Casinos not on GamStop 2025 – Top 10 Bookmakers in UK

By

Tomas Chenning

Last Updated: 25, November 2025

In recent years, non GamStop casino sites and bookmakers have become immensely popular in the UK. These sites outperform the competition in many areas, including game variety, bonuses, and payout speeds. Many UK betting sites unscrupulously market themselves as non-GamStop, so identifying the best sites is an uphill task. 

We’ve investigated many top-ranking gambling platforms to identify the top 10 best non Gamstop betting sites. This post reviews the best options and highlights the general pros and cons of online gambling. 

Top 10  Non GamStop Betting Sites & Online Casinos

We have studied hundreds of gambling sites and identified the following ten as the best in the UK. For 2025 these are our highest recommended UK casinos not on GamStop.

  1. Unibet  – A non GamStop betting site enticing players with generous bonuses and instant payouts.
  2. Kwiff – A top-rated gambling site best known for its highly intuitive mobile betting app. 
  3. Rizk – A fast-rising casino site and online bookmaker loved for its high-quality mobile gaming app.
  4. 10Bet – A high-quality sportsbook and online slots site offering up to 8,500 gambling opportunities. 
  5. Midnite – One of the top-rated bookies and non-GamStop casino sites offering over 8,000 gambling opportunities.
  6. MrRex – A top-rated betting site loved for its fast payouts through Visa, MasterCard, PayPal, and Skrill.
  7. Highbet – A highly rated betting site offering a unique casino and sports betting experience on mobile.
  8. Jeffbet – UK’s best-rated slot site providing a huge catalogue of multiline, video, classic, and progressive slots.
  9. Admiral Casino – A fast-rising mobile casino and sports betting site providing over 6,500 gambling opportunities.
  10. Bwin – One of the most popular UK non GamStop casinos, offering a gigantic welcome bonus package

Bookmakers not on GamStop Reviewed

Unibet

Unibet

Unibet is among the most popular casinos not on GamStop in the UK. The site has an exponentially growing user base and has been trending on social media since its launch. Additionally, it has earned a top-rated status on independent consumer review sites such as Trustpilot.

We are impressed by its amazing feedback on all the areas that define a good betting platform. Moreover, we have subjected it to thorough safety tests and confirmed it’s secure. Unibet is licensed by the Malta Gaming Authority (MGA). Gambling sites licensed in Malta are highly trusted in the UK since the two countries have an MOU to collaborate in gaming regulation. Apart from being licensed, the site is regularly audited by reputable independent agencies such as eCOGRA and GLI.

Unibet is a hybrid gambling site, combining casino games and a sportsbook. The Unibet game library boasts over 5,500 titles, the vast majority being real-money slots not on GamStop. There’s also plenty of table games and live-dealer options. All of Unibet’s casino games are from top game studios, such as NoLimitCity, Pragmatic Play, Games Global, PlayTech, and Evolution Gaming power their games. The site provides up to 10,000 betting options and players can wager on different sports, such as football, basketball, volleyball, handball, badminton, golf, horse racing, and car racing. Unibet also offers over a thousand betting markets on over a thousand sporting events worldwide.

Many players are attracted to Unibet by its generous bonuses and promos. The betting platform entices new players with a bonus of up to £1500. Furthermore, it provides tiered loyalty bonuses with a boatload of rewards.

Kwiff

Kwiff

Kwiff is another betting site that has grown tremendously since its launch in 2015. The betting platform was launched in Malta and later expanded its reach to more than 20 countries. Surprisingly, it’s more popular in the UK than in its founding country.

We have scoured the internet for feedback about this platform. Kwiff is a highly rated betting site with an overall Trustpilot score of 4.0/5 after 5,422 reviews. Moreover, the experts positively review it, with many praising it for its innovative mobile gaming platform.

Kwiff is licensed to offer remote sports gambling services. The platform provides betting on popular sports such as football, basketball, horse racing, baseball, tennis, boxing, golf, volleyball, and ice hockey. Moreover, users can bet on popular sporting events such as the NFL, NPL, March Madness, Kentucky Derby, and the Super Bowl. In total, Kwiff provides betting on more than 1000 sports betting events.

Another thing that impressed us about this betting platform is its generous bonuses and promos. Kwiff’s welcome bonus package includes free bets and deposit match bonuses. The type of bonus awarded depends on the gambling option, with sports bettors earning up to £500 in free bets. Kwiff also rewards players for their loyalty in its six-tier VIP program.

