Bet Online UK are dedicated in bringing you the most accurate information on today’s online bookmakers and casinos. Our team provide impartial reviews for online bookmakers and online casinos in the UK. These reviews cover information on the company behind the brand as well as their current bookmaker free bet offers, bonuses and ongoing promotions for new and existing customers they may have.

Look out for Bet Online UK bookmaker offers which are updated daily. Deciding which betting sites to pick is not always an easy task. Between welcome offers, mobile apps and the rest, it’s easy to get lost, especially for a newcomer. But fear not, we’re here to make the task easier!

We’ve made a subjective evaluation of the best betting sites at the moment, which you can see below. Be sure to consider different options from our partners, to make an educated decision. We hope you’ll find something suitable for you. Keep on reading our online betting review about some of the best online betting sites.

Bet Online Sportsbook Offers

When evaluating the best betting sites, it is often a question of the slightest margins, as each site currently has so much to offer its players when you are dealing with elite names in the industry. In this comparison of the best betting sites, it is a tight competition to determine which is the best of the bunch.

Here are some Bet Online Sportsbook offers you may find interesting. Let’s see the details about the following online betting offers.

Bookmaker Bonus Details Claim Here
Get A £20 Free Bet When You Bet £5 Review Go to Coral 18+ New UK & ROI Customers only. Min deposit £5. Min first £5 bet at minimum odds 1/2 to qualify for 1x 20 free bet. Certain deposit methods and bet types excl. Free bet valid for 7 days, stake not returned. Restrictions + T&Cs apply.
£20 Backup Bet Review Go to bwin 18+ | New UK players only | Min deposit req. £10 | Certain deposit methods excluded | Place 1 sport bet (3+ selections) | Excl Horse Racing | Min stake £10 | Max stake £20 | Min Odds 2/1 (3.0) | Max FreeBet £20 for football only | FreeBet valid for 7 days | FreeBet stake not returned | T&Cs apply
Bet £10 Get £30 + £10 Casino Review Go to Unibet 18+ begambleaware.org. New customers only. Minimum deposit £10. Place a £10+ bet on football of odds 1/1 (2.00) or greater to receive your £30 in football free bets once qualifying bet is settled. Free bets valid for 7 days. £10 Casino bonus will be credited the day after you have deposited. Casino bonus must be wagered at least 50x before any withdrawals can take place. Full T&Cs apply.
Get £30 in free bets When you place a £10 bet on sportsbook Review Go to Betfair New Customer offer. Place a min £10 bet on the Sportsbook on odds of min 1/2 (1.5), get £30 in Free Bets. Rewards valid for 30 days. SMS verification required. Only deposits via cards will qualify. T&Cs apply. Please Gamble Responsibly
