About grit + co

Grit + co is a Toronto corporate and commercial law firm founded by Josh Calderon, who was called to the Ontario Bar in 2012. Calderon began at one of Canada's largest business law firms, then left in 2016 to launch a travel technology startup. After about a year and a half, that venture ended, and Calderon combined a legal background with an interest in entrepreneurship to start grit + co.

The firm advises small and medium sized business owners on mergers and acquisitions, corporate and tax driven reorganizations, equity financings, and commercial agreements such as customer and vendor contracts. Its M&A work spans sectors including software, e-commerce and retail, franchises, creative agencies, financial advisory businesses, and construction trades such as electrical, HVAC, and plumbing. Grit + co also helps structure business relationships through incorporations, shareholder agreements, and family trusts, and works with businesses that are financially viable but going through a difficult stretch.

Instead of billing by the hour, the firm prices its ongoing work through fixed monthly packages and quotes one off transactional projects as a fixed price for a fixed scope.

The neighbourhood

Grit + co's office is at 302 Bay Street in Toronto's Financial District, inside a fourteen storey building that opened in 1917 and received a heritage designation in 1976. The building now operates as flexible workspace through iQ Offices, which has preserved the original Grand Banking Hall on the ground floor alongside modern meeting space. The location sits within reach of the underground PATH network that links much of the downtown core.

Frequently asked questions

Can grit + co help me buy or sell a business?
Yes. Mergers and acquisitions are a core part of the practice, and the firm has worked on deals across sectors including software, e-commerce and retail, franchises, creative agencies, financial advisory businesses, and construction trades like electrical, HVAC, and plumbing.
Does grit + co only work with tech companies?
No. While the firm has done deal work in software, it also advises owners of retail, franchise, creative agency, financial advisory, and construction businesses, so the practice is not limited to any one industry.
How does grit + co charge for its services?
The firm does not bill by the hour. Ongoing work is priced through fixed monthly packages, and one off transactional matters are quoted as a fixed price for a fixed scope of work, agreed after an initial consultation.
Can grit + co draft a shareholder agreement or set up an equity incentive plan for my company?
Yes. The firm helps structure business relationships through incorporations, shareholder agreements, and family trusts, and advises on equity, synthetic equity, and phantom equity incentive plans.
Who founded grit + co and when?
Josh Calderon founded grit + co after being called to the Ontario Bar in 2012 and working at one of Canada's largest business law firms. Calderon left that firm in 2016 to launch a travel technology startup, and started grit + co after that venture ended about a year and a half later.
Does grit + co help businesses that are struggling financially?
The firm describes working to find solutions for viable businesses going through distress, alongside its core mergers and acquisitions and corporate work.

Where to find them

1 Adelaide St East, Suite 3001, Toronto ON, M5C 2V9

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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 ↗