Buy carbon credits and removals
Buy reduction and removal credits from the top 5% of projects on the market. We handle project selection, contracting and delivery, with complete documentation for your audits.
What we cover
Project selection
Our team has screened 6,200+ projects using the Sustainability Integrity Index. We assess 600+ data points alongside independent ratings. Only the top 5% qualify.
Contracting and delivery
One contract covers every project in your portfolio. We retire the credits in your name and provide the registry records.
Audit documentation
You receive a Project Integrity Report for each project, registry and retirement records, and the methodology and rationale behind each selection. We also provide the information you need for CSRD ESRS E1‑7 reporting.
What we offer
Blended portfolio
A portfolio built around the Oxford Principles. Reduction credits make up the largest share today, while the share of durable removals grows each year.
Best suited to companies addressing Scope 1 and 2 emissions within a defined budget, including those with a large operational footprint.
- Forest protection (reduction)50%
- Afforestation and reforestation (nature-based removal)30%
- Biochar (durable removal)15%
- Direct air capture (durable removal)5%
Removal-only portfolio
Nature-based and engineered removals from the most sought-after projects on the market.
Best suited to companies addressing Scope 1 and 2 emissions, planning for residual emissions at net zero, or allocating a larger budget to removals.
- Soil carbon30%
- Afforestation and reforestation20%
- Biochar30%
- Enhanced rock weathering10%
- Direct air capture10%
Individual projects
Buy credits for delivery now or secure future supply through an offtake agreement, at prices below market rates.
Best suited to companies sourcing individual projects through a request for proposal (RFP).
Exomad Green
The world’s largest biochar project, sequestering up to 200,000 tonnes of CO2 annually.
Purchase options
Every portfolio is available as a spot purchase for delivery this year or through a multi-year offtake agreement.
Not sure which option fits your needs?
Talk to an expert
Pricing
Every proposal lists the project price and Senken’s fee separately, so you can see exactly how much goes to the project developer.
- €8–€25 per tonne
High-quality nature-based reduction credits
- €20–€80 per tonne
Removals with shorter-lived storage
- €100–€400 per tonne
Durable removals, including biochar, enhanced rock weathering and direct air capture
- From €25 per tonne
A blended portfolio of reduction and removal credits, built around the Oxford Principles
Planning for SBTi?
Understand the volumes, costs and timelines for ongoing emissions responsibility and future carbon removal requirements.
Explore our SBTi solutions
The process
- Week 1
Briefing and shortlist
Tell us your volumes, budget and quality requirements. We build a shortlist from the top 5% of projects we have assessed.
- Week 2
Due diligence
Review the full due diligence report and external ratings for every project on your shortlist.
- Week 3
Contract
Sign one contract for the whole portfolio, with each project’s price and Senken’s fee listed separately.
- Ongoing
Retirement and monitoring
We retire the credits in your name and provide registry records, CSRD reporting information and project marketing assets. You can follow project performance in the Senken platform.
From brief to shortlist in one week
Tell us your volumes, budget and quality requirements. We’ll come back with a shortlist.