Company lists · Data refreshed September 2026

Top 15 Forest health consultants based in the United Kingdom

RevenueBase identified 41 forest health consultants headquartered in the United Kingdom as of September 2026 and tracks 469 professional contacts across them, including 310 with verified work emails. Glasgow is the largest hub.

This list covers forest health consultants 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 19, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review
41Companies
469Contacts tracked
310Verified emails
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The 15 largest forest health consultants based in the United Kingdom

Ranked by team size
Top 15 of 41 forest health consultants based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to forest health consultants: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceStirling, United KingdomHQ checked Sep 19, 202651-200171 contacts →

Partial evidence

“Whatever a forest or woodland owner’s objectives for their property entails, Tilhill is ideally placed to fulfil those requirements to the most professional of standards.”

Source: RevenueBase Database · checked Sep 19, 2026
2Partial evidenceGuildford, United KingdomHQ checked Sep 19, 202651-200133 contacts →

Partial evidence

“Thomson Environmental Consultants are experts in environmental compliance with offices in Guildford, Leeds, Cardiff, Birmingham and Manchester.”

Source: RevenueBase Database · checked Sep 19, 2026
3Indirect evidenceRadbourne, United KingdomHQ checked Sep 19, 202651-20064 contacts →

Indirect evidence

“Over the last decade, Brindle & Green has worked tirelessly to create a business that strives for technical excellence alongside being recognised for creating a culture for our…”

Source: RevenueBase Database · checked Sep 19, 2026
4Partial evidenceHalifax, United KingdomHQ checked Sep 19, 202611-5018 contacts →

Partial evidence

“Based in the industrial heart of West Yorkshire, JCA has rapidly grown and established itself as one of the UK's leading arboricultural and ecological consultancies, with a…”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceWirksworth, United KingdomHQ checked Sep 19, 202611-5016 contacts →

Indirect evidence

“Thompsons Group mission is to provide our range of services in a professional, sustainable, and environmentally positive way to give our clients brilliant service.”

Source: RevenueBase Database · checked Sep 19, 2026
6Partial evidenceKenilworth, United KingdomHQ checked Sep 19, 202611-5015 contacts →

Partial evidence

“Welcome to Heartwood | Industry-leading specialised tree services & forestry contractor.”

Source: RevenueBase Database · checked Sep 19, 2026
7Indirect evidenceDumfries, United KingdomHQ checked Sep 19, 20261-104 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
8Indirect evidenceChester, United KingdomHQ checked Sep 19, 20261-103 contacts →

Indirect evidence

“Indigo Surveys is a national company consulting in arboriculture and ecology and providing measured surveys of land and buildings.”

Source: RevenueBase Database · checked Sep 19, 2026
9Indirect evidenceHathersage, United KingdomHQ checked Sep 19, 20261-103 contacts →

Indirect evidence

“Treefellas Arboriculture is an arboricultural contracting & consulting company based at Outlane Farm, Hathersage, United Kingdom.”

Source: RevenueBase Database · checked Sep 19, 2026
10Strong evidenceGlasgow, United KingdomHQ checked Sep 19, 20261-102 contacts →

Strong evidence

“Woodilee Consultancy Ltd is working in partnership with the forest industry, linking forestry investment and management.”

Source: RevenueBase Database · checked Sep 19, 2026
11Partial evidenceOxford, United KingdomHQ checked Sep 19, 20261-102 contacts →

Partial evidence

“As an arboricultural consultancy, established in 1982, we offer a wide range of tree-related services, including but certainly not limited to: •pre-property-purchase tree reports…”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceElgin, United KingdomHQ checked Sep 19, 20261-102 contacts →

Indirect evidence

“FORRES TREE SERVICES LTD is an Environmental Services company located in THE YARD CROFTS OF BUINACH KELLAS, ELGIN, MORAYSHIRE, United Kingdom.”

Source: RevenueBase Database · checked Sep 19, 2026
13Strong evidenceBasingstoke, United KingdomHQ checked Sep 19, 20261-102 contacts →

Strong evidence

“Wade Environmental (WE) is an independent consultancy for the Public Health and Pest Management Industries offering product development, product testing, inspection, and training…”

Source: RevenueBase Database · checked Sep 19, 2026
14Indirect evidenceCumbria, United KingdomHQ checked Sep 19, 20261-101 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
15Strong evidenceBristol, United KingdomHQ checked Sep 19, 20261-101 contacts →

Strong evidence

Forestry consultancy & woodland management services throughout Gloucestershire, Somerset, Wiltshire, Oxfordshire, Herefordshire & Worcestershire”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 15 of 41 forest health consultants based in the United Kingdom

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Forest health consultants based in the United Kingdom at a glance

As of Sep 19, 2026
66.1%Verified-email coverage
11.4Average contacts per company
1-10Median size (employees)
4.9%Largest-city concentration · Glasgow
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
34
11-50
4
51-200
3

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 41 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 forest health consultants, 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 “forest health consultants”. 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 forest health consultants), 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 forest health consultants, 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, 310 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 19, 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 forest health consultants, 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 forest health consultants are there based in the United Kingdom?

RevenueBase identified 41 forest health consultants 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?

Tilhill Forestry, headquartered in Stirling, tops this list with the largest team on record.

Which city has the most forest health consultants?

Glasgow leads with 2 headquartered companies, followed by Aberdeen (1) and Ambleside (1).

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 310 verified decision-maker contacts tracked across these 41 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 19, 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.