Company lists · Data refreshed November 2026
Top 24 Transit authority engineering services based in London, United Kingdom
RevenueBase identified 100 company matches for transit authority engineering services associated with London, United Kingdom as of November 2026 and tracks 1,733 professional contacts across them, including 689 with verified work emails. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for transit authority engineering services associated with London, 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.
The 24 largest transit authority engineering services based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 479 contacts → | ||||
Exact match “Following a management buyout in February 2023, Abellio UK Group is now Transport UK Group.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 191 contacts → | ||||
Exact match “Egis is a leading global consulting, construction engineering and operating firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 112 contacts → | ||||
Exact match “SRC Infrastructure has been providing project management and engineering advisory, consultancy and managed service solutions to UK infrastructure clients for 20 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 104 contacts → | ||||
Exact match “Founded in 2005, Ardent Consulting Engineers provide transport and infrastructure planning and engineering advice to the property and land development industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 101 contacts → | ||||
Exact match “Fourway is a family owned company giving long term stability, commitment and accountability.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 60 contacts → | ||||
Exact match “Transport Consulting & Advisory is an independent global multi-modal transport sector strategy consultancy, transforming our clients’ businesses through transport planning…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 47 contacts → | ||||
Exact match “Momentum Transport Consultancy is a progressive, people-first transport consultancy providing transport planning, analytics and engineering solutions in complex urban environments.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 34 contacts → | ||||
Exact match “Taylor Airey is a leading independent strategy and operations consultancy for the transport industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 33 contacts → | ||||
Exact match “Drees & Sommer: Your Innovative Partner for Consulting, Planning, Construction and Operation Leading European consulting, planning and project management enterprise, Drees &…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 31 contacts → | ||||
Exact match “SAUD CONSULTANT LIMITED is a construction company based out of 153 Green Lanes, London, United Kingdom.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 30 contacts → | ||||
Exact match “We are one of the UK’s leading engineering consultancies providing Multi-disciplinary Design and holistic Project Management in rail, built environment, and energy related sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 22 contacts → | ||||
Exact match “Leader; a person in control of a group or situation”.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 20 contacts → | ||||
Exact match “The Hub is a specialist transport sector consultancy that brings together strategic and commercial advisory services with deep sector expertise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 18 contacts → | ||||
Exact match “IPEX Consulting is a leading UK-based professional services company specialising in the rail sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 18 contacts → | ||||
Exact match “North Star is formed of a team of consultants providing specialist operational advice and services to the transport industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 17 contacts → | ||||
Exact match “In 2014, passenger transport giant Go-Ahead and rail specialist software company Assertis joined forces to create OnTrack Retail.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 17 contacts → | ||||
Exact match “Rail Reliability is a South East of England based company set up by two directors who have both been through railway apprenticeships who have now become seasoned consultants in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 15 contacts → | ||||
Exact match “EFA Engineering is born out of the requirement to find efficiencies within the rail industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 11 contacts → | ||||
Exact match “In 2019, Hurley Palmer Flatt Group, the UK’s leading independent multidisciplinary engineering consultancy, joined global design firm HDR.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 10 contacts → | ||||
Exact match “tusp is a UK-based consultancy with a global footprint, advising transport and infrastructure clients across three continents.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 9 contacts → | ||||
Exact match “Xanta Limited is an engineering-led management consultancy for the transport industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “About Us** Eleusis Structural Engineering Ltd is where innovation meets excellence in delivering comprehensive engineering and infrastructure solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 7 contacts → | ||||
Exact match “We are industry leading technical advisors and rail consultants Our vision, purpose and values are: Vision To contribute to the Rail industry’s future prosperity Purpose To add…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 7 contacts → | ||||
Exact match “Specialist railway planning consultancy with expertise in commercial planning, operational planning, and the link between the two.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “transit authority engineering services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 24 of 100 transit authority engineering services based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 689 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Transit authority engineering services based in London, United Kingdom at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 100 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 London, United Kingdom whose business descriptions match “transit authority engineering services” 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 689 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 “transit authority engineering services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many transit authority engineering services are there based in London, United Kingdom?
RevenueBase identified 100 company matches for transit authority engineering services associated with London, 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?
Abellio Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United Kingdom has the most transit authority engineering services?
