About ZG Law Professional Corporation

ZG Law Professional Corporation is a solo business law practice based in downtown Toronto, with an office at 10 King Street East. Zachary Giboney founded the firm after working for several years at a corporate and commercial law practice in the Greater Toronto Area. The practice focuses on small businesses and start-ups, and its work covers business structuring and incorporations, commercial contracts, commercial real estate, mergers and acquisitions, corporate reorganizations, fractional in-house counsel, employment law, and wills and personal planning.

Giboney's transactional experience includes the sale of a national restaurant franchise with more than 200 locations, along with smaller business transfers, contract negotiations, corporate restructurings, and compliance advisory work across a range of industries. Giboney has also worked with technology companies, including OpenAI, on AI model development, and contributed a question to Humanity's Last Exam, an AI benchmark dataset published by the Center for AI Safety. Giboney appears among the dataset's contributors under the ZG Law affiliation.

Fees & payment

A clipboard with a speech bubble and a no-charge dollar coinFree consultation

The neighbourhood

ZG Law's office is at 10 King Street East, Suite 600, in downtown Toronto, a short walk from the King subway station. For a practice built around small businesses and start-up founders, a central, transit-accessible location makes it easy for clients to stop in before or after other appointments downtown.

Frequently asked questions

Can ZG Law help me decide whether to incorporate, form a partnership, or set up as a sole proprietor?
Yes. ZG Law's blog covers this exact question, and business structuring and incorporations are core parts of the practice for small business owners and start-up founders in Toronto.
Does ZG Law handle mergers and acquisitions for small businesses?
Yes. Founder Zachary Giboney has worked on M&A transactions ranging from the sale of a national restaurant franchise with more than 200 locations to smaller business transfers, and M&A transactions is one of the firm's listed practice areas.
Can ZG Law act as fractional or outside in-house counsel for my company?
Yes. Fractional in-house counsel is one of ZG Law's listed practice areas, giving small and growing businesses ongoing legal support without a full-time in-house lawyer.
Does ZG Law prepare wills, or only handle business matters?
Both. Alongside its corporate and commercial work, the firm lists wills and personal planning among its practice areas.
Does ZG Law handle employment law matters for business owners?
Yes. Employment law is one of ZG Law's practice areas, alongside its business and commercial work for small businesses and start-ups.
Where is ZG Law located and how do I reach it?
The office is at 10 King Street East, Suite 600, in downtown Toronto, a short walk from the King subway station. You can reach the firm by phone at (416) 769-3834 or by email at zach@zglaw.ca.

Where to find them

10 King Street East, Suite 600, Toronto, ON M5C 1C3 · 416-769-3834

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Listing compiled from the firm’s public website in September 2026. Verify licence status in the Law Society of Ontario directory ↗