£20 IN FREE BETS KER-CHING Review Go to Ladbrokes 18+ New UK+IRE Customers only. Certain deposit methods & bet types excl. Min first £/€5 bet within 14 days of account reg at min odds 1/2 to get 4x £/€5 free bets. Free bets available to use on selected sportsbook markets only. Free bets valid for 7 days, stake not returned. Restrictions + T&Cs apply.
Bet £10 Get £30 in free bets Credited as 3 x £10 bets Review Go to William Hill 18+. Play Safe. From 00:01 on 13.04.2022. £30 bonus. New customers only. Minimum £10 stake on odds of 1/2 (1.5) or greater on sportsbook. Further terms apply. #ad
Bet £10 Get £60 in Bonuses Review Go to Betfred New UK customers only. Register using the promo code BETFRED60, deposit and place first bet of £10+ on Sports (cumulative Evens+) within 7 days of registration. First bet must be on Sports. £20 in Free Bets to be used on Sports, £10 in Free Bets to be used on Lotto and 50 Free Spins (20p per spin) credited within 10 hours of bet settlement. Further £20 in Free Bets credited 5 days after settlement. Bonuses have a 7-day expiry. Payment restrictions apply. SMS verification and/or Proof of I.D and address may be required. Full T&Cs apply.
BET £20 AND GET IT BACK AS CASH IF IT LOSES Review New customers only. Place your FIRST bet on any market at odds of min 2.0 (EVS) and if it loses we will refund your stake in CASH. Max refund for this offer is £20. Only deposits made using cards will qualify for this promotion. T&Cs apply.
50% up to £50 Review Go to 10bet New bettors get 50% of deposit up to £50; Once per household; Min deposit £15 (no Skrill/Neteller); Wager a total of 8 times deposit + bonus, with max qualifying bet stake equal to your initial bonus amount; Bonus expires after 60 days; Min odds of 4/5 on singles, or 2/5 per leg for acca; Some bet types excluded
£30 Matched Free Bet if your first Acca loses Review Go to Betway New UK customers only. Min Deposit: £5. Maximum Free Bet: £30. First bet on a Football or Horse Racing multiple with 3+ selections. Overall odds: 3.00 (2/1) or higher. Free Bets available upon settlement of the qualifying bet. Debit card deposits only. This is offer is valid for 7 days from your new account being registered. 18+ BeGambleAware.org Full terms apply.
Get £30 in bonuses with your first £5 bet Review Go to BetVictor 18+ New customers only. Opt in, bet £5 at odds 2.00+ within 7 days of registering, no cashout. Get 2x £10 Free Bets, set events at odds 2.00+. Plus a £10 Slot Bonus, selected games, wager 20x to withdraw max £250. 7 day bonus expiry. Card payments only. T&Cs apply, see below. begambleaware.org | Please gamble responsibly.
Bet £10 Get £30 in Free Bets Review Go to 888sport 18+. New customer only. Min deposit £10 • A qualifying bet is a ‘real money’ stake of at least £10 • Min odds 1/2 (1.50) • Free Bets credited upon qualifying bet settlement and expire after 7 days • Free Bet stakes not included in returns • Casino Bonus must be claimed within 7 days • To withdraw bonus/related wins, wager bonus amount 40 times within 14 days • Casino Bonus expires after 60 days • Withdrawal restrictions & full T&C apply . BeGambleAware.org

