Ontario Employment Law Guide

How Much Severance for 10 Years of Service in Ontario?

There are two answers to this question, and they’re not close. The legal minimum is measured in weeks. What courts actually award is measured in months.

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Number One: The ESA Minimum

Ontario’s Employment Standards Act (ESA) sets the floor — the least a terminated employee can legally receive. After 10 years, it has two separate parts, and the second part has conditions most people (and many offer letters) gloss over:

Termination pay: 8 weeks

ESA termination pay rises with service — nothing under 3 months, 1 week from 3 months to a year, 2 weeks from one to three years, then 1 week per year of service — but it caps at 8 weeks. Ten years of service gets the same 8 weeks as eight years.

Severance pay: 10 weeks — if eligible

A separate ESA entitlement: 1 week per year of service (so 10 weeks at 10 years, capped at 26 weeks). But it only applies if you have 5+ years of service and your employer has an Ontario payroll of $2.5 million or more, or severed 50 or more employees within a six-month period. Small-employer staff may not qualify at all.

So the statutory floor after 10 years is 18 weeks if you’re severance-pay eligible — and only 8 weeks if you’re not. Most termination letters are built at or near this floor. It is a floor, not an estimate of what you’re owed.

Number Two: Common-Law Notice

Unless your contract validly limits you to the ESA minimums (more on that below), your real entitlement is “reasonable notice” under the common law. There’s no formula — courts weigh the Bardal factors: your character of employment, your length of service, your age, and the availability of similar employment.

For an employee with 10 years of service, common-law notice commonly falls in the range of 10 to 14 months — and can go higher for older employees, senior or specialized roles, or thin job markets for comparable work. Notice is also paid on total compensation: salary, benefits, pension contributions, and — per Matthews v. Ocean Nutrition — bonuses you would have earned during the notice period. General common-law awards top out around 24 months, traditionally reserved for exceptional, long-service cases.

A Worked Example (Fictional)

Meet a fictional employee: a 47-year-old operations supervisor, 10 years of service, $78,000 salary ($1,500 per week), with group benefits and an annual bonus, at a large employer with a payroll well over $2.5 million.

Statutory minimum (ESA): 18 weeks ≈ $27,000
8 weeks’ termination pay ($12,000) + 10 weeks’ severance pay ($15,000). If the same person worked for a small employer under the $2.5M payroll threshold, the ESA floor would be just the 8 weeks — $12,000.
Common-law range: roughly 10–14 months ≈ $65,000–$91,000 in salary alone
Before adding the value of benefits, pension contributions, and bonus over the notice period — which push the total higher. Where in the range depends on the Bardal factors: age 47, supervisory role, and how many comparable jobs exist locally.

Same person, same decade of service — a gap of tens of thousands of dollars between the floor and the range. That gap is why the first offer letter should never be signed on sight.

The Contract Clause That Can Change Everything

Everything above assumes your employment contract doesn’t contain an enforceable termination clause. If it does — a clause that clearly limits you to ESA minimums — that clause can cap you at the floor, and the common-law range disappears.

The good news: Ontario courts strike these clauses down regularly. Since Waksdale v. Swegon North America (2020), a defect anywhere in a contract’s termination provisions can void all of them, and clauses that could ever breach the ESA — even hypothetically — fail. A large share of contracts signed years ago don’t survive this scrutiny. Before you assume you’re capped at the minimum, have the clause itself checked.

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General information only — not legal advice. If you believe the termination was discriminatory or reprisal for exercising ESA rights, speak to an employment lawyer promptly.