Remote Gaming Duty in Great Britain rose to 40% on 1 April 2026. Most of the commentary treated that as a fiscal story. It is more usefully read as a product story, because a duty rate that high dictates what an operator is able to put on the table before anyone discusses strategy.

The arithmetic, plainly

Start with gross gaming revenue — what the operator keeps from player losses before costs. Remove 40% in duty. From the remaining 60p in every pound, the operator still has to fund platform and content fees to suppliers, payment processing, compliance and safer-gambling infrastructure, customer support, and marketing.

Content licensing alone commonly runs in the mid-teens as a percentage of GGR for a broad third-party portfolio. Payment costs add low single digits. Compliance is no longer a modest line item: the Licence Conditions and Codes of Practice, updated with effect from April 2026, require remote licensees to run automated systems that identify risk indicators, act on them through automated processes, and evidence that the interventions worked.

What is left is thin, and it is being competed away in acquisition. That is the environment in which every generosity decision now gets made.

Bonuses got smaller and more honest

Two changes took effect on 19 January 2026 under the revised Social Responsibility Code 5.1.1.

First, wagering requirements on bonus funds are capped at a maximum of 10x. Second, an individual incentive may no longer include more than one type of gambling product — betting, casino, bingo and lottery cannot be combined within a single offer, including where terms are linked or shared.

The Commission clarified that unrestricted-choice incentives remain permissible: £10 of bonus credit a customer may spend across an open list of products is fine. What is prohibited is the constructed cross-vertical offer that requires play in multiple categories.

Both changes are straightforwardly good for consumers. A 60x wagering requirement was never a bonus in any meaningful sense; it was a retention mechanic wearing a bonus costume. But the combination of a 10x cap and a 40% duty removes a lever operators leaned on heavily. A bonus with a 10x requirement has a real cost that lands on a post-duty margin.

The shift from bonuses to rebates

Squeeze bonus economics and the natural replacement is a rebate — value returned as withdrawable balance rather than as locked promotional funds.

Rebates behave differently on a P&L. A bonus is a marketing cost incurred upfront against uncertain play. A rebate is a proportional reduction in realised margin: it only costs the operator when the player has already generated the revenue it is calculated from. For a business managing a 40% duty and rising compliance overhead, predictability of that kind is worth a good deal.

The offshore market has been running this model for some time, and at rates a UK licensee could not contemplate. Duel Blackjack Live advertises 60% instant rakeback on every settled hand, credited as real withdrawable balance with no rollover attached. Whatever one thinks of the wider proposition, the structure is instructive: acquisition is funded out of realised margin rather than out of a separate promotional budget, which is only viable where the tax line is small enough to leave room.

At 40% duty, that room does not exist. A British operator returning 60% of its edge would be paying duty on revenue it had given away.

What UK operators are left with

Three levers, none of them cheap.

Product mix. Push players towards content with better unit economics. In practice this favours slots over live tables, because live dealer carries studio and staffing costs that RNG content does not.

Retention over acquisition. With bonuses constrained and marketing tightly regulated, the cost of replacing a lapsed player rises relative to the cost of keeping one.

Scale. Fixed compliance and technology costs spread across a larger revenue base. This is the lever that quietly drives consolidation, and it is why duty increases tend to produce fewer, larger licensees rather than lower prices.

The channelisation question, again

The uncomfortable part is the same one the Netherlands is confronting at 37.8%. A high duty rate funds public services from gambling revenue only for as long as the gambling revenue stays inside the licensed perimeter.

There is no reliable public data yet on what the April increase did to British channelisation, and anyone claiming otherwise is guessing. What can be said is that the gap between what a licensed British operator can afford to return and what an unlicensed one can advertise widened by a measurable amount on 1 April 2026.

Whether players notice a difference of a few percentage points in effective return is an empirical question. Whether the operators competing for them notice is not.

18+. GambleAware.org — free, confidential support in Great Britain.