4.6 / 5 5 Ratings

Wager £10 Get 20 Free Spins on Big Bass Splash

New customers only. Promo code 'bigbasspins' and make min. deposit of £10. Receive 20 free spins on Big Bass Splash by 23:59 day after qualification. T&Cs apply, GambleAware.org.


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4.5 / 5 12 Ratings

Gentleman Jim Casino Welcome Offer and User Reviews

Gentleman Jim Casino was launched in March 2024 by the owners of DragonBet. This trustworthy UK site has a premium theme. You can play 125+ slot games and plenty of live casino games.  

About Gentleman Jim Casino

Gentleman Jim is a premium online casino which offers slots and live casino games next to its sports betting offerings.

Gentleman Jim Casino Key Facts

  • Refined, high-quality site design
  • Newly Launched for 2024
  • Streamlined Mobile Platform

Maximum Bonus: £2
Offer type: New Accounts
Casino Betting Offer: Yes
See the offer & Join!
In this review: Gentleman Jim Casino offer
Jenny Mason Slots Content Manager

Jenny Mason: 17+ years in online gambling, top UK brands. Expert in sports betting, slots, and bingo.

Latest Gentleman Jim Casino Offer - Full Details

Welcome Offer Details
🎁 Bonus Deposit Limits£10 
🎁 Bonus Spins20 free spins on Big Bass Splash (Pragmatic Play)
🎁 Wagering RequirementsN/A
🎁 Expiry7 days
🎁 Payment Methods AllowedDebit card, cheque and bank transfer
🎁Promo Code

Gentleman Jim's current casino welcome offer is to deposit and wager £10 ormore to receive 20 free spins on Pragmatic Play's popular Big Bass Splash slot game. You must use the promo code 'bigbassspins’ and you must be a new customer. The full list of terms and conditions are below.

Welcome Bonus Terms and Conditions

-The ‘free spins’ offer is for new Gentleman Jim customers only.

-Customers must be 18+

-Customers must be residents of the UK.

- Opt in using the promo code ‘bigbassspins' and make a minimum deposit of £10.

-Deposit a minimum of £10 and receive 20 free spins on Big Bass Splash.

- The 20 Free spins will be added by 23:59 the day after qualification.

- The promotion is available from 01/06/2024 , until terminated by Gentleman Jim Bookmakers.

- Only customers signing up through a recognised affiliate partner will be eligible for this promotion. 

Using the free spins

- The free spins are available once.

- Free spins are only available on Big Bass Splash

- The free spins have a total value of £2.

- Free spins will be subject to an expiry period of 7 days from date and time of issue, if they are not used in this time period they will expire.


Gentleman Jim Casino accepts Mastercard, Visa, Maestro, bank transfer and cheque. With a £10 minimum deposit amount, all deposits will be added to your account instantly. All payment methods can be used for the Gentleman Jim Casino welcome bonus. In terms of deposit limits, you can deposit from £10 up to £2,000 maximum daily. In regards to withdrawals, you can withdraw between £10 and £15,000, although amounts greater than £15,000 may require additional arrangements with your chosen bank.

Method Min Max Processing Time Fee
£1 £2000 Instant None
£1 £2000 Instant None
£1 £2000 Instant None
£1 £2000 Instant None
£1 £2000 Instant None
Method Min Max Processing Time Fee
£1 £14999 2 - 5 days None
£1 £14999 2 - 5 days None
£1 £14999 2 - 5 days None
£1 £14999 2 - 5 days None
£1 £14999 2 - 5 days None


Withdrawals can take up to 5 days, depending on which payment method was used. Due to normal banking procedures, a withdrawal made to a debit card can take 2-5 working days, but it is often sooner.

Full Gentleman Jim Casino Casino Review

Researched and reviewed by Jenny Mason and fact-checked by Sam Darkens, OLBG’s in-depth and comprehensive Cosmic Spins review looks at all the most important elements including payment methods, casino and slot games, customer support and mobile compatibility. For more details on what our expert team looks for, check out our How OLBG Rates article.

