Please read these Terms & Conditions carefully before creating an account or using any services on Big Small. We've written everything in plain language — nothing buried in fine print.
Before reading the full details, check these quick summary cards — they cover the key points at a glance.
You must be at least 18 years old to open an account at Big Small. A National ID or passport is required for KYC verification. Each person may register only one account.
You are responsible for keeping your login credentials secure. Never share your password with anyone. Do not allow others to access your account. If you notice any suspicious activity, contact support immediately.
Big Small uses certified RNG technology, ensuring that every casino game result is entirely random and unbiased. Sports odds are generated based on real-time market data.
Deposits and withdrawals are available via bKash, Nagad, Rocket, and Upay. Minimum deposit is ৳200. Withdrawals are typically processed within 15 minutes. Withdrawals may be on hold if your account is not verified.
Big Small strictly prohibits underage betting. If a member is found to be under 18, their account will be immediately closed and all winnings will be forfeited.
Every bonus offer comes with wagering requirements. It's important to read the terms before claiming a bonus. The same bonus cannot be claimed more than once from a single account. Bonus abuse may result in account termination.
These Terms & Conditions are issued by Big Small (bigsmall.best) of use. By registering or using the platform, you are deemed to have automatically accepted these terms. If anything is unclear, please contact the support team.
Big Small (bigsmall.best) is an online betting platform providing Sports Betting, Live Casino, and related entertainment services for users in Bangladesh and South Asia. Throughout this document, "Big Small", "we", and "our" refer to the entity operating the platform. "You", "user", and "member" refer to the registered account holder.
Using Big Small's services constitutes your acceptance of these Terms & Conditions, the Privacy Policy, and the Responsible Betting Policy. Together, these three documents form the legal basis of our relationship.
These terms are written in English so that every user in Bangladesh can understand them clearly. A Bengali version is also available; however, in the event of any dispute, the Bengali version shall be treated as the original.
Big Small offers the following services:
Big Small reserves the right to modify, suspend, or discontinue any or all of the above services at any time — prior notice will be attempted where possible, but is not guaranteed.
| Glossary | Meaning |
|---|---|
| Wagering | The number of times you must wager your bonus funds before a withdrawal can be made. |
| KYC | Know Your Customer — the identity verification process that requires a government-issued ID. |
| House Edge | The mathematical house edge applied to casino games on the platform. |
| RNG | Random Number Generator — a certified random number generator. |
| Free Bet | Free bets provided by Big Small — giving you the chance to place bets without risking your own money. |
| Self-Exclusion | A self-exclusion option that lets you take a break from the platform for a set period of time. |
To open an account with Big Small, the following conditions must be met:
If false or misleading information is provided during registration, Big Small reserves the right to terminate the account and forfeit all winnings at any time. If a single individual holds multiple accounts, all of them will be closed and no balance will be refunded.
Big Small may require KYC verification before your first withdrawal or for security purposes. You will need to submit a clear photo of your National ID (NID), passport, or driving licence. Some services may be restricted until KYC is complete.
Once a bet is confirmed, it cannot be cancelled or modified — unless Big Small itself decides to correct an error. If a technical fault is detected in the odds display, the affected bet may be voided and the user's stake will be refunded.
Big Small sets maximum win limits per bet and per day for each category. These limits are displayed in the betting interface. If winnings exceed the set limit, payouts will be made up to that limit only.
If a sports event is cancelled or ends before the scheduled time, Big Small follows the policy outlined below:
Odds in live or in-play betting change rapidly. The odds displayed at the time of bet confirmation are final. Any odds movement after a bet is submitted has no effect on already confirmed bets.
Deposits at Big Small can be made via bKash, Nagad, Rocket, and Upay. Minimum deposit amount ৳200. Deposits are usually credited to your account instantly. If there is any delay, please notify the support team within 24 hours.
Withdrawals must be made through the same payment channel used for the deposit. Minimum withdrawal amount ৳500. Withdrawals may be held if KYC verification is incomplete. Big Small reserves the right to temporarily suspend withdrawals in cases of suspicious activity.
