Retention vs Acquisition: What’s Driving UK Betting Growth?

• With taxes nearly doubling, there is little to no need for operators to spend money trying to convince people to sign up.
• Sign-up offers, free bets, and headline promotions still play a role in attracting new users, but their importance is shrinking.
• The bookies handling these changes the best are those who are effectively utilising their existing database of customers.

While acquisition continues to dominate marketing spend across UK betting sites, there has definitely been a recent shift toward retention. Sign-up offers, free bets, and headline promotions still play a role in attracting new users, but longterm growth is being shaped by how effectively brands keep bettors engaged, not how they attract them in the first place.

Margin Squeeze - The Death of Cheap Acquisition

We're just a matter of weeks from an enormous challenge to UK bookmakers arriving. April 1st of this year saw the Remote Gaming Duty (tax on online slots and casino) skyrocket from from 21% to 40%. 

Whereas bookies may have previously spent huge amounts of their marketing and promotional budgets - sometimes around £150-£200 per player on acquiring, for want of a better term, "bonus hunters", a recalculation of costs has had to be factored in. With taxes nearly doubling, there is little to no need for operators to spend money trying to convince people to sign up, spend their initial deposit for a bonus, and then never return.

Portions of the money budgeted for marketing campaigns (although these obviously still exist) are now being redirected into CRM (Customer Relationship Management). If a bookie has you as a customer, it is now roughly five times cheaper to try to keep you compared to finding someone new.

Retention as Growth

These extra costs are coupled with legal changes. Since the 2023 White Paper reforms were fully codified in early 2026, bookies' growth is coming from depth, not breadth.

The UKGC (United Kingdom Gambling Commission) has tightened the rules on "mixed-product" bonuses (receiving free bets and free spins when you make your initial deposit when signing up, for example). As a result, bookies are utilising loyalty to drive daily habits. This means more tiered rewards, streak games and the like. Having influence over a bettor's daily behaviour is key. 

The last part of this leaning in on betting frequency from customers is in-play betting. It now accounts for a huge part of bookies' overall turnover, and investing in high-quality streaming services, across multiple sports, with in-play focused features such as instant cash out and early payout, is designed to keep users "in-app" for longer periods.

Engagement is also maintained through competitive price boosts and similar promotional aspects. While many sites provide daily incentives, AK BETS has built a reputation for thier "BIG PRICES" on major events, and CopyBet differentiates itself by offering Best Odds Guaranteed from the moment markets are priced up. This consistent value, paired with transparent bonus mechanics, such as the highly-rated Virgin Bet free bet club or Unibet's weekly rewards, ensures that active punters feel rewarded for their loyalty rather than just their initial sign-up.

The Frictionless Filter

Technological advances in compliance and banking have also played a major factor in this debate. The rollout of frictionless checks this year has changed - see a previous article on Withdraw Speed as a Competitive Edge for Bookmakers.

Every new account is being screened automatically via credit reference data. This means that bookmakers can actively de-prioritise high-volume acquisition of players who show signs of financial vulnerability. From the customer side, players seek out the bookies that can get them signed up the fastest, allowing them to start betting immediately.

The total number of active monthly accounts in the UK has actually seen slight dips (down ~2% in late 2025), but the Gross Gambling Yield (GGY) continues to grow. This proves that the market is being driven by a smaller, more "retained" and stable player base rather than a constant churn of new users. These changes are summarised in the table below.

Growth in the UK is now driven by efficiency. The bookies that handling the past few months of turbulence the best are those who treat their existing database like a gold mine, rather than those constantly trying to buy new friends at a 40% tax disadvantage.

On Friday, we analyse whether player switching behaviour itself is increasing, and what that signals about market maturity.