Why choose Harper?
Harper combines automation, human expertise, traceability and a success-fee model to secure your R&D withholding tax files.
Why Harper?
Recovering R&D payroll tax should not force you to choose between expert advice and simple tooling. Harper brings both together.
Simpler
An intuitive interface that replaces the Belspo website and the paperwork around it.
Smarter
Smart automation combined with human expertise to build stronger files.
Safer
A complete history and a Belspo-ready audit against the four criteria, ready for review.
More profitable
Better-quality files designed to maximize the amount recovered.
Accessibility & autonomy
File quality & security
Indicative positioning
If you do not recover, neither do we.
Our compensation is a percentage of what you recover, so our incentives stay aligned with your result. A minimum package applies to very small organizations.
Precise pricing is shared after a 30-minute demo.
Ready to recover what belongs to you?
A few minutes are enough to uncover your company’s potential.