A bookmaker is a licensed company or individual that accepts bets on sporting events and other outcomes. Bookmakers set odds based on the estimated probability of each result and pay out winning bets according to those odds while earning revenue through a built-in margin known as the overround or vig.

How do bookmakers make money?

Bookmakers make money by building a small profit margin into the odds they offer. This margin, commonly called the vig or overround, means the combined implied probability of all possible outcomes exceeds 100%. Over a large number of bets, this allows bookmakers to generate consistent profits regardless of individual results.

What are the best betting sites?

The best betting sites combine competitive odds, broad market coverage, reliable payments, strong live betting features, responsive customer support, and responsible gambling tools. The right choice depends on your betting preferences, which is why comparing bookmakers before registering is always recommended.

Why should I compare bookmakers?

Comparing bookmakers helps you find better odds, more betting markets, stronger promotions, and features that suit your betting style. Even small improvements in odds can significantly increase your long-term returns without increasing your stake.

Which bookmaker offers the best odds?

There is no single bookmaker that consistently offers the best odds across every sport and every event. Prices vary between operators based on their trading models and customer activity. Comparing odds before every bet is the best way to maximise value.

Are online bookmakers safe?

Licensed online bookmakers are generally safe to use. Reputable operators employ encryption technology, identity verification, responsible gambling tools, and secure payment systems to protect customer funds and personal information.

What is a betting exchange?

A betting exchange allows customers to bet against one another instead of betting against a bookmaker. The exchange simply provides the platform and charges a commission on winning bets. Because prices are determined by market demand, exchanges often offer highly competitive odds.

What is the difference between a bookmaker and a betting exchange?

With a bookmaker, you place your bet directly against the operator, who sets the odds and accepts the risk. With a betting exchange, other users offer the odds, and you bet against them instead. Traditional bookmakers often provide more promotions and betting features, while exchanges typically focus on pricing and flexibility.

What are competitive odds?

Competitive odds are prices that offer better potential returns than those available elsewhere. Since bookmakers price events differently, comparing odds across multiple sportsbooks helps identify the most competitive offers before placing a bet.

What is Best Odds Guaranteed?

Best Odds Guaranteed is a promotion most commonly available on horse racing. If the starting price is higher than the odds you originally accepted, the bookmaker settles your winning bet at the higher price, increasing your potential return.

How do free bets work?

Free bets allow you to place wagers using promotional funds instead of your own money. Depending on the bookmaker's terms, winnings are usually paid out without returning the value of the free bet itself.

What is a qualifying bet?

A qualifying bet is a wager that must be placed to unlock a promotional reward such as free bets or bonus bets. Promotions often specify minimum stake amounts, minimum odds, and eligible betting markets.

Why do betting odds change?

Odds change because bookmakers constantly react to new information, betting activity, injuries, weather conditions, and market movements. These adjustments help manage risk while reflecting updated probabilities.

Can I have accounts with multiple bookmakers?

Yes. Many experienced bettors maintain accounts with several bookmakers so they can compare odds, access different promotions, and benefit from each operator's unique strengths.

Which payment method is the fastest?

Most deposits using Apple Pay, Skrill, Neteller, Trustly, and debit cards are processed instantly. Withdrawal times vary between bookmakers, but e-wallets are often among the fastest methods available.

Are betting apps better than desktop websites?

Modern betting apps provide almost all the functionality available on desktop, including live betting, Bet Builders, Cash Out, account management, and payment options. Many bettors now prefer mobile apps because of their speed and convenience.

What should I look for when choosing a bookmaker?

Look beyond the welcome bonus and consider factors such as licensing, competitive odds, betting markets, payment methods, live betting, customer support, responsible gambling tools, and overall user experience.

Bookmakers | Compare the Best Online Betting Sites & Odds

Gambling can be addictive — play responsibly.
18+ only. Never bet more than you can afford to lose. For free, confidential support visit begambleaware.org.

This page may contain affiliate links

Publicado 7 July 2026Atualizado 27 July 2026

0/5

Stake

A Stake tornou-se uma das plataformas de apostas com criptomoedas mais populares do mundo, combinando uma sportsbook abrangente, casino online e os seus exclusivos Stake Originals numa única conta.

+Suporta mais de 20 criptomoedas
+Sportsbook enorme
+Interface moderna e responsiva
+Programa de recompensas VIP forte

200% até €1000

Publicidade | 18+ | Jogue com responsabilidade

Obter bónus

Factos rápidos

Fundada

2017

Empresa

Medium Rare N.V.

