R&D Insights

A practical R&D record-keeping checklist for engineering projects, covering technical evidence, project costs, the AIF and record retention.

HMRC's R&D enquiry activity is at multi-year highs. What triggers an enquiry, what HMRC will ask, and how UK SMEs should respond to protect a valid claim.

The R&D Claim Notification Form must reach HMRC within 6 months of the end of the accounting period. Who needs it, who is exempt, what to do if you miss it.

HMRC launched a new R&D tax relief Advance Assurance pilot on 18 May 2026. What UK SMEs need to know about scope, eligibility and how to apply.

The UK Patent Box reduces Corporation Tax on profits from qualifying patents to 10%. A practical guide for SMEs covering eligibility, the two-year election deadline, the nexus fraction and a worked example.

Lexmore works alongside accountancy firms to support clients with R&D Tax Relief, Patent Box and Embedded Capital Allowances — providing specialist input where required, without disrupting existing relationships.

The Patent Box lets UK companies apply an effective 10% Corporation Tax rate to qualifying profits from patented products and processes. Here is how it works.

Some Northern Ireland companies can include overseas R&D costs that are restricted elsewhere in the UK — subject to a €300k State Aid cap.

From 1 April 2024, most UK companies claim R&D Tax Relief under the merged RDEC scheme. Here is a clear, practical explanation of how it works.

HMRC has tightened R&D Tax Relief rules to reduce error rates and improve claim quality. Here is what changed, why it makes sense, and what businesses should do next.