Company lists · Data refreshed September 2026
Top 25 Wildlife monitoring and survey companies based in the United Kingdom
RevenueBase identified 283 wildlife monitoring and survey companies headquartered in the United Kingdom as of September 2026 and tracks 2,272 professional contacts across them, including 1,099 with verified work emails. London is the largest hub.
This list covers wildlife monitoring and survey companies headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest wildlife monitoring and survey companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 164 contacts → | ||||
Indirect evidence “RSK Biocensus is an ecological consultancy with a presence across the country and an extensive network of ecologists throughout the UK.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 133 contacts → | ||||
Indirect evidence “Thomson Environmental Consultants are experts in environmental compliance with offices in Guildford, Leeds, Cardiff, Birmingham and Manchester.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 76 contacts → | ||||
Partial evidence “Ocean Ecology Limited is a leading marine environmental consultancy specialising in providing survey, technical, data and advisory services to organisations delivering and…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 74 contacts → | ||||
Indirect evidence “RammSanderson Ecology Ltd is a specialist ecological consultancy based at offices in the East Midlands, West Midlands, Yorkshire, North West, South West and South East, offering…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 73 contacts → | ||||
Indirect evidence “BSG Ecology is an award-winning independent ecological consultancy.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 55 contacts → | ||||
Indirect evidence “NBC Environment specialises in resolving conflicts between nature, businesses, and people by delivering effective, humane, and sustainable solutions.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 49 contacts → | ||||
Indirect evidence “FiveRivers is a leading industry specialist in the consultation, design and delivery of ecological and environmental solutions.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 48 contacts → | ||||
Partial evidence “HiDef & BioConsult SH are innovative, solutions-driven, survey and consultancy providers, with HiDef being the UK’s market leader in high-resolution digital aerial offshore…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 40 contacts → | ||||
Partial evidence “We specialise in single point provision of Ecological Consultancy in parallel with the physical delivery by in-house staff of physical site works, ranging from phase one surveys…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 34 contacts → | ||||
Partial evidence “MKA Ecology is an environmental consultancy specialising in providing detailed ecological surveys.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 33 contacts → | ||||
Indirect evidence “Brooks Ecological Ltd is a well-established ecological consultancy located in Leeds.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 29 contacts → | ||||
Indirect evidence “We are a leading independent ecological consultancy business, established in 2008, based in Dunblane in Central Scotland.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 28 contacts → | ||||
Indirect evidence “Avian Ecology is led by skilled ecologists who also understand business.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 27 contacts → | ||||
Indirect evidence “Established in 2006 we are an independent ecological consultancy providing a cost effective and knowledgable service to a wide range of commercial and private clients across…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 25 contacts → | ||||
Partial evidence “ECOSA's ecologists deliver a full ecological survey, assessment and contracting service to support our clients' development and conservation projects across the UK.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 25 contacts → | ||||
Partial evidence “EMEC Ecology (East Midlands Environmental Consultancy) is a specialist ecological consultancy undertaking protected species surveys (bats, great crested newts, reptiles, water…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 24 contacts → | ||||
Indirect evidence “Ecology | Development | Biodiversity Baker Consultants Ltd is an award winning ecological consultancy providing services to clients at all points in the planning and development…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 23 contacts → | ||||
Indirect evidence “We are the South West’s leading ecological consultancy with over 20 years of experience.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 23 contacts → | ||||
Indirect evidence “Ecology by Design is a leading ecology consultancy based in Chalgrove, Oxfordshire and Tewkesbury, Gloucestershire.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 22 contacts → | ||||
Indirect evidence “The Ecology Co-op is based in the South East of England with offices in West Sussex and Dorset.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 22 contacts → | ||||
Indirect evidence “Clarkson and Woods Ltd.(formerly Michael Woods Associates) is an ecological consultancy with a long proven track record of delivery high quality ecological services to clients in…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 22 contacts → | ||||
Indirect evidence “Greenwillows Associates is a friendly, independent ecological consultancy based near Huntingdon, Cambridgeshire.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 22 contacts → | ||||
Partial evidence “We provide ecological consultancy services in the South West and nationwide, including: bat surveys and other protected species surveys; Phase I and NVC habitat surveys…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 19 contacts → | ||||
Indirect evidence “Darwin Ecology is an independent ecological consultancy.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 19 contacts → | ||||
Indirect evidence “E3 Ecology Ltd.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: wildlife monitoring and survey companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names wildlife monitoring and survey companies.
- Partial evidence
- Its own public description names part of wildlife monitoring and survey companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name wildlife monitoring and survey companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 283 wildlife monitoring and survey companies based in the United Kingdom
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Wildlife monitoring and survey companies based in the United Kingdom at a glance
As of Sep 22, 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 283 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among wildlife monitoring and survey companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United Kingdom whose own description of what they do matches “wildlife monitoring and survey companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names wildlife monitoring and survey companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among wildlife monitoring and survey companies, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 1,099 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names wildlife monitoring and survey companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many wildlife monitoring and survey companies are there based in the United Kingdom?
RevenueBase identified 283 wildlife monitoring and survey companies headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
RSK Biocensus, headquartered in Helsby, tops this list with the largest team on record.
Which city has the most wildlife monitoring and survey companies?
London leads with 8 headquartered companies, followed by Exeter (7) and Bristol (5).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,099 verified decision-maker contacts tracked across these 283 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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