Another standout feature of Kwiff is its fast payouts. The betting site accepts various banking methods and provides the fastest withdrawals via e-wallets. Users enjoy under 1-hour withdrawals when they transact via Skrill.

Rizk Casino

Rizk_casino

Rizk Casino is a popular betting platform founded in 2016 and owned by Zecure Gaming Limited. The site provides thousands of gambling opportunities in sports and casino betting.

We have conducted thorough research on the web to determine if this gambling platform is what it claims to be. From our research, we conclude that Rizk is among the top-rated betting sites in the UK.

The site has great reviews, with superb ratings on its social media pages. Rizk is also top-rated on Trustpilot, with an overall trust score of 4.3/5. The reviews reveal that it provides an amazing mobile gaming experience. Rizk is also praised for its huge game library, generous bonuses, fast withdrawals, and highly responsive customer support.

The site is highly trustworthy since it’s licensed in the UK, Australia, Canada, Malta, and Gibraltar. Better yet, it’s subject to regular external audits by reputable agencies such as Gaming Labs International (GLI). Rizk demonstrates its dedication to user safety by fully committing to responsible gaming measures.

Rizk provides up to 10,000 gambling opportunities in both sports and casino games. The game library is huge and diverse, with real money slots not on GamStop dominating the collection. Rizk provides over 4,500 slot machines, categorised into 3D, video, multiline, and progressive jackpot slots.

Regarding table games and live dealer options, they offer many variants of poker, blackjack, roulette, and baccarat. While Rizk is mostly known as an online casino, it’s also a well-equipped bookmaker. Users can wager on various sports and events with some of the best odds on the market. Rizk provides a highly innovative sports betting app. The app is intuitive and lightweight, with superior features like high-definition live streaming.

10Bet

10bet

10Bet is a high-tech sportsbook and online casino founded in 2003. Blue Star Planet Limited, an iGaming company registered in Malta, owns and manages the platform. Our research reveals that 10Bet is among the most trusted casinos not on GamStop UK

Like other top-rated international betting platforms, 10Bet is licensed in multiple jurisdictions, including the UK, Malta and Gibraltar. Betting platforms regulated in these countries are trustworthy because they must adhere to strict user protection measures for regulatory compliance. 10Bet demonstrates its strong commitment to user safety through independent third-party audits.

The most impressive thing about this betting site is its huge gaming library. 10Bet provides 6,000+ casino games from 100+ game studios. At least half of the games on the site are real-money slots. Additionally, more than 60% of the casino games are developed by Spinomenal, Pragmatic Play, Play’n Go, and BG Gaming.

10Bet also provides up to 7,500 virtual and sports gambling options. Sports betting enthusiasts can bet on up to 500 global sporting events and up to 1500 markets. The platform provides an advanced mobile betting app with powerful features for in-play betting.

Many players are also impressed by its bonuses and promos. For casino players, the welcome bonus includes a first deposit match of 100% up to £50. 10Bet also provides 100 free spins on Gates of Olympus in the welcome bonus package. For sports bettors, the site provides a free bet worth £50 as a welcome bonus. The gambling site revises its bonuses regularly, so players should check the site regularly for recent updates.

Another spectacular thing about this betting site is its fast payouts. 10Bet provides seamless withdrawals through top UK banking methods. Users enjoy quick withdrawals through Visa, MasterCard, Skrill, Google Pay, Apple Pay, and Neteller.

Midnite Casino

Midnite-Casino

Midnite Casino is also among the best-rated betting sites not on GamStop. The betting site was launched in 2015 and is owned by Dribble Media. Today, it boasts a user base of over 300,000 gamblers from 6 countries, including the UK. The site is highly trusted because it’s well-licensed and regularly audited for fairness and transparency.

Moreover, it’s best rated for its many gambling options in sports and casino games. Midnite Casino stands out for its real money slots catalogue of 3,500 games. Top slots played on the betting platform include Big Bass Vegas, Book of Dead, Gonzo’s Quest, Fishin Frenzy, and Reel King Big Money. The slot game collection is powered by top providers like Inspired Gaming, NetEnt, NoLimitCity, and Pragmatic Play.