Depositing or withdrawing using another person's mobile number or bank account is strictly prohibited. This falls under our anti-money laundering policy. Any such activity will result in immediate account suspension.
Big Small processes all transactions in Bangladeshi Taka (BDT). Big Small is not liable for any losses resulting from exchange rate fluctuations at market rates.
Every bonus offer at Big Small comes with its own specific terms. By accepting a bonus, you automatically agree to the special conditions attached to that offer.
Fraudulent use of the bonus system — such as claiming the same bonus across multiple accounts, arbitrage betting, or systematic bonus hunting — is strictly prohibited. Big Small uses advanced tools to detect such activity and reserves the right to close any accounts involved.
The welcome bonus applies only to a new member's first deposit. An existing user cannot claim the welcome bonus again by opening a new account — this is considered bonus abuse.
If a user is found to have engaged in any of the activities listed below, their account will be immediately closed and all balances and winnings may be forfeited.
Big Small may terminate or suspend any account for the following reasons:
If you wish to close your account yourself, contact Live Chat support or support@bigsmall.best. Please withdraw any remaining balance before closing your account — retrieving funds after closure may be complicated.
Big Small takes the protection of your personal data seriously. Our Privacy Policy details what information is collected, how it is used, and when it may be shared with third parties. The key points are:
Big Small makes every effort to provide uninterrupted service, but we are not liable for the following:
Big Small's maximum liability for any single incident shall be limited to the value of the transaction involved in that incident.
Big Small firmly believes betting should be a healthy form of entertainment — not a source of financial stress. We provide the following tools:
For more details, visit our Responsible Gaming View the page.
Big Small reserves the right to modify these terms and conditions, in part or in full, at any time. For significant changes:
If you do not agree to the updated terms, you may request account closure via live chat or email.
If you have any questions or complaints about these terms, please get in touch using the methods below:
For any betting dispute, contact the support team first. Big Small reviews user complaints fairly and aims to resolve them within 48 hours. If the issue remains unresolved through support, you may escalate your complaint to the platform's licensing authority.
Big Small takes every user concern seriously — our goal is to provide fast and fair resolutions.
These Terms & Conditions were last updated January 2026. If you have difficulty understanding any section, Big Small's support team is ready to assist you in Bengali.
Bengali (Original) Big Small-we have deliberately kept this section straightforward. We believe that when a member is clear on their rights and responsibilities, the chances of any misunderstanding down the line are significantly reduced.
The most debated aspect of any betting platform's terms is the bonus wagering requirement. Many platforms hide this in small print or complex language — leaving users pleased to receive a bonus, only to later discover that withdrawing it is far from straightforward. At Big Small, the wagering requirement is clearly stated in the very first line of every bonus offer.
The payment terms are also worth explaining in more detail. At Big Small, deposits and withdrawals must be made through the same channel — this is an important anti-money laundering measure. If you deposit via bKash, you must also withdraw via bKash. While this may seem like a restriction, it is in place to protect the security of your account.
There are often questions about the multiple accounts rule. Can several members of the same household use Big Small? Yes — provided each person uses a separate ID, a separate mobile number, and a separate payment channel. It is not possible to open more than one Big Small account using the same mobile number or the same payment account.
Betting using match fixing or inside information is prohibited — this rule goes to the heart of betting industry integrity. It is essential for keeping Big Small's betting environment fair and competitive. Big Small uses advanced algorithms to detect unusual betting patterns.
One of the most common account security mistakes is letting someone you know use your account. This is a violation of Big Small's terms. You are fully responsible for everything that happens on your account — good or bad. The safest approach is to never share your login credentials with anyone.
When it comes to dispute resolution, Big Small always prioritizes reaching a solution through dialogue. If you have a question about a bet result, a payment issue, or confusion over a bonus — reach out via live chat. Most issues can be resolved within minutes.
In closing — Big Small's Terms & Conditions are a mutual agreement, not just a set of written rules. They protect both parties — you and us. We want you to use Big Small with full awareness, enjoy a great experience, and remain a trusted member for the long term.
You've read the terms and you know exactly what to expect. Join with confidence — there are no hidden surprises at Big Small.