Casino

Yes

Sportsbook

Yes

Stake Originals

Yes

Casino ao vivo

Yes

Criptomoedas

20+

Mobile

Web and App

Programa VIP

Yes

Apoio

24/7 Live Chat & Email:

Licença

Curaçao Gaming Authority

Classificação

Sportsbook
Casino
Bónus
Experiência mobile
Pagamentos
Apoio ao cliente
Segurança
Geral

0/5

bet365

A bet365 é uma das plataformas de apostas online mais consolidadas do mundo, oferecendo uma casa de apostas premium juntamente com casino online, póquer e bingo. Durante a nossa análise, encontrámos uma excelente cobertura desportiva, odds competitivas e uma das experiências de apostas ao vivo mais fortes disponíveis, tornando-a uma escolha apelativa tanto para apostadores novos como experientes.

+Uma das melhores casas de apostas disponíveis
+Transmissão ao vivo
+Excelente plataforma de apostas ao vivo
+Odds competitivas
+Grande casino online

100% até €200 + 50 Rodadas Grátis

Anúncio | 18+ | Jogue com responsabilidade

Obter bónus

Factos rápidos

Fundada

2000

Casa de apostas

Yes

Casino Online

Yes

Póquer

Yes

Bingo

Yes

Apostas ao Vivo

Yes

Transmissão ao Vivo

Yes

Criador de Apostas

Yes

Cash Out

Yes

Cash Out Parcial

Yes

Apps móveis

Android & iOS

Métodos de pagamento

Cards, PayPal, Bank Transfer, E-wallets, Trustly

Oferta de boas-vindas

Up to £30 in Free Bets (market dependent)

Bónus de casino

Up to 500 Free Spins (selected markets)

Licença

UKGC, MGA, SGA, DGA, GGL, DGOJ, ADM, KSA, GRAI, SPA, NTRWC, AGCO

Classificação

Casa de apostas
Apostas ao Vivo
Transmissão ao Vivo
Bónus
Casino Online
Experiência móvel
Pagamentos
Apoio ao cliente
Segurança
Geral

0/5

22bet

A 22Bet combina uma casa de apostas desportivas abrangente, casino online e apostas ao vivo numa única conta. Durante a nossa análise, encontrámos odds competitivas, ampla cobertura desportiva e opções de pagamento flexíveis.

+Mais de 1.000 eventos desportivos disponíveis
+Odds competitivas
+Interface moderna
+Suporta vários idiomas e moedas
+Ampla variedade de métodos de depósito e levantamento

100% até €122

Link publicitário | 18+ | Jogue com responsabilidade

Reclamar bónus

Factos rápidos

Fundada

2017

Desportos

40+ sports disciplines

Eventos desportivos

Over 1,000 daily events

Apostas ao vivo

Yes

Jogos ao vivo

Yes

Casino online

Yes

Slots

Hundreds of titles

Aplicação móvel

Android & iOS

Métodos de depósito

Cards, bank transfer, e-wallets, cryptocurrencies

Depósito mínimo

From €1 (depending on payment method)

Idiomas

Multiple

Moedas

Multiple

Bónus de boas-vindas

Sports and casino offers available

Licença

Curacao

Classificação

Casa de apostas desportivas
Odds
Apostas ao vivo
Casino
Bónus
Experiência móvel
Pagamentos
Apoio ao cliente
Geral

Subpáginas

Gambling can be addictive — play responsibly.
18+ only. Never bet more than you can afford to lose. For free, confidential support visit begambleaware.org.

This page may contain affiliate links

Publicado 7 July 2026Atualizado 27 July 2026

0/5

Stake

A Stake tornou-se uma das plataformas de apostas com criptomoedas mais populares do mundo, combinando uma sportsbook abrangente, casino online e os seus exclusivos Stake Originals numa única conta.

+Suporta mais de 20 criptomoedas
+Sportsbook enorme
+Interface moderna e responsiva
+Programa de recompensas VIP forte

200% até €1000

Publicidade | 18+ | Jogue com responsabilidade

Obter bónus

Factos rápidos

Fundada

2017

Empresa

Medium Rare N.V.

Casino

Yes

Sportsbook

Yes

Stake Originals

Yes

Casino ao vivo

Yes

Criptomoedas

20+

Mobile

Web and App

Programa VIP

Yes

Apoio

24/7 Live Chat & Email:

Licença

Curaçao Gaming Authority

Classificação

Sportsbook
Casino
Bónus
Experiência mobile
Pagamentos
Apoio ao cliente
Segurança
Geral

0/5

bet365

+Uma das melhores casas de apostas disponíveis
+Transmissão ao vivo
+Excelente plataforma de apostas ao vivo
+Odds competitivas
+Grande casino online

