Ontario directory

Business & Corporate Law Firms in City of Toronto, Ontario

912 law firms.

What does a business lawyer in Toronto do?

A Toronto business lawyer helps companies form, grow, and change hands. In practice that means setting up the right structure, then papering the deals that follow. Common work includes incorporating a company, drafting shareholder and partnership agreements, negotiating commercial contracts, arranging financing, and handling the purchase or sale of a business.

Some firms act as outside general counsel for years, while others are brought in for a single transaction. Much of the value is preventive, since an agreement written clearly at the start is cheaper than a dispute later. Ask how a firm bills before you engage, because ongoing advisory work and one-off deals are often priced differently.

Should you incorporate federally or in Ontario?

You can do either, and both give your business a separate legal identity with limited liability. The practical difference is about reach and name protection.

Federal incorporation runs through Corporations Canada under the Canada Business Corporations Act, and it gives you the right to use your corporate name across Canada. Ontario incorporation is done through the Ontario Business Registry under the province's Business Corporations Act, where you can incorporate online among more than 90 registry transactions.

A federal corporation still has to register in the provinces where it actually operates. Many businesses that stay in Ontario pick provincial incorporation for simplicity, while companies planning to trade nationally often go federal for the name protection. A lawyer can tell you which fits your plans.

What ongoing legal needs does a Toronto business have?

Beyond setup, most companies need steady contract and compliance work. That covers supplier and customer agreements, commercial leases for office or retail space, employment contracts and workplace policies, protection of trademarks and other intellectual property, and financing or ownership changes as the company grows. Regulated sectors add their own layer. Having a lawyer who already knows your file makes each of these faster to handle.

How do you choose a business law firm in Toronto?

Match the firm to your stage and sector. A startup founder, an established manufacturer, and a family business selling to a buyer each need different depth. Ask who will handle your file, how the firm prices ongoing advice against one-off deals, and whether it has done work like yours.

Toronto is Ontario's largest city, and its firms are spread across the old city and the communities of North York, Scarborough, Etobicoke, East York, and York that amalgamated into the city in 1998, so there's usually one near you.

You can confirm any lawyer's standing on the Law Society of Ontario directory. Browse the business & corporate law firms in Toronto below.

360 Law Professional Corporation is a small law and notary practice based in Toronto, Ontario. It handles contract drafting and review, incorporation and startup services, wills and powers of attorney, real estate clo…

Business & Corporate LawBusiness & Corporate LawWills, Estates & TrustsWills, Estates & TrustsReal Estate LawReal Estate LawImmigration LawImmigration Law

6ix Estates LLP

2 lawyers

6ix Estates LLP is a Toronto boutique law firm serving Ontario clients in residential and commercial real estate, wills and estates, family law contracts, and business law for small and medium-sized organizations. Bot…

Real Estate LawReal Estate LawWills, Estates & TrustsWills, Estates & TrustsBusiness & Corporate LawBusiness & Corporate LawNotary & Commissioner ServicesNotary & Commissioner Services

A.R.B. Law

1 lawyer · Est. 2012

A.R.B. Law is a Toronto corporate commercial practice founded by Andrew Brown in 2012. It represents businesses across Canada and internationally on contracts, transactions such as acquisitions, sales, reorganizations…

Business & Corporate LawBusiness & Corporate Law

A&O Shearman

16 lawyers · Est. 2024

A&O Shearman is a global law firm formed in 2024 through the merger of Allen & Overy and Shearman & Sterling. It has nearly 4,000 lawyers worldwide, including offices on the U.S. east and west coasts, in Texas, Chicag…

Business & Corporate LawBusiness & Corporate LawCivil Litigation & Dispute ResolutionCivil Litigation & Dispute ResolutionIntellectual PropertyIntellectual PropertyAdministrative & Regulatory LawAdministrative & Regulatory Law

