Company lists · Data refreshed October 2026
Top 25 Hydrological engineering companies based in the United Kingdom
RevenueBase identified 313 company matches for hydrological engineering companies associated with the United Kingdom as of October 2026 and tracks 3,516 professional contacts across them, including 1,570 with verified work emails. London is the largest hub.
This list covers company matches for hydrological engineering companies 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 October 14, 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 25 largest hydrological engineering companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 195 contacts → | ||||
Exact match “Hydro International, a CRH Company, provides advanced products, services and expertise to help municipal, industrial and construction customers to improve their water management…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 2 | 174 contacts → | ||||
Exact match “With over 40 years experience JNP Group deliver highly professional, integrated efficient design and consultancy solutions from inception to completion, irrespective of project…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 3 | 124 contacts → | ||||
Exact match “Mackley provides a comprehensive range of services from conception through construction to project delivery.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 4 | 107 contacts → | ||||
Exact match “Land + Water is more than just a dredging company.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 5 | 98 contacts → | ||||
Exact match “Crowder Consulting provides innovative engineering consultancy services and software solutions to the water industry, specialising in water supply, water distribution and sewer…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 6 | 85 contacts → | ||||
Exact match “Metis is an Employee-Owned civil and environmental engineering consultancy, with offices in London and Manchester.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 7 | 71 contacts → | ||||
Exact match “Throughout the world ACO branded drainage and surface water management systems are recognised for their innovative design, high quality manufacture, environmental excellence and…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 8 | 64 contacts → | ||||
Exact match “Waterco Datrys is a leading consultancy in water and environmental engineering, formed through the merger of Waterco and Datrys in 2024.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 9 | 61 contacts → | ||||
Exact match “Part of the WJ Group, WJ UK offer a complete groundwater control and management service, which encompasses design, installation and maintenance programmes to businesses throughout…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 10 | 56 contacts → | ||||
Exact match “We have been delivering innovative, cost-effective, sustainable civil engineering services to our customers since 1977.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 11 | 54 contacts → | ||||
Exact match “With over 40 year’s industry experience, we are a leading engineering contractor with specialist expertise in the water and wastewater sector.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 12 | 44 contacts → | ||||
Exact match “Beckett Rankine is the UK's leading maritime engineering consultancy.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 13 | 39 contacts → | ||||
Exact match “RWO is a multidisciplinary engineering consultancy delivering civil, structural, geotechnical and geoenvironmental solutions across the UK and internationally.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 14 | 38 contacts → | ||||
Exact match “As a world-leading independent consultancy in oil and gas field water management, our team provides on-site fluid sampling, laboratory analysis, specialty monitoring equipment for…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 15 | 36 contacts → | ||||
Exact match “CBEC eco-engineering is a leading UK environmental consultant specialising in the provision of eco-engineering solutions for the aquatic environment.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 16 | 36 contacts → | ||||
Exact match “TB Associates was founded in the United Kingdom in 2004 and is a research-based engineering consultancy company.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 17 | 35 contacts → | ||||
Exact match “RAB are dedicated to increasing resilience and reducing flood risk.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 18 | 35 contacts → | ||||
Exact match “River restoration and erosion control specialists Salix provide sustainable solutions to the challenges found in soil erosion control and river restoration projects.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 19 | 33 contacts → | ||||
Exact match “RES Environmental Ltd is an Urban Drainage and Environmental Consultancy.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 20 | 33 contacts → | ||||
Exact match “Hydraulic Analysis Limited is the acknowledged worldwide leading engineering consultancy for undertaking pipeline hydraulic design and surge analysis studies.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 21 | 31 contacts → | ||||
Exact match “Fishtek is a specialist company offering a range of technical services, including fisheries impact assessments, hydro-power studies, fish and eel pass design/fabrication and…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 22 | 30 contacts → | ||||
Exact match “McCloy Consulting Limited, a specialist water focussed multidisciplinary with expertise in nature-based solutions, flood risk, geo-environmental, landscape design, ecology…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 23 | 29 contacts → | ||||
Exact match “Measurement experts who use innovation to understand river functions and provide knowledge to inform projects that reduce flooding and improve natural habitats.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 24 | 28 contacts → | ||||
Exact match “Aegaea provides expertise in water, civils and environment including discharge of conditions for outline and full planning.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 25 | 28 contacts → | ||||
Exact match “Irrigation Engineers Ltd is a consultancy with international experience having worked throughout Europe, Africa, the Middle East and Asia.” Recorded in the RevenueBase company graph · Oct 14, 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 “hydrological engineering companies”. 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 25 of 313 hydrological engineering companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 1,570 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Hydrological engineering companies based in the United Kingdom at a glance
As of Oct 14, 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 313 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 “hydrological engineering companies” 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 1,570 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 October 14, 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 “hydrological engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hydrological engineering companies are there based in the United Kingdom?
