28 May 2026
Black Market Stakes Forecast to Double by 2028 Amid Regulatory Pressures
New independent analysis from H2 Gambling Capital projects that stakes placed with illegal UK gambling operators will rise sharply from £17bn in 2025 to more than £33bn by 2028, which would represent 19.2% of all online betting and gaming activity; the Betting and Gaming Council has highlighted these figures while the Gambling Commission prepares decisions on financial risk assessments, tax increases, and stricter compliance measures that observers say could accelerate migration toward unregulated platforms.
The Scale of Projected Growth
Data compiled by H2 Gambling Capital tracks year-on-year increases in black-market activity and shows how the share of total stakes moving outside licensed channels could approach one-fifth within three years; such expansion would occur even as the overall UK online betting and gaming market continues to expand, meaning absolute volumes in the illegal sector grow faster than the legitimate market. Figures indicate that current black-market stakes already sit at £17bn annually, yet the trajectory points to nearly doubling that amount by the end of the forecast period.
Those monitoring the sector note that the 19.2% share would mark a significant shift from today's levels, because operators outside the regulated framework avoid both tax obligations and mandatory player-protection protocols. The analysis separates online betting and gaming stakes from other gambling verticals, focusing specifically on digital channels where enforcement remains more challenging.
Regulatory Decisions on the Horizon
The Betting and Gaming Council has presented the forecast in submissions related to upcoming Gambling Commission determinations on financial risk assessments, higher operator taxes, and tighter advertising and affordability rules; according to the Council, each of these measures carries the potential to raise costs or reduce convenience for customers, thereby increasing the appeal of sites that operate without licences. Financial risk assessments in particular would require operators to evaluate a customer's spending against their income before allowing larger bets, a step that some market participants argue could drive bettors toward offshore alternatives that impose no such checks.
Tax and Compliance Pressures
Higher tax rates under consideration would add to operator margins already squeezed by existing duties, while additional compliance layers around safer gambling could lengthen registration processes or limit promotional offers; the Council maintains that these cumulative effects reduce the competitive edge of licensed sites relative to black-market platforms that face none of the same overheads. Data shows licensed operators currently contribute substantial tax revenue and fund treatment services, contributions that would decline proportionally if more stakes move offshore.
Player Protection and Revenue Implications
Unregulated sites provide no access to self-exclusion tools, deposit limits, or dispute resolution mechanisms that licensed operators must maintain; as a result, any growth in black-market activity would leave a larger share of customers without recourse when problems arise. The Council has emphasised that tax contributions from the legal sector support public services, so an increase to 19.2% illegal stakes would reduce those revenues at the same time that enforcement costs rise.
Industry monitoring groups have tracked previous instances where regulatory tightening coincided with measurable upticks in offshore traffic, although the H2 Gambling Capital model incorporates multiple variables including price sensitivity, payment friction, and advertising reach. Projections assume that current trends in customer behaviour persist unless policy settings change the relative attractiveness of licensed versus unlicensed options.
Context Around the 2028 Timeline
The three-year window to 2028 aligns with the period during which several of the proposed measures could take full effect, allowing time for customer migration patterns to stabilise; forecasts therefore serve as an early indicator rather than a fixed prediction, because actual outcomes depend on the precise design and timing of any new rules. Observers note that payment blocking and advertising restrictions already limit black-market visibility, yet the forecast suggests these deterrents may prove insufficient against shifts in pricing or convenience.
Stake figures represent the total amount wagered rather than operator revenue, so the £33bn projection reflects gross betting volume; this metric allows direct comparison with licensed market data published by the Gambling Commission, which uses the same definition for its own statistics.
Conclusion
The H2 Gambling Capital analysis supplies one concrete data point for ongoing discussions between regulators, operators, and policymakers; whether the projected rise to £33bn materialises will depend on decisions taken in the coming months regarding financial risk assessments, tax levels, and rule changes. The Betting and Gaming Council continues to reference these forecasts when engaging with the Gambling Commission on the balance between consumer protection measures and the viability of the licensed market.