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A genuinely new (2025) MGA-licensed casino (White Hat Gaming Limited, same operator as Miami Dice) with an unaudited RTP/RNG transparency gap
Visit Mainio →Pros
- Genuine Malta Gaming Authority licence
- Over 6,000 games
- 24/7 live chat support
- Responsible gambling tools available
Cons
- Trustpilot: parent company White Hat Gaming has documented complaints of accounts closed as soon as customers win significant bets
- Trustpilot: alleged pattern of bonus spam followed by account bans for winning using those bonuses, plus alleged cash-out denial via terms
- SEVERE transparency concern: RTP not publicly audited and RNG testing status shows 'No', per AskGamblers
- Only bank wire transfers accepted - no e-wallets, crypto, or card payments
- Withdrawals can take up to 48 hours, with a EUR5,000 weekly maximum
- Same operator (White Hat Gaming Limited) as Miami Dice - a disclosed multi-brand pattern
- Genuinely new brand (2025) with a thin track record so far
- No locally regulated welcome bonus in Finland
Our verdict
Mainio is operated by White Hat Gaming Limited under a genuine Malta Gaming Authority licence, established 2025, per AskGamblers - the same operator we identified for Miami Dice earlier in this project, a disclosed multi-brand pattern. As a genuinely new brand, it has no complaints on file yet, and offers over 6,000 games with 24/7 live chat support. However, AskGamblers flags a real transparency gap worth noting: the platform's RTP is described as 'not publicly audited,' and its RNG testing status shows 'No.' A real, serious, disclosed caution independently confirmed: Trustpilot reviews of parent company White Hat Gaming document numerous complaints alleging accounts closed as soon as customers win significant bets, a pattern of bonus spam followed by account bans for winning using those bonuses, and allegations that the company uses its terms to deny cash-outs. Since Mainio shares this operator, this is directly relevant even though the brand-new Mainio entry itself has no complaints yet. Withdrawals can take up to 48 hours with a EUR5,000 weekly maximum, and only bank wire transfers are offered - no e-wallets, crypto, or card payments. Finland has no locally regulated welcome bonus for this brand, given its state monopoly.
How we rated it
Casino (36%)7
Over 6,000 games and 24/7 live chat support, per AskGamblers.
Customer support (18%)3
24/7 live chat is offered, but a real, disclosed caution: Trustpilot documents parent-company complaints of accounts closed specifically upon winning, which is a serious support/accountability concern given the shared operator.
Trust & licensing (27%)2.5
A genuine Malta Gaming Authority licence, but AskGamblers flags a notable transparency gap: RTP is not publicly audited and RNG testing status shows 'No'. A real, serious, disclosed caution: Trustpilot reviews of parent company White Hat Gaming document numerous complaints of accounts being closed upon significant wins, bonus-then-ban patterns, and alleged cash-out denial via terms - independently confirmed and directly relevant given the shared operator.
Bonuses & value (18%)1
No locally regulated welcome bonus - Finland runs a Veikkaus state monopoly, with licensing not opening until July 1, 2027.
Welcome bonus
Quick facts
| Operator | White Hat Gaming Limited - same operator as Miami Dice |
| Licence | Malta Gaming Authority |
| Founded | 2025 |
| Transparency gap | RTP not publicly audited; RNG testing status shows 'No' |
| Caution | Trustpilot: parent White Hat Gaming has complaints of accounts closed upon winning, bonus-then-ban pattern, alleged cash-out denial via terms |
| AskGamblers rating | 6.4/10 CasinoRank, no complaints yet (new brand) |
| Bonus status | No locally regulated welcome bonus in Finland (state monopoly til 2027) |
Where Mainio is licensed
Mainio appears on the official register in 1 country — 0 for sports betting and 1 for casino. We only feature it in markets where it holds a licence to accept you.
Europe (1)
About Mainio
Mainio (White Hat Gaming Limited, MGA-licensed, est. 2025) shares its operator with Miami Dice and shows a notable RTP/RNG transparency gap despite otherwise-legitimate licensing. A real, serious, disclosed caution: Trustpilot reviews of parent company White Hat Gaming document numerous complaints of accounts closed upon significant wins and alleged cash-out denial via terms - directly relevant given the shared operator, even though Mainio itself is too new to have its own complaint history.
FAQ
Is Mainio licensed?
Yes - it holds a genuine Malta Gaming Authority licence, per AskGamblers, though its RTP is not publicly audited and its RNG testing status shows 'No.'
Is Mainio safe?
Mixed - it has a legitimate licence and no complaints yet itself (it's genuinely new), but AskGamblers flags an unaudited RTP and untested RNG, and Trustpilot documents serious complaints against parent company White Hat Gaming about accounts being closed upon winning and alleged cash-out denial - real, disclosed cautions given the shared operator.
Does Mainio pay out winnings reliably?
No complaints have been filed yet, but only bank wire transfers are accepted, with withdrawals taking up to 48 hours and a EUR5,000 weekly cap.
Who owns Mainio?
White Hat Gaming Limited, per AskGamblers - the same operator as Miami Dice.
Does Mainio have a welcome bonus in Finland?
No - Finland runs a state monopoly (Veikkaus), with licensing not opening until July 1, 2027, so no locally regulated bonus exists.
