Find the right sustainability partners - faster.
A free, curated directory of trusted suppliers, consultants and technology providers across 20+ sustainability categories. Search, compare and connect - without the procurement spreadsheet.
Sustainability teams we work with spend weeks just finding the right partner - whether it's an independent consultant for CSRD, a certified waste operator for their UK sites, or a niche product LCA specialist. The market is fragmented across directories, LinkedIn posts and word-of-mouth. The ESG:ONE Marketplace consolidates the best of these providers into a single, curated directory - structured by the same impact areas and taxonomy our platform uses.
Why the ESG Marketplace
Whether you're a buyer wanting clarity or a supplier wanting reach, the marketplace is built to make the match quicker and more trustworthy.
Every listing is manually reviewed. Claimed profiles are maintained by the providers themselves, so buyers can rely on up-to-date products, pricing and contact information - and suppliers get a verified home for their sustainability credentials.
Every provider is manually reviewed before listing. Claimed profiles carry a verified badge that buyers can trust.
From carbon offsets and renewable energy to legal, training and recruitment - all in one searchable, filterable place.
Searching, comparing and contacting providers is free. No lock-in, no account required to browse.
How the Marketplace Helps
Find partners faster
Skip the endless LinkedIn searches. Filter by impact area, audience, geography and certifications to find providers that match your programme in minutes, not weeks.
Compare with confidence
See indicative pricing, notable clients, certifications and coverage side-by-side - the information procurement teams actually need before a conversation.
Trust what you see
Claimed profiles are maintained by the providers themselves, with a verified badge. Unclaimed profiles are clearly marked and compiled from publicly available information.
Contact without friction
Reach out to any provider through one consistent contact form. We route your enquiry to the right person and keep the record for your team.
Built for procurement
The taxonomy mirrors the one ESG:ONE uses for opportunity assessments and supplier audits - so the shortlist you find here plugs straight into your supplier programme.
Claim & maintain
Providers can claim their profile, keep details current and get discovered by buyers actively looking for ESG partners - without the cost of a booth at a conference.
What's in the Marketplace
Twenty-plus curated categories covering the full sustainability stack - from strategy and certification through to operational tools and niche specialists.
Strategy & Assurance
- Consultancy & advisory - boutique and enterprise firms with specialisms listed, from CSRD readiness to materiality assessments
- Certification & assurance - ISO, B Corp, SBTi validators and third-party auditors
- Legal & regulatory - specialists in sustainability law, supply-chain compliance and EU CSRD implementation
- Training & education - certifications, workshops and in-house learning programmes
- ESG recruitment & talent - firms placing Heads of Sustainability, ESG analysts and carbon specialists
Operations & Supply
- Carbon offsets & credits - registries, project developers and verifiers you can trace to source
- Renewable energy providers and PPA specialists, plus solar / wind / EV charging installers
- Sustainable materials & packaging - FSC, recycled, bio-based and reusable solutions
- Waste management, water & wastewater and environmental engineering providers
- Niche specialist tools - emissions calculators, LCA platforms, data providers and anything else that doesn't fit a box
How the Claiming Process Works
We compile listings from publicly available information, then give providers the chance to take ownership, correct details or opt out entirely.
We compile
Our team builds a public profile from website, press and public data. No data is purchased or scraped from private sources.
We reach out
Each provider receives a personalised invitation with links to claim, correct or opt out - or book a short call with our team.
You claim
Verified owners can edit details, add products, upload pricing and earn a verified badge that buyers can trust.
Or opt out
Not interested? One click to request removal. We confirm within two working days and take the listing down.
Frequently Asked
How do I get my company listed?
If you've received an invitation email from us, follow the link in that email to claim and edit your profile. If you haven't been contacted yet, drop us a line and our team will review your company for inclusion.
Is the marketplace really free to use?
Yes - browsing, searching and contacting providers is always free. Providers listed on the marketplace are also eligible for a discounted ESG:ONE platform subscription.
I don't want my company listed. How do I opt out?
Follow the opt-out link in the invitation email we sent. If you can't find it, email noreply@esg-one.co with your company name and we'll remove it within two working days.
Who maintains the listings?
Unclaimed profiles are maintained by the ESG:ONE team using publicly available information. Claimed profiles are maintained by the provider themselves - so they're always first-party accurate.
Related
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Learn moreESG:ONE Platform
The end-to-end ESG platform that powers the marketplace - metrics, data collection, disclosures and opportunity assessments.
Learn moreReady to explore?
Browse the full directory - no account, no sign-up, no spreadsheet required.