The legal team behind your next chapter.

Immigration, real estate, business law, white collar defense, and compliance
From our Toronto and New York offices.

Services

Trusted across every practice we take on.

01 Immigration and mobility

Our practice focuses on securing work visas, managing compliance issues, and facilitating the smooth relocation of talent across US and Canadian borders, including E2, L1, TN, H1B, O1, EB1, EB2, EB3, and family based immigration matters.

Investor visas: E2 Treaty Investor Visa, EB5 Investor Green Card, E1 Treaty Trader Visa
Employment based immigration: L1A, L1B, H1B, TN, O1, E3, EB1, EB2, EB3
Green card applications: EB1, EB2, EB3, EB5, PERM, National Interest Waiver (NIW), family based green cards
Family-based immigration solutions: Spouse visas, fiancé visas, parent petitions, child petitions, sibling petitions, adjustment of status, consular processing
Employer compliance and audits: I9 compliance, worksite audits, immigration compliance, employer sponsorship, cross border hiring, LCA compliance

02 Real estate law

We assist clients with residential and commercial real estate law matters in Toronto and across the Greater Toronto Area, including North York, Scarborough, Etobicoke, Mississauga, Brampton, Vaughan, Markham, Richmond Hill, Pickering, Ajax, Whitby, Oshawa, Oakville, Burlington, Hamilton, and surrounding Ontario communities. Our practice supports buyers, sellers, investors, lenders, landlords, tenants, and business owners with clear legal guidance from transaction review to closing.

03 Business and corporate law

We work with you to help you minimize risks, optimize operations, and ensure your business thrives on the global stage.

Business and corporate setup
Contracts and agreements
Business licenses
Shareholders disputes
Ongoing business compliance
Mergers and acquisitions
Cross-border disputes
Intellectual property protection
Corporate structuring and tax planning
Startup and small business lawyers
Fractional general counsel

04 Compliance & risk management

We help businesses across the United States and Canada navigate regulatory requirements, manage risk proactively, and build frameworks that support long-term growth and stability.

05 White collar defense

Whether you’re facing allegations of fraud, embezzlement, insider trading, or other financial crimes, we understand the intricacies and provide strong defense.

06 Notary services

We provide reliable, professional notary services in both New York and Ontario for individuals, businesses, and legal professionals who need trusted document authentication.

Credentials and experience

About

Unlock international opportunities with expert legal guidance.

01 Hands-on legal guidance
Delivering practical, personal counsel in international business, immigration law, and white-collar defense.

02 Personalized approach
We take the time to understand your goals and provide customized legal solutions tailored to your objectives.

03 Long-term relationships
We build long-term relationships based on trust and transparency, working to develop our clients' interests in cross-border transactions.

Years of experience

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Cases handled

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Global network

Cross-border work

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Client success

“Joseph’s the kind of lawyer who actually listens. I never felt like just a file on his desk—he really took the time to understand me and what I was going through. It made the whole experience a lot less stressful. I’m honestly so glad I found him.”

“Joseph explained every step of the legal process in a clear and straightforward manner. I always felt informed and at ease. His professionalism and dedication gave me confidence that my case was in the right hands. I highly recommend his services to anyone seeking legal assistance.”

“Working with Joseph Mayo was a fantastic experience. He is incredibly knowledgeable and efficient, helping me with important files that needed quick submission. His expertise and dedication were evident, and he guided me through the process in record time. I’m grateful for his prompt and thorough assistance. Highly recommended for anyone needing legal expertise!”

Articles

Legal insights

How to Get a Green Card Through Employment: A Plan

May 1, 2026

A lot of Canadian professionals reach the same point. Your U.S. role is going well, the company wants to keep you, but your status still

Illustrated banner for Mayo Law’s guide: What is an Embassy? Guide for US-Canada Business.

What Is an Embassy? Guide for US-Canada Business | Mayo Law

April 30, 2026

If you’re expanding a Toronto company into New York, applying for an investor visa, or trying to legalize family or business documents for use across

What Are Bylaws Of A Company?

April 29, 2026

You incorporated your business in New York or Ontario. The certificate is filed, the name is set, and now someone asks for the bylaws. Many

Informational banner about exempt vs non-exempt worker status for NY and Ontario (Mayo Law), with yellow outline figures on both sides.

Exempt v Non Exempt Guide for NY & ON | Mayo Law

April 28, 2026

Your first cross-border hire often looks simple on paper. You have a growing company, a strong candidate in Toronto or New York, and a compensation

Get in touch

The legal team behind your next chapter.

Trusted across every practice we take on.

Our practice focuses on securing work visas, managing compliance issues, and facilitating the smooth relocation of talent across US and Canadian borders, including E2, L1, TN, H1B, O1, EB1, EB2, EB3, and family based immigration matters.

We work with you to help you minimize risks, optimize operations, and ensure your business thrives on the global stage.

We help businesses across the United States and Canada navigate regulatory requirements, manage risk proactively, and build frameworks that support long-term growth and stability.

Whether you’re facing allegations of fraud, embezzlement, insider trading, or other financial crimes, we understand the intricacies and provide strong defense.

We provide reliable, professional notary services in both New York and Ontario for individuals, businesses, and legal professionals who need trusted document authentication.

Credentials and experience

Unlock international opportunities with expert legal guidance.

01

Hands-on legal guidance Delivering practical, personal counsel in international business, immigration law, and white-collar defense.

02

Personalized approach We take the time to understand your goals and provide customized legal solutions tailored to your objectives.

03

Long-term relationships We build long-term relationships based on trust and transparency, working to develop our clients' interests in cross-border transactions.

“Joseph’s the kind of lawyer who actually listens. I never felt like just a file on his desk—he really took the time to understand me and what I was going through. It made the whole experience a lot less stressful. I’m honestly so glad I found him.”

“Joseph explained every step of the legal process in a clear and straightforward manner. I always felt informed and at ease. His professionalism and dedication gave me confidence that my case was in the right hands. I highly recommend his services to anyone seeking legal assistance.”

Legal insights

Schedule a call and see how we can help.

Services

Company

New York office

Toronto office

Hands-on legal guidance
Delivering practical, personal counsel in international business, immigration law, and white-collar defense.

Personalized approach
We take the time to understand your goals and provide customized legal solutions tailored to your objectives.

Long-term relationships
We build long-term relationships based on trust and transparency, working to develop our clients' interests in cross-border transactions.