Betfair vs William Hill

Price data: where the value sits

Best-price share is the share of sampled markets where an operator posted the top available odds. Betfair led 54.6% (216 markets); William Hill led 16.0% (219 markets). On like-for-like samples, Betfair is more than three times as likely to hold the best price.

Average margin (overround) measures the bookmaker's built-in edge across a market. Lower is better for the bettor. Betfair averaged 4.21%; William Hill averaged 6.99%. On a two-way market priced fair, that difference is the difference between clearing a longer break-even and consistently paying more juice.

This is reflected in the odds ratings: Betfair scores 8.9 for odds against William Hill's 7.7. If your primary decision variable is price, the numbers point one way. If you split stakes across bookmakers to always take the top line, Betfair will win the majority of those line-shopping comparisons — but keeping William Hill on hand still captures the ~16% of markets where it prices best.

Head-to-head ratings table

The table summarises the supplied scoring data and key facts. Scores are out of 10.

• Odds: Betfair 8.9 | William Hill 7.7
• Best-price share: Betfair 54.6% | William Hill 16.0%
• Average margin: Betfair 4.21% | William Hill 6.99%
• Market coverage: Betfair 8.8 | William Hill 8.5
• Sports depth: Betfair 8.6 | William Hill 8.6
• Live capability: Betfair 8.7 | William Hill 8.2
• Bet Builder: Betfair 7.4 | William Hill 7.9
• Licence safety: Betfair 9.2 | William Hill 9.3
• Payments: Betfair 8.4 | William Hill 8.4
• Withdrawals: Betfair 8.5 | William Hill 8.2
• App: Betfair 8.4 | William Hill 8.5
• Features: Betfair 8.6 | William Hill 8.3
• Support: Betfair 7.9 | William Hill 8.2
• Founded: Betfair 2000 | William Hill 1934

Market coverage and sports depth

Sports depth is level at 8.6 each, so for the range of Irish-relevant sports — football, horse racing, GAA, rugby, tennis and golf — both cover the breadth you'd expect.

Market coverage edges to Betfair (8.8 vs 8.5). Combined with its higher live-capability score (8.7 vs 8.2), Betfair holds a small structural advantage on the number of markets per event and its in-play offering. For Premier League, Champions League and Serie A football, plus ATP and WTA tennis, that translates into marginally deeper market menus and tighter in-play pricing on Betfair's side.

William Hill's coverage is not far behind and its longer trading history (founded 1934 versus Betfair in 2000) shows in a broad, stable sportsbook. For horse racing and GAA, both list the mainstream markets Irish punters expect.

Features: Bet Builder is the split

Both operators list Live Betting, Cash Out and Live Streaming. The clear feature difference is Bet Builder: it appears in William Hill's feature set, and William Hill also scores higher on the Bet Builder rating (7.9 vs 7.4). If same-game and multi-leg builder bets on Premier League or Champions League fixtures are central to how you stake, William Hill is the stronger fit on that specific tool.

Betfair lists Fast Payout among its features and scores higher on withdrawals (8.5 vs 8.2) and overall features (8.6 vs 8.3). So the feature trade-off is real but narrow: William Hill for Bet Builder, Betfair for payout speed and a slightly higher aggregate features score.

On support, William Hill scores 8.2 against Betfair's 7.9 — a small edge to William Hill for service.

Payments, deposits and withdrawals

Both operators list the same core methods: Debit Card and PayPal. Each carries a minimum deposit of €10 and a stated withdrawal window of 0–24 hours.

Because the payment mix and deposit floor are identical, this category won't separate them for most Irish punters. The differentiator is the withdrawals rating, where Betfair (8.5) edges William Hill (8.2), and Betfair's Fast Payout feature flag. Both score 8.4 on payments overall.

If you route deposits through PayPal specifically, both qualify. For wider method options such as Apple Pay, Revolut Pay or Bank Transfer, check the individual bookmaker pages, as those are not listed in the supplied method sets for either operator.

Apps and live betting

Both offer iOS and Android apps. William Hill scores marginally higher on the app (8.5 vs 8.4), while Betfair scores higher on live capability (8.7 vs 8.2). Read together: William Hill's app rating is fractionally ahead, but Betfair's in-play engine rates stronger.

Both support Live Betting and Live Streaming, so mobile in-play coverage of football, tennis and racing is available on either. For a live-focused bettor, Betfair's higher live-capability score is the more meaningful signal; for a pure mobile-interface preference, the app scores are effectively level.

Licensing and safety in Ireland

Both operators are listed as licensed and both score highly on licence safety: William Hill 9.3, Betfair 9.2 — effectively level, with a marginal edge to William Hill. Betting in Ireland is regulated by the Gambling Regulatory Authority of Ireland (GRAI), and the minimum age to bet is 18.

On safety grounds there is no material reason to prefer one over the other; both sit at the top of the safety band. Specific licence numbers and regulator detail are not supplied here, so confirm current authorisation on each operator's own page before depositing.

Verdict: which one for value?

For price and value, Betfair is the data-backed pick: 54.6% best-price share, 4.21% average margin and an 8.9 odds rating, all ahead of William Hill. Line-shoppers focused on squeezing the top available odds will find Betfair wins the majority of comparisons.

William Hill is the better single choice if you rely on Bet Builder (listed feature, 7.9 rating), value a marginally higher app score (8.5) and support score (8.2), or want the top licence-safety mark (9.3).

The pragmatic approach for Irish punters is to hold accounts at both: default to Betfair for straight prices, capture the ~16% of markets where William Hill prices best, and use William Hill's Bet Builder when a same-game construction is your angle. Payments (Debit Card, PayPal), €10 minimum deposit and 0–24h withdrawal windows are the same on both sides, so the decision comes down to price versus tooling.