AAA Law LLP

4 lawyers

AAA Law LLP is a Toronto law firm offering trial and litigation, family law, and Canadian immigration services, along with employment law, personal injury, and criminal defence work. It was founded by Abdalla Ali Al-B…

Business & Corporate LawBusiness & Corporate LawCivil Litigation & Dispute ResolutionCivil Litigation & Dispute ResolutionFamily LawFamily LawImmigration LawImmigration Law

Aaron Meng Law Professional Corporation is a Toronto-based litigation firm established in 2018, with a foundation in corporate, commercial, and real estate law. It represents individuals and businesses across the Grea…

Civil Litigation & Dispute ResolutionCivil Litigation & Dispute ResolutionBusiness & Corporate LawBusiness & Corporate LawReal Estate LawReal Estate LawFamily LawFamily Law

Aaron Miller Law

1 lawyer

Aaron Miller Law is a West Toronto boutique firm founded by principal lawyer Aaron Miller, serving small-to-medium size businesses and executive-level employees across the GTA and southern Ontario. The firm practises …

Employment & Labour LawEmployment & Labour LawBusiness & Corporate LawBusiness & Corporate LawReal Estate LawReal Estate LawConstruction LawConstruction Law

Abel Law

2 lawyers

Abel Law is a full-service law firm with offices in downtown Brampton and Etobicoke, serving the Greater Toronto Area. It practices family and divorce law, and general practice areas including real estate, wills and e…

Family LawFamily LawReal Estate LawReal Estate LawWills, Estates & TrustsWills, Estates & TrustsBusiness & Corporate LawBusiness & Corporate Law

Abi Singam Law Professional Corporation is a law firm in Scarborough, Toronto, led by principal lawyer Abi Singam. It handles real estate transactions, wills and estates, family law, and business matters, and offers a…

Real Estate LawReal Estate LawWills, Estates & TrustsWills, Estates & TrustsBusiness & Corporate LawBusiness & Corporate LawFamily LawFamily Law

Accord Law Professional Corporation is a Toronto real estate, immigration, and wills and powers of attorney practice serving the Greater Toronto Area. It is led by Angat Saini, who also has over a decade of experience…

Real Estate LawReal Estate LawImmigration LawImmigration LawWills, Estates & TrustsWills, Estates & TrustsBusiness & Corporate LawBusiness & Corporate Law

Adair Goldblatt Bieber LLP

21 lawyers · Est. 2018

Adair Goldblatt Bieber LLP is a Toronto litigation boutique founded in 2018 that serves clients across Canada and internationally. Its lawyers handle commercial, administrative, employment, insurance, and estate litig…

Civil Litigation & Dispute ResolutionCivil Litigation & Dispute ResolutionAdministrative & Regulatory LawAdministrative & Regulatory LawBusiness & Corporate LawBusiness & Corporate LawClass ActionsClass Actions

Adam Silverberg Law

1 lawyer · Est. 2024

Adam Silverberg Law is a Toronto sole practice founded in early 2024 by Adam Silverberg. It offers services in civil litigation, estate litigation, real estate, corporate and commercial matters, and wills and estates,…

Civil Litigation & Dispute ResolutionCivil Litigation & Dispute ResolutionWills, Estates & TrustsWills, Estates & TrustsReal Estate LawReal Estate LawBusiness & Corporate LawBusiness & Corporate Law

Adamian Law

1 lawyer

Adamian Law is a Toronto law firm that works exclusively on mergers and acquisitions for small businesses and low mid-market transactions. Led by founder Artur Adamian, it prices deals with a systematic, transaction-v…

Business & Corporate LawBusiness & Corporate Law

Addario Law Group LLP

13 lawyers · Est. 2012

Addario Law Group LLP is a Toronto litigation boutique founded by Frank Addario in 2012, focused on criminal, civil, regulatory and public law matters. The firm handles white-collar and investigation mandates, profess…

Criminal DefenceCriminal DefenceCivil Litigation & Dispute ResolutionCivil Litigation & Dispute ResolutionAdministrative & Regulatory LawAdministrative & Regulatory LawBusiness & Corporate LawBusiness & Corporate Law

