Welcome to the website of W. Andrew McLauchlin, FCIArb

W. Andrew McLauchlin is recognized by Canadian Legal Lexpert ® Directory as a leading and most frequently recommended construction law professional. Andy is also recognized as one of Canada's leading construction law lawyers. As of September 2022, Andy has joined Goldman Sloan Nash & Haber LLP as Counsel.

Andy has practiced exclusively in the area of Construction Law since his call to the Bar in 1975. He has practiced trial and appellate advocacy at all levels of court. Andy is experienced in all forms of alternate dispute resolution, including mediation and arbitration. He is a Fellow of the Chartered Institute of Arbitrators.

Andy is a former instructor at the Bar Admission Course and a former lecturer at the University of Toronto, Faculty of Engineering. He is a member of the teaching faculty of the Construction Education Council and the University of Waterloo. He is a frequent speaker at professional and industry organizations and author of numerous publications.

Andy is a member of the Law Society of Ontario, the Canadian Bar Association, The Advocates' Society and the Toronto Construction Association. Andy is recognized in the area of Construction Law in The Canadian Legal Lexpert® Directory as most frequently recommended, The Lexpert/ALM Guide to the Leading 500 Lawyers in Canada, The Best Lawyers in Canada, International Who's Who of Construction Lawyers and maintains the highest possible Martindale-Hubbell rating of AV Preeminent. Andy was also awarded the 2017 OBA Construction and Infrastructure Law Award of Excellence and is recognized by The Best Lawyers in Canada as Lawyer of the Year — Construction — Toronto, 2014 and 2019 and also Alternate Dispute Resolution. He is also certified by The Law Society of Ontario as a Certified Specialist in Construction Law. Andy is an Inaugural Fellow and Governor and Past President of the Canadian College of Construction Lawyers.


Bachelor of Arts, York University
Bachelor of Laws, University of Western Ontario

Bar Admission

Called to the Bar (Ontario), 1975

Professional Memberships

Law Society of Ontario
Ontario Bar Association — Construction and Infrastructure Law Section
Canadian Bar Association — Ontario
Advocates' Society
Toronto Construction Association
Canadian College of Construction Lawyers
Chartered Institute of Arbitrators
Toronto Lawyers Association

Contact Andy

(416) 368-2510

(416) 368-2599


My Practice

Construction Claims

I know that construction claims differ from other types of commercial and contract disputes due to the unique nature of the construction industry.

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Litigation & Advocacy

I represent clients at all levels and types of proceedings, including tribunals, mediations, arbitrations, construction lien proceedings, the Superior Court of Justice and the Ontario Court of Appeal.

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Construction Act Proceedings

The Construction Act establishes a system of lien and holdback rights, as well as trust provisions to provide protection to the individuals who supply services and materials to construction project.

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Contract Drafting & Review

The vast majority of disputes that arise in the construction context can be traced back to the terms and conditions of an underlying construction contract.

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Bidding & Tendering

The obligations of a tender authority in the administration of a tender process have become better, and less understood over time.

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Maintenance Contract Issues

Contractors and subcontractors who provide maintenance services are faced with obligations, client relationships and contractual pitfalls which are unique to the work they perform.

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Building Code & Zoning

Changes to the Ontario Building Code and the amalgamation of a number of municipalities have changed the way the OBC and zoning processes impact construction on a day-to-day basis.

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Mediation & Arbitration

Mediation/Arbitration, is a process by which parties work to resolve disputes through mediation and arbitration, either with an individual or a panel of individuals who are neutral in position to the matters at issue.

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