100% até €200 + 50 Rodadas Grátis

Anúncio | 18+ | Jogue com responsabilidade

Obter bónus

Factos rápidos

Fundada

2000

Casa de apostas

Yes

Casino Online

Yes

Póquer

Yes

Bingo

Yes

Apostas ao Vivo

Yes

Transmissão ao Vivo

Yes

Criador de Apostas

Yes

Cash Out

Yes

Cash Out Parcial

Yes

Apps móveis

Android & iOS

Métodos de pagamento

Cards, PayPal, Bank Transfer, E-wallets, Trustly

Oferta de boas-vindas

Up to £30 in Free Bets (market dependent)

Bónus de casino

Up to 500 Free Spins (selected markets)

Licença

UKGC, MGA, SGA, DGA, GGL, DGOJ, ADM, KSA, GRAI, SPA, NTRWC, AGCO

Classificação

Casa de apostas
Apostas ao Vivo
Transmissão ao Vivo
Bónus
Casino Online
Experiência móvel
Pagamentos
Apoio ao cliente
Segurança
Geral

0/5

22bet

+Mais de 1.000 eventos desportivos disponíveis
+Odds competitivas
+Interface moderna
+Suporta vários idiomas e moedas
+Ampla variedade de métodos de depósito e levantamento

100% até €122

Link publicitário | 18+ | Jogue com responsabilidade

Reclamar bónus

Factos rápidos

Fundada

2017

Desportos

40+ sports disciplines

Eventos desportivos

Over 1,000 daily events

Apostas ao vivo

Yes

Jogos ao vivo

Yes

Casino online

Yes

Slots

Hundreds of titles

Aplicação móvel

Android & iOS

Métodos de depósito

Cards, bank transfer, e-wallets, cryptocurrencies

Depósito mínimo

From €1 (depending on payment method)

Idiomas

Multiple

Moedas

Multiple

Bónus de boas-vindas

Sports and casino offers available

Licença

Curacao

Classificação

Casa de apostas desportivas
Odds
Apostas ao vivo
Casino
Bónus
Experiência móvel
Pagamentos
Apoio ao cliente
Geral


	bet365	Unibet	BetMGM	Stake	22bet
	5,0 Ir para bet365	5,0 Ir para Unibet	5,0 Ir para BetMGM	4,0 Ir para Stake	3,0 Ir para 22bet
Best For	All-Round Experienced Players	All-Round Players	Casino & Sports Bettors	Crypto Bettors	All-Round Crypto Players
Welcome Offer	✓	✓	✓	✓	✓
Live Betting	✓	✓	✓	✓	✓
Live Streaming	✓	✓	✓	✓	✓
Bet Builder	✓	✓	✓	✓	✓
Cash Out	✓	✓	✓	✓	✓
Odds Provider	Own	Kambi	Own/Kambi	Own	Own
Fast Payouts	✗	✓	✓	✓	✓
Casino	✓	✓	✓	✓	✓
Live Casino	✓	✓	✓	✓	✓
Poker	✓	✓	✗	✓	✓
Bingo	✓	✓	✗	✗	✓

Bookmaker	Primary Licence(s)	Available Regions
Stake	Curaçao Gaming Authority (CGA)	Europe, Latin America, Asia, Africa and selected international markets*
22bet	Curaçao Gaming Authority (CGA)	Europe, Latin America, Asia, Africa and selected international markets*
bet365	UK Gambling Commission (UKGC), Malta Gaming Authority (MGA) and multiple local licences	Europe, South America, Asia, Australia and other regulated markets
Unibet	UK Gambling Commission (UKGC), Malta Gaming Authority (MGA) and multiple local licences	Europe, Canada and selected regulated markets
LeoVegas	UK Gambling Commission (UKGC), Malta Gaming Authority (MGA) and multiple local licences	Europe, Canada and selected regulated markets
BetMGM	UK Gambling Commission (UKGC), Malta Gaming Authority (MGA) and multiple local licences	Europe and United States
Betsson	Malta Gaming Authority (MGA), Swedish Gambling Authority (SGA) and multiple local licences	Europe, Latin America and selected regulated markets
ComeOn	Malta Gaming Authority (MGA) and multiple local licences	Europe and selected regulated markets
10bet	Malta Gaming Authority (MGA) and multiple local licences	Europe, Latin America and selected international markets
Interwetten	Malta Gaming Authority (MGA), Austrian licence and multiple local licences	Europe
Betsafe	Malta Gaming Authority (MGA), Swedish Gambling Authority (SGA) and multiple local licences	Europe, Canada and selected regulated markets
Casumo	UK Gambling Commission (UKGC), Malta Gaming Authority (MGA) and multiple local licences	Europe, Canada and selected regulated markets
888sport	UK Gambling Commission (UKGC), Malta Gaming Authority (MGA) and multiple local licences	Europe, Canada and selected regulated markets
VBET	Malta Gaming Authority (MGA) and multiple local licences	Europe, Asia, Africa, Latin America and selected international markets

