Greenhouse PR

What Greenhouse PR does

Greenhouse Communications is a UK-based, employee-owned PR and communications agency founded in 2004 and headquartered in Bristol with a secondary London office. The firm operates as a full-service, climate-exclusive communications partner serving environmental NGOs, climate finance organizations, clean energy and infrastructure companies, international coalitions, sustainable businesses, and government programs. Its service portfolio spans insights and strategy, creative and content production, activation campaigns (including paid media, social media, media relations, thought leadership and SEO), and proprietary impact measurement through the in-house Impact Framework and The Impact Lab. A recent addition is Algorithmic Visibility Services that helps clients manage representation across LLMs, AI search engines and recommendation systems. The agency's revenue model is professional services delivered through project and contract engagements with mission-aligned clients; pricing is not publicly disclosed and the GTM motion is sales-led, combining direct outreach, climate-sector networking, referrals and presence at high-profile events (COP, Climate Week NYC, London Climate Action Week). Greenhouse became 100% employee-owned on 10 July 2025, formalizing a structure that prioritizes mission and long-term impact over external shareholder returns, and holds B Corp (since 2017), ISO 14001 and SBTi-verified net-zero credentials. The team grew from 30 to more than 50 employees in roughly one year, and named clients include Oceana UK, Wärtsilä Energy, Gresham House, Triodos Bank, GRIDSERVE, Business for Nature / The B Team, and the UK Government's Blue Belt Programme.

Name

Greenhouse PR

Legal name

Greenhouse Communications

Website

https://greenhouse.agency

Company type

Private

Founded year

2004

Operating status

Operating

Headcount range

11–50 employees

Short description

Greenhouse Communications is a UK-based, employee-owned PR and communications agency specializing exclusively in climate and sustainability. It serves environmental NGOs, climate finance institutions, clean energy companies and sustainable businesses with strategy, media relations, content production, paid media and impact measurement services.

Ownership category

akta.pro rank

Headquarters

HQ city

Bristol

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Marketing or Sales, Operations, Technology or R&D, Others

Revenue model

1. Communications and PR Services: Full-service communications agency providing insights, research, strategy, messaging, media relations, thought leadership, content production, paid-media, websites, events and email communications to climate and sustainability organizations.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels9 records

Core offering

Greenhouse Communications is a full-service public relations and communications agency that provides insights, research, strategy, messaging, media relations, thought leadership, content production, paid media, websites, events, and email communications exclusively to climate and sustainability organizations. Its services are organized into Insights & Strategy, Creative & Content Production, Activation Campaigns (media relations, paid media, SEO, social), Algorithmic Visibility for AI/LLM representation, and proprietary Impact Measurement through its in-house Impact Lab and Impact Framework.

Product overview

Greenhouse Communications operates as a full-service climate and sustainability communications agency offering integrated services across strategy, creative content production, digital campaigns, and impact measurement. The core offering consists of Climate and Sustainability Communications (PR, digital marketing, paid media, content, campaigns, SEO) supported by The Impact Lab for research and AI implementation. The agency delivers Insights and Strategy, Creative and Content Production, Activation Campaigns (including paid media and media relations), and proprietary Impact Measurement services. Algorithmic Visibility Services represent a specialized offering for managing organizational representation in AI systems. Greenhouse Morning News provides a daily curated news briefing as a client-facing content product. The portfolio is unified by the agency's proprietary Impact Framework for measuring real-world campaign outcomes.

Differentiator

Problem solved

Functional benefit

Brands

• The Impact Lab: A dedicated in-house team of researchers, creatives, analysts and performance specialists that accelerates the delivery of purpose-led campaigns through audience insights, bespoke research, AI implementation, digital tools and performance analysis.
• Greenhouse Morning News

Products and services

• Climate and Sustainability Communications Full-service communications engagement for mission-aligned climate and sustainability organizations, spanning PR, digital marketing, paid media, content, SEO, thought leadership, campaigns and brand strategy. Designed for environmental NGOs, climate finance institutions, clean energy companies, international coalitions, and sustainable businesses.
• The Impact Lab In-house team of researchers, creatives, analysts and performance specialists delivering audience insights, bespoke research, AI implementation consultancy, trends briefings, digital tools, and performance analysis to accelerate purpose-led campaigns.
• Greenhouse Morning News
• Insights and Strategy Services Strategic communications services including communications strategy development, messaging and narrative development, audience research, stakeholder mapping, analysis, brand strategy, positioning, and visual identity for climate-focused organizations.
• Creative and Content Production Creative services including copywriting, film and animation production, infographics, illustrations, motion graphics, visualisations, reports, white papers, toolkits, and annual reports for climate and sustainability clients.
• Activation Campaigns Activation services including digital advertising and paid media, social media strategy and management, media relations and press office, KOL engagement, thought leadership, media training, website design and SEO, and email marketing for climate-focused organizations.
• Algorithmic Visibility Services Strategic management of organizational information for AI engines, search engines and recommendation systems; includes narrative clarity, AI audits, optimization roadmaps, third-party trust-signal activation, monitoring, and employee AI training.
• Impact Measurement Real-time digital dashboards, performance analysis, and impact reporting through Greenhouse's proprietary Impact Framework for measuring real-world outcomes of purpose-led campaigns.

