✦ Automated and secured R&D payroll tax recovery

Recover your R&D payroll tax exemptionwithout the complexity

Harper automates and strengthens your R&D payroll tax exemption file, from data collection to Belspo submission

or estimate my recovery in 30 seconds
Harper interface preview
Harper

Home

Files

Documents

Report

Audit

Submit an R&D project through Belspo

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Submit to Belspo

R&D file 2028

Quality score

General info

Project details

R&D activities

Project title

Scientific objective

Assigned R&D staff

Relevant period

Belspo compliant

Ready for audit

Audit report

4 criteria checked

Ready to submit

Reviewed by an expert

Estimated annual recovery

€102,816

A+

Belspo ✓

Harper + human expertise

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.

Harper positioning matrixTraditional consultantSoftware without expertAccountant / social secretariatLe bon compromisHarper

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.

Concrete results at scale

Every year, Harper helps clients secure and maximize their R&D payroll tax exemption.

+€20M

savings implemented every year with the tax administration

+100

files validated each year

+15,000

researchers audited per year

+1,000

active users

+300

clients trust us

+40%

file quality and time saved

How it works

1

Collect

Documents, timesheets and diplomas are centralized and analyzed automatically.

2

Automate

Logan generates timesheets, while the Harper agent interviews your R&D teams.

3

Secure

Data checks, tailored rules and an automated exemption audit strengthen the file.

4

Recover

Finalized file, calculated amount and report ready for submission.

A complete platform

Harper covers every step, from collection to audit. Logan, its plug-in, automates what is still handled manually today

Simplified Belspo submission

Submit projects without going through the Belspo website. Every change is tracked.

All evidence centralized

Projects, interviews, staff, diplomas and technical documents are imported, analyzed and summarized.

Frictionless interviews

A dedicated consultant or Harper assistant interviews your R&D staff without long forms.

Technical documents analyzed

Automatic extraction of the essentials: quality, summary and identified projects.

Intelligent data diagnostics

Automatic detection of inconsistencies between sources, with manual correction when needed.

Custom rules by experts

The right R&D rate by project, team or period, configured by our specialists.

Automated exemption audit

Checks Belspo criteria and generates an audit report ready to submit.

What about timesheet entry?

That is Logan's job, below.

Harper plug-in included

Logan, your timesheets on autopilot

Logan connects to the digital tools you already use, captures activity throughout the day and generates accurate, complete timesheets without manual entry.

Connects to your tools without heavy installation

Collects activity automatically, day after day

Timesheets ready to feed into the Harper file

Logan

Week 14

Timesheets

Mon

7.5 h

Tue

8 h

Wed

6.5 h

Thu

in progress

Fri

upcoming

Continuous connection

No manual entry

Timesheet generated

37.5 h

100% automatic

LOGAN CONNECTS TO YOUR TOOLS

Microsoft 365 Admin

Microsoft Graph

GitHub

Jira

Emails

Calendars

Project management

Code repositories

GitLab

Outlook

Google Workspace

Azure DevOps

Microsoft 365 Admin

Microsoft Graph

GitHub

Jira

Emails

Calendars

Project management

Code repositories

GitLab

Outlook

Google Workspace

Azure DevOps

Human expertise behind automation

Harper relies on a network of innovation funding experts, specialized firms in R&D tax, science and Belspo compliance, to secure and maximize every file.

Expert group photo

Our network

Forecast
EIF Innovation
Our core sectors — starting with IT and Pharma/Biotech

IT

Pharma / Biotech

Engineering

Software

Energy

350 years

combined expertise

28

experts in the network

No cure, no pay

support included in case of review

Estimate your recovery in 30 seconds

A first free estimate, with no commitment

Number of researchers / R&D staff

24

Average gross monthly salary (€)

4 500 €

Share of time spent on R&D

36%

Estimated annual recovery

93 176 €

Indicative estimate based on an 80% exemption of the payroll tax linked to the R&D share. The actual amount depends on Belspo eligibility.

What supported companies say

We recovered far more than internally, and the file was ready for review.

R&D Director, software company · 45 FTE

No more manual Belspo entry: everything now starts from our timesheets.

CFO, biotech spin-off · 18 FTE

More transparent, and cheaper than our former consultant.

CEO, engineering firm · 12 FTE

Frequently asked questions

Ready to recover what belongs to you?

A few minutes are enough to uncover your company’s potential.