Crédit d'Impôt Recherche, CIR (French Research Tax Credit)
30% of your R&D expenditure refunded, up to €100M of eligible spend.
The CII extends the CIR past research: it funds the design of new products. The scheme is open to SMEs only, and often goes unused because the boundary with the CIR is left unclear.
of eligible costs.
of costs, capped per company per year (mainland France).
fewer than 250 staff, turnover < €50m or balance sheet < €43m.
with the CIR, on separate costs.
The Innovation Tax Credit is for SMEs working on the design of new products. Where the CIR requires resolving a scientific uncertainty, the CII looks at a product that is not yet available on the market and that performs better technically, in eco-design, in ergonomics or in its features.
The costs must relate to designing prototypes or pilot plants for that new product, before it goes on sale.
In practice the hard part is drawing the line between CIR and CII, and never claiming the same cost twice. We draw that line project by project, and we document it.
Higher rates apply in the overseas departments and in Corsica. 20% in mainland France, 60% in the DOM, 40% for small and 35% for medium-sized companies in Corsica.
Staff assigned to designing prototypes or pilot plants.
Fixed assets and equipment used for that work.
Patents, plant variety certificates, designs and models tied to the prototype or pilot plant.
Work entrusted to approved bodies.
We identify the scope of your eligible projects and claimable costs, together with your technical teams.
We check that your work meets the tax authority's criteria: state of the art, technical barrier, experimental approach.
We collect the accounting data and calculate your claim, line by line.
We write the scientific and financial file documenting every declared cost.
We prepare the forms, support the filing and track the refund until it reaches your account.
We defend your file before the tax authority or the Ministry of Research experts.
30% of your R&D expenditure refunded, up to €100M of eligible spend.
10% corporate tax instead of 25% on your patent and software income.
Bpifrance grants, repayable advances and loans, from prototype to market launch.

Benjamin Chemoul & David Jian
Partners & chartered accountants
Information provided for guidance only, up to date as of 2 September 2026. It does not constitute tax advice.