RevenueBase identified 313 company matches for hydrological engineering companies associated with the United Kingdom as of October 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?
Hydro International tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most hydrological engineering companies?
London leads with 21 company records, followed by Manchester (8) and Wallingford (7).
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 1,570 professional contacts with verified work emails tracked across these 313 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 October 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 313 hydrological engineering companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Hydrological engineering companies by geography
- Hydrological engineering companies based in Melbourne, Australia
- Hydrological engineering companies based in Sydney, Australia
- Hydrological engineering companies based in Belo Horizonte, Brazil
- Hydrological engineering companies based in Santiago, Chile
- Hydrological engineering companies based in Bogota, Colombia
- Hydrological engineering companies based in New Delhi, India
- Hydrological engineering companies based in Pune, India
- Hydrological engineering companies based in Rome, Italy
- Hydrological engineering companies based in Madrid, Spain
- Hydrological engineering companies based in Ankara, Türkiye
- Hydrological engineering companies based in Argentina
- Hydrological engineering companies based in Australia
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
- Hydrological engineering companies based in Melbourne, Australia
- Hydrological engineering companies based in Sydney, Australia
- Hydrological engineering companies based in Belo Horizonte, Brazil
- Hydrological engineering companies based in Santiago, Chile
- Hydrological engineering companies based in Bogota, Colombia
- Hydrological engineering companies based in New Delhi, India
Company intelligence · public preview
Top 25 hydrological engineering companies based in the 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 313 matching company records for hydrological engineering companies based in the United Kingdom, with 3,516 tracked contacts and 1,570 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 14, 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 25 hydrological engineering companies based in the 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 |  Hydro Internationalhydro-int.comHQ: Clevedon, United KingdomReported employees: 201-500 | Clevedon, United Kingdom | 201-500 | Exact match | 195 contacts → |
“Hydro International, a CRH Company, provides advanced products, services and expertise to help municipal, industrial and construction customers to improve their water management…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  JNP Groupjnpgroup.co.ukHQ: Amersham, United KingdomReported employees: 51-200 | Amersham, United Kingdom | 51-200 | Exact match | 174 contacts → |
“With over 40 years experience JNP Group deliver highly professional, integrated efficient design and consultancy solutions from inception to completion, irrespective of project…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Mackleymackley.co.ukHQ: Small Dole, United KingdomReported employees: 51-200 | Small Dole, United Kingdom | 51-200 | Exact match | 124 contacts → |
“Mackley provides a comprehensive range of services from conception through construction to project delivery.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Land Waterland-water.co.ukHQ: Guildford, United KingdomReported employees: 201-500 | Guildford, United Kingdom | 201-500 | Exact match | 107 contacts → |
“Land + Water is more than just a dredging company.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Crowder Consultingcrowderconsult.comHQ: Birkenhead, United KingdomReported employees: 51-200 | Birkenhead, United Kingdom | 51-200 | Exact match | 98 contacts → |
“Crowder Consulting provides innovative engineering consultancy services and software solutions to the water industry, specialising in water supply, water distribution and sewer…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Metis Consultants Certified B Corpmetisconsultants.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 85 contacts → |
