Top Business Service Companies in Ontario

Between them, the 20 business service companies on this page cover accounting (5), tax (5), government (4) and legal (4). They also list work in New Brunswick, Toronto and London. 20 of them have written a profile you can read before you get in touch.

1. 1

   

   Agilec

   Government · Goals · Also in Canada

   Agilec is a Canadian career and employment services provider with locations across Ontario.

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   Why #1: Based in Ontario, Canada · Founded 1985 — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

2. 2

   

   A.N.G Chartered Professional Accountants

   A.N.G Chartered Professional Accountants, which operates as A N G CPA Professional Corporation, is a firm of chartered professional accountants in Vaughan, Ontario.

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   Why #2: Based in Vaughan, Ontario, Canada · Founded 1990 — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

3. 3

   

   A to Z Event Management

   Learning

   A to Z Event Management is an event planning business in Toronto, Ontario. It is led by Angela Zaltsman, who has more than twenty-five years in the events trade.

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   Why #3: Based in Toronto, Ontario · In business 25+ years — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

4. 4

   

   Quest Mindshare

   Software Development · Also in Canada

   Quest Mindshare is a market research supplier that connects researchers with online survey respondents.

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   Why #4: Address in Ontario · Founded 2003 — as stated on its own website, read 6 Oct 2026

   Not yet on record: client reviews, vetting.

5. Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
6. –

   

   Apex Time Solutions

   Energy · Also in Montreal and Halifax

   Apex Time Solutions supplies time and attendance systems to employers in Ontario, Canada.

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   On record: Based in Ontario, Canada

7. –

   

   Billah and Associates

   Billah and Associates is an accounting firm in Mississauga, Ontario.

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   On record: Based in Mississauga, Ontario, Canada

8. –

   

   Bomcas Canada

   Accounting · Tax · Video · Also in United States and Edmonton, Canada

   Bomcas Canada is an audit, tax and accounting firm serving clients across Canada, with local pages for towns throughout Alberta and Ontario, including Edmonton, Calgary, Ottawa and…

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   On record: Based in Alberta and Ontario, Canada

9. –

   

   Breakaway

   Video · Driving · Manufacturing

   Breakaway Staffing is a licensed employment agency in Mississauga that connects job seekers with employers across Ontario.

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   On record: Based in Mississauga, Ontario, Canada

10. –

    

    Canada Virtual Office

    Canada Virtual Office supplies a Toronto business address to people who want a professional presence without renting physical premises.

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    On record: Based in Toronto, Ontario, Canada · One person

11. –

    

    Canadian Innovation Centre

    Government · Learning · Energy

    Canadian Innovation Centre, known as CIC, guides new ideas towards the market.

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    On record: Based in Waterloo, Ontario, Canada

12. –

    

    Canadian Payroll and Tax Services

    Canadian Payroll and Tax Services is a family-owned tax and payroll practice in Ottawa, Ontario.

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    On record: Based in Ottawa, Ontario, Canada · Family-owned

13. –

    

    CGI Credit Guard

    Tax · Legal · Reporting · Also in Vancouver and British Columbia

    CGI Credit Guard is a licensed and bonded Collection Agency working across Canada No collection, no fee!

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14. –

    

    Envolta

    Accounting · Tax · Goals · Also in Ottawa

    We’re not your typical stuffy accounting firm.

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15. –

    

    First Frontier Logistics

    Logistics

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16. –

    

    Fuze HR Solutions

    Accounting · Government · Logistics · Also in Bolton

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17. –

    

    Growth Capital

    Tax · Corporation

    We’ve built our reputation on helping transportation carriers and freight brokers pay their truck leases, fuel expenses and drivers’ costs on time, so they can focus on growing…

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18. –

    

    H&T Accounting Services

    Accounting · Tax · Government · Also in Mississauga and Toronto

    Write a review
19. –

    

    JML Transcription

    Legal · Video · Cloud · Also in Truro and Hamilton

    Are you seeking a legal transcription company with amazing turnaround times?

    Write a review
20. –

    

    Kinetic Personnel Group

    Accounting · Legal · Goals · Also in Newport

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21. –

    SI

    SmartPrint Inc.

    Software Development · Cloud · Also in Canada

    SmartPrint Inc. is a managed print services provider headquartered in Toronto, Ontario.

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    On record: Based in Toronto, Ontario, Canada

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