About 21 Blackjack Betting

A studio building casino-style games for people who want the atmosphere of a table without a single penny on the line.

The company behind the site

21 Blackjack Betting is owned and operated by JMG CONCEPT 2 SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ ("JMG Concept 2"), a Polish limited liability company. The same team designs, writes and maintains every game on this site itself — nothing here is licensed in from a third party.

Why we built it

Most casino games online are a shop window for real-money betting. We wanted the opposite: the cards, the wheel and the reels on their own, with free coins, no cashier and no sales pitch. The name is a nod to the game everyone starts with — blackjack, twenty-one — and the site grew from that one table.

What we make

Four games so far, all written in-house: blackjack, European roulette, three-reel slots and Jacks or Better video poker. They are plain web pages that load fast on a phone and work without downloads or plugins.

Our position on gambling

We are not a gambling operator, we hold no gambling licence and we do not need one, because no money is ever staked here. We do not run affiliate links, we do not sell traffic to casinos and we do not accept advertising from real-money gambling brands. Our games award virtual coins that have no value outside the page you are looking at.

Who it is for

Adults aged 18 and over, mainly in the United Kingdom. Content, wording and support links are written for a UK audience, and we keep the age gate on every visit.

Talk to us

Feedback, bug reports and awkward questions are all welcome on the contact page. We read everything, even when a reply takes a couple of days.