“Metis is an Employee-Owned civil and environmental engineering consultancy, with offices in London and Manchester.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  ACO Water Management UK & Irelandaco.co.ukHQ: Shefford, United KingdomReported employees: 201-500 | Shefford, United Kingdom | 201-500 | Exact match | 71 contacts → |
“Throughout the world ACO branded drainage and surface water management systems are recognised for their innovative design, high quality manufacture, environmental excellence and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Waterco Datryswaterco.co.ukHQ: Ruthin, United KingdomReported employees: 11-50 | Ruthin, United Kingdom | 11-50 | Exact match | 64 contacts → |
“Waterco Datrys is a leading consultancy in water and environmental engineering, formed through the merger of Waterco and Datrys in 2024.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  WJ UKwjgl.comHQ: Kings Langley, United KingdomReported employees: 51-200 | Kings Langley, United Kingdom | 51-200 | Exact match | 61 contacts → |
“Part of the WJ Group, WJ UK offer a complete groundwater control and management service, which encompasses design, installation and maintenance programmes to businesses throughout…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Whitehouse Construction CO LTDwhitehouseconstruction.co.ukHQ: Ashbourne, United KingdomReported employees: 51-200 | Ashbourne, United Kingdom | 51-200 | Exact match | 56 contacts → |
“We have been delivering innovative, cost-effective, sustainable civil engineering services to our customers since 1977.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  BSGbsgcivilengineering.co.ukHQ: Maghera, United KingdomReported employees: 51-200 | Maghera, United Kingdom | 51-200 | Exact match | 54 contacts → |
“With over 40 year’s industry experience, we are a leading engineering contractor with specialist expertise in the water and wastewater sector.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Beckett Rankinebeckettrankine.comHQ: Westminster, United KingdomReported employees: 11-50 | Westminster, United Kingdom | 11-50 | Exact match | 44 contacts → |
“Beckett Rankine is the UK's leading maritime engineering consultancy.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  RWOrwo.groupHQ: Newcastle Upon Tyne, United KingdomReported employees: 11-50 | Newcastle Upon Tyne, United Kingdom | 11-50 | Exact match | 39 contacts → |
“RWO is a multidisciplinary engineering consultancy delivering civil, structural, geotechnical and geoenvironmental solutions across the UK and internationally.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  OIL Plus LTDoilplusltd.comHQ: Newbury, United KingdomReported employees: 11-50 | Newbury, United Kingdom | 11-50 | Exact match | 38 contacts → |
“As a world-leading independent consultancy in oil and gas field water management, our team provides on-site fluid sampling, laboratory analysis, specialty monitoring equipment for…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Cbec Eco-Engineering UK & Europecbecoeng.co.ukHQ: Inverness, United KingdomReported employees: 11-50 | Inverness, United Kingdom | 11-50 | Exact match | 36 contacts → |
“CBEC eco-engineering is a leading UK environmental consultant specialising in the provision of eco-engineering solutions for the aquatic environment.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  TB Associatestb.associatesHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 36 contacts → |
“TB Associates was founded in the United Kingdom in 2004 and is a research-based engineering consultancy company.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  RAB Consultantsrabconsultants.co.ukHQ: Lichfield, United KingdomReported employees: 11-50 | Lichfield, United Kingdom | 11-50 | Exact match | 35 contacts → |
“RAB are dedicated to increasing resilience and reducing flood risk.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Salix River And Wetlandsalixrw.com HQ: Thetford, United KingdomReported employees: 11-50 | Thetford, United Kingdom | 11-50 | Exact match | 35 contacts → |
“River restoration and erosion control specialists Salix provide sustainable solutions to the challenges found in soil erosion control and river restoration projects.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | RES Environmental LTDres-env.co.uk HQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 33 contacts → |