Gentleman Jim Casino at a Glance
⏳ Online Since2024
⚖️ UKGC Licence✅ (60213)
🏢 CompanyLovell Brothers Limited
🎁 Welcome Offer20 free spins on Big Bass Splash slot game
🎰 Casino Games + Slots125+
💰 Withdrawal Time2 - 5 days
📱 Mobile Compatibility
☎️ Customer Support24/7

Below are a series of jump links that take you to specific parts of this review:

🤔 Pros & Cons

🎰 Casino & Slot Games

🎁 Promotions & Offers for existing customers

📱 Website & Mobile Compatibility

☎️ Customer Support

🔒 Security & Account Verification

Gentleman Jim Casino Pros & Cons

Like any casino site, Gentleman Jim Casino has its ups and downs. Here are the highlights and some not-so-great points:


  • Free spins welcome bonus

  • Easy to navigate site 

  • Superior looking website

  • Good selection of live casino games

  • Dedicated casino apps


  • A few casino games but app focuses on sportsbook

  • Only 2 slots studios used currently

  • 2-5 days for withdrawals

  • Limited deposit options- no PayPal

Casino & Slot Games

Here are some quick facts about the casino and slot games

  • 125+ slot games
  • Offers Leap & Pragmatic Play slot games
  • Big Bass series of slot games
  • Selection of Megaways slot games
  • Small selection of table games
  • Wide choice of live casino games

At Gentleman Jim Casino, you can choose from a selection of table games, including blackjack, baccarat, and roulette. If you’re new to roulette you can read our article about roulette rules and playing guide.

There is also a tab for live casino games, which has over 50 options to enjoy. If live games are your cup of tea, check out this guide to the best live casinos.

Slots are a key focus of the casino site, and you can choose from over 125 titles from the Pragmatic Play and Leap studios. Pragmatic Play includes all its most popular slots, including its Megaways slot games plus the popular Big Bass fishing-themed series. In fact, the 20 free spins welcome bonus can be used on the Big Bass Splash game.

The site has a search function that allows you to locate your favourite games quickly, and you can filter your results by the studio name. On the site, you can look for games using the following categories: Popular, new, table games, all games, drops & wins, Jim’s picks, Megaways and slots.

If you’re a fan of Megaways slot games Gentleman Jim Casino offers the Pragmatic Play versions which includes Power of Thor Megaways, Revenge of Loki Megaways, Big Bass Bonanza Megaways, and Big Bass Hold and Spinner Megaways.

Due to Gentleman Jim Casino only using two slot studios there are many all time classic games missing such as the Book of Dead series by Play n'GO, Bonanza Megaways and the other Megaways titles by Big Time Gaming and Gonzo's Quest by NetEnt. There are also no jackpot slot games which might be an issue for some players.

If you're looking for more choice with your slot and casino games Duelz Casino is a good idea. Its a medieval-themed online casino with over 2,000 casino and slot games and it offers some top welcome bonuses to new players.

4.9 / 5 9 Ratings

Duelz Review

  • No. of slots 1000+
  • Payout speed Instant Options
  • Win rate 96.5%

Duelz Casino is a medieval-themed online casino with over 2,000 casino and slot games. With weekly cashback and regular promotions, there’s an abundance of payment methods to use including 6 minute instant withdrawals.

  • Instant Withdrawals
  • Mobile-first Casino
  • Huge Range of Slots from many Providers

Casushi is a casino site  inspired by Japanese culture and food. Here you'll discover a superb range of slots from the top studios, including Evolution, Pragmatic, NetEnt and Blueprint. They also offer further payment methods including Skrill and Paysafecard.

4.9 / 5 8 Ratings

Casushi Review

  • No. of slots 1110
  • Payout speed 24 hours
  • Win rate 97%

Inspired by Japanese culture and food, Casushi is a unique and fun online casino that wants to help you find your “Zen of Happy Play.”

  • Excellent website deisgn
  • New slots constantly added
  • PayPal available for UK users

Promotions & Offers

Gentleman Jim Casino offers its players the most popular network slot promotion available—Pragmatic Play’s Spin & Win. Here, Pragmatic Play give away €30,000,000 in prizes each year through leaderboards and prize drops. At the time of writing, June 2024, this is the only casino promotion being advertised on the site, but as this is a relatively new site, there are bound to be further promotions added in the future.

