Class Actions

VLSS provides expertise in a variety of areas in the context of class actions, from forensic accounting investigations and the evaluation of proposed quantification methodologies to the development, and implementation, of methods for determining damages for individual class members where aggregate damages have been found to not be appropriate.

Our class actions services include:

  • Developing models to quantify damages at an individual level

  • Responding to financial aspects of class certification

  • Developing evidence-based, supportable, "but-for" financial models

  • Reviewing and responding to opposing expert reports

  • Providing credible expert testimony at trial

Selected representative experience includes:

Spina v. Shoppers Drug MartProvided opinion on behalf of the representative plaintiffs as to the ability to compute damages for each individual class member pursuant to s. 25 of the Class Proceedings Act.

Lewis v. WestJet AirlinesProvided report on behalf of WestJet responding as to purported cost savings from an alleged breach of an anti-harassment promise.

Zentner v. GFA World, 2022 ONSC 1683Provided evidence analyzing how donor funds were used. Court dismissed action.

Percival v. MedtronicProvided report on behalf of Medtronic responding as to proposed method to calculate aggregate damages.

Cullaton v. MDG Newmarket Inc, d/b/a Ontario Energy GroupProvided report on behalf of MDG Newmarket responding to calculations of alleged economic harm.

Various class actions opposing Restaurant Brands International Inc. and Radar Labs Inc. - Retained by RBI's insurer to provide an expert report opining on the actual loss sustained by RBI resulting from settlement with class members under the insurance policy.

© 2026 Valuation and Litigation Support Services (VLSS) Inc.

Toronto

401 Bay Street, 16th Floor

Toronto, ON M5H 2Y4

Canada

Montréal

1200 McGill College Avenue, Suite 1100

Montréal, QC H3B 4G7

Canada