Workplace Pensions Explained: How Auto-Enrolment Works

Joe Gerrans
Written byJoe GerransCo-Founder, TrustEvo
6 minutes minute read
Published March 2026

Workplace pensions are one of the main ways people in the UK save for retirement.

Since the introduction of automatic enrolment, most employees are now automatically enrolled into a pension scheme by their employer.

This system was introduced to increase long-term retirement savings and ensure more workers build a pension alongside the State Pension.

The UK government explains how workplace pensions and automatic enrolment work here: gov.uk/workplace-pensions

Quick Summary

This may help you:

  • Understand how workplace pensions work
  • Learn how automatic enrolment operates
  • See how pension contributions are shared between employers and employees
  • Understand when employees may opt out

Before deciding, check:

  • Employer pension contributions
  • Your pension provider
  • Contribution levels
  • Whether additional contributions are possible

What Is a Workplace Pension?

A workplace pension is a retirement savings plan arranged by an employer for its employees.

Both the employee and employer typically contribute to the pension, and the contributions are invested to build long-term retirement savings.

Workplace pensions are designed to help individuals build income for retirement alongside the UK State Pension.

Our article on pensions from previous employers explains how workplace pensions may accumulate as individuals move between jobs.

How Automatic Enrolment Works

Automatic enrolment requires employers to automatically enrol eligible employees into a workplace pension scheme.

This means employees do not need to actively sign up in order to begin contributing.

Under the system:

  • Employers enrol eligible employees automatically
  • Contributions are deducted from salary
  • Employers must also contribute to the pension

More information about the rules is available on the government website.

Who Is Automatically Enrolled?

Employees are usually automatically enrolled if they:

  • Work in the UK
  • Are aged between 22 and State Pension age
  • Earn more than the automatic enrolment threshold

These thresholds are set by the government and may change over time.

Employees who are not automatically enrolled may still be able to opt into the scheme.

Contribution Requirements

Workplace pension contributions are shared between the employee, employer and the government through tax relief.

Minimum contribution levels currently include:

  • Employee contributions
  • Employer contributions
  • Tax relief from the government

Together these contributions build retirement savings over time.

Our article on managing a pension explains how individuals may review their pension contributions regularly.

Can Employees Opt Out?

Employees can choose to opt out of a workplace pension scheme if they wish.

However, many individuals remain enrolled because employer contributions effectively add additional savings.

Employees who opt out can usually rejoin the pension scheme later if they change their mind.

Our article on what happens to your pension when you change jobs explains this in more detail.

Key Considerations

FactorWhy It Matters
Workplace pensionsHelp build retirement savings
Employer contributionsIncrease pension savings
Automatic enrolmentEnsures eligible employees join schemes
Long-term savingPensions are designed for retirement income

Frequently Asked Questions

Exploring Your Options

Financial planning decisions depend on individual circumstances. If you would like clarity on how the topics discussed may apply to your situation, TrustEvo can connect you with a regulated financial adviser.

This article is provided for general information only and does not constitute financial advice. Financial decisions depend on individual circumstances and regulated financial advice may be appropriate in some situations.

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