguin Recruitment is a long-established recruitment consultancy that specialises in sourcing and selecting top talent for organisations in…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 55 contacts → | ||||
Indirect evidence “Since our inception in 2009, Future has built a reputation based on the quality of our service, our principles of honesty, integrity, efficiency and always doing the right thing…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 47 contacts → | ||||
Partial evidence “Established in 2005, Leader Engineering provides a complete range of contract and permanent talent solutions to Oil and Gas, Civils, Environmental and Renewable Energy projects…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 46 contacts → | ||||
Indirect evidence “We empower businesses by solving one of their biggest challenges: finding the right people.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 42 contacts → | ||||
Indirect evidence “Highfield Professional Solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 41 contacts → | ||||
Indirect evidence “Power & Infrastructure Resourcing is one of the UK’s leading suppliers of high calibre and experienced personnel.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 37 contacts → | ||||
Indirect evidence “Great recruitment starts with knowing your market inside out and building lasting relationships with the people in it.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 36 contacts → | ||||
Indirect evidence “Clearfield provides freelance, permanent and temporary staff to clients in the construction and other similar markets.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 34 contacts → | ||||
Indirect evidence “Specializing in meeting client needs and project requirements, delivering top-tier personnel for successful outcomes.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 23 contacts → | ||||
Partial evidence “A F Howland Associates was formed in 1981 to provide an independent practice offering a specialist service in geotechnical engineering and related disciplines.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 23 contacts → | ||||
Indirect evidence “We're an construction agency with a HUGE difference!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 20 contacts → | ||||
Partial evidence “Geomatic Solutions™ supplies scientific software, geodetic and seismic survey design and consulting services to industry leaders in Oil & Gas, Aviation and government.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 20 contacts → | ||||
Indirect evidence “Skyline Group specialises in recruitment for the design and construction of data centres and complex building projects.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 18 contacts → | ||||
Partial evidence “Lloyds Datum Group is an independent company specialising in Structural, Geo-technical and Environmental systems for the Building, Civil Engineering industry.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 16 contacts → | ||||
Strong evidence “BCS Connect is a specialist recruitment business dedicated to providing exceptional staffing solutions across the civil engineering and construction sector.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 14 contacts → | ||||
Partial evidence “GeoScience Limited is an independent earth science consultancy, providing engineering, geomechanics and reservoir geology solutions to the oil, gas and geothermal industries.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 14 contacts → | ||||
Partial evidence “Geotechnical Observations provide structural and geotechnical monitoring for civil engineering projects.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 13 contacts → | ||||
Indirect evidence “We are a firm of consulting Civil and Structural Engineers specialising in the Building Structures field who are committed to achieving the highest possible levels of client…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
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: seismic engineering staffing 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 seismic engineering staffing companies.
- Partial evidence
- Its own public description names part of seismic engineering staffing companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name seismic engineering staffing 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 235 seismic engineering staffing companies based in the United Kingdom
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Seismic engineering staffing companies based in the United Kingdom at a glance
As of Sep 29, 2026Companies by employee count
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 235 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 seismic engineering staffing 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 “seismic engineering staffing 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 seismic engineering staffing 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 seismic engineering staffing 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, 950 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 29, 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.
Seismic engineering staffing 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 seismic engineering staffing 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 seismic engineering staffing companies are there based in the United Kingdom?
RevenueBase identified 235 seismic engineering staffing 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?
Fircroft, headquartered in Warrington, tops this list with the largest team on record.
Which city has the most seismic engineering staffing companies?
London leads with 45 headquartered companies, followed by Manchester (10) and Aberdeen (6).
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 950 verified decision-maker contacts tracked across these 235 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 29, 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.
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