About Us
Welcome to Online-Slot.co.uk, we’re stoked you’ve found your way here! We’ve been around since 2011, when our founder Chris Taylor decided he’d had enough of dodgy, inaccurate slot reviews and set out to build a site that actually delivered what UK players wanted: real, honest, and expert-led reviews of the slots they love.
Who We Are
Online-Slot.co.uk is the UK’s go-to slot and casino comparison site. We like to think of ourselves as one of the good guys: an independent platform, free from operator bias and built by players, for players. Our team is made up of seasoned slot players, data boffins and industry experts with a combined 40 years of gaming experience under their belts. We focus on serving the UK market with reviews that are 100% accurate and player-first.
Our Story
Chris Taylor founded Online-Slot.co.uk in 2011 with a simple mission: to sort out the rubbish slot reviews that were clogging up search engines. He knew that players deserved better: honest, data-driven assessments of the slots they were playing. Since then, we’ve grown from a small blog into one of the most trusted slot resources in the UK.
Our Parent Organisation: Gentoo Media
Gentoo Media is our parent company. Founded in 2015 in St. Julian’s, Malta (Company Registration Number C 72261), Gentoo Media is a big player in the iGaming industry, with its own affiliate business. It’s dual-listed on the Oslo Stock Exchange (Ticker: GENT-ME) and Nasdaq Stockholm (Ticker: GENT).
The company’s roots trace back to 2007 with the launch of Rebel Penguin in Copenhagen, which was acquired by Gaming Innovation Group (GiG) in 2017 to form GiG Media. Following a strategic spin-off in 2024, the media division officially rebranded to Gentoo Media, operating as an independent, pure-play affiliate organisation.
Today, Gentoo Media employs over 450 industry professionals across 4 global offices and manages a portfolio of more than 150 digital media assets, including several world-class flagship brands. Backed by proprietary compliance software and data analytics, Gentoo Media connects millions of players with licensed, safe online casino and sports betting operators worldwide.
Our Offices
Our main operational hub is in Birkirkara, Malta, but Gentoo Media has offices all over Europe.
What Do We Do?
We help UK players make sense of the online slot market by delivering independent reviews, clear rankings and loads of educational resources.
We Review & Rate Slots and Casinos
We dig deep into over 50 slot providers to bring you the lowdown on mechanics, reel layouts, RTP, volatility and bonus features. We also test UK online casinos from registration to cashout.
We Categorise & Create Listings
We’ve got thousands of slot games spread across 8 categories:
- New Slots
- Best Slots
- Free Slots
- Jackpot Slots
- Megaways Slots
- Best RTP Slots
- Grid Slots
- Branded Slots
Further, you can find Slot Providers, as well as several Slot Themes. We know it’s not always easy to find the right game, so we try to make it as easy as possible with our curated lists.
And don’t even get us started on our casino categories! We group UK online casinos into a few key categories to suit every type of player:
We Educate UK Players
We don’t just give recommendations; we’re all about education first and foremost. We publish in-depth guides on slot mechanics, variance, bankroll management and payout structures so you can make informed decisions about slot games. We also give you the lowdown on each game’s features, including reel layouts and bonus mechanics, and we’ve even got a collection of free-to-play slot demos for you to try out before you bet real money.
How Do We Do It
We combine 40 years of slot testing experience with data-driven evaluations to bring you the most objective, independent slot reviews out there. Backed by Gentoo Media, our analysts use a range of metrics, including RTP and bonus frequency, to evaluate UKGC-licensed operators. We’re not afraid to speak truth to power, and we’re not beholden to any commercial interests. Transparency is a crucial element in how we build trust with players.
Beyond reviews, we’re all about educating players with transparency, clear rating criteria and robust responsible gambling resources. We set high standards for ourselves on accessibility, green hosting, and workforce inclusion. Here are some of the ways we maintain those high standards:
Unmatched Expertise and Experience
Our team has a combined 40 years of slot testing experience. We play each slot extensively before we even start writing our reviews. Check out our authors and meet the experts behind our content.
Through Data-Driven Evaluations
We don’t just wing it; our review scores actually measure up to hard facts on RTP, bonus frequency, mobile performance, and cash-out speed. Want to see exactly how we rate the slots and casinos? Head over to our methodology page.
By Maintaining Editorial Integrity
Our editorial team is completely independent of our commercial partners: no operator can pay to get a better review. Check out our editorial guidelines to see the standards we live by.
Ensuring Legal Compliance for Safety
We only work with operators who’ve got a valid UK Gambling Commission (UKGC) licence. Online-Slot.co.uk is also a member of the Gambling Portal Webmasters Association; we follow their code of conduct to the letter.
Empowering UK Players with Knowledge
We break down complex slot terms like hit frequency and cascading reels so that they make sense to everyone. Our guides help you make informed choices about which games to play and which ones to avoid. When it comes to reviews, we only use verified and licensed resources. No guesswork here.
Promoting Responsible Gambling
We worry about player safety: it’s a fundamental part of our work. We provide guidance on setting deposit limits, looking out for signs of problem gambling, and using self-exclusion tools. To help educate our players, our responsible gambling guide is available at your disposal.
If you need support, or you know someone who does, there are resources available:
 National Gambling Helpline | 0808 8020 133 |
 GamCare | 0808 8020 133 |
 Gamblers Anonymous UK | 0330 094 0322 |
Prioritising Environmental Sustainability
While the whole world care about the environment, Online-slot.co.uk isn’t any different. Our platform is hosted on super-efficient servers, and our code’s been optimised to cut down our digital carbon footprint.
Supporting Diversity and Inclusion
Our parent company’s all about fostering an inclusive workplace where everyone’s got equal opportunities, no matter their background or what they’re working on. We know that people are our greatest asset, so diversity’s top of our agenda.
How Do We Make Money?
Our main income comes from affiliate marketing. When you click a link to a casino on our site and sign up, we might get a commission (but it won’t cost you any extra). These commissions help us fund our testing team, keep our site safe and secure, and keep churning out new content.
Our Selection Process
Commercial agreements have never influenced our ratings or recommendations. In fact, some games and casinos on our site don’t pay us a penny; we treat every product the same, with the same rigorous process to make sure our recommendations are always trustworthy and unbiased.
Media and Press
We regularly share our thoughts on the industry, some data analysis and our brand assets with journalists and media outlets. Want to get in touch? Head over to our Blog page for high-res assets, press releases and social media bios.
Contact Us
We love hearing back from the community: questions about a review, technical suggestions or just general chat are all welcome. Email us at
 Miona Ludoski | [email protected] |
 Jovana Bicanin | [email protected] |
or visit our Contact Us page.