A BMO High Interest Savings Account is a deposit account designed to earn interest on your savings with flexible access. The bank offers several specific account types, including the Savings Amplifier Account, which can feature promotional interest rates. These accounts are part of BMO's personal banking services, accessible through branches, online, and mobile banking. For Canadian savers, understanding the features, rates, and conditions of these accounts is essential for managing short-term savings goals.
Types of BMO High Interest Savings Accounts
BMO offers several distinct savings accounts under the high-interest category, each with different structures and features. The Savings Amplifier Account is one option that currently advertises a promotional interest rate of 5.00 percent for a period of four months when an eligible chequing account is also opened. This account has no monthly plan fee. The standard interest rate for the Savings Amplifier Account is 0.450 percent on balances, with the rate applying to amounts both up to $10,000 and over $10,000.01. Another product is the Savings Builder Account, which is designed for active savers and also features no monthly plan fee.
The Savings Builder Account offers a base interest rate and the potential to earn a bonus savings interest rate of up to 0.450 percent each month. This bonus is typically contingent on increasing the account balance by $200 in a given month. The interest rates for this account apply to balances up to $250,000. BMO also provides a basic High Interest Savings Account which requires a minimum initial investment of $1,000. Beyond these, BMO offers other savings vehicles like the Smart Saver Account and the Premium Rate Savings Account, which may have different transaction limits and fee structures.
Interest Rates and Promotional Offers
Interest rates on BMO High Interest Savings Accounts consist of a standard ongoing rate and, frequently, a limited-time promotional rate. The promotional rate for the Savings Amplifier Account is 5.00 percent, which is available for four months upon meeting specific conditions, such as opening an eligible chequing account. After the promotional period concludes, the interest rate reverts to the standard rate, which for that account is 0.450 percent. It is important to note that promotional savings rates from various Canadian banks, including offers from competitors, were still above 4.60 percent as of October 2026.
The standard interest rates for BMO savings accounts are tiered or flat depending on the specific product. For example, the Savings Builder Account uses a structure where a bonus rate can be earned monthly. In the broader Canadian market, standard high-interest savings account rates often range from 1 percent to 2.50 percent, though promotional rates can be significantly higher. Interest earned in non-registered savings accounts is subject to taxation, which must be reported as income.
Account Features and Accessibility
BMO High Interest Savings Accounts are designed to provide security and flexibility for savers. Key features across different account types include no monthly plan fees, as seen with the Savings Amplifier and Savings Builder Accounts, and no minimum balance requirements for some products. Accounts typically offer unlimited free self-serve transactions, allowing customers to manage their money through BMO's online banking system, mobile app, telephone banking, and ATM network. The bank's extensive branch and ATM network across Canada provides additional access points for in-person services.
Transaction limits do exist on some accounts, which can affect how the account is used. The Smart Saver Account, for instance, allows one free transfer out per month, with subsequent transactions in the same month subject to fees. The Premium Rate Savings Account offers flexibility for everyday savings and can hold either Canadian or U.S. dollars, with the number of free transactions tied to the customer's broader bank plan. These features make BMO HISAs suitable for various short-term savings goals where easy access to funds is a priority.
Eligibility and How to Open an Account
To open a BMO High Interest Savings Account, an individual must be a resident of Canada. While specific age requirements for a standard HISA are not detailed, BMO's Tax-Free Savings Account (TFSA) requires the account holder to be at least 18 years of age, which may be a relevant guideline. The process to open an account can be initiated online, through the mobile banking application, by telephone, or at any BMO branch location. Applicants will need to provide standard personal identification and financial information as required by the bank for account setup and verification purposes.
The steps to open an account generally involve selecting the specific type of high-interest savings account, completing an application, and funding the account. For the Savings Amplifier Account's promotional rate, the additional step of opening an eligible BMO chequing account is necessary. Funding requirements vary by product the basic BMO HISA mentions a minimum initial investment of $1,000, while the Savings Builder Account has no minimum balance requirement. Once opened, the account is integrated into the customer's overall BMO banking profile for consolidated management and tracking of all financial products.
Common Considerations and Potential Limitations
When evaluating a BMO High Interest Savings Account, customers should be aware of several common considerations that affect the account's utility. A primary consideration is the temporary nature of promotional interest rates, such as the 5.00 percent offer that lasts only four months. After this period, the interest income will be generated at the much lower standard rate unless another offer is secured. Another point is the potential for transaction limits, where exceeding a set number of withdrawals or transfers in a month can trigger fees, as is the case with the Smart Saver Account.
- Promotional rates are temporary and will revert to a lower standard rate.
- Some accounts have transaction limits, with fees for exceeding them.
- Minimum balance requirements vary, with some accounts requiring an initial deposit.
- Interest earned is taxable in non-registered accounts.