Bookmaker	Best For	Key Features	Suitable For
Stake	Crypto Betting	Cryptocurrency payments, fast transactions, extensive sportsbook, live betting	Crypto users and international bettors
22bet	Crypto Betting	Wide selection of sports, esports, live betting and international markets	Crypto users and international bettors
bet365	Advanced sports betting	Competitive odds, live betting, Bet Builder, live streaming, extensive betting markets	Football fans, live bettors and experienced players
Unibet	Horse Racing & Football	Strong product, covers a lot of sports, bingo, casino, poker and betting under same account	Players looking for an all-in-one gambling platform
LeoVegas	Mobile Gambling	Award-winning mobile app, intuitive interface, fast payments, well-curated casino	Mobile-first bettors & casino players
BetMGM	US Sports	Excellent coverage of American sports, live betting, award-winning casino	NFL, NBA, MLB and NHL fans
Betsson	Competitive Odds	Wide sportsbook, reliable odds, live betting and user-friendly platform	Value-focused sports bettors
ComeOn	Promotions	Regular offers, odds boosts, Bet Builder and user-friendly sportsbook	Bonus hunters and casual bettors
10bet	Football Betting	Extensive football markets, live betting and competitive pricing	Football bettors
Interwetten	European Sports	Strong football coverage, competitive odds and fast sportsbook interface	Europeans focused on European competitions
Betsafe	Scandinavian Bettors	Wide sports coverage, live betting and simple user experience	Nordic and European sports bettors
Casumo	Sports Betting & Casino	Modern interface, smooth navigation and mobile optimisation	Casino players and casual bettors
888sport	Bet Builders	Flexible Bet Builder, live betting, football markets and regular promotions	Accumulator and Bet Builder bettors
VBET	Live Betting Markets	Extensive live betting, international coverage and large sportsbook	Bettors who prefer bet in-play

Payment Method	Typical Deposit Time	Typical Withdrawal Time
Apple Pay	Instant	1-3 business days
Visa / Mastercard	Instant	1-3 business days
Bank Transfer	Up to 1 business day	1-5 business days
Pay by Bank	Usually instant	1-3 business days
Skrill	Instant	Within 24 hours
Neteller	Instant	Within 24 hours
Trustly	Instant	Within 1 hour
Zimpler	Instant	Within 1 hour
PayPal	Instant	Within 24 hours
Cryptocurrency	Within 15 minutes	Within 6 hours

Sport	Typical Number of Markets
Football	300–1,000+
Basketball	150–500+
Tennis	100–300+
Horse Racing	50–200+ per race
American Football	200–500+
Baseball	150–400+
Ice Hockey	100–300+
Golf	100+ tournament markets
Cricket	100–300+
Rugby	100–250+
Darts	50–150+
Esports	100–400+

Bookmakers

Stake

Factos rápidos

Classificação

bet365

Factos rápidos

Classificação

22bet

Factos rápidos

Classificação

Subpáginas

Bookmakers

Stake

Factos rápidos

Classificação

bet365

Factos rápidos

Classificação

22bet

Factos rápidos

Classificação

Subpáginas

Unibet

Factos rápidos

Classificação

BetMGM

Factos rápidos

Classificação

Bookmakers

Best Bookmakers & Betting Sites at a Glance

Bookmaker Licences & Availability

UK Gambling Commission (UKGC)

Malta Gaming Authority (MGA)

Swedish Gambling Authority (SGA)

Alcohol and Gaming Commission of Ontario (AGCO)

Curaçao Gaming Authority (CGA)

Why Compare Bookmakers & Betting Sites?

What Is a Bookmaker or a Betting Site?

How Bookmakers and Betting Sites Work

How Bookmakers Calculate Odds

Why Odds Change

How Bookmakers Manage Risk

Fixed Odds vs Betting Exchanges

Understanding Betting Odds

Decimal Odds

Implied Probability

Overround (Vig)

Why Different Betting Sites Offer Different Odds

How Odds Movement Works

How Comparing Odds Saves You Money

How Oddsator Compares Bookmakers

Why You Can Trust Oddsator

How to Choose the Best Bookmaker

Licensing

Competitive Odds

Sports Coverage

Payment Methods

Customer Support

Mobile Apps

Responsible Gambling Tools

Bookmaker Strengths Comparison

Betting Features Explained

Live Betting

Bet Builder

Cash Out

Odds Boosts

Best Odds Guaranteed

Live Streaming

Sub On, Play On

Statistics & Match Centres

Types of Sports Bets

Single Bets

Accumulator Bets

Bet Builders

System Bets

Handicap Betting

Asian Handicap

Over/Under Betting

Both Teams to Score

Draw No Bet