“RES Environmental Ltd is an Urban Drainage and Environmental Consultancy.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Hydraulic Analysis Group Limitedhydraulic-analysis.comHQ: Leeds, United KingdomReported employees: 51-200 | Leeds, United Kingdom | 51-200 | Exact match | 33 contacts → |
“Hydraulic Analysis Limited is the acknowledged worldwide leading engineering consultancy for undertaking pipeline hydraulic design and surge analysis studies.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Fishtekfishtek.co.ukHQ: Totnes, United KingdomReported employees: 11-50 | Totnes, United Kingdom | 11-50 | Exact match | 31 contacts → |
“Fishtek is a specialist company offering a range of technical services, including fisheries impact assessments, hydro-power studies, fish and eel pass design/fabrication and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Mccloy Consulting Limitedmccloyconsulting.comHQ: Newtownabbey, United KingdomReported employees: 11-50 | Newtownabbey, United Kingdom | 11-50 | Exact match | 30 contacts → |
“McCloy Consulting Limited, a specialist water focussed multidisciplinary with expertise in nature-based solutions, flood risk, geo-environmental, landscape design, ecology…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Storm Geomatics Limitedstorm-geomatics.comHQ: Shipston On Stour, United KingdomReported employees: 11-50 | Shipston On Stour, United Kingdom | 11-50 | Exact match | 29 contacts → |
“Measurement experts who use innovation to understand river functions and provide knowledge to inform projects that reduce flooding and improve natural habitats.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Aegaea Limitedaegaea.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Aegaea provides expertise in water, civils and environment including discharge of conditions for outline and full planning.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Irrigation Engineers LTDirrigation-engineers.co.ukHQ: High Wycombe, United KingdomReported employees: 1-10 | High Wycombe, United Kingdom | 1-10 | Exact match | 28 contacts → |
“Irrigation Engineers Ltd is a consultancy with international experience having worked throughout Europe, Africa, the Middle East and Asia.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 313 company matches
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Hydrological engineering companies: dataset insights
October 14, 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
312 records in the displayed employee bands.
1 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 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 313 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: October 14, 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 hydrological engineering companies?
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 hydrological engineering companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 313 matching company records, 3,516 tracked contacts and 1,570 verified emails. The public preview displays 25 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: October 14, 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
Hydrological engineering companies by geography
- Hydrological engineering companies based in Melbourne, Australia
- Hydrological engineering companies based in Sydney, Australia
- Hydrological engineering companies based in Belo Horizonte, Brazil
- Hydrological engineering companies based in Santiago, Chile
- Hydrological engineering companies based in Bogota, Colombia
- Hydrological engineering companies based in New Delhi, India
- Hydrological engineering companies based in Pune, India
- Hydrological engineering companies based in Rome, Italy
- Hydrological engineering companies based in Madrid, Spain
- Hydrological engineering companies based in Ankara, Türkiye
- Hydrological engineering companies based in Argentina
- Hydrological engineering companies based in Australia
Cite this list
RevenueBase Data Team. Top 25 hydrological engineering companies based in the United Kingdom. Snapshot: October 14, 2026. https://revenuebase.ai/companies/hydrological-engineering-companies/united-kingdom.
