More Than Lawyers — Your Neighbours
GC Boyle Law Firm has been a cornerstone of the St. Marys community for years. We understand that behind every legal matter is a person, a family, or a business that deserves thoughtful, dedicated representation.
Our approach is simple: we listen first, then act with precision and care. Whether you're buying your first home, planning your estate, navigating a family transition, or protecting your business, we treat your matters as if they were our own.
We believe in building lasting relationships — not just handling cases. When you walk through our doors, you're not a file number. You're a neighbour, and we're honoured to serve you.
Integrity First
Honest, transparent counsel
Personal Care
Every client matters
Community Roots
Proudly local since day one
Practice Areas
From life's biggest milestones to its most challenging moments, we're here to provide the legal guidance you need.
Real Estate Law
Purchases, sales, refinancing, and title matters. We guide you through every step of your property transaction.
Mortgages
Mortgage financing, refinancing, and independent legal advice for borrowers and lenders.
Landlord & Tenant
Lease agreements, tenancy disputes, evictions, and landlord-tenant rights under Ontario law.
Wills & Estates
Estate planning, powers of attorney, probate, and estate administration to protect your family's future.
Family Law
Divorce, separation agreements, custody, support, and adoption handled with sensitivity and care.
Business Law
Incorporations, partnerships, contracts, and commercial transactions to support your business growth.
Litigation
Civil disputes, debt recovery, and general litigation matters pursued with diligence and resolve.
Employment Law
Employment contracts, wrongful dismissal, severance, and workplace disputes for employees and employers.
Personal Injury
Motor vehicle accidents, slip and falls, and injury claims to help you receive fair compensation.
Notarization
Notarization and certification of legal documents, affidavits, statutory declarations, and more.
Commissions
Commissioner of oaths services for sworn statements, affidavits, and other commissioned documents.
Legal Letters
Demand letters, legal correspondence, and written notices drafted clearly and professionally.
Note: We do not practice criminal law. For criminal matters, we can help refer you to an appropriate specialist.
Your Trusted Partner in Every Chapter
Choosing a lawyer is one of the most important decisions you'll make. At GC Boyle Law Firm, we don't just represent you — we stand beside you. Our reputation in this community is built on decades of dedication, honest counsel, and results.
Deeply Local
We live and work in St. Marys. We know this community because we're part of it. Our roots run deep.
Personal Relationships
We don't treat clients as transactions. We build long-term relationships based on mutual trust and respect.
Proven Experience
Our team brings years of dedicated legal experience across a wide range of practice areas.
Accessible & Responsive
We return calls, answer questions, and keep you informed. Your peace of mind is our priority.
What Our Clients Say
"When we had our first child, we knew it was time to get our wills in place, but we had no idea where to start. Gwendolen made the entire process feel simple and stress free. She was so kind, patient, and took the time to explain everything in a way we could actually understand. It gave us so much peace of mind knowing everything was set up properly for our family."
Evan & Katrina L.
Wills & Estates Client
"When I needed help with business law and contracts, Gwendolen handled everything with professionalism and clarity. She was thorough, detail oriented, and took the time to explain things in a way that actually made sense. What could have been a stressful process felt straightforward and well managed. I felt confident knowing everything was structured properly and in my best interest."
Matthew W.
Business Law Client
"Gwendolen is amazing. She and her team worked incredibly hard on my case, and I am forever grateful for their help through the most terrifying time in my life. If you're looking for a lawyer who will charge into battle for you while also offering genuine compassion and support — this is her."
Caitlin R.
Client
Contact Us
Ready to discuss your legal needs? Reach out and we'll get back to you promptly.
Our Offices
Head Office
172 Queen St. E, St. Marys, ON N4X 1A6
Satellite Offices
90 Peel St. Unit C, New Hamburg, ON N3A 1E3
15 St. Catherine St, Unit 306, St. Thomas, ON N5P 2V7
Call Us
(519) 284-2112Email Us
admin@gcboyle.caOffice Hours
Monday – Friday, 9:00 AM – 5:00 PM
Hours may change due to provincial, federal, and internally observed holidays.