Best No Deposit Bonus Casino Offers in the UK
A no deposit casino bonus is arguably the most popular promotion found at online casinos, as it allows you to claim free bonus funds or free spins without depositing any of your own money. Bonuses not requiring a deposit are perfect for pretty much all players, although they’re especially useful for new customers who want to test a casino, try out games, and even win real money without risking a penny of their own cash!
Today, I’ll show you where to find the best no-deposit bonuses in the United Kingdom, how to claim them, and how to make the most of them!
Best No-Deposit Bonus Casinos in 2025
Finding a reliable casino that offers a casino no deposit bonus can be challenging. Many promotions come with hidden terms or high wagering requirements. The best no deposit bonus casinos in the UK allow you a fair chance of winning, and let you withdraw any amount you do manage to win.
Check out the best online casinos currently offering no-deposit bonuses below:
- FREE 20 freespins no deposit
- Deposit Bonus 100% 300€
- FREE 25 Freespins to Book of Dead - NO DEPOSIT. IMPORTANT - USE Promo Code: BOOK25 after registration to get the spins!
- Deposit Bonus Deposit bonus 300% up to 300 EUR. Use code KB300. 35x wager
- FREE 50 free spins no deposit
- Deposit Bonus 100% 300€
- FREE 10 Freespins to Dawn of Olympus – NO DEPOSIT. IMPORTANT – USE Code: Olympus10 after registration to get the spins!
- Deposit Bonus 300% to 600 EUR
- FREE 25 Freespins to Book of Museum – NO DEPOSIT. IMPORTANT – USE Code: LP25 after registration to get the spins!
- Deposit Bonus 300% to 600 EUR
- FREE 25 Freespins to Angry Dogs – NO DEPOSIT. IMPORTANT – USE Code: LP25 after registration to get the spins!
- Deposit Bonus 100% to 1000 EUR
- FREE 25 Free Spins NO Deposit to Hollywoof (Gameart). IMPORTANT – USE Code: LP25 after registration to get the spins!
- Deposit Bonus 300% to 600 EUR
- FREE 30 Freespins to Sweet Bonanza – NO DEPOSIT. IMPORTANT – USE Code: “KASBONUS30” under “My account” -> “Bonuses and gifts”
- Deposit Bonus 100% up to 1950 EUR + 150 free spins
- FREE 15 Freespins NO DEPOSIT to Mini Games: AERO, Frog, Teleport, Icefield, Roulette, Chicken, Dino
- Deposit Bonus 100% to 1000€
- FREE 25 Freespins to Ruby Win Hold the Spin - NO DEPOSIT. USE Code: "shoruby" after registration
- Deposit Bonus 100% up to 2000 EUR + 100 free spins
- FREE 20 Free Spins NO Deposit
- Deposit Bonus 100% to 100 EUR
- FREE 100 freespins no deposit needed (Betfury Bonanza, Joker Stoker, Bastet, Cats)
- Deposit Bonus 200% to 500$ USE CODE: KASINOBONUS
- FREE 32$, no deposit bonus, use code FREE32KASI
- Deposit Bonus 250% match bonus
- FREE 50 free spins (deposit needed)
- Deposit Bonus 100% 250€
- FREE 100 free spins (deposit needed)
- Deposit Bonus 100% 200€
- FREE Deposit 10€ -> Get 100 Freespins - NO WAGER!
- Deposit Bonus 100 wager free spins (50$ deposit needed)
- 10% Cashback Sportsbetting
- FREE 50 Free Spins (deposit needed)
- Deposit Bonus100% 300€
- FREE 50 freespins (10€ deposit needed)
- Deposit Bonus 100% 200€
- FREE 100 freespins (deposit needed)
- Deposit Bonus 100% 300€
- Deposit Bonus 100 free spins (deposit needed)
- 10% cashback Mondays
- FREE 50 free spins (deposit needed)
- Deposit Bonus 100% 300€
- FREE 30$ (25$ deposit needed)
- Deposit Bonus 250% match bonus
- Deposit Bonus 200 free spins (deposit needed)
- Deposit Bonus 200 freespins (deposit needed)
- FREE 50 Freespins to Gates of Olympus – NO DEPOSIT. IMPORTANT – USE promo code: BLITZ3 at registration!
- Deposit Bonus: Deposit only minimum 10 EUR / 15 EUR / 20 EUR- You will get 100% deposit bonus up to 100€ and 150 Free Spins to Gates of Olympus!
- FREE 10 Freespins to Sugar Rush - NO DEPOSIT. IMPORTANT - USE Promo Code: KBONUS at registration to get the spins!
- Deposit Bonus 225% to 2000€
I hope you choose a few free welcome bonus no deposit required casino sites from my list, which I have neatly put together for you, and asked for unique promo codes for a free no deposit bonus. Once you’ve found a casino that interests you, simply sign up, claim your no-deposit bonus, and start playing immediately—no deposit required!
How We Rate and Review Online Casinos
I have collected promo codes for no deposit bonus for different amounts: £5 free no deposit bonus, £7 bonus, £10 no deposit, £12 for free, and £20 value bonus.
Here at KasinoBonus, we’ve reviewed hundreds of online casinos—and each site we review, goes through the same rigorous process. We look at all aspects of online gambling platforms, starting out by checking licensing and reputation, to exploring the game range, the variety of software providers, the payment method availability, and cashout speeds.
We also sign-up and try all of the casinos we recommend. This allows us to give you honest, first-hand experience, letting you make an informed decision as to whether or not a site is worth joining, or not.
Written by Matti Slotte