ADS Law Professional Corporation has offices in Mississauga and Toronto and serves clients across Ontario in person or remotely. It focuses on real estate, corporate, wills and estates, family law, and civil litigatio…

Real Estate LawReal Estate LawBusiness & Corporate LawBusiness & Corporate LawWills, Estates & TrustsWills, Estates & TrustsFamily LawFamily Law

Advocan Law LLP

2 lawyers

Advocan Law LLP is a Toronto boutique law firm serving clients around the world, with a focus on technology companies, financings, and commercial litigation. The firm advises entrepreneurs and investors on IP, contrac…

Technology & StartupsTechnology & StartupsBusiness & Corporate LawBusiness & Corporate LawCivil Litigation & Dispute ResolutionCivil Litigation & Dispute Resolution

AEGIS Law is a bilingual (English and Mandarin/Cantonese) firm serving Toronto and the Greater Toronto Area, offering full-spectrum legal counsel across civil, corporate, criminal, immigration, and financial matters. …

Personal InjuryPersonal InjuryCriminal DefenceCriminal DefenceBusiness & Corporate LawBusiness & Corporate LawWills, Estates & TrustsWills, Estates & Trusts

AFA Law

1 lawyer · Est. 2019

AFA Law is a boutique law firm located in Commerce Court West in downtown Toronto's financial district. The firm provides legal advice in commercial real estate law, corporate and commercial law, and wills, trusts and…

Real Estate LawReal Estate LawBusiness & Corporate LawBusiness & Corporate LawWills, Estates & TrustsWills, Estates & Trusts

Affleck Greene McMurtry LLP is a Toronto litigation boutique in the Financial District that represents businesses in commercial, competition, and regulatory disputes. The firm's practice spans corporate and commercial…

Business & Corporate LawBusiness & Corporate LawCivil Litigation & Dispute ResolutionCivil Litigation & Dispute ResolutionClass ActionsClass ActionsInsurance LawInsurance Law

Afridi & Angell Professional Corporation is a Toronto law practice affiliated with, but operating independently from, the Dubai-based Afridi & Angell Legal Consultants. Its Toronto office, at 181 University Avenue, fo…

Business & Corporate LawBusiness & Corporate LawWills, Estates & TrustsWills, Estates & TrustsTechnology & StartupsTechnology & StartupsTax LawTax Law

AGI Law

1 lawyer

AGI Law is a North York, Toronto estate, tax, and real estate planning law firm founded by Ardalan Ghassemi. It works with clients and other professionals across the stages of wealth foundation, expansion, and preserv…

Tax LawTax LawWills, Estates & TrustsWills, Estates & TrustsReal Estate LawReal Estate LawBusiness & Corporate LawBusiness & Corporate Law

Agnes Law

1 lawyer

Agnes Law is a general practice law firm with offices in Vaughan and Scarborough, Ontario. Led by owner and principal lawyer Agnes K Varkeychen, the firm handles real estate, family law, business law, immigration, wil…

Real Estate LawReal Estate LawFamily LawFamily LawBusiness & Corporate LawBusiness & Corporate LawImmigration LawImmigration Law

Ahangama Law Professional Corporation is a Toronto firm founded in 2017 and led by principal lawyer Anoshan Ahangama, offering legal and paralegal services to individuals, families, and businesses across the Greater T…

Real Estate LawReal Estate LawFamily LawFamily LawImmigration LawImmigration LawWills, Estates & TrustsWills, Estates & Trusts

Ahlawat Law Professional Corporation is an Ontario law firm licensed by the Law Society of Ontario, offering legal services in corporate law, technology and AI law, privacy law, civil litigation, and immigration matte…

Business & Corporate LawBusiness & Corporate LawTechnology & StartupsTechnology & StartupsImmigration LawImmigration LawCivil Litigation & Dispute ResolutionCivil Litigation & Dispute Resolution