Agency Worker Pensions: How Auto-Enrolment Actually Works

Two Separate Legal Frameworks — Don't Confuse Them

Agency workers in the UK are covered by two distinct sets of statutory protections that are frequently and understandably conflated:

The 12-week rule that agency workers (and the recruiters who place them) often think about first relates specifically to AWR equal treatment, not pensions. Auto-enrolment duties can, and often do, apply from the very start of an assignment.

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Who Assesses and Enrols the Worker?

For most agency arrangements, the agency itself (or the umbrella company, where one is used as an intermediary) is treated as the employer for pension auto-enrolment purposes — not the end client business where the worker actually carries out day-to-day duties. This means:

• The agency/umbrella company runs the age and earnings assessment for auto-enrolment.
• The agency/umbrella company selects (or already has) a qualifying pension scheme.
• The agency/umbrella company makes the employer pension contribution, alongside deducting the worker's own contribution from pay.
• The end client generally has no direct pension auto-enrolment obligation towards agency workers supplied to them, since the client isn't the legal employer in this relationship.

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Standard Eligibility Criteria (Same as Any Worker)

Agency workers who don't meet the earnings threshold from a single agency, but whose combined weekly hours across multiple short assignments would meet it if aggregated, are not automatically entitled to enrolment based on combined earnings — assessment is done per employer relationship, which for many agency arrangements means per agency (or per umbrella company), not combined across different agencies.

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Contribution Rates for 2026/27

Qualifying earnings are calculated on the band between the lower and upper limits, not on the worker's full gross pay — someone earning £22,000 a year has qualifying earnings of £22,000 − £6,240 = £15,760, and 8% of that (£1,260.80) is the total minimum annual contribution, split between worker and employer.

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Umbrella Companies: An Added Layer

Many agency workers, particularly in contracting and temporary professional roles, are engaged through an umbrella company rather than being paid directly by the recruitment agency. In this structure:

• The umbrella company is usually the legal employer for pension auto-enrolment purposes.
• The umbrella company selects the pension scheme (commonly a master trust) and manages contributions.
• The worker should check their payslip carefully to confirm employer and employee pension contributions are being correctly deducted and paid across, since umbrella company fee structures can sometimes make it harder to see the net effect clearly.

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Moving Between Agencies: The Multiple Small Pots Problem

Because the agency (or umbrella company) is typically the "employer" for auto-enrolment purposes, a worker who moves between several different agencies over a career — common in