01633 860 021 hello@zest.tax

About Zest R&D

Zest are specialist R&D Tax Credit advisors, based in South Wales, but operating throughout the UK. We are experts in managing Research & Development tax credit claims, and helping companies plan to innovate and grow.

Our purpose is to help companies do good things and reach their potential using R&D Tax Relief.

We want to make R&D Tax Credit claims as easy as possible for our clients. That means we do all the heavy lifting, and use our specialist knowledge to ensure you claim all of the tax relief you are due. We think this approach is why our clients consistently rate us with 5 stars on Google reviews. Check out our testimonials to see.

If you choose to work with us, we want you to know what to expect. That’s why we make a few promises.

No win no fee

Contact us for a free consultation.

Zero tie ins

We don’t make you sign any long term contracts.

100% success rate

We’ll defend any claim challenged by HMRC.

Research and Development could be the most powerful tool we have in resolving the ongoing climate crisis. At Zest, we want to do everything we can to reduce the impact humans are having on our planet. Not only by making our operations carbon positive, but also by working with and actively supporting companies that are using R&D to make their sector greener.

Adam Park – Zest R&D Director

We’re proud to have a climate positive workforce, thanks to our partnership with Ecologi.


Discount for Projects Targeted at Reducing Carbon or Waste*

We want to help companies that are helping the planet.

If you’re considering R&D targeted at reducing carbon emissions, designing green solutions, or reducing wase, get in touch.

*for Terms and Conditions of this offer – refer to this page.

Zest R&D’s Values

What drives us is more than just providing oustanding R&D Tax consultancy. Our values are the basis of how we operate here at Zest R&D. They guide us in how we behave, day-in-day-out. 

Talk Straight

You can rely on us to always be honest and direct. That means our clients, partners and anyone else we deal with can trust and rely on us.

Be a Force For Good

We’re on a mission to help companies utilise R&D as a tool to make the world a better, greener place.

Build Partnerships

We aim to partner with our clients over the long term, helping them to plan, grow and improve as a business, so we can grow with them.

Want to estimate your R&D tax credits savings?

RD Tax Credits

Think Zest R&D could help you?

We make R&D tax credits and claims simple. Get in touch to speak to one of our specialist tax advisors.