London leads the United Kingdom with 100 company records, followed by Derby (15) and Manchester (12).
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 689 professional contacts with verified work emails tracked across these 100 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.
Ready to reach these companies? Verified emails and direct dials for all 100 transit authority engineering services based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Transit authority engineering services by geography
- Transit authority engineering services based in Brisbane, Australia
- Transit authority engineering services based in Melbourne, Australia
- Transit authority engineering services based in Sydney, Australia
- Transit authority engineering services based in Belo Horizonte, Brazil
- Transit authority engineering services based in Rio De Janeiro, Brazil
- Transit authority engineering services based in Sao Paulo, Brazil
- Transit authority engineering services based in Toronto, Canada
- Transit authority engineering services based in Bogota, Colombia
- Transit authority engineering services based in Cairo, Egypt
- Transit authority engineering services based in Paris, France
- Transit authority engineering services based in Berlin, Germany
- Transit authority engineering services based in Hamburg, Germany
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Transit authority engineering services based in Brisbane, Australia
- Transit authority engineering services based in Melbourne, Australia
- Transit authority engineering services based in Sydney, Australia
- Transit authority engineering services based in Belo Horizonte, Brazil
- Transit authority engineering services based in Rio De Janeiro, Brazil
- Transit authority engineering services based in Sao Paulo, Brazil
Company intelligence · public preview
Top 24 transit authority engineering services based in London, United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 100 matching company records for transit authority engineering services based in London, United Kingdom, with 1,733 tracked contacts and 689 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 24 transit authority engineering services based in London, United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Abellio Groupabellio.comHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 479 contacts → |
“Following a management buyout in February 2023, Abellio UK Group is now Transport UK Group.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Egis In The UKegis-group.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 191 contacts → |
“Egis is a leading global consulting, construction engineering and operating firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  SRC Infrastructuresrcinfrastructure.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 112 contacts → |
“SRC Infrastructure has been providing project management and engineering advisory, consultancy and managed service solutions to UK infrastructure clients for 20 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Ardent Consulting Engineersardent-ce.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 104 contacts → |
“Founded in 2005, Ardent Consulting Engineers provide transport and infrastructure planning and engineering advice to the property and land development industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Fourway Communication LTDfourway.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 101 contacts → |
“Fourway is a family owned company giving long term stability, commitment and accountability.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Snc-Lavalin Atkins Transport Consulting & Advisorysnclavalin.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 60 contacts → |
“Transport Consulting & Advisory is an independent global multi-modal transport sector strategy consultancy, transforming our clients’ businesses through transport planning…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Momentum Transport Consultancymomentum-transport.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 47 contacts → |
“Momentum Transport Consultancy is a progressive, people-first transport consultancy providing transport planning, analytics and engineering solutions in complex urban environments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Taylor Aireytaylorairey.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 34 contacts → |
“Taylor Airey is a leading independent strategy and operations consultancy for the transport industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Drees & Sommer UKdreso.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 33 contacts → |
“Drees & Sommer: Your Innovative Partner for Consulting, Planning, Construction and Operation Leading European consulting, planning and project management enterprise, Drees &…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Saud Consultant Limitedsaudconsult.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 31 contacts → |
“SAUD CONSULTANT LIMITED is a construction company based out of 153 Green Lanes, London, United Kingdom.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Poise Grouppoisegroup.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 30 contacts → |
“We are one of the UK’s leading engineering consultancies providing Multi-disciplinary Design and holistic Project Management in rail, built environment, and energy related sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Project Leaders LTDprojectleaders.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Leader; a person in control of a group or situation”.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  The HUBthehubtransportadvisory.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 20 contacts → |
“The Hub is a specialist transport sector consultancy that brings together strategic and commercial advisory services with deep sector expertise.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Ipex Consultingipexconsulting.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 18 contacts → |
“IPEX Consulting is a leading UK-based professional services company specialising in the rail sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  North Star Consultancy Limitednorthstarconsultancy.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 18 contacts → |
“North Star is formed of a team of consultants providing specialist operational advice and services to the transport industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Ontrack Retailontrackretail.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 17 contacts → |
“In 2014, passenger transport giant Go-Ahead and rail specialist software company Assertis joined forces to create OnTrack Retail.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Rail Reliabilityrailreliability.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 17 contacts → |
