About Day + Borg LLP

Day + Borg LLP is a general practice law firm in the Village of Streetsville, a historic neighbourhood in Mississauga, Ontario. The firm was established in 1980 and has never left Streetsville, moving three times within the village as it grew: from an original office at 57 Queen Street South, to 265 Queen Street South in 1989, and finally to its current address at 93 Queen Street South in 1994. It's named for its founders, Michael J. Day and David J. Borg. Over more than four decades the practice has grown to a staff of 14, which the firm describes as the largest law firm based in Streetsville.

The firm handles corporate and commercial law, residential and commercial real estate, wills and estate planning, estate administration, family law, general litigation, and construction law. According to its own figures, it has closed more than 35,000 files, acts as counsel for over 1,000 companies, and holds more than 9,000 wills in storage for its clients. In February 2015, longtime Streetsville lawyer Richard Bennett was appointed a Justice of the Superior Court of Justice of Ontario. Day + Borg took over Bennett's practice and continues to hold the original wills and powers of attorney of Bennett's former clients.

Milestones & recognition

  • Day + Borg LLP was established in 1980 in the Village of Streetsville and has remained there ever since, moving from its original office at 57 Queen Street South to 265 Queen Street South in 1989 and finally to 93 Queen Street South in 1994.
  • In February 2015, Richard Bennett, who had known founder Michael J. Day since their undergraduate years and practised across the street from Day in Streetsville for more than 20 years, was appointed a Justice of the Superior Court of Justice of Ontario. Day + Borg took over Bennett's practice and still holds the original wills and powers of attorney of Bennett's former clients.
  • Founder Michael J. Day received the McCarthy & McCarthy Award and the University of Windsor Award for academic excellence while earning an LL.B. from the University of Windsor Law School in 1978.
  • Michael J. Day has appeared before all levels of court in Ontario and argued more than 1,000 contested trials, motions, applications, and appeals over a legal career that began with a call to the Ontario bar in 1980.

In the community

  • Founder Michael J. Day founded a legal clinic for students at the University of Toronto's Erindale College campus in Mississauga.
  • Michael J. Day has also taught law through Sheridan College's adult education program, mentoring junior lawyers.

Good to know

A person using a wheelchairWheelchair accessibleA calendar with a checkmark beside a clockBy appointment

This firm’s lawyers at a glance

Called to the bar
1980–2022 · median 12 years in practice 5 of 6 lawyers
Law schools
Bond University, Osgoode Hall Law School, Queen Mary University of London, University of Manchester, School of Law, University of Western Ontario Faculty of Law, University of Windsor Faculty of Law 6 of 6 lawyers

The neighbourhood

Streetsville is a Mississauga neighbourhood that calls itself "The Village in the City," a name the Streetsville Business Improvement Association uses for a downtown along Queen Street that it says holds more historic buildings than any other part of the city. Day + Borg's own account of its history uses similar language: the firm has stayed in Streetsville since 1980 because its founders liked the "small town" feel of a village so close to Toronto, and each of its three office moves since then has kept it on Queen Street South.

Richard Bennett and founder Michael J. Day knew each other from their undergraduate years and practised across the street from one another in Streetsville for more than 20 years, before Bennett's appointment to the Superior Court bench in 2015, a small sign of how concentrated the village's legal community has long been. One of Day + Borg's own lawyers grew up in Streetsville and returned to practise there after studying law in England, the kind of local tie that keeps showing up at a firm that has never left the village since 1980.

Frequently asked questions

How long has Day + Borg LLP been practising law in Streetsville?
The firm was established in 1980 and has been based in the Village of Streetsville ever since, moving to progressively larger offices on Queen Street South as it grew. Its current office at 93 Queen Street South has been home to the firm since 1994.
Does Day + Borg LLP handle residential real estate closings in Mississauga?
Yes. The firm's real estate practice covers residential and commercial transactions, including purchases, sales, and commercial leasing and development work in the Mississauga area.
Can Day + Borg LLP prepare my will and power of attorney?
Yes. Wills, powers of attorney, and estate planning are among the firm's core practice areas, and it holds more than 9,000 wills in storage that it has prepared for clients over the years.
Does Day + Borg LLP handle divorce and family law matters?
Yes. The firm's family law practice covers marriage contracts, cohabitation agreements, separation, divorce, and mediation and arbitration.
I'm starting a business near Streetsville. Can Day + Borg LLP help incorporate it?
Yes. The firm's business law group handles incorporations, shareholder agreements, business acquisitions, and other corporate and commercial matters.
How big is Day + Borg LLP and where is it located?
The firm has grown to a staff of about 14 at its office at 93 Queen Street South in Streetsville, which it describes as the largest law firm based in the village.

Where to find them

93 Queen Street South, Mississauga, Ontario L5M 1K7 · 905-826-5670

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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 ↗