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
- Hydrological engineering companies based in Melbourne, Australia
- Hydrological engineering companies based in Sydney, Australia
- Hydrological engineering companies based in Belo Horizonte, Brazil
- Hydrological engineering companies based in Santiago, Chile
- Hydrological engineering companies based in Bogota, Colombia
- Hydrological engineering companies based in New Delhi, India
Company intelligence · public preview
Top 25 hydrological engineering companies based in the United Kingdom
RevenueBase records 313 matching company records for hydrological engineering companies based in the United Kingdom, with 3,516 tracked contacts and 1,570 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 14, 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 25 hydrological engineering companies based in the 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 | Hydro Internationalhydro-int.com HQ: Clevedon, United KingdomReported employees: 201-500 | Clevedon, United Kingdom | 201-500 | Exact match | 195 contacts → |
“Hydro International, a CRH Company, provides advanced products, services and expertise to help municipal, industrial and construction customers to improve their water management…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | JNP Groupjnpgroup.co.uk HQ: Amersham, United KingdomReported employees: 51-200 | Amersham, United Kingdom | 51-200 | Exact match | 174 contacts → |
“With over 40 years experience JNP Group deliver highly professional, integrated efficient design and consultancy solutions from inception to completion, irrespective of project…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Mackleymackley.co.uk HQ: Small Dole, United KingdomReported employees: 51-200 | Small Dole, United Kingdom | 51-200 | Exact match | 124 contacts → |
“Mackley provides a comprehensive range of services from conception through construction to project delivery.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Land Waterland-water.co.uk HQ: Guildford, United KingdomReported employees: 201-500 | Guildford, United Kingdom | 201-500 | Exact match | 107 contacts → |
“Land + Water is more than just a dredging company.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Crowder Consultingcrowderconsult.com HQ: Birkenhead, United KingdomReported employees: 51-200 | Birkenhead, United Kingdom | 51-200 | Exact match | 98 contacts → |
“Crowder Consulting provides innovative engineering consultancy services and software solutions to the water industry, specialising in water supply, water distribution and sewer…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Metis Consultants Certified B Corpmetisconsultants.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 85 contacts → |
“Metis is an Employee-Owned civil and environmental engineering consultancy, with offices in London and Manchester.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | ACO Water Management UK & Irelandaco.co.uk HQ: Shefford, United KingdomReported employees: 201-500 | Shefford, United Kingdom | 201-500 | Exact match | 71 contacts → |
“Throughout the world ACO branded drainage and surface water management systems are recognised for their innovative design, high quality manufacture, environmental excellence and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Waterco Datryswaterco.co.uk HQ: Ruthin, United KingdomReported employees: 11-50 | Ruthin, United Kingdom | 11-50 | Exact match | 64 contacts → |
“Waterco Datrys is a leading consultancy in water and environmental engineering, formed through the merger of Waterco and Datrys in 2024.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | WJ UKwjgl.com HQ: Kings Langley, United KingdomReported employees: 51-200 | Kings Langley, United Kingdom | 51-200 | Exact match | 61 contacts → |
“Part of the WJ Group, WJ UK offer a complete groundwater control and management service, which encompasses design, installation and maintenance programmes to businesses throughout…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Whitehouse Construction CO LTDwhitehouseconstruction.co.uk HQ: Ashbourne, United KingdomReported employees: 51-200 | Ashbourne, United Kingdom | 51-200 | Exact match | 56 contacts → |
“We have been delivering innovative, cost-effective, sustainable civil engineering services to our customers since 1977.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | BSGbsgcivilengineering.co.uk HQ: Maghera, United KingdomReported employees: 51-200 | Maghera, United Kingdom | 51-200 | Exact match | 54 contacts → |
“With over 40 year’s industry experience, we are a leading engineering contractor with specialist expertise in the water and wastewater sector.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Beckett Rankinebeckettrankine.com HQ: Westminster, United KingdomReported employees: 11-50 | Westminster, United Kingdom | 11-50 | Exact match | 44 contacts → |
“Beckett Rankine is the UK's leading maritime engineering consultancy.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | RWOrwo.group HQ: Newcastle Upon Tyne, United KingdomReported employees: 11-50 | Newcastle Upon Tyne, United Kingdom | 11-50 | Exact match | 39 contacts → |
“RWO is a multidisciplinary engineering consultancy delivering civil, structural, geotechnical and geoenvironmental solutions across the UK and internationally.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | OIL Plus LTDoilplusltd.com HQ: Newbury, United KingdomReported employees: 11-50 | Newbury, United Kingdom | 11-50 | Exact match | 38 contacts → |
