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Make your WBSO claim RVO-defensible

The WBSO incentive captures R&D labor costs from day one. Clusterix makes every milestone audit-ready, built into your workflow, not reconstructed later.

Phil Gebauer

Phil Gebauer

Partner & Teamlead Innovation Consulting
WBSO application filed on time, every time

WBSO application filed on time, every time

Daily R&D hours logged automatically

Daily R&D hours logged automatically

Innovation Box IP trail built as you work

Innovation Box IP trail built as you work

Ing DibaKuehne NagelAtlas CopcoDaikinBorgwarnerPepsico

WBSO

Max cashback50% (startups), 36% (regular)
16% above €391,020 in R&D.
Assessment basisNo annual limit
No cap per entity or group.
Filing deadlineBefore R&D activities start
Pre-approval required.
Who can applyAll company sizes
Startups to enterprises.
Retroactive claimsNo
Late applications not accepted by RVO.
Eligible costsPersonnel, software, prototypes, materials
Test setups, lab equipment.

For every €1M in R&D spend, see an illustrative estimate of €236K

Use the calculator to get an estimate on your Funding potential. Actual eligibility and outcomes depend on your circumstances and the applicable rules.

RVO approves first, inspects later Are you ready?

Risk
Unstructured project classification

Most applications lack systematic activity type mapping before submission.

Strict 10-day hour logging rule

R&D hours must be logged within 10 days. Late entries are rejected by RVO during audits.

Untraceable cost allocation

Personnel costs disconnected from specific projects and tasks.

No evidence trail after staff turnover

When key engineers leave, reconstructing R&D decisions becomes impossible.

Clusterix
Automated deadline and submission tracking

Every WBSO milestone monitored with alerts before you miss it.

Automated hour tracking reminders

Automated reminders keep your team within the 10-day logging window. Every entry is timestamped and audit-ready.

Single-source cost attribution

Salary, contract, and project data connected in one auditable chain.

Innovation Box eligibility scored per project

Frascati classification and patent potential assessed in real-time.

See how Clusterix makes you RVO-defensible

One unbroken chain from WBSO application to inspection. No special sprints, no year-end scramble.

eHerkenning-verified application workspace
BearingPoint
“Through the collaboration with innoscripta, our various projects and products were able to be assessed in detail and classified according to their funding potential. The support with the technical evaluation as well as the identification of eligible expenses was particularly helpful.”
Michael Beckmann, Senior ManagerBearingPoint
read story

Frequently asked questions

Common questions about the WBSO.

The WBSO is a Dutch tax incentive that reduces wage tax for R&D activities. Any company registered with the KVK and subject to Dutch wage tax can apply, regardless of size or industry.
36% on the first €391,020 in R&D labor costs, 16% above that. Start-ups receive 50% on the first €391,020.
Contemporaneous records of daily R&D activities, working time records per project, and technical evidence of in-house development. Hour logs must be recorded within 10 days of the work performed. Once approved, all reported hours for that year must be submitted to RVO by the end of March the following year. RVO may audit your records at any point during the project. Insufficient documentation can trigger reclaims.
Yes. WBSO reduces wage tax, while the Innovation Box offers a 9% corporate tax rate on qualifying IP profits. Both require proper documentation.

Ready to make your WBSO claim RVO-defensible?

Book a call with our Netherlands team and see how Clusterix captures R&D evidence in real-time.

Phil Gebauer

Phil Gebauer

Partner & Teamlead Innovation Consulting
innoscripta

The data layer for R&D, a continuous, verifiable record of the work your teams actually do, captured at source. Publicly listed, ISO 27001-certified, in 20+ countries.

innoscripta provides software solutions, documentation support, and general information on R&D funding. Our services do not include individual tax, legal, or financial advice.

Eligibility, funding rates, and potential outcomes depend on the applicable laws and regulations as well as the specific circumstances of the company and the respective project. Before submitting an application, we therefore recommend seeking qualified tax, legal, or financial advice where appropriate.

For further information, please refer to our information notice.



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Make your WBSO claim RVO-defensible | innoscripta