| G'Day Casino gdaycasino.com | White Hat Gaming | UKGC, MGA | 1 |
| G4G g4g.sk | Slovak Games | Slovakia | 1 |
| Gala Bingo galabingo.com | Entain plc | UKGC | 1 |
| Gala Casino galacasino.com | Entain plc | UKGC | 1 |
| Gala Spins galaspins.com | Entain plc | UKGC | 1 |
| Galera.bet closed galera.bet.br | Galera.bet (Galera Gaming Group) | Brazil SPA (Ministry of Finance) | 1 |
| Gamdom gamdom.com | Moon Revolution | Anjouan | 1 |
| Gamebookers gamebookers.com | Entain plc | UKGC | 1 |
| Gamemania gamemania.co.ke | Not identified | Kenya | 1 |
| GameWorld gameworld.ro | Megabet International SRL | Romania | 1 |
| GameWorld Bet gameworldbet.sk | GameWorld | Slovakia | 1 |
| Gaming Club gamingclub.com | Super Group (SGHC) | Kahnawake | 1 |
| Gana Express ganaexpress.bet | Not identified | Peru MINCETUR | 1 |
| GanheiBet closed ganhei.bet.br | Pixbet Soluções Tecnológicas Ltda. | Brazil SPA (Ministry of Finance) | 1 |
| Gapa Group online herna.gapagroup.cz | GAPA GROUP | Czechia | 1 |
| Gbets gbets.co.za | Goldrush Gaming Group (BetNova) | South Africa Western Cape | 1 |
| GeckoPlay geckoplay.co.uk | run by SkillOnNet white label | UKGC, MGA, Sweden | 4 |
| GemBet gembet.com.au | Not identified | Australia VGCCC (Victoria) | 1 |
| GenerationVIP sold generationvip.com | Karamba | — | 1 |
| Genesis Casino closed genesiscasino.com | Genesis Global | MGA, UKGC | 1 |
| Genting Casino gentingcasino.com | run by SkillOnNet white label | UKGC, MGA, Sweden | 4 |
| Gentingspielhalle DE gentingspielhalle.de | SkillOnNet | UKGC, MGA, Sweden | 1 |
| Genybet genybet.fr | Genybet | France | 1 |
| GeralBet closed geralbet.bet.br | Logame do Brasil Ltda | Brazil SPA (Ministry of Finance) | 1 |
| Germania Sport germaniasport.hr | Germania Sport | Croatia | 1 |
| Get's Bet getsbet.ro | Get's Bet | Romania | 1 |
| GetLucky getlucky.com | ComeOn Group | Denmark | 2 |
| GetSlots getslots.com | Dama N.V. / Novatrix SRL network | Tobique, Anjouan | 1 |
| GGBET Ukraine ggbet.ua | GGBET Ukraine | Ukraine | 1 |
| GingaBet closed ginga.bet.br | Jogo Principal Ltda | Brazil SPA (Ministry of Finance) | 1 |
| Gioca7 (IT) gioca7.it | Not identified | Italy | 1 |
| Giochi24 (IT) giochi24.it | Lotto.com Holdings | Italy | 1 |
| GiocoDigitale giocodigitale.it | Entain plc | Italy | 1 |
| Glimmer Casino glimmercasino.com | ProgressPlay | UKGC, MGA | 1 |
| Global Poker globalpoker.com | VGW Holdings | — | 1 |
| Glossy Bingo glossybingo.com | Broadway Gaming Group | UKGC | 1 |
| Goalkings goalkingsug.com | Not identified | Uganda | 1 |
| GoGoCasino gogocasino.com | LeoVegas Group | Sweden | 1 |
| Gol de Bet closed goldebet.bet.br | Sabia Administracao Ltda | Brazil SPA (Ministry of Finance) | 1 |
| Gold Cup closed goldcup.ua | Alfageim (Gold Cup) | Ukraine | 1 |
| Goldbet (IT) goldbet.it | Lottomatica Group | Italy | 1 |
| GoldBet Australia goldbet.com.au | Not identified | Australia Liquor & Gaming NSW | 1 |
| Golden Bull goldenbull.se | Paf (Ålands Penningautomatförening) | Sweden | 2 |
