Sleek, on its own published figures
Sleek prices at the top of the published range on percentage and at the bottom on minimum, which makes it the cheapest of the three for a genuinely small claim and the dearest for a large one. Its page is also the clearest in this record about when the fee falls due: a success fee, payable only when HMRC releases the claim, with the fee refunded in full if the claim is rejected.
What Sleek publishes
| What | Figure | The firm's own words | Source |
|---|---|---|---|
| Published fee, as a share of the benefit | 15 % of benefit | "15% + VAT success fee" | Sleek UK R&D tax credits page (success fee) checked September 2026 |
| Minimum fee | £1,495/mo | "with a £1,495 + VAT minimum on smaller claims" | Sleek UK R&D tax credits page (minimum fee) checked September 2026 |
| What the fee is charged on | "Sleek charges a success fee of 15% plus VAT, payable only when HMRC releases your claim." | Sleek UK R&D tax credits page (when the fee falls due) checked September 2026 |
Sleek coverage, evidenced
Sleek publishes its own page for 1 of the reliefs this record tracks. Each link below is that live page.
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