27/01/2026
Learn how the Research & Development Expenditure Credit works under the UK merged scheme & how it supports growth through clearer reporting & stronger planning

Innovation is essential for sustained competitiveness, but it is expensive. Technical risk and extended development cycles mean that R&D investment must be planned carefully and justified clearly. Rising operational costs add further pressure. The UK’s move to a merged R&D scheme, is designed to provide a more consistent and transparent form of support for companies of all sizes.
When used properly, the credit can become a predictable and visible source of funding that strengthens innovation pipelines and supports strategic planning.
The incentive has historically been available to large companies. With the introduction of the merged scheme, RDEC now provides the core structure for how R&D support is delivered.
Another form of R&D support is Enhanced R&D Intensive Support, which is only available to loss-making, R&D intensive SMEs where at least 30 percent of total expenditure is on qualifying R&D costs.
Under the merged scheme, RDEC retains several core features:
That credit is linked directly to qualifying R&D expenditure and is subject to Corporation Tax.
A structure like this makes the credit highly visible within financial statements and easier for boards, investors, and auditors to understand.
Qualifying R&D still requires companies to be tackling scientific or technological uncertainty, which is work where the outcome could not be readily determined by a competent professional.
For companies claiming the Research and Development Expenditure Credit, recognition occurs in the profit and loss account before it is taxed. That treatment offers several advantages, such as:
Such visibility is one of the reasons the RDEC-style model was chosen as the basis for the merged scheme.
Used well, the Research and Development Expenditure Credit can influence investment decisions over multiple planning cycles.
Predictable Support for Multi-Year Programmes
Because the credit is calculated from qualifying expenditure, it provides a stable and forecastable form of support across development cycles.
For businesses planning long-running programmes, the Research and Development Expenditure Credit allows funding assumptions to be built into forecasts with more confidence. Used consistently, this approach can help smooth investment decisions across accounting periods without forcing stop-start development.
Lower Post-Tax Cost of Innovation
Credit relief frees up resources that can be reinvested into:
For many organisations, the Research and Development Expenditure Credit also reduces the post-tax cost of innovation, making it easier to justify continued technical investment.
Stronger Investment Cases
Boards and investors respond well to transparent treatment in the profit and loss account. That treatment improves business cases for continued innovation, particularly when budgets are under pressure.
Improved Internal Decision-Making
Linking credits to specific projects helps organisations understand where innovation is happening and how it contributes to strategic objectives.
A compliant Research and Development Expenditure Credit claim now depends on clear and contemporaneous evidence. The best claims typically include:
A well-structured claim reduces the risk of challenge and increases confidence in the credit.
Timing matters for a Research and Development Expenditure Credit claim, especially where planning cycles and accounting periods interact. The greatest value comes when the credit is built into planning, instead of being treated as a retrospective exercise.
Innovation leaders should outline upcoming work early so finance and tax teams can:
Those assumptions can then be incorporated into budgets and forecasts. Such an approach creates a stronger link between innovation activity and financial support.
Businesses using the Research and Development Expenditure Credit benefit most when specialist support is involved.
While the merged scheme has simplified the structure of R&D incentives, the underlying rules remain complex and HMRC scrutiny remains high.
We support businesses by handling the technical and financial detail required for compliant claims. Our support includes:
If you would like to understand how R&D credits under the merged scheme could support growth in your organisation, we can provide guidance on how to maximise value. Get in touch to discuss recent innovation work.

Written by: Laura Velasquez
Marketing Manager focused on Tax Incentives for Innovation
01708 925 641


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