Company lists · Data refreshed September 2026
Top 25 Botanical and horticultural nonprofits based in the United Kingdom
RevenueBase identified 149 botanical and horticultural nonprofits headquartered in the United Kingdom as of September 2026 and tracks 1,848 professional contacts across them, including 680 with verified work emails. London is the largest hub.
This list covers botanical and horticultural nonprofits 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 15, 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 botanical and horticultural nonprofits based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 858 contacts → | ||||
Indirect evidence “We’re the UK’s gardening charity, helping people and plants to grow.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 2 | 83 contacts → | ||||
Partial evidence “Garden Organic is the UK's leading organic growing charity and has been at the forefront of the organic horticulture movement for over 60 years.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 3 | 78 contacts → | ||||
Indirect evidence “Plantlife is the global charity working to secure a world rich in wild plants and fungi.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 4 | 66 contacts → | ||||
Partial evidence “Botanic Gardens Conservation International (BGCI) is a membership organisation, representing botanic gardens in more than 100 countries around the world.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 5 | 34 contacts → | ||||
Indirect evidence “Founded in 2004, Global Generation is an educational charity that works together with local children and young people, businesses, residents and families in Camden, Islington and…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 6 | 33 contacts → | ||||
Partial evidence “The Botanical Society of Britain and Ireland is for everyone who cares about the wild plants of Britain and Ireland.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 7 | 25 contacts → | ||||
Indirect evidence “At the heart of English Lakeland, this is the perfect all weather attraction.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 8 | 19 contacts → | ||||
Indirect evidence “The Living Rainforest is an environmental services company based out of Wyld Court Rainforest Hampstead Norreys, THATCHAM, United Kingdom.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 9 | 17 contacts → | ||||
Partial evidence “Ball UK is a wholesale horticultural company based at West Adderbury, Near Banbury, Oxfordshire, United Kingdom.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 10 | 16 contacts → | ||||
Indirect evidence “Bankside Open Spaces Trust is an environmental and volunteering charity working to protect, preserve and enhance parks and gardens in London’s SE1 and surrounding areas.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 11 | 14 contacts → | ||||
Partial evidence “Established in 2010, Cultivate London is a West London-based social enterprise and environmental charity that uses horticulture and engagement with nature to improve community…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 12 | 14 contacts → | ||||
Indirect evidence “Communigrow is a sustainable food education charity and community garden based in a 2.4 acre field in East Malling.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 13 | 13 contacts → | ||||
Indirect evidence “Hayloft was established back in 1993 from a kitchen table, in a house, aptly named ‘The Hayloft’ by Yvonne Jarman, and since then, it’s been going from strength to strength!” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 14 | 12 contacts → | ||||
Partial evidence “Walworth Garden is a unique charity dedicated to changing lives through horticulture.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 15 | 8 contacts → | ||||
Indirect evidence “Great Dixter was the family home of gardener and gardening writer Christopher Lloyd – it was the focus of his energy and enthusiasm and fuelled over 40 years of books and articles.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 16 | 8 contacts → | ||||
Indirect evidence “We're the place to come to for know-how about therapeutic gardening, the art of using gardening to help people take care of their physical, emotional and social wellbeing.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 17 | 7 contacts → | ||||
Indirect evidence “Green Synergy is a Lincoln based charity that uses gardening as a way of supporting people come together to socialise, learn and thrive.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 18 | 6 contacts → | ||||
Partial evidence “Founded in 1910 in Tulse Hill, the South London Botanical Institute has a beautiful botanical garden and runs a wide range of courses, workshops, school visits and events for all…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 19 | 5 contacts → | ||||
Indirect evidence “Mires Beck Nursery is a hidden gem nestled in the heart of North Cave, East Yorkshire.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 20 | 5 contacts → | ||||
Indirect evidence “Everything you need to thrive, from seed to table.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 21 | 5 contacts → | ||||
Indirect evidence “Positive impact on people and the planet with plants.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 22 | 5 contacts → | ||||
Indirect evidence “Hulme Community Garden Centre is a unique blend of garden centre and community garden right in the heart of Manchester.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 23 | 4 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 24 | 4 contacts → | ||||
Indirect evidence “We are obsessed with greening up our surrounds, not only for aesthetic reasons but because we truly believe that plant care enhances our sense of wellbeing.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 25 | 4 contacts → | ||||
Indirect evidence “More Trees BANES is a registered charity that works hard to grow, plant and care for trees in our local area.” Source: RevenueBase Database · checked Sep 15, 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: botanical and horticultural nonprofits. 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 botanical and horticultural nonprofits.
- Partial evidence
- Its own public description names part of botanical and horticultural nonprofits, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name botanical and horticultural nonprofits. 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 149 botanical and horticultural nonprofits based in the United Kingdom
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Botanical and horticultural nonprofits based in the United Kingdom at a glance
As of Sep 15, 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 149 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 botanical and horticultural nonprofits, 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 “botanical and horticultural nonprofits”. 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 botanical and horticultural nonprofits), 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 botanical and horticultural nonprofits, 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, 680 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 15, 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.
Botanical and horticultural nonprofits by metro
- Botanical and horticultural nonprofits in London31
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 botanical and horticultural nonprofits, 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 botanical and horticultural nonprofits are there based in the United Kingdom?
RevenueBase identified 149 botanical and horticultural nonprofits 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?
Royal Horticultural Society, headquartered in London, tops this list with the largest team on record.
Which city has the most botanical and horticultural nonprofits?
London leads with 31 headquartered companies, followed by Manchester (4) and Oxford (3).
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 680 verified decision-maker contacts tracked across these 149 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 15, 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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