| Golden Crown goldencrowncasino.com | Metlait SRL | Anjouan | 1 |
| Golden Grand closed goldengrand.ch | Airport Casino Basel AG (Grand Casino Basel) | Switzerland | 1 |
| Golden Nugget Online Casino goldennuggetcasino.com | DraftKings Inc. | US state | 1 |
| Golden Palace Dice goldenpalacedice.be | Golden Palace (Belgium) | Belgium | 1 |
| Golden Palace Sports goldenpalacesports.be | Golden Palace (Belgium) | Belgium | 1 |
| Golden Star Casino goldenstar-casino.com | Befuria GO OÜ | Estonia | 1 |
| Golden Vegas Sport goldenvegas-sport.be | Golden Vegas (Noordzee Electronics) | Belgium | 2 |
| GoldenPark goldenpark.es | Grupo Orenes | Spain | 2 |
| Goldentiger (KGC) goldentiger.casino | Casino Rewards | Kahnawake | 2 |
| Goldrummel goldrummel.de | Tipico Group | Germany | 2 |
| Goldrummel SH sh-goldrummel.de | Tipico Group | Germany | 1 |
| Golobet golobet.com | Hazy Ltd | Anjouan | 1 |
| Goodman Casino goodmancasino.com | Dama N.V. / Novatrix SRL network | Tobique, Anjouan | 1 |
| Gorilla gorilla.ua | Gorillabet | Ukraine | 1 |
| GoSlot goslot.com | Gammix Limited | — | 1 |
| GP Casino gpcasino.ro | Megabet International SRL | Romania | 1 |
| Granawin (KGC) granawin.com | Moon Technologies | Kahnawake | 1 |
| Grand Casino online closed grandcasino.hu | LVC Diamond (Las Vegas Casino) | Hungary | 1 |
| Grand Eagle Casino grandeaglecasino.com | TD Investments Ltd | Kahnawake | 1 |
| Grand Ivy grandivy.com | run by White Hat Gaming white label | UKGC, MGA | 1 |
| Grandhotelcasino (KGC) grandhotelcasino.com | Casino Rewards | Kahnawake | 1 |
| Grandmondial (KGC) grandmondial.casino | Casino Rewards | Kahnawake | 2 |
| Grandwin grandwin.com | Next Global Era Limited | Anjouan | 1 |
| GrandX grandx.com | Alpache OÜ | Estonia | 1 |
| Gransino gransino.com | Araxio Development N.V. | — | 1 |
| Gratogana gratogana.es | Not identified | Spain | 1 |
| Grattiano grattiano.io | Buscarar SRL | Anjouan | 1 |
| Great Britain Casino greatbritaincasino.com | run by Jumpman Gaming white label | UKGC, Alderney | 1 |
| GREATwin greatwin.com | Rabidi N.V. | Curaçao | 1 |
| Greekwin greekwin.io | Buscarar SRL | Anjouan | 1 |
| Greenjack Casino greenjackcasino.be | Golden Vegas (Noordzee Electronics) | Belgium | 1 |
| Griffon Casino closed griffoncasino.com | Karamba | — | 1 |
| Grizzlysquest (KGC) grizzlysquest.com | Super Group (SGHC) | Kahnawake | 1 |
| Grosvenor Casinos grosvenorcasinos.com | The Rank Group Plc | UKGC | 1 |
| GSB Uganda gsb.ug | Not identified | Uganda | 2 |
| GuazuBet guazubet.bet.ar | IPLyC Misiones (state lottery) | Argentina IPLyC Misiones | 1 |
| Gudar Casino gudarcasino.com | Wild Blackfin Limited SRL | Anjouan | 1 |
| Gun Lake Casino Online (betPARX) playgunlake.com | Gun Lake Tribe (Match-E-Be-Nash-She-Wish Band of Pottawatomi Indians) | US state | 1 |
| Gunsbet gunsbet.com | Dama N.V. / Novatrix SRL network | Tobique, Anjouan | 1 |
| Guts guts.com | Betsson AB | UKGC | 1 |
| GXSpins gxspins.com | Fortaprime SRL | — | 1 |