HighRoller is an online casino operating on highroller.com. It runs under an Estonian (EMTA) gambling licence held by Happy Hour Solutions Limited.
The licence numbers HKT000063, HKL000374 are recorded in the Estonian register under registry code 65574148, and anyone can confirm them there.
The operating company, Happy Hour Solutions Limited, is registered in Cyprus.
Beyond Estonia, the brand also operates under licences in Curacao through separate companies. The Estonian licence covers only Happy Hour Solutions Limited and its Estonian domains, not those other operations.
On Trustpilot, highroller.com has a published score of 4.
Everything above comes from the public register and the operator's own published details. Where a fact could not be verified, we mark it rather than guess.
Real search traffic by country, coloured by which regulatory face serves that market. This is where the licence story and the audience diverge.
FIspillover
7.9K · 27.7%
CAspillover
6.5K · 22.7%
USspillover
3.7K · 12.8%
GBspillover
610 · 2.1%
NOspillover
605 · 2.1%
Some of this traffic is spillover on generic game or provider keywords, not served players; those regions are blocked.
Search demand can lean differently from actual traffic. Where the two diverge, it is worth noting who looks the brand up versus who actually plays.
FI 16%NZ 16%US 14%CA 12%PH 4%NO 3%
DE 3%GB 3% 
EE · 100
The spelling gives away the market: kasiino = Estonian, kasino = Finnish, kladionica = Serbian, casino = international.
These licences belong to separate legal entities. The Estonian EMTA licence covers only the Estonian company and its domains, not the whole brand.
Yes. HighRoller operates on highroller.com under Estonian licence HKT000063, HKL000374, held by Happy Hour Solutions Limited and recorded in the national register.
Yes. highroller.com has a Trustpilot profile with a published score of 4.
By organic search traffic (Ahrefs), most visits come from offshore markets, while Estonia and Finland make up the EMTA-licensed share.