Quantifiable outcome

• 200+ articles, 17M coverage reach, 13 award nominations for single client campaign
• +4 more outcomes

Named customers17 records

Segments9 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability4 records

Feature1 record

Partnerships

Seven partnerships are on record, tiered minor and core.

• TorchboxminorOthersEmployee-owned company that inspired Greenhouse's move to employee ownership. Torchbox provided wisdom, time and advice along the journey.
• The GoodAgencyminorOthersEmployee-owned company that inspired Greenhouse's move to employee ownership. Provided wisdom, time and advice along the journey.
• SawdaysminorOthersEmployee-owned company that inspired Greenhouse's move to employee ownership. Provided wisdom, time and advice along the journey.
• RiverfordminorOthersEmployee-owned company that inspired Greenhouse's move to employee ownership. Provided wisdom, time and advice along the journey.
• BaxendalecoreImplementation/ SI/ Consulting PartnerEmployee ownership partners who guided Greenhouse through their employee ownership journey, providing knowledge and support throughout the transition.
• Conscious Food Systems Alliance (CoFSA)coreStrategic or Co-development PartnerUNDP-convened initiative focused on building inner capacities needed for food systems transformation. Greenhouse joined CoFSA as part of cultivating a more conscious approach to systems change.
• Sand In Your EyeminorStrategic or Co-development PartnerCreative artists who worked with Greenhouse on sand art installations for Fairtrade Fortnight and Surfers Against Sewage campaigns, including a 30x30m grass art piece and 50-metre sand art installation at Cayton Bay.

Scale indicators7 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• FleishmanHillard: FleishmanHillard is a global PR network with an established sustainability and purpose practice serving multinational enterprises. It competes for the same climate and ESG communications RFPs but operates at much greater scale and across many verticals.
• Havas PR: Havas PR is the global communications arm of Havas, with dedicated sustainability and purpose capabilities serving multinational brands. It is an incumbent player that increasingly competes with specialist agencies like Greenhouse on climate communications briefs.
• Edelman: Edelman is a global communications firm with a dedicated climate sustainability practice serving Fortune 500 corporates, NGOs, and policymakers. It is a broad incumbent offering overlapping sustainability communications capabilities as part of a much wider service portfolio.
• Ketchum: Ketchum is a global communications agency with sustainability and purpose offerings, including climate communications for corporate clients. It is a broad incumbent that Greenhouse competes against on larger enterprise sustainability mandates.

Direct peers

• Brands2Life: Brands2Life is a UK PR agency with a dedicated sustainability and purpose practice serving technology, energy, and environmental clients. It competes for the same climate-tech and clean-energy communications mandates as Greenhouse.
• Good Agency: Good Agency is a UK purpose-driven communications agency working with charities, NGOs, and social enterprises on campaigns and brand strategy. It overlaps with Greenhouse's NGO and climate-justice client segments and was even cited as inspiration for Greenhouse's employee-ownership move.
• Hope&Glory: Hope&Glory is a London-based purpose-led consumer PR agency working across sustainability, health, and social impact. It is comparable in scale and in its emphasis on purpose-driven brand communications for NGOs and sustainable businesses.
• Manifest: Manifest is a London-based creative communications agency focused on climate, social, and progressive causes, providing strategy, creative, and media relations. Its cause-led focus and London base make it a direct peer for mission-driven communications work.
• Futerra: Futerra is a London-based sustainability and climate communications agency offering strategy, campaigns, and content for purpose-led organizations. It is one of the closest direct competitors to Greenhouse in the specialist climate-comms space.

Emerging players

• M Booth: M Booth is an independent US-based communications agency with a purpose and sustainability practice serving brands, nonprofits, and foundations. It is a comparable emerging specialist in purpose-driven communications with geographic complementarity to Greenhouse.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/greenhouse-pr
• Instagraminstagram.com/greenhousecomms
• Xx.com/Greenhouse_PR

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Greenhouse PR