“Rail Reliability is a South East of England based company set up by two directors who have both been through railway apprenticeships who have now become seasoned consultants in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  EFA Engineering LTDefaengineering.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 15 contacts → |
“EFA Engineering is born out of the requirement to find efficiencies within the rail industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  HDR Hurley Palmer Flatt Grouphdrinc.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 11 contacts → |
“In 2019, Hurley Palmer Flatt Group, the UK’s leading independent multidisciplinary engineering consultancy, joined global design firm HDR.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Tusp Powered By BMDtusp.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 10 contacts → |
“tusp is a UK-based consultancy with a global footprint, advising transport and infrastructure clients across three continents.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Xanta Limitedxanta.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 9 contacts → |
“Xanta Limited is an engineering-led management consultancy for the transport industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Eleusis Structural Engineering LTDeleusisengineering.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“About Us** Eleusis Structural Engineering Ltd is where innovation meets excellence in delivering comprehensive engineering and infrastructure solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  VA Railvarail.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“We are industry leading technical advisors and rail consultants Our vision, purpose and values are: Vision To contribute to the Rail industry’s future prosperity Purpose To add…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  The Railway Consultancy LTDrailwayconsultancy.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Specialist railway planning consultancy with expertise in commercial planning, operational planning, and the link between the two.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 100 company matches
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Transit authority engineering services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
100 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 100 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for transit authority engineering services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many transit authority engineering services did RevenueBase find based in London, United Kingdom?
The saved snapshot records 100 matching company records, 1,733 tracked contacts and 689 verified emails. The public preview displays 24 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Transit authority engineering services by geography
- Transit authority engineering services based in Brisbane, Australia
- Transit authority engineering services based in Melbourne, Australia
- Transit authority engineering services based in Sydney, Australia
- Transit authority engineering services based in Belo Horizonte, Brazil
- Transit authority engineering services based in Rio De Janeiro, Brazil
- Transit authority engineering services based in Sao Paulo, Brazil
- Transit authority engineering services based in Toronto, Canada
- Transit authority engineering services based in Bogota, Colombia
- Transit authority engineering services based in Cairo, Egypt
- Transit authority engineering services based in Paris, France
- Transit authority engineering services based in Berlin, Germany
- Transit authority engineering services based in Hamburg, Germany
Cite this list
RevenueBase Data Team. Top 24 transit authority engineering services based in London, United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/transit-authority-engineering-services/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Transit authority engineering services based in Brisbane, Australia
- Transit authority engineering services based in Melbourne, Australia
- Transit authority engineering services based in Sydney, Australia
- Transit authority engineering services based in Belo Horizonte, Brazil
- Transit authority engineering services based in Rio De Janeiro, Brazil
- Transit authority engineering services based in Sao Paulo, Brazil
Company intelligence · public preview
Top 24 transit authority engineering services based in London, United Kingdom
RevenueBase records 100 matching company records for transit authority engineering services based in London, United Kingdom, with 1,733 tracked contacts and 689 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 24 transit authority engineering services based in London, United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Abellio Groupabellio.com HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 479 contacts → |
“Following a management buyout in February 2023, Abellio UK Group is now Transport UK Group.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Egis In The UKegis-group.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 191 contacts → |
“Egis is a leading global consulting, construction engineering and operating firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | SRC Infrastructuresrcinfrastructure.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 112 contacts → |
“SRC Infrastructure has been providing project management and engineering advisory, consultancy and managed service solutions to UK infrastructure clients for 20 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ardent Consulting Engineersardent-ce.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 104 contacts → |
“Founded in 2005, Ardent Consulting Engineers provide transport and infrastructure planning and engineering advice to the property and land development industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Fourway Communication LTDfourway.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 101 contacts → |
“Fourway is a family owned company giving long term stability, commitment and accountability.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Snc-Lavalin Atkins Transport Consulting & Advisorysnclavalin.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 60 contacts → |
“Transport Consulting & Advisory is an independent global multi-modal transport sector strategy consultancy, transforming our clients’ businesses through transport planning…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Momentum Transport Consultancymomentum-transport.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 47 contacts → |
“Momentum Transport Consultancy is a progressive, people-first transport consultancy providing transport planning, analytics and engineering solutions in complex urban environments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Taylor Aireytaylorairey.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 34 contacts → |