“As a world-leading independent consultancy in oil and gas field water management, our team provides on-site fluid sampling, laboratory analysis, specialty monitoring equipment for…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Cbec Eco-Engineering UK & Europecbecoeng.co.uk HQ: Inverness, United KingdomReported employees: 11-50 | Inverness, United Kingdom | 11-50 | Exact match | 36 contacts → |
“CBEC eco-engineering is a leading UK environmental consultant specialising in the provision of eco-engineering solutions for the aquatic environment.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | TB Associatestb.associates HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 36 contacts → |
“TB Associates was founded in the United Kingdom in 2004 and is a research-based engineering consultancy company.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | RAB Consultantsrabconsultants.co.uk HQ: Lichfield, United KingdomReported employees: 11-50 | Lichfield, United Kingdom | 11-50 | Exact match | 35 contacts → |
“RAB are dedicated to increasing resilience and reducing flood risk.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Salix River And Wetlandsalixrw.com HQ: Thetford, United KingdomReported employees: 11-50 | Thetford, United Kingdom | 11-50 | Exact match | 35 contacts → |
“River restoration and erosion control specialists Salix provide sustainable solutions to the challenges found in soil erosion control and river restoration projects.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | RES Environmental LTDres-env.co.uk HQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 33 contacts → |
“RES Environmental Ltd is an Urban Drainage and Environmental Consultancy.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Hydraulic Analysis Group Limitedhydraulic-analysis.com HQ: Leeds, United KingdomReported employees: 51-200 | Leeds, United Kingdom | 51-200 | Exact match | 33 contacts → |
“Hydraulic Analysis Limited is the acknowledged worldwide leading engineering consultancy for undertaking pipeline hydraulic design and surge analysis studies.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Fishtekfishtek.co.uk HQ: Totnes, United KingdomReported employees: 11-50 | Totnes, United Kingdom | 11-50 | Exact match | 31 contacts → |
“Fishtek is a specialist company offering a range of technical services, including fisheries impact assessments, hydro-power studies, fish and eel pass design/fabrication and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Mccloy Consulting Limitedmccloyconsulting.com HQ: Newtownabbey, United KingdomReported employees: 11-50 | Newtownabbey, United Kingdom | 11-50 | Exact match | 30 contacts → |
“McCloy Consulting Limited, a specialist water focussed multidisciplinary with expertise in nature-based solutions, flood risk, geo-environmental, landscape design, ecology…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Storm Geomatics Limitedstorm-geomatics.com HQ: Shipston On Stour, United KingdomReported employees: 11-50 | Shipston On Stour, United Kingdom | 11-50 | Exact match | 29 contacts → |
“Measurement experts who use innovation to understand river functions and provide knowledge to inform projects that reduce flooding and improve natural habitats.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Aegaea Limitedaegaea.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Aegaea provides expertise in water, civils and environment including discharge of conditions for outline and full planning.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Irrigation Engineers LTDirrigation-engineers.co.uk HQ: High Wycombe, United KingdomReported employees: 1-10 | High Wycombe, United Kingdom | 1-10 | Exact match | 28 contacts → |
“Irrigation Engineers Ltd is a consultancy with international experience having worked throughout Europe, Africa, the Middle East and Asia.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 313 company matches
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Hydrological engineering companies: dataset insights
October 14, 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
312 records in the displayed employee bands.
1 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 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 313 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: October 14, 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 hydrological engineering companies?
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 hydrological engineering companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 313 matching company records, 3,516 tracked contacts and 1,570 verified emails. The public preview displays 25 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: October 14, 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
Hydrological engineering companies by geography
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Cite this list
RevenueBase Data Team. Top 25 hydrological engineering companies based in the United Kingdom. Snapshot: October 14, 2026. https://revenuebase.ai/companies/hydrological-engineering-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Hydrological engineering companies based in Melbourne, Australia
- Hydrological engineering companies based in Sydney, Australia
- Hydrological engineering companies based in Belo Horizonte, Brazil
- Hydrological engineering companies based in Santiago, Chile
- Hydrological engineering companies based in Bogota, Colombia
- Hydrological engineering companies based in New Delhi, India