Top Business Service Companies in Toronto

Between them, the 20 business service companies on this page cover accounting (3), creative (2), government (2) and tax (2). 20 of them have written a profile you can read before you get in touch.

1. 1

   

   KELCOM

   Windsor, Ontario telecom dealer offering business phone, internet, two-way radio, GPS fleet tracking and security systems

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   Why #1: Office in Toronto · Founded 1969, as stated on its own website, read 9 Oct 2026

   Not yet on record: client reviews, vetting.

2. 2

   

   A to Z Event Management

   Creative

   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 #2: 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.

3. 3

   

   Greater Toronto Executive Centre

   Greater Toronto Executive Centre is a flexible office business with two locations in Mississauga, in the Greater Toronto Area.

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   Why #3: Based in Mississauga, Greater Toronto Area · Founded 2007, as stated on its own website, read 9 Oct 2026

   Not yet on record: client reviews, vetting.

4. 4

   

   Callture Inc

   Callture Inc is a business phone service provider based in Toronto, Canada.

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   Why #4: Based in Toronto, Canada · Client numbers stated on its own website, as stated on its own website, read 5 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. –

   

   Canadian Corporate Legal Services

   Legal · Creative

   Canadian Corporate Legal Services is a collection firm that pursues overdue business accounts on behalf of creditors.

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   On record: In business 30+ years · professional accreditation, as stated on its own website, read 5 Oct 2026

7. –

   

   Fuller Landau

   Fuller Landau is an accounting, tax and advisory firm with offices in Toronto and Hamilton.

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   On record: Office in Toronto · Team of 150+, as stated on its own website, read 9 Oct 2026

8. –

   

   Accord Financial Corp

   Accord Financial Corp is an independent commercial finance company with a TSX listing.

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   On record: Based in Toronto, Canada

9. –

   

   Arcus Consulting Group

   Arcus Consulting Group is a management consulting and research firm in Toronto, Canada.

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   On record: Based in Toronto, Canada

10. –

    

    Ayali Pay

    Accounting · Government · Tax

    Ayali Pay is a Canadian payroll service provider based in the Greater Toronto Area, established more than 25 years ago.

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11. –

    

    Breakthrough

    Legal · Also in Toronto, Canada and New South Wales

    Corporate training provider in Toronto offering communication workshops, team building, keynote speaking and long programmes

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    On record: Based in Toronto, Canada

12. –

    

    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

13. –

    

    Fuze HR Solutions

    Accounting · Government · Also in Bolton and Ontario

    Fuze HR Solutions is a recruitment and staffing agency placing candidates in engineering, finance, technology and public sector roles

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    On record: Based in Ontario, with offices in Mississauga, Toronto, Markham, Ottawa and Burlington

14. –

    

    GTA Accounting Professional Corporation

    Accounting · Tax · Also in York and Mississauga

    Chartered accounting firm in Toronto offering corporate, personal and cross-border tax, bookkeeping and payroll services

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    On record: Based in Toronto and Mississauga, Ontario

15. –

    

    Haywood Hunt & Associates Inc.

    Haywood Hunt & Associates Inc. is a private investigation and surveillance firm with offices in Toronto and Mississauga.

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    On record: Based in Toronto, with a head office in Mississauga

16. –

    

    HCM

    HCM is a recruitment and staffing firm with an office in the Toronto GTA.

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    On record: Based in Toronto GTA office

17. –

    

    House of Transcription

    House of Transcription provides multilingual transcription and translation for audiovisual media, including film, TV and radio.

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    On record: Based in Toronto

18. –

    

    Last Minute Training

    Booking service that finds upcoming training courses from local providers across computing, management and business skills

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    On record: Address in Toronto

19. –

    

    Level5 Strategy

    Level5 Strategy is a boutique strategy consulting firm based in Canada.

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    On record: Address in Toronto · Boutique

20. –

    

    Lighthouse Nine Group

    Lighthouse Nine Group is a business management consulting firm based in Toronto, Ontario.

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    On record: Based in Toronto, Ontario

21. –

    SI

    SmartPrint Inc.

    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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