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Top 5 Legitimate Carbon Offset Companies

Looking to offset the environmental impact of your promotional vehicle campaign? It makes sense, especially in today's world where customers expect you to do your bit for the environment. But going green isn't always easy, so some brands turn to carbon offset companies to show that they care.

Read on to see trusted firms that will offset your campaign's impact, which is done via carbon credits that negate the negative effects.

What legitimises a carbon offset company?

A legitimate carbon offset company mitigates your carbon emissions by using your donations to fund decarbonisation or similar environmentally friendly projects.

It all comes down to actually performing the service you're paying for and not putting your cash into planting a tree that'll only be marked for logging a few years later.

They should instead make a contribution that wouldn't happen without you, be quick to show their work, and provide valid certificates.

What certificates should an offset company have?

B Labs home linkB Corp certification is considered a must in offsetting. A B Corp company is verified by B Lab to meet high standards of social and environmental performance, transparency and accountability.

Verified Carbon Standard Logo

It's important to look for companies that use third-party certification programs, such as Verified Carbon Standard, Gold Standard, and Green-e Climate Standard. These confirm projects exist and you’re not wasting money.

Now, lets dive in to the top 5 legitimate carbon offset companies...
 

1. Native Energy

Native Energy Logo

Native are one of the best options for offsetting. Around since 2000, Native has plenty of awards that speak volumes in terms of experience and honesty.

They also have some useful tools for the less familiar, including a calculator that lets you ballpark your environmental impact and the financial cost of offsetting it.

For further transparency, Native Energy provides information on how it assesses additionality. This proves that a buyer making a real difference to the status quo.

2. Ecologi

Ecologi logo

Founded in 2018, Ecologi has risen over time thanks to its simple and honest approach to offsetting.

The company is B corp certified and won B Lab’s Best For the World Company Award for Governance and Environment in 2022.

Ecologi is a United Nations decade on Ecosystem Restoration 2021-2030 Actor, and all projects are certified by the Verified Carbon Standard and Gold Standard. The company also has a stellar rating in Trustpilot.

Ecologi was used by Hush to offset carbon emissions from their live campaign.

3. 3 Degrees

Another great option, especially for businesses. Specialising in industry and utilities, they've supported the launch of the first voluntary community solar programs in the US.

3 Degrees has received numerous accolades over the years, notably receiving B Lab’s best for the world award in 2013, 2016 and 2017. It was also recognised by the Climate Action reserve for leadership in 2010 and 2016 and offset development in 2016.

4. Clear

Clear logo

Clear has strived for excellence over two decades. The website features handy calculators, though these are intended for individuals rather than businesses.

The company claims to be the first in the world to be independently certified by the QAS, which audits organisations such as the VCS, GS and UN Framework on Climate Change.

The company has continued to exceed QAS standards and recently attained B Lab certification.

5. EcoTree

EcoTree is a reforestation company, founded in 2016. It's since risen in popularity thanks to an innovative model and transparent ethos.

Clients essentially invest in sustainable forestry, purchasing trees that will eventually be cut down. The money sawmills pay EcoTree to cut these trees is used to buy more land and plant more trees overall, with three planted for each one felled.

Want to run a sustainable campaign?

If you're unsure about carbon offsetting, then you can always talk to us about ways to make your campaign as green as possible. 

We've helped clients like BiOrbic to do exactly that, providing power options like lithium batteries and eco-friendly vehicle films – and that's just to start. This approach has even won us gold at the 2025 FMBE awards!

Click below to see how you can run your campaign while caring for the environment.