Claimer & Xero

Claimer combines its streamlined platform with expert R&D advisors to ensure your claim is maximised and defensible.

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Connect Claimer with Xero to make claiming R&D tax relief lightning fast.

Trusted by more than 200 startups, big and small

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21st century R&D claims

Hassle-free, automated data-entry: connect your accounting software
Expert advisors: tax and technology specialists produce your claim
Lifetime assurance: 100% success rate, claim defence included
Transparent low fee: capped fee with no lock-in contract
Adam McCann
Not your ordinary R&D tax consultancy
Claimer's founder tells our story

An industry leading team that delivers

You're in safe hands with Claimer: our tax and technology experts build your claim and handle all communication with HMRC.


Success rate


Claims reduced


Average fee saving

How it works


Connect to Xero

All the relevant costs are listed for you automatically. Add them in a single click alongside your project information.

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.

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
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About Xero

Xero is a world-leading online accounting software built for small business.

Get a real-time view of your cashflow. Log in anytime, anywhere on your Mac, PC, tablet of phone to get a real-time view of your cash flow. It’s small business accounting software that’s simple, smart and occasionally magical.

Run your business on the go. Use our mobile app to reconcile, send invoices, or create expense claims - from anywhere.

Get paid faster with online invoicing. Send online invoices to your customers - and get updated when they’re opened.

Reconcile in seconds. Xero imports and categorises your latest bank transactions. Just click ok to reconcile.

Find out more or try Xero Accounting Software for free.

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