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Brennan M. Carroll



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Brennan practises commercial real estate and development law, providing legal services to a large cross section of clients. He provides practical, efficient and timely advice to his clients for all types of commercial real estate transactions, including purchases, sales, leasing, joint venture and development arrangements and financings.  

Brennan has particular expertise working with public and quasi-public clients, including various hospitals, colleges and municipalities, such as William Osler Health System, Niagara Health System and Mohawk College. Projects for these clients include the design, build, financing, operation and maintenance of privately-managed medical office buildings and student residences.
He also works closely with real estate professionals and in-house legal counsel for some of Canada's largest commercial and retail players, including Bell Canada, Circle-K and Northland Power, to deal with their most important real estate matters.


  • Complex commercial and development-related agreements to allow for cutting-edge multi-use real property developments, often mixing traditional multi-family residential developments with healthcare or seniors living homes, retail or office uses. Examples include agreements that allow condominium unit owners to use services offered by seniors care providers (and vice-versa) and community hub arrangements that allow different charitable and not-for-profit organizations to service local communities from an integrated and efficient hub.
  • Bell Canada and Bell Mobility, to negotiate and review leases, license agreements, marketing agreements and other contracts respecting the use of real property for various telecommunications and broadcasting purposes, such as data centres, POP rooms, easements and telecommunications towers as well as the disposition of property associated with development on adjacent property including a sale of 234 Simcoe Street, Toronto to Lanterra Developments in October, 2018 and sale of property on Roehampton Avenue, Toronto to Metropia Developments in September 2018.
  • Various clients, including a pension fund investor dealing in large retail shopping centres and a major national grocer on the development or the purchase, sale and financing of both vacant and developed properties, including reciprocal agreements related to development, use and cost-sharing with adjoining owners and including compliance with municipal real property requirements related to Site Plan approval.
  • ATS Automation to negotiate the lease of a new 150,000 square foot facility at 1 Natura Way, Cambridge, Ontario in October 2018.

Beyond Our Walls

Professional Involvement

  • Member, Urban Land Institute (Toronto) currently serving on Membership Committee
  • Member, Ontario Bar Association, Real Property Law Section

Community Involvement

  • Created and organized the ULI Leadership Program, which involves seven full day sessions for emerging real estate leaders
  • Arranged long-term employment at Loblaws for BLG’s sponsored family of Syrian refugees in 2017
  • Significant pro bono work for The Stop, a not-for-profit organization that deals with food and nutrition education; in particular, helped negotiate lease for The Stop's anchor tenancy of the Wychwood Green Barns, a project spotlighted in Pro Bono Law Ontario's 2009 Annual Report
  • Legal Advisor to John Howard Society on a potential support centre located near to Toronto's new jail in south Etobicoke
  • Volunteer, BLG Reads to Kids

Awards & Recognitions

  • Recognized in the 2021 edition of Chambers Canada – Canada's Leading Lawyers for Business (Real Estate- Ontario).
  • Selected by peers for inclusion in the 2021 edition (and since 2014) of The Best Lawyers in Canada® (Real Estate Law).
  • Recognized in the 2021 edition of the Canadian Legal Lexpert Directory (Property Leasing)

Bar Admission & Education

  • Ontario, 2001
  • LLB, Université de Western Ontario, 1999
  • Political Science courses, Université de Western Ontario, 1994-96