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Unifor and General Motors reach tentative agreements for 4,600 Canadian workers

Unifor reached tentative labor agreements with General Motors for 4,600 workers at several Ontario plants, with ratification votes scheduled for late August.

Published August 22, 2026 at 4:23 PM EDT

The short answer

Unifor reached tentative labor agreements with General Motors for 4,600 workers at several Ontario plants, with ratification votes scheduled for late August. Canadian union Unifor announced on Saturday that it has reached tentative agreements with General Motors (GM) covering 4,600 workers in Ontario. The labor deal follows negotiations that began earlier this month between the union and the automaker.

Unifor and General Motors reach tentative agreements for 4,600 Canadian workers

The Facts

Who
Unifor (Canadian union) and General Motors (GM).
What
Tentative labor agreements between Unifor and General Motors.
When
Saturday, August 22, 2026
Where
Ontario, Canada, including Oshawa, Ingersoll, St. Catharines, and Woodstock.
Why
The agreements establish new wage and benefit terms for 4,600 automotive workers following the pattern set by a previous deal with Ford.

Timeline of what happened

Key dates and decisions, in the order they occurred.

  1. August 19, 2026

    U.S. President pauses Canada tariffs for three days

  2. August 22, 2026

    Unifor announces tentative agreements reached with GM

  3. August 29, 2026

    First day of scheduled ratification meetings for union members

  4. August 30, 2026

    Second day of scheduled ratification meetings for union members

Canadian union Unifor announced on Saturday that it has reached tentative agreements with General Motors (GM) covering 4,600 workers in Ontario. The labor deal follows negotiations that began earlier this month between the union and the automaker.

The talks were initiated after Unifor finalized a separate agreement with Ford Motor Co. That contract, which served as a framework for current negotiations, established 3% annual wage increases over a three-year period. Unifor National President Lana Payne stated that the new tentative deals with GM include gains in both income and benefits for the covered employees.

The agreements apply to union members working at several specific locations in Ontario. These include the Oshawa Assembly Plant, the CAMI Assembly Plant in Ingersoll, and additional GM worksites located in St. Catharines and Woodstock. While the union has expressed satisfaction with the terms, the specific financial details of the GM package have not yet been fully disclosed.

A finalized contract would provide labor stability for General Motors at critical production hubs, including the Oshawa and CAMI assembly plants. For the communities of Oshawa, Ingersoll, St. Catharines, and Woodstock, the employment terms for these 4,600 workers influence local consumer spending and the regional economy. The scale of the agreement involves thousands of jobs that support the production of vehicles for the North American market, though the specific dollar value of the total benefit package was not reported in the initial announcement.

The next concrete step for the affected workers will occur at the end of August. Union members will review the full details of the tentative agreements during scheduled ratification meetings. A person's actual take-home pay and benefit access will only change if the membership votes to approve the deal. If ratified, the agreement will set the legal standards for employment at these GM facilities for the duration of the contract term.

Unifor has scheduled these ratification meetings to take place on August 29 and August 30. During these sessions, the 4,600 members will cast their votes to either accept the terms or reject them, which would return the parties to the negotiating table. The specific effective date for any wage or benefit changes depends on the outcome of these votes.

Summaries are written by The Plain Record to state the facts of a story plainly and without political slant. See our editorial standards, or report a correction.

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Questions readers ask

What happened: Unifor and General Motors reach tentative agreements for 4,600 Canadian workers?

Canadian union Unifor announced on Saturday that it has reached tentative agreements with General Motors (GM) covering 4,600 workers in Ontario. The labor deal follows negotiations that began earlier this month between the union and the automaker.

Who is involved?

Unifor (Canadian union) and General Motors (GM).

When did this happen?

Saturday, August 22, 2026

Where did this happen?

Ontario, Canada, including Oshawa, Ingersoll, St. Catharines, and Woodstock.

Why does this matter?

The agreements establish new wage and benefit terms for 4,600 automotive workers following the pattern set by a previous deal with Ford.