“Taylor Airey is a leading independent strategy and operations consultancy for the transport industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Drees & Sommer UKdreso.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 33 contacts → |
“Drees & Sommer: Your Innovative Partner for Consulting, Planning, Construction and Operation Leading European consulting, planning and project management enterprise, Drees &…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Saud Consultant Limitedsaudconsult.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 31 contacts → |
“SAUD CONSULTANT LIMITED is a construction company based out of 153 Green Lanes, London, United Kingdom.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Poise Grouppoisegroup.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 30 contacts → |
“We are one of the UK’s leading engineering consultancies providing Multi-disciplinary Design and holistic Project Management in rail, built environment, and energy related sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Project Leaders LTDprojectleaders.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Leader; a person in control of a group or situation”.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | The HUBthehubtransportadvisory.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 20 contacts → |
“The Hub is a specialist transport sector consultancy that brings together strategic and commercial advisory services with deep sector expertise.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ipex Consultingipexconsulting.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 18 contacts → |
“IPEX Consulting is a leading UK-based professional services company specialising in the rail sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | North Star Consultancy Limitednorthstarconsultancy.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 18 contacts → |
“North Star is formed of a team of consultants providing specialist operational advice and services to the transport industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ontrack Retailontrackretail.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 17 contacts → |
“In 2014, passenger transport giant Go-Ahead and rail specialist software company Assertis joined forces to create OnTrack Retail.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Rail Reliabilityrailreliability.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 17 contacts → |
“Rail Reliability is a South East of England based company set up by two directors who have both been through railway apprenticeships who have now become seasoned consultants in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | EFA Engineering LTDefaengineering.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 15 contacts → |
“EFA Engineering is born out of the requirement to find efficiencies within the rail industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HDR Hurley Palmer Flatt Grouphdrinc.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 11 contacts → |
“In 2019, Hurley Palmer Flatt Group, the UK’s leading independent multidisciplinary engineering consultancy, joined global design firm HDR.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Tusp Powered By BMDtusp.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 10 contacts → |
“tusp is a UK-based consultancy with a global footprint, advising transport and infrastructure clients across three continents.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Xanta Limitedxanta.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 9 contacts → |
“Xanta Limited is an engineering-led management consultancy for the transport industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Eleusis Structural Engineering LTDeleusisengineering.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“About Us** Eleusis Structural Engineering Ltd is where innovation meets excellence in delivering comprehensive engineering and infrastructure solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | VA Railvarail.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“We are industry leading technical advisors and rail consultants Our vision, purpose and values are: Vision To contribute to the Rail industry’s future prosperity Purpose To add…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | The Railway Consultancy LTDrailwayconsultancy.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Specialist railway planning consultancy with expertise in commercial planning, operational planning, and the link between the two.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 100 company matches
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Transit authority engineering services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
100 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 100 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for transit authority engineering services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many transit authority engineering services did RevenueBase find based in London, United Kingdom?
The saved snapshot records 100 matching company records, 1,733 tracked contacts and 689 verified emails. The public preview displays 24 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Transit authority engineering services by geography
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- Transit authority engineering services based in Sydney, Australia
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- Transit authority engineering services based in Rio De Janeiro, Brazil
- Transit authority engineering services based in Sao Paulo, Brazil
- Transit authority engineering services based in Toronto, Canada
- Transit authority engineering services based in Bogota, Colombia
- Transit authority engineering services based in Cairo, Egypt
- Transit authority engineering services based in Paris, France
- Transit authority engineering services based in Berlin, Germany
- Transit authority engineering services based in Hamburg, Germany
Cite this list
RevenueBase Data Team. Top 24 transit authority engineering services based in London, United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/transit-authority-engineering-services/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Transit authority engineering services based in Brisbane, Australia
- Transit authority engineering services based in Melbourne, Australia
- Transit authority engineering services based in Sydney, Australia
- Transit authority engineering services based in Belo Horizonte, Brazil
- Transit authority engineering services based in Rio De Janeiro, Brazil
- Transit authority engineering services based in Sao Paulo, Brazil