Commerce · alternatives · 2026

24 alternatives to Claimer

Hassle-free R&D tax credits for UK startups

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Claimer launched in 2021; newer entries below may have overtaken it.

1. 1
   MainStreet▲540

   Founders: You're owed $50K. Get it back in 20 minutes 🤝

   2020 · mainstreet.com · its alternatives →

2. 2
   neo.tax▲161

   automated R&D tax credits for startups = extra month of burn

   2020 · neo.tax · its alternatives →

3. 3
   neo.tax 2.0▲198

   10 minutes could save your startup 10% or more on payroll

   2021 · neo.tax · its alternatives →

4. 4
   R&D tax credit calculator▲66

   Calculate your R&D tax credit estimate in under 60 seconds

   2018 · highpeakaz.com · its alternatives →

5. 5
   RDvault R&D Tax Credits Claim Estimator▲15

   Slow your UK startup’s burn rate in five minutes

   2020 · rdvault.co.uk · its alternatives →

6. 6
   TaxWorkz.co.uk▲12

   UK R&D Tax Relief made easy

   2025 · taxworkz.co.uk · its alternatives →

7. 7
   Fondo▲282

   Automatically get $ back from the IRS— avg startup gets $21k

   2022 · fondo.com · its alternatives →

8. 8
   MainStreet: 1 Min Tax Extension▲94

   Extend taxes & gain up to $250K in startup tax credits

   2020 · mainstreet.com · its alternatives →

9. 9
   TaxGPT▲214

   Your AI tax assistant, file your taxes for only $50

   2024 · taxgpt.com · its alternatives →

10. 10
    Simple R&D Tax Calculator (HMRC/UK)▲2

    Free online r&d tax credit claim calculator

    2020 · its alternatives →

11. 11
    Inkle's Free Form 7004▲92

    Extend your US startup's IRS tax deadline by 6 months

    2023 · inkle.ai · its alternatives →

12. 12
    Brex 1-Click Accounting by Puzzle's API▲201

    The fastest way to do accounting

    2025 · brex.com · its alternatives →

13. 13
    TaxZap▲81

    File your UK Self Assessment in 15 minutes with AI

    Apr 2026 · taxzap.com · its alternatives →

14. 14
    Pilot R&D Tax Credit▲9

    Save your business up to $250k with the R&D tax credit

    2020 · pilot.com · its alternatives →

15. 15
    Taxnova▲68

    R&D Tax Credits for Tech Companies

    Apr 2026 · taxnova.ai · its alternatives →

16. 16
    Tax Extension & Startup Tax Plan▲176

    Your startup taxes on autopilot

    2024 · fondo.com · its alternatives →

17. 17
    The rad app▲6

    Claim your R&D tax credit insanely fast.

    2017 · theradapp.com · its alternatives →

18. 18
    GetDynasty▲109

    Exit tax-free using Trusts. For startup founders.

    May 2026 · getdynasty.com · its alternatives →

19. 19
    Same-Day Startup Funding by Paintbrush▲167

    Apply, get approved, and get a $50k startup loan in one day

    2023 · its alternatives →

20. 20
    Instant VAT Refunds▲4

    UK businesses receive their VAT refunds within 60 mins

    2023 · adsum-works.com · its alternatives →

21. 21
    Brex Rewards▲115

    The most valuable rewards program for startups

    2018 · brex.com · its alternatives →

22. 22
    Segment Startup Program▲59

    New startups now get $25,000 of free Segment credit

    2019 · twilio.com · its alternatives →

23. 23
    KP Pay Start▲101

    Online assistant at starting your tax efficient business

    2024 · its alternatives →

24. 24
    Sell In Public Challenge▲79

    +125 founders with 180 days to build & sell on MicroAcquire

    2021 · sellinpublic.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →