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Why developers choose Rainbow)
Trust and recognitionEndorsed by ICROA and aligned with leading industry standards.)
Commercial relevanceDesigned to issue buyer-aligned credits, and unlock access to major marketplaces.)
Efficient processesGet certified in under 3 months — 20x faster than traditional standards.)
Field engineering experienceOur engineers understand and assess projects with a practical, grounded perspective of how things truly work.)
Flexible designOur models and tech continually improve to support the latest industry developments.Meet Rainbow Arc, our certification platformRainbow Arc is our fully integrated certification platform, guiding you from start to finish, from the standard to the registry. Project certification becomes simpler, 20x faster, and more transparent, at 3x lower costs than traditional solution. Learn more here.Get started)
A partner, not just a platform)
A dedicated team and
collaborative processYou'll be supported by a dedicated certification team that understands your project, challenges, and goals. We visit project sites, care deeply, and actively help you succeed.)
Combining scientific rigour
with industrial expertiseRainbow is built on modular methodologies designed by our experienced engineers and scientists to match the reality of industrial processes, helping reduce manual work and overhead.)
Commercial alignmentWe help shape your credit story around what buyers care about — so your certification isn’t just valid, it’s valuable. From methodology fit to proof point positioning, we co-create credits that sell.Who you'll work with)
Clément GeorgetCo-founder & Chief Product & Technology OfficerA graduate of Centrale Paris and TU Berlin, Clément brings deep expertise in industrial processes and project management from his previous career.He leads policy and technical topics, and designs processes and tools that streamline the certification journey for project developers.)
Erica DorrPhD – Science LeadA PhD graduate from Université Paris-Saclay, with prior studies at AgroParisTech and UC Berkeley, Erica brings deep scientific expertise with a strong foundation in environmental sciences.Erica leads the development of carbon methodologies and serves as the technical expert on lifecycle assessment and related topics, helping project developers navigate the scientific requirements of certification.)
Samara VantilCertification Operations LeadAn engineer specialized in energy and eco-design, Samara has also lectured on Life Cycle Assessment at IMT Atlantique, combining technical expertise with pedagogical clarity.Samara leads certification operations, guiding project developers from onboarding through to carbon credit issuance with tailored, hands-on support.)
Grégoire GuiraudenCo-founder & Chief Commercial OfficerA graduate of HEC Paris, Grégoire brings strong experience in customer relationship management and business development.He leads the partnerships team, supporting project developers throughout their journey and connecting them with buyers on the carbon market.)
Ai-Ling Nguyen BonnetCarbon Operations AnalystAn environmental engineering graduate from Centrale Supelec, Ai-Ling focused her curriculum on sustainable engineering.She supports project developers throughout the certification journey — from onboarding to credit issuance — with tailored, hands-on guidance.)
Felicity BushProjects Partnerships ManagerWith over a decade in renewable energy, BECCS and carbon markets, Felicity brings expertise in customer experience and business development.She leads global project partnerships, working with project developers on their certification journey, from eligibility scoping to onboarding.
Clément GeorgetCo-founder & Chief Product & Technology OfficerA graduate of Centrale Paris and TU Berlin, Clément brings deep expertise in industrial processes and project management from his previous career.He leads policy and technical topics, and designs processes and tools that streamline the certification journey for project developers.Erica DorrPhD – Science LeadA PhD graduate from Université Paris-Saclay, with prior studies at AgroParisTech and UC Berkeley, Erica brings deep scientific expertise with a strong foundation in environmental sciences.Erica leads the development of carbon methodologies and serves as the technical expert on lifecycle assessment and related topics, helping project developers navigate the scientific requirements of certification.Samara VantilCertification Operations LeadAn engineer specialized in energy and eco-design, Samara has also lectured on Life Cycle Assessment at IMT Atlantique, combining technical expertise with pedagogical clarity.Samara leads certification operations, guiding project developers from onboarding through to carbon credit issuance with tailored, hands-on support.Grégoire GuiraudenCo-founder & Chief Commercial OfficerA graduate of HEC Paris, Grégoire brings strong experience in customer relationship management and business development.He leads the partnerships team, supporting project developers throughout their journey and connecting them with buyers on the carbon market.Ai-Ling Nguyen BonnetCarbon Operations AnalystAn environmental engineering graduate from Centrale Supelec, Ai-Ling focused her curriculum on sustainable engineering.She supports project developers throughout the certification journey — from onboarding to credit issuance — with tailored, hands-on guidance.Felicity BushProjects Partnerships ManagerWith over a decade in renewable energy, BECCS and carbon markets, Felicity brings expertise in customer experience and business development.She leads global project partnerships, working with project developers on their certification journey, from eligibility scoping to onboarding.)
Steps to certification01QuantifySubmit project data on the Rainbow platform to calculate carbon credits and their associated co-benefits02ReportUpload data to set up a detailed project description and design the project monitoring plan03AuditExternal, independent audits validate your projects and verify credits throughout the project's life04IssueOnce verified, credits are issued on the Rainbow registry05SellYour credits are now available for purchase through our expanding network of strategic partners.Hear from certified project developers)
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We’re proud that Tera is the first project in Africa to be validated under the Rainbow standard.Beyond the high integrity, quality, and established recognition of the Rainbow methodology, the support provided by the Rainbow team throughout the certification process has been immensely valuable — making it a smooth and highly effective journey. Just as importantly, their continued support in bringing our credits to market has been instrumental.Rob PalmerCEO of Tera)
Releaf is proud to be among the pioneering biochar projects in Africa certified under the Rainbow standard. The process brought both credibility and clarity thanks to the deep expertise of the Rainbow team. Their support throughout the journey - from methodology alignment to final validation - was rigorous yet collaborative. We’re excited to continue partnering with Rainbow to bring high-integrity credits to market.Ikenna NzewiCEO @ Releaf
We’re proud that Tera is the first project in Africa to be validated under the Rainbow standard.Beyond the high integrity, quality, and established recognition of the Rainbow methodology, the support provided by the Rainbow team throughout the certification process has been immensely valuable — making it a smooth and highly effective journey. Just as importantly, their continued support in bringing our credits to market has been instrumental.Rob PalmerCEO of TeraReleaf is proud to be among the pioneering biochar projects in Africa certified under the Rainbow standard. The process brought both credibility and clarity thanks to the deep expertise of the Rainbow team. Their support throughout the journey - from methodology alignment to final validation - was rigorous yet collaborative. We’re excited to continue partnering with Rainbow to bring high-integrity credits to market.Ikenna NzewiCEO @ Releaf