Invisor Accounting, Bookkeeping and Tax Services
Established 1972
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Invisor is a Canadian accounting and tax services firm serving over 1,000 clients nationwide with expertise in personal and corporate tax, bookkeeping, payroll management, and financial advisory. Founded in 1972 and headquartered in London, Ontario, they provide tech-driven solutions using industry-leading accounting software to help small businesses achieve financial clarity and growth.
Additional Information
Invisor Accounting, Bookkeeping and Tax Services provides expert accounting, tax planning, and bookkeeping services to simplify financial management for small businesses. They serve clients nationwide and use tech-driven solutions to ensure accuracy and compliance.
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Serving London, Ontario, nationwide in Canada
Additional information extracted from the firm's public website. Last updated: July 9, 2026
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Claim This ListingFrequently Asked Questions
How much does an accountant cost in London?
Personal tax returns: $150-$400 depending on complexity. Small business bookkeeping: $300-$800/month. Corporate tax returns: $1,000-$3,000+. Many accountants offer free initial consultations to discuss your needs and pricing.
What's the difference between a CPA and a bookkeeper?
CPAs (Certified Public Accountants) are state-licensed, can audit, provide tax advice, and represent you before the IRS. Enrolled agents are credentialed by the IRS itself and specialise in tax filing and IRS representation. Bookkeepers handle day-to-day transaction recording and basic financial reports. For audits and complex planning you want a CPA; for tax filing and IRS representation an enrolled agent is often the better value.
When should I hire an accountant?
Consider an accountant if you're self-employed, own rental property, have investment income, run a business, received an IRS notice, or your tax situation is more complex than a simple W-2. The cost of an accountant often pays for itself in tax savings.
Can an accountant help if I'm behind on taxes?
Yes. Accountants regularly help clients catch up on unfiled returns. They can also help with IRS voluntary disclosure, negotiate installment agreements or an offer in compromise, and handle notices, amended returns and audits.
Is it worth paying for tax preparation vs doing it myself?
If you have straightforward W-2 income and take the standard deduction, free software works fine. But if you have self-employment income, rental properties, investments, or business expenses, a professional accountant typically finds deductions that more than cover their fee.