Offload your R&D claim to experts. Get back to building.

Why 350+ venture scale 
companies switched to Claimer

5 StarsTrustpilot Logo

5% fee - capped to £10k.

"Easy to use, most competitive pricing on the market"
Theo Margolius
COO, Otta

Backed by top investors

Project A
"I love the way Claimer are abstracting away the headaches and bureacracy for startups, so founders can focus on their customers and products."
Harry Briggs

More time and money
to build your business

11.2 hours

Average time saving


Average fee saving


Claims filed


Claims reduced

"Get your R&D tax refund fast, reliably and for a reasonable price."
Chris Priebe
CEO, Zelt

Don't just take our word for it

  • The product makes a complex process feel easy and straightforward. I'd recommend to anyone and no doubt we'll be continuing to use them for years to come.
    Carl Holloway
    Dealing with Claimer was a pleasure and Adam and Ben were incredibly helpful and knowledgeable throughout the process with a deep understanding of the R&D tax rules and claim process.
    David Kay
    David Kay
    Finance Director
    We had a super smooth experience with Claimer. Their innovative ways made the usual minefield much easier and actually a fun process. The team has been highly supportive and responsive too. 100% recommended!
    Tony Xu
    Tony Xu
    Founder & CEO
  • A big thank you to the amazing team at Claimer for all of their support with our R&D grant application. A very happy customer. I will recommend and use their service again.
    Alexander Blunt
    Alexander Blunt
    Great team, great service and really simple process. Completing the R&D details was really easy and the claim went through without a hitch. Definitely recommend these guys.
    Stuart McClure
    Stuart McClure
    So easy. Having been through this before with accountants that over complicated the process to justify their 20% fee, Claimer was a breath of fresh air.
    Will Verrill
    Will Verrill
Read more reviews on
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How it works


Initiate a claim in 10 minutes

Connect Xero, or easily import from any other account software, and add your collaborators.

We do all the work for you

Claimer’s expert tax and tech team maximise your claim by reviewing your financials & project, before writing the report and submitting it to HMRC.

You get paid

If you're due a tax credit or refund, the money is sent to you as soon as the claim is paid by HMRC, between 1-5 weeks later.
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