Gentleman Jim Casino Site + Mobile

Quick Facts

  • High-quality style of the site.
  • Compatible with mobile/tablet devices.
  • There is an app available with some slots/casino games, although the focus is the sportsbook.

Gentleman Jim Casino has a great look with a classy design featuring racing green and khaki, plus some nice peach and white touches. The designer has nailed it with stylish banners that use illustrations instead of photos, adding to the overall high standard. The green theme nods to the co-owner's horseracing background. It’s owned by brothers David and James Lovell, who come from a long line of bookies in Wales. This family-owned business prides itself on its independent roots. They also run DragonBet, the only UK bookie offering markets on specific Welsh events.

Gentleman Jim Casino is an intuitive site where the headers are clear so that you can navigate t the games you want to play. Casino and live Casino have been split into 2 different tabs so you’ll find slots and table games in the same tab. Near the bottom of the screen you’ll see useful links for FAQ's, Affiliates, Privacy Policy, Terms & Conditions,  Betting Rules and Give us Feedback.

If you’re a mobile casino player, you’ll be pleased to learn that you can either download the Android app from Google Play or the iOS app from the App Store. You can also access the site from any mobile browser, and it looks superb playing like this.

Customer Support

The Gentleman Jim Casino support team can be contacted via email or their social media channels on X, Instagram and Facebook. When I emailed some questions over as part of this review, they took less than an hour to reply which is impressive.  The support email address is support@gentlemanjim.bet . You can even contact their trading team directly from the app about any trading markets. 

There is also a dedicated FAQ section with details on verification, withdrawals, deposits, banking, verification, complaints, and proof of funds.

Security & Account Verification

Gentleman Jim Casino is fully licensed under ‘Gentleman Jim Bookmakers, ' a trading name of Lovell Brothers Limited, a company incorporated in England and Wales with company number 13760050. Gentleman Jim Bookmakers is licensed and regulated by the UK Gambling Commission (licence number 60213).

Due to regulations, all Gentleman Jim Casino customers need to confirm their identity by providing specific documentation, ensuring all players are 18 or older. This process is called ‘Know Your Customer.’ You can not make a withdrawal from your account until you have been verified. Your age will be verified automatically when you make your first deposit. During this process Gentleman Jim Casino will also contact customers to provide documentation to verify their identity. These documents may include:

  • Bank statement with address displayed
  • Payslip with address displayed
  • Certification from bank
  • HM Revenue and Customs letter
  • Contract or bill from a utility supplier with address displayed
  • Passport
  • Drivers Licence

Gentleman Jim Casino is committed to responsible Gambling and offers a range of advice and account options which will help you control both the time and money you spend gambling. This includes:

  • Setting Limits
  • Transaction History
  • Reality Check
  • Time out
  • Self-exclusion
  • GamCare Self-assessment
  • Who owns Gentleman Jim Casino?

    Gentleman Jim Casino is fully licensed under ‘Gentleman Jim Bookmakers, ' a trading name of Lovell Brothers Limited, which is licensed and regulated by the UK Gambling Commission (licence number 60213).

  • What is the Gentleman Jim Casino bonus?

    The current welcome bonus is to wager £10 and get 20 Free Spins on the Big Bass Splash slot game.

  • Can I play at Gentleman Jim Casino on my mobile device?

    Yes, there are iOS and Android apps available. You can also play on your smartphone’s browser for a excellent experience. And, of course, the site is compatible with laptops, PCs, and tablets.

  • How many Gentleman Jim Casino slots are there?

    There are over 125 slot games available from the Pragmatic Play and Leap studios; these include the popular Big Bass series of fishing-themed slot games.

  • What payment methods can I use at Gentleman Jim Casino?

    At Gentleman Jim Casino, you can deposit and withdraw using debit cards, bank transfer and cheque. With all payment methods, there is a £10 minimum deposit.

  • How quickly do Gentleman Jim Casino process withdrawals?

    All withdrawal requests are processed between 2 – 5 days, depending on which payment method has been used but it is often sooner.

Gentleman Jim Casino Info & Bookmakers Reviews

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4.5 / 5
  • Ratings: 12

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