Bet Online Casino Bonuses

Being one of the best casino sites means a lot more than just having that game that everyone likes, or a sleek design. It’s a harmony of all kinds of positive attributes, all of which are required to make a casino site one of the best out there.

When it comes to choosing welcome bonuses for online casinos, you will be amazed at some of the attractive offers available. One of the hallmarks of one of the slots sites is their ability to offer a compelling sign-up bonus to make it worth your opening an account with them.

The biggest welcome bonus we at Bet Online UK have at the moment comes from the well known brands, which offer great bonuses (T&Cs Apply). In the table below, check out some of our picks for casino welcome bonuses.

Casino Welcome Bonus Claim here
Stake £10 Get 100 Free Spins Review Go to Betfred New customers only. 18+. Promo code CASINO100. £10 min transfer and stake on Slots at Betfred Casino within 7 days of registration. Minimum 5 game rounds. Game restrictions apply. Max 100 Free Spins. 50 Free Spins on selected titles credited instantly after qualification. Second 50 Free Spins on selected games within 48 hours. £0.10 per spin. Free Spins must be accepted within 3 days. 7-day expiry. Not all titles may be available in iOS app. Payment restrictions apply. SMS verification and/or Proof of I.D and address may be required. Full T&Cs apply.
50 Free Spins No Deposit, No Wagering Winnings Paid As Cash Review Go to Betfair Casino New customers who have not played Casino only. Register using promo code CASF51. Winnings paid in cash. Full T&Cs apply. Each prize is subject to its own T&Cs with variable expiry and other restrictions. Eligibility restrictions apply. Further T&Cs apply.
£50 Welcome Bonus Review Go to Ladbrokes 18+. New Casino players only. Deposit required. Bet £10+ on qualifying games. 40x wager reqs (bonus only) on selected games. Accept Bonus within 14 days. Bonus valid for 30 days. Certain deposit types excluded. Player restrictions and T&Cs apply.
50 Free Spins on Starburst + 100% Deposit Match Bonus Up To £100 Review Go to LeoVegas T&Cs apply. New reg only. Opt in & deposit £10, £25 or £50 within 7 days & further 7 days to wager cash stakes 35x to unlock reward (£50 on 2 deposits). 3 day exp. Wagering/game contributions vary. 25 wager-free spins x10p to added to Starburst with each qualifying deposit, 3 day expiry. 18+ www.begambleaware.org
Get a 150% Bonus up to £150! Review Go to 32Red 18+. BeGambleAware.org. New accounts only. Min. £10 deposit, debit card only. Up to 50x wagering, game contributions vary, max. stake applies, 7 day expiry.
GET 100 FREE SPINS ON FIRST DEPOSIT Review Go to Masked Singer Casino First Deposit Only. Min. deposit: £10. Game: Masked Singer UK Slot, Spin Value: £0.10. Max bet is 10% (min £0.10) of the free spin winnings amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. First Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonus Policy applies.
100% up to £50 and 50 Free Spins Review Go to Slots Magic First Deposit Only. Min. deposit: £10, max. Bonus £50. Game: Rich Wilde and the Book of Dead, Spin Value: £0.10, Max Extra Spins:50. WR of 30x Deposit + Bonus amount and 60x Extra Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the extra spin winnings and bonus amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. First Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonus Policy Applies.
100% bonus up to £25 and 20 Bonus Spins Review Go to Casumo 18+. New UK customers only. Opt-in required. 20 Bonus Spins on “Sahara Riches Cash Collect” and 100% Deposit Bonus up to £25 on first deposit. Min deposit £10. 30x wagering requirement for Bonus Spins and 30x wagering requirement for Deposit Bonus (game weighting applies). Max £5/spin or £0.50/line or £10/round (live casino). 30 days expiry. T&C’s Apply. Please gamble responsibly • www.begambleaware.org • Bonus terms
100% up to £50 + 100 spins Review Go to Karamba 18+, Welcome Bonus: New Players only. Min Deposit: £10. Max bonus £50. 100 spins require 3 deposits: min second and third deposit £20. WR 35x, spins valid for 24hrs, on selected games. Terms and Conditions apply
100% up to £100 Bonus + 50 Free Spins Review Go to Vegas Hero 18+ Full T&C’s Apply. New players Only. £10 min deposit. £5 max bet using bonus. 60x (40x referred player) wagering applies. Bonus valid for 14 days. 10 Spins on pre-selected games will be credited instantly + then 10 per day for 4 days. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Ewallets excluded. www.begambleaware.org
£88 FREE, No Deposit Bonus + 100% up to £100 Review Go to 888casino No Deposit Offer: New players with valid mobile number only • Claim in 48 hrs • 14 day expiry • Valid for selected games • Pre-1st deposit only: Bonus wins & max redeemable amount capped at £100, excl. JP wins • Wager Bonus x1 – req. contributions vary by game • Bonus expires in 90 days • Deposit Offer: 1st time depositor at 888casino only • £20 min deposit • Claim in 48 hrs • Valid for selected games • Bonus wins capped at £500, excl. JP wins • Pre-1st deposit only: Bonus wins & max redeemable amount capped at £100, excl. JP wins • 30x wagering – req. vary by game • Bonus expires in 90 days • Payment method & country restrictions apply • Withdrawal terms, No Deposit Offer terms & Deposit Bonus Offer terms apply.

There seems to be a real trend by online casinos to offer both a deposit bonus and free spins. It is worth noting that all casinos have wagering requirements that need to be met before any withdrawals can be made (T&Cs Apply).

If you are a casino bonus hunter, feel free to go through Bet Online UK’s casino reviews and find the bonus that suits your needs the most. If, however you are more inclined to sports betting like we are, please refer to our Bookmaker reviews found in the navigation menu on top of this page.