Welcome to Bangladesh's most trusted online betting platform. Register, claim a 150% bonus on your first deposit, and enjoy Sports Betting, casino, and lottery.
Millions of Bangladeshi players have already chosen bk4 — here's why.
Get a 150% bonus on your very first deposit after registration. Up to ৳15,000 in bonus funds is credited directly to your account — an offer reserved exclusively for new members.
Bk4's support team speaks Bengali. Get 24/7 help via live chat or email — no language barriers, just real solutions in your own language.
Bk4 supports all popular payment methods in Bangladesh — from Mobile Pay, Nagad, and Rocket to bank transfers. Deposits and withdrawals are fast and secure.
Your account is protected with SSL encryption and two-factor authentication. Your personal information and funds are completely secure — that's our commitment to you.
Bet on hundreds of Sports Betting events including cricket, football, kabaddi, and more. Plus Live Casino, slots, and lottery — all on one platform. Register to access everything.
Cash out your winnings fast. bk4 withdrawals are typically processed within 1–3 business days, and verified accounts are processed even quicker.
Your bk4 account is ready in just 4 simple steps — no complications, no hidden conditions.
Signing up at bk4 is straightforward. The entire process takes just a few minutes from your mobile or computer. No technical knowledge required — just fill in your details and start enjoying.
After registration, a verification link will be sent to your email. Click it to activate your account, then make a deposit and claim your welcome bonus.
Learn about bonusesFill in the registration form with your name, email, mobile number, and password. Pick a unique username that represents you. If you have a promo code, add it too.
After registration, a verification link will be sent to the email address you provided. Click the link to activate your account. If you don't see the email, check your spam folder or contact support.
Upload your National ID (NID) or passport for verification. It only needs to be done once and is completed within 24 hours. Verified accounts enjoy higher withdrawal limits.
A 150% welcome bonus is credited to your account the moment you make your first deposit. Add funds via Mobile Pay, Nagad, or bank transfer in any amount and start playing.
Not just words — the numbers speak for themselves. bk4 is one of Bangladesh's most trusted betting platforms.
Online betting and gaming in Bangladesh is no longer just a pastime — it has become the primary source of entertainment for millions. At the heart of this shift, bk4 has established itself as the most trusted and user-friendly platform in the country. The bk4 registration process is so simple that anyone, regardless of age, can create an account in just a few minutes.
Many people assume registering online is complicated or risky. Not at bk4. Our registration form is fully available in Bengali with guidance at every step. Just enter your name, mobile number, email, and password — and the hard part is done. We'll take care of the rest.
The biggest perk of registering at bk4 is the welcome bonus. Get a straight 150% bonus on your first deposit, worth up to ৳15,000. You can use it on Sports Betting, casino games, or lottery. On top of that, new members regularly receive exclusive promotional offers.
Once registered, you'll have access to everything bk4 has to offer — from live cricket betting to international football, tennis, badminton, and more. Play with real dealers in Live Casino, try your luck in the lottery — all on one platform.
Bk4 makes no compromises on security. All information you provide during registration is protected by SSL encryption. The identity verification process (KYC) keeps your account safe from misuse, and enabling two-factor authentication adds an extra layer of protection.
Bk4 understands how payments work in Bangladesh. Mobile Pay, Nagad, and Rocket are all supported, along with bank transfers. Deposits are typically instant, and withdrawals are completed within 1–3 business days.
Joining bk4's VIP program also starts with registration. The more you play, the more points you earn and the higher your VIP level climbs. Top-tier VIP members enjoy exclusive cashback, faster withdrawals, and a dedicated account manager.
Above all, bk4 believes entertainment should be responsible and safe. That's why, from the moment you register, you'll have access to responsible gaming tools such as deposit limits, loss limits, and self-exclusion — all free of charge and built for your protection. So don't wait — fill in the bk4 registration form now and start your betting journey.
Here are answers to the questions new members ask most.
Create your account in just a few minutes and claim a 150% bonus on your first deposit. Bangladesh's best betting experience is waiting for you.
18+ | Play Responsibly | Terms Apply