- Not all accounts offer the same features, such as U.S. dollar capability.
- Eligibility for bonus interest may require specific monthly actions, like depositing $200.
Some BMO savings accounts have no minimum balance requirement, such as the Savings Amplifier Account and the Savings Builder Account. Other accounts, like the BMO High Interest Savings Account, require a minimum initial investment amount of $1,000. The interest rate paid on BMO's Tax-Free Savings Account may be less competitive than rates offered by other providers. Customers can find the best interest rates by shopping around and comparing offers from multiple banks and credit unions. Online comparison tools, such as the Ratehub.ca savings account comparison tool, can facilitate this process.
Comparing BMO HISAs to Other Canadian Offers
The landscape for high-interest savings accounts in Canada is competitive, with rates and features varying widely between institutions. As of 2026, promotional rates at several major banks and online institutions were around or above 4.60 percent. For example, Simplii Financial was offering a 4.60 percent rate for the first five months on eligible deposits up to $200,000, with that offer ending on October 31, 2026. Other institutions, such as Scotiabank, were also promoting rates up to 5.00 percent, making it essential to review the full terms of any promotional offer.
| Financial Institution | Promotional Rate (2026) | Key Condition or Limit |
|---|---|---|
| BMO (Savings Amplifier) | 5.00% | For 4 months with eligible chequing account |
| Scotiabank | Up to 5.00% | Promotional offer, conditions apply |
| CIBC, RBC, Simplii | Up to 4.60% | Promotional offer, conditions apply |
| Simplii Financial | 4.60% | For 5 months on up to $200,000. Ends Oct 31, 2026 |
Many competing accounts from online banks or credit unions feature no monthly fees and no minimum balance requirements, similar to some BMO offerings. However, some of the highest rates are limited to residents of specific provinces. For example, ATB Financial's High Interest Savings Account is for Alberta residents only, and FirstOntario Credit Union's High Interest eSavings Account is for Ontario only. When comparing accounts, it is important to look beyond the promotional rate to the standard ongoing rate. The fee structure and accessibility features should also be considered to determine the overall value of the account for your personal financial situation.
Frequently asked questions
What is the minimum balance to open a BMO HISA?
Minimum balance requirements vary by the specific BMO savings account. The basic BMO High Interest Savings Account mentions a minimum initial investment amount of $1,000. In contrast, the Savings Builder Account and the Savings Amplifier Account are described as having no minimum balance requirement. Always confirm the opening requirements for the exact account you wish to open.
What is the current promotional interest rate for a BMO High Interest Savings Account?
BMO offers a promotional interest rate of 5.00 percent for four months on its High Interest Savings Account. This promotional offer requires opening an eligible BMO chequing account to qualify. After the four month promotional period ends, the standard interest rate for the Savings Amplifier Account is 0.450 percent. This promotional rate is competitive with offers from other major Canadian banks. It is a temporary rate designed to attract new customers.
Are there any monthly fees for a BMO High Interest Savings Account?
Specific BMO High Interest Savings Accounts have no monthly plan fees. For example, the Savings Amplifier Account and the Savings Builder Account both feature no monthly fees. However, other BMO banking products or account plans may have different fee structures. It is always recommended to review the terms of the specific account you are opening.
Can I access my money easily in a BMO High Interest Savings Account?
Yes, BMO High Interest Savings Accounts generally provide easy access to your funds. Accounts like the Savings Amplifier Account offer unlimited free self serve transactions. You can access your money through BMO's online banking system, mobile banking, telephone banking, and its large network of ATMs. Some accounts may have limits on free transfers, such as one free transfer per month on the Smart Saver Account. Transactions beyond any stated limit may incur fees.
How does BMO's HISA compare to other banks in Canada?
BMO's promotional HISA rate of up to 5.00 percent is competitive with other major Canadian banks. As noted, Scotiabank also offers rates up to 5.00 percent. Other institutions like CIBC, RBC, and Simplii Financial were offering promotional rates up to 4.60 percent. It is important to compare the duration of the promotional rate and the standard rate that follows. Factors like fees and accessibility should also be considered in any comparison.
Is the interest earned on a BMO HISA taxable?
Interest earned on a standard, non registered BMO High Interest Savings Account is taxable income. This interest must be reported on your annual Canadian income tax return. However, if the savings are held within a registered account like a Tax Free Savings Account, the interest earned is not taxable. BMO offers both registered and non registered savings account options. The tax treatment depends entirely on the type of account you use.
Sources and further reading
- Compare the best BMO savings accounts ratehub.ca
- Best High-Interest Savings Accounts in Canada for 2026 nerdwallet.com
This article explains how things work and is not financial, tax or legal advice. Rules, limits and rates change, so check the current figures with the Canada Revenue Agency, your province or your financial institution before you act.