Proud to be the official counsel

of the Niagara 2021 Canada Summer Games

Read More

Client Committed. Community Minded.

Sullivan Mahoney is Niagara’s leading law firm.

The Firm

Right Advice.
Right Solutions.

Access one firm to meet all of your legal needs.

Our Practice Areas

Become a Leader in the Practice of Law.

Be part of the largest legal team in Niagara.

Careers with Sullivan Mahoney

Recent Insights & News

Posted on in Business Law

Making Waives

Have you ever signed a waiver and thought “I wonder if this thing will actually work?”

Read More

AL

Administrative Law

Includes municipal, planning and environmental litigation, and representation before tribunals; property assessment; and appropriation.

More About Administrative Law

BL

Business Law

Includes incorporation, business financing, commercial contracts, corporate/commercial tax and mergers and acquisitions.

More About Business Law

CL

Construction Law

Includes bidding or tendering, breach of trust claims, contract negotiation and disputes, and litigation.

More About Construction Law

CR

Criminal Law

Includes motor vehicle offences, Highway Traffic Act offences, Criminal Code offences and other federal offences.

More About Criminal Law

FL

Family Law

Includes separation agreements, child custody and access, child and spousal support, property claims and divorce.

More About Family Law

ML

Municipal & Land-Use

Includes site plans and site plan approval; development charges; municipal conflicts of interest; Ontario Building/Fire Code appeals and Niagara Escarpment Commission.

More About Municipal & Land-Use

RE

Real Estate Law

Includes mortgage and financing, leasing (commercial/residential), non-profit housing, title insurance and mortgage remedies.

More About Real Estate Law

TL

Tax Law

Includes corporate and individual tax planning, tax disputes (from audit to court), sales tax, and trusts and estate planning.

More About Tax Law

Contact Us Today

905.688.6655
St. Catharines Office

40 Queen Street,
St. Catharines, ON, L2R 5G3

Monday - Friday, 9 am - 5 pm

905.688.6655
Niagara Falls Office

4781 Portage Road,
Niagara Falls, ON, L2E 6B1

Monday - Friday, 9 am - 5 pm

905.357.3334
St. Catharines Office

40 Queen Street,
St. Catharines, ON, L2R 5G3

Call 905.688.6655

Niagara Falls Office

4781 Portage Road,
Niagara Falls, ON, L2E 6B1

Call 905.357.3334