Company lists · Data refreshed November 2026

Top 25 Tree risk assessment services worldwide

RevenueBase identified 1,349 company matches for tree risk assessment services worldwide as of November 2026 and tracks 4,860 professional contacts across them, including 1,134 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for tree risk assessment services worldwide, 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. Country and city lists for tree risk assessment services follow the table.

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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,349Companies
4,860Contacts tracked
1,134Verified emails
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The 25 largest tree risk assessment services worldwide

Ranked by team size
Top 25 of 1,349 company matches for tree risk assessment services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchCary, NC, United StatesHQ recorded Nov 6, 2026n/a317 contacts →

Exact match

“HMI offers a national network of ISA certified arborists, credentialed tree care professionals, and outdoor property subject matter experts to assist insurance adjusters and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchChester, United KingdomHQ recorded Nov 6, 202651-200229 contacts →

Exact match

“Founded in 2005, Arbtech has grown into the UK's leading arboricultural and ecological consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBudapest, HungaryHQ recorded Nov 6, 202651-200109 contacts →

Exact match

“greehill is the predictive urban forest intelligence system for cities, moving urban forestry from reactive tree management to proactive infrastructure intelligence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchKent, CA, United StatesHQ recorded Nov 6, 202611-5072 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchExeter, United KingdomHQ recorded Nov 6, 2026201-50069 contacts →

Exact match

“Hi-Line is an arboricultural (tree surgery) company which originates back to 1998.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSan Bernardino, CA, United StatesHQ recorded Nov 6, 2026501-1,00061 contacts →

Exact match

“With over 40 years of experience as a tree services company, our team delivers an unwavering commitment to the success of our client-partners, through integrity, safety…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchUnited StatesHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“Evergreen Tree Care Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 2026201-50052 contacts →

Exact match

“Founded in by Matt Cathell, Gunnison Tree Services was built on hard work, listening to the needs of our clients and delivering results.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchShenley, United KingdomHQ recorded Nov 6, 2026201-50047 contacts →

Exact match

“Gristwood & Toms, a Nurture Group company, is a full service arboricultural business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchOakwood, GA, United StatesHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“AKA Tree Removal is a quality‐oriented organization specializing in low‐impact tree removal.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMerton, WI, United StatesHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“Wachtel Tree Science is a full service tree care company in operation since 1935.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMerced, CA, United StatesHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“American Tree Medics uses cutting edge techniques to manage, maintain and assess trees for private clients, commercial and public agencies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchClayton South, AustraliaHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“For nearly 20 years, Arborcraft has been the trusted partner for infrastructure project directors and local government authorities needing time-critical tree services that deliver…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 202651-20030 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWesterville, OH, United StatesHQ recorded Nov 6, 202651-20026 contacts →

Exact match

“Providing the best residential, commercial, and utility tree care and arboriculture resources in Ohio!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchChristchurch, New ZealandHQ recorded Nov 6, 202651-20026 contacts →

Exact match

“Treetech has been leading the way in urban forest management since 1996.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchGeorgetown, TX, United StatesHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“TMS is a Texas-based green industry consulting firm that provides real estate development, design, and property management professionals with planning, permitting, and tree…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBleskensgraaf, NetherlandsHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Nationale Bomenbank is al meer dan 50 jaar uw betrouwbare uitvoeringspartner voor alles wat met bomen te maken heeft.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchWirksworth, United KingdomHQ recorded Nov 6, 202611-5023 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAustraliaHQ recorded Nov 6, 202611-5019 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchRoswell, GA, United StatesHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“In business since 1993, Caldwell Tree Care provides a professional and knowledgeable tree care experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchHampshire, United KingdomHQ recorded Nov 6, 20261-1019 contacts →

Exact match

“We are an Arb Approved and CHAS compliant professional arboricultural company offering a complete package of tree services to both domestic and commercial clients across the South…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLinschoten, NetherlandsHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Hoogwaardig onderzoek, advies en het antwoord op al uw vragen op het gebied van bomenbeleid en bomenbeheer: Bomenwacht Nederland!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchO'fallon, MO, United StatesHQ recorded Nov 6, 202651-20018 contacts →

Exact match

“Hansens Tree Service is one of the most accredited tree service companies in the St.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchHarskamp, NetherlandsHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Professioneel beheer en onderhoud van bomen vraagt om expertise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,349 tree risk assessment services worldwide

See the full list, filter by size, metro and specialty, and access 1,134 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tree risk assessment services worldwide at a glance

As of Nov 6, 2026
23.3%Verified-email coverage
3.6Average contacts per company
1-10Median size (employees)
0.9%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
965
11-50
286
51-200
21
201-500
8
501-1,000
1

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for tree risk assessment services are linked below.
What qualifies
Company records worldwide whose business descriptions match “tree risk assessment 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. 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 1,134 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.

Tree risk assessment services by location

5 lists · largest first

Every Tree risk assessment services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “tree risk assessment services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tree risk assessment services are there worldwide?

RevenueBase identified 1,349 company matches for tree risk assessment services worldwide 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?

HMI tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most tree risk assessment services?

The United States leads with 509 companies, followed by the United Kingdom (311) and Australia (102). Every tree risk assessment services list by country and city is linked on this page.

Which city has the most tree risk assessment services?

London leads with 12 company records, followed by Melbourne (8) and San Jose (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 1,134 professional contacts with verified work emails tracked across these 1,349 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.

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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 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.