Midnite Casino also provides a superior sports betting platform. Its sports betting version is popular for its unique features, such as the Midnite Bet Builder, Midnite Cash Out, and Midnite In-Play. Midnite’s sports betting version provides over 6,500 betting opportunities on live and virtual sporting events.

Another standout feature of this betting site is its quality bonuses and promos. The gambling site provides a no-deposit bonus of £20 plus 50 free spins on select real-money slots. The signup bonus is only available to casino players. Midnite Casino doesn’t offer loyalty bonuses. 

Regarding payments, the site accepts Visa, MasterCard, PayPal, Trustly, and Skrill. Withdrawals through all the supported banking methods are fast, with debit cards taking less than 12 hours. Users enjoy under 4-hour payouts through the supported e-wallets.

Midnite Casino provides round-the-clock support in English, Spanish, Portuguese, Italian, and French. Users can easily contact them through phone, email, and live chat. We are also impressed by their self-help section, which includes an AI chatbot and a comprehensive FAQs page.

MrRex

MrRex

Founded in 2023, MrRex is one of the fastest-growing UK casinos not on GamStop. The betting platform currently has a user base of nearly half a million gamblers. Furthermore, it’s one of the most reviewed bookmakers on Trustpilot.

MrRex outshines competitors in key areas, including games selection, bonuses, payouts, and customer support. Moreover, it is committed to all important safety and transparency measures. For instance, it’s licensed in Cyprus, Malta, and Gibraltar and, therefore, adheres to the highest regulatory standards.

Additionally, it’s subject to regular external audits and is certified by leading agencies such as iTech Labs. MrRex also demonstrates a strong dedication to responsible gaming. The site provides all the crucial tools, including an internal self-exclusion system. It also partners with BeGambleAware and GamCare to provide free responsible gaming resources.

MrRex provides thousands of gambling opportunities in online casinos and sports betting. However, it’s more dominant as a casino, with its real-money slots attracting many UK gamblers. The site identifies Witches Go Wild, Big Piggy Bank, Wild Riches, Big Bass Splash, and Gonzo’s Quest as its most played slot machines.

MrRex offers a superior sportsbook powered by a highly intuitive mobile betting app. The site offers betting on football, horse racing, basketball, tennis, ice hockey, volleyball, boxing, hardball, baseball, and badminton. Players can also wager on up to 1,300 betting markets.

Regarding bonuses, MrRex provides up to £300 in welcome bonuses. Also provided alongside the deposit match bonus are 50 free spins on Big Bass Splash. Casino players earn the registration bonus automatically when they deposit at least £10. On the other hand, sports bettors earn a free bet worth £50 upon registration.

MrRex provides seamless payouts and guarantees users quick withdrawals through Skrill and other e-wallets.

Highbet Casino

Highbet Casino

Highbet is a new online casino and bookmaker founded in Malta in 2021. Time Solutions Limited, a private iGaming company registered in Valetta, Malta, operates the gambling site. Highbet has grown rapidly since its launch, making it one of the most popular online casinos in the UK and Europe. The site’s popularity results from its amazing gaming opportunities, generous bonuses, and speedy payouts.

Its casino version is incredibly popular and includes 6,500 titles from 150 game studios. Most games in its catalogue are real money slots, including 3D, video, multiline and progressive jackpot slots. They also provide an exciting collection of table games, including 150+ variants of poker, blackjack, baccarat, and roulette. Highbet provides a wide range of sports wagering options. The site provides betting on thousands of live and virtual sports and sporting events. Moreover, it provides highly attractive odds to attract and retain sports betting enthusiasts.

Highbet also outshines competitors in bonuses and promos. The gambling site provides a sports betting signup bonus of £20 for every first bet worth at least £10. The bonus only applies to bets on specific sports, i.e. football, tennis, boxing, horse racing and darts. Regarding casino bonuses, the site provides a first deposit match bonus of up to £50 and 50 free spins on NetEnt’s slot Starburst. The bonus activates on depositing a minimum of £10, and players must wager it 25x before cashing out.

Another impressive aspect of this betting site is its fast payouts. Highbet supports payments through Visa, MasterCard, Skrill, Trustly, PaySafeCard, AstroPay, and PayPal. Users enjoy the fastest payouts by cashing out through e-wallets. Withdrawals through debit cards are faster than other online casinos reviewed in this post.

Jeffbet Casino

jeffbet

Jeffbet is another trending non-GamStop betting site. The platform primarily operates in the UK and Malta, although it also accepts clients from other European countries.

Jeffbet is a fairly new site founded in 2022 by ProgressPlay Limited, a leading iGaming company registered in Cyprus. The betting site has an amazing reputation, with positive reviews all over the internet. We’ve analysed its Trustpilot reviews to determine why users rate it highly. Jeffbet is praised for its high-quality online casino and sports wagering platforms.

Its casino games catalogue is incredibly diverse, with 5,500+ titles from top-quality game studios. Moreover, it offers real-money slots, live dealer games, and table games. JeffBet provides high RTP games and huge progressive jackpots with up to £1 million payouts.

Their online bookmaker version is also incredibly attractive, with the experts rating its app highly. With Jeffbet, players can bet on up to 1,300 betting markets on various sports. The platform provides live and virtual betting on tennis, volleyball, baseball, cricket, hockey, rugby, basketball, football, and horse racing.

Jeffbet’s bonuses are competitive but, unfortunately, not quite as compelling as other non-GamStop betting sites. For casino players, the site provides a first deposit match bonus of 100%, capped at £100. Players are required to deposit a minimum of £10 to activate the bonus. Moreover, they must wager the deposit bonus 35x to withdraw their winnings. The casino also provides 50 free spins on Starburst in the welcome bonus package.

Jeffbet promises prompt withdrawals through various banking options. The betting site accepts deposits and withdrawals through direct bank transfer, MasterCard, and Visa. Users can also transact through e-wallets, including Skrill, MuchBetter, PayPal, Trustly, and eCopayz.

Withdrawals through bank transfer take up to 5 days, while debit cards take less than 12 hours. Payouts via Skrill, MuchBetter, and ecoPayz are the fastest since they take less than an hour.

Admiral Casino

Admiral_Casino

Founded in 2018, Admiral Casino is a rapidly growing betting site in the UK. The platform is owned by Novomatic, an Australian iGaming company that manages over 200 gambling sites in over 50 countries. Admiral Casino is available internationally and popular in many European countries, but it is most successful in the UK. Furthermore, it’s licensed in several countries, including the UK.

As usual, we have combed the internet for feedback about this platform. The betting site is generally positively reviewed, with players rating it highly for its casino games selection. Moreover, many reviewers praise it for its huge jackpots and amazing mobile gaming experience.

Admiral Casino has a rating of 4.6/5 on Trustpilot after more than 3,500 reviews. Additionally, it has many positive reviews on its official Reddit and Facebook pages. The betting site has also been trending on Twitter in the last six months.

Admiral is a casino and a bookmaker, though it’s best known as the former. The betting site provides over 4,500 casino games, including slots and different variants of baccarat, blackjack, roulette and poker. 

Regarding slots, the site provides over 2,200 titles in classic, multiline, video, and progressive jackpot slots. Their games are top quality because they are developed by industry giants such as Pragmatic Play, IGT, Quickspin, Betsoft, and Evolution Gaming.

Admiral Casino provides a welcome bonus of 50 free spins on its exclusive game- Feel the Flutter – to slot players only. Sports bettors also receive a free bet worth £20 on registration. The betting platform currently doesn’t offer any loyalty bonuses. 

Admiral Casino will likely introduce new bonuses, so players should keep checking its website for the latest bonus updates.

Bwin

bwin

Bwin is an established online betting platform that offers a variety of gaming options, including virtual and live sports and casino games. The gambling site was founded in Vienna, Austria, in 1997. Today, it’s available in many countries, including Gibraltar, Germany, Belize, Mexico, Croatia, Italy, France, and the UK.

With over 20 million registered users, Bwin is one of the most popular bookmakers in the world. It’s also among the best-rated non-GamStop betting sites, with over 10,000 reviews on Trustpilot. The experts also review Bwin positively, with many ranking it as the best in its category.

We have conducted in-depth research to determine what sets this betting site apart. Firstly, it offers online casinos and sports betting to cater to players with different preferences. Bwin stands out as an online bookmaker, with players hailing it for its advanced platforms and enhanced odds.

Additionally, it provides more than 1,300 betting markets on various sports and sporting events. Its mobile betting app is easy to navigate and provides better features than most competitors. For instance, its live betting function allows users to explore all the in-play betting options in one interface.

Bwin also provides a superior online casino with more than 5,500 games. Most of the casino games are real-money slots, including 3D, video, multiline, and progressive jackpots. Some popular titles on the site include Book of Fallen, Gate of Olympus, Sweet Bonanza Candyland, Book of Bwin, Pig Banker 3 Little Piggies, and Rich Wilde and the Book of Dead.

Bwin supports various banking methods, including bank transfer, Visa, MasterCard, Luxon, Apple Pay, Google Pay, MuchBetter, and Interac. Payouts via all the supported methods are instant.

How we choose the best betting sites & casinos without GamStop

We identify the best online bookmakers and casinos by analysing swaths of data using powerful big-data analysis tools. The analysed data includes users’ reviews and expert feedback posted on social media and expert publications.

Moreover, we conduct live tests on platforms to determine if they are what they claim to be. Here are the steps we’ve followed to create a list of the best betting sites not on GamStop in 2025.

Features of the best online casinos & sports betting sites

Sports betting

Identifying the best online bookmakers & casinos shouldn’t be challenging if you know where to look. Here are the key features that determine if a gambling site is worth its salt.

The best non-GamStop bookmakers & casinos score highly in all the areas listed above. You can find information about your sportsbook of choice by reading expert reviews on high-quality publications such as this one.

What are Casino Sites not on GamStop?

GamStop is a free self-exclusion scheme offered by betting sites in the UK. The scheme allows players to self-exclude from all UK-licensed betting sites by sending a single request. Moreover, non-GamStop casinos and bookies must limit the bet size, deposit/withdrawals, and bonuses to dissuade problem gamblers.

Unfortunately, many players do not appreciate the GamStop restrictions because they remove the fun from gambling. Non-GamStop betting sites are the alternative for players seeking to avoid the GamStop restrictions.

These gambling sites aren’t mandated to implement the GamStop scheme because they are regulated in offshore markets. Moreover, UK casinos not on GamStop are easy to register with, and most do not require users to complete the KYC process.

Advantages of Non-GamStop Casinos

Non GamStop gambling sites have gained massive popularity in the UK for several reasons. Firstly, they are accessible to all gamblers, including those who find themselves permanently banned from gambling by GamStop.

Many gamblers find themselves permanently restricted by GamStop after requesting a short time out. Additionally, all non-GamStop casinos and bookmakers impose many limits as required by the UK Gambling Commission. The limits affect deposits/withdrawals, stake amount, game variety, and bonuses.

Non-GamStop betting sites offer reprieve because they aren’t mandated to implement restrictions. Consequently, they allow players to deposit huge sums of money, place bigger bets, and withdraw their big wins in a single transaction. Moreover, they provide bigger and more diverse game libraries because they aren’t limited to the game studios they can partner with. GamStop betting sites only provide games from software developers recognised by the Gambling Commission.

Disadvantages of Non-GamStop Casinos

Non-GamStop UK betting sites are incredibly popular but have several drawbacks that every player should know. These include;

UK Online Casinos vs Non GamStop Casinos

Non GamStop bookmakers & casinos have become quite popular in the UK, leaving many gamblers wondering whether to choose them over the local sites. UK online casinos and non-GamStop casinos possess many similarities. But their fundamental regulation differences mean they offer very different experiences to their players. Here’s a comparison:

non-GamStop Casinos Local UK Betting Sites
All non GamStop casinos UK players can access are licensed in offshore markets. They may accept British players, but that doesn’t mean they are UK-regulated.  UK casinos are always licensed in the United Kingdom by the UK Gambling Commission (UKGC) – a very reputable regulator.
Non-GamStop casino offer a variety of casino games & betting options. They are also incredibly generous with their bonuses. This is because they do not face any regulatory barriers from the UKGC. The UKGC limits betting markets and restricts certain casino game mechanics, meaning fewer opportunities for fun and flexible gaming. Worse still, The UKGC limits the types of bonuses offered and caps max bonus values too.
Supports a variety of banking methods, including crypto Only supports payments through banking methods authorised by the local regulator
Flexible and yet highly effective responsible gaming measures Very strict on responsible gaming – required by the regulator to offer self-exclusion via GamStop

Getting the most out of slots not on GamStop

Sports betting may be one of the UK public’s favourite hobbies, but its popularity pales in comparison to the real king of online gambling: online slots. That’s why non-GamStop casinos offer so many excellent slot options. Here are a few pro tips to help you maximise your chances when spinning the slots at non-GamStop casinos:

Explore the expanded selection – It won’t take you long to notice that non-GamStop casinos have lots more games than you are used to at UK sites. You will also see unfamiliar providers and new mechanics. To maximise your chances, take advantage of the new options at your disposal. Look for games with high RTP rates and high volatility, they pay out the largest jackpots most consistently. Good non-GamStop casinos will list the RTP and volitility of their games clearly.

Use your bonuses wisely – For first-timers, the generous bonuses on offer at non-GamStop casinos can come as a shock. Free spins seem to fall from the sky, and welcome bonuses are bigger than any offered in the UK. It’s easy to get excited and carried away, but don’t. First, check the bonus terms and conditions. Always make sure they have low wagering requirements. 

Getting the most out of Sports Betting Sites not on GamStop

Sports betting can be an exciting way to engage with your favourite sports, but finding the right bookmakers is crucial for a positive experience. If you’re looking for the best sites not on GamStop, here are some tips to make the most out of your online betting:

Do bookies not on GamStop adhere to responsible gaming?

Responsible Gaming

Inexperienced gamblers assume that non-GamStop bookies do not implement any responsible gaming measures. On the contrary, the best casinos not on GamStop are as committed to responsible gaming as the GamStop betting sites.

The top sites reviewed in this post provide various responsible gaming tools and resources. Among these tools is an internal self-exclusion system that allows gamblers to take a time out. Their self-exclusion systems are more effective than the GamStop scheme.

Also, top-rated gambling sites partner with responsible gaming organisations such as GamCare and BeGambleAware. These organisations provide more comprehensive resources and free treatment to players struggling with compulsive gambling.

Furthermore, the best non-GamStop casino sites and bookmakers undergo regular responsible gaming audits.

Mobile-Based Gambling Sites Not on GamStop

Non-GamStop UK betting sites offer flexibility and convenience in most areas. For instance, they provide more casino games and betting options on their mobile apps than local platforms.

For sports bettors, non-UK football betting sites compete on a global level and, therefore, must focus more on user experience to remain competitive. These sites prioritise a user-friendly interface and seamless navigation to enhance the betting experience on mobile devices. They invest in design and functionality, making it easier for users to place bets and access features on the go.

Also, betting sites not on GamStop can incorporate a broader range of features, such as live betting, advanced betting options, and personalised dashboards, improving overall functionality. Players can download the mobile apps for top-rated non-UK sports betting sites on Google Play and the App Store.

Best UK Casinos Not on GamStop – Final Word

Many UK gamblers have found themselves permanently banned from gambling by GamStop after requesting to be self-excluded for a short time. Moreover, many gamblers do not appreciate the restrictions imposed by the GamStop scheme.

To help you enjoy your online gambling experience, we have conducted thorough research to identify the best non-GamStop bookmakers and casinos. We’ve tested all the best sites reviewed in this post and found them worthwhile. 

Additionally, we’ve confirmed that they are licensed and have enough safety measures. Also, betting sites not on GamStop in the UK are strongly committed to responsible gaming.

Most of the bookies and casinos not on GamStop reviewed in this post operate internationally. For those licensed in the UK, players may need to use their international versions to avoid the GamStop scheme. GamStop is mandatory for all UK-licensed betting sites.

Frequently Asked Questions

How do I identify legitimate non-GamStop bookmakers?

There are many football betting sites in the UK, so identifying the best is always a challenge. However, there are key things that every gambler should consider before signing up with any bookmaker. These include licensing, reputation, and customer service.

Are non-GamStop betting sites safe?

Non GamStop gambling sites mostly operate under offshore licenses, so many gamblers wonder if they are legit. Being licensed in offshore markets doesn’t always mean that the gambling site is unsafe. Some of the best non-GamStop casinos and bookmakers are licensed in top-tier markets.

Why should I play with non-GamStop bookmakers?

Non-GamStop bookmakers are considered more flexible than their GamStop counterparts. Moreover, they provide a reprieve to gamblers who are permanently banned by GamStop.

Are non-UK casino sites legal?

Offshore gambling sites operating in the UK do not break any laws because the local regulator doesn’t explicitly ban them. Instead, the regulator encourages players to only play with local sites for full protection.

Do I need a VPN to play with the best non-GamStop sports gambling sites?

You will need a VPN to access international gambling sites with geographical restrictions. However, some betting sites are completely against VPN use and will automatically ban you if they detect you are using one.