Added-value Services for Your Clients
For environmental consultancies and carbon accounting companies looking to offer an added-value service — offsetting residual emissions on behalf of clients — Carbonmark makes it effortless, transparent, and impactful.
Whether you're helping a multinational meet ESG targets or a small business reduce its footprint, we give you the tools to find the right carbon credit for every need — all in one place.
Act on your clients' behalf by naming them as the beneficiary of the retirement, and customize the retirement message to match their reporting or communications needs.
Why Partner with Carbonmark?

Deliver Real Impact
Carbonmark’s featured carbon projects represent rigorously vetted carbon credits, ensuring that every tonne retired represents a real, measurable, and lasting impact. All projects on our platform receive internationally recognized third-party certification & verification.

Save Time
Easily search and filter over 150 verified projects by country, project type, SDG alignment, or registry. Buy credits and receive certificates — in minutes, not weeks.

Choose from a Wide Range of Projects
Carbonmark offers credits from 150+ projects across 20+ countries, spanning nature-based solutions, renewable energy, cookstove programs, methane capture, and more.

Find the Price to Fit Every Client
Support clients with a wide range of budgets — from less than $1 per tonne to up to $500+ per tonne for novel credits leveraging innovative technology — ideal for those wishing to build diverse carbon portfolios across a range of budgets.

Build Trust
Each project is independently verified and comes with detailed documentation, so you and your clients know exactly what you're supporting.

Receive Instant Retirement Certificates
Retirements happen in real time, and every offset comes with an instantly delivered certificate — perfect for use in ESG reports, CSR campaigns, or public disclosures.
Choose From Diverse Carbon Projects
Explore a global selection of 160+ verified carbon projects across 20+ countries, spanning diverse methodologies and leading carbon registries. Whether you're looking to buy carbon credits from nature-based solutions, renewable energy, or community-driven initiatives, Carbonmark provides a transparent and easy way to support projects that align with your sustainability goals.
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Fund Ocean Alkalinity Enhancement in Italy
Limenet is an Italian climate tech startup pioneering carbon removal through its patented pH-equilibrated Ocean Alkalinization technology. By mimicking natural processes, Limenet permanently stores CO₂ in seawater as calcium bicarbonates.
Price per tonne:
$680.00
Tonnes available:
15

Support Organic Waste Composting in the USA
The Black Earth Organic Waste Compost project in Massachusetts, USA, is an organic waste composting initiative operational since December 1, 2021, diverting food waste from landfills to reduce 7,000 tCO2e annually.
Price per tonne:
$19.50
Tonnes available:
5,800


Drive Paraguay’s Reforestation
The Forestal Río Aquidabán project is restoring 301 hectares of degraded grasslands in Concepción, northeastern Paraguay, through a silvopastoral agroforestry system that integrates reforestation with sustainable cattle ranching.
Price per tonne:
$20.23
Tonnes available:
1,500
Carbon Offsetting Made Simple
At Carbonmark, we remove the barriers to trusted climate action. Our platform is designed for professionals who need speed, flexibility, and assurance — without sacrificing integrity.
Can’t find the right credits for your client?
If you haven’t found carbon credits that meet your client’s specific needs, we can offer access to a broader range of high-quality credits through our trusted network of project developer partners. Reach out to our Solutions team to explore tailored options and get expert support.

