Standalone compliance service — no ongoing engagement required.
Need a full finance team? See Fractional Finance →R&D Tax Relief & Patent Box
Most tech founders leave £10k–£100k on the table in unclaimed R&D Tax Credits and Patent Box relief. In 60 seconds, discover how much your company could be saving.
Real Examples
SaaS Company
Total annual saving
£62,500/year
“We were just filing taxes. Reckonwell found £62k we didn't know existed.”
— Sarah T., Founder
Hardware / Robotics
Total annual saving
£115,000/year
“That's salary, hiring, growth.”
— James W., CEO
Biotech Startup
Total annual saving
£36,000/year
“Early stage, every penny matters. This extends our runway.”
— Priya M., Co-founder
These are real. These are current. The numbers depend on HMRC qualifying your activities — that's where we come in. We handle the technical narrative, valuations, and filing so you get the relief.
Interactive Calculator
Your company's annual revenue or turnover
Salaries for engineers + software, hardware development, testing, IP development
Revenue from products/services using patented IP (leave blank if none)
Company Size
£—
Enter your details and click Calculate
Our Process
We review 12 months of your R&D spend to identify which activities and developers qualify. We categorize what counts vs. what doesn't.
⏱ 1–2 weeks
We calculate your potential relief, show you the number, and discuss timing. No surprises.
⏱ 1 week
We submit everything to HMRC with full documentation. We monitor for queries and respond on your behalf.
⏱ Filed within 30 days. HMRC response typically 4–8 weeks.
FAQ
The calculator gives you a number. We'll turn that into real money. Step 1: Use the calculator above. Step 2: Enter your details. Step 3: We send you a full breakdown + next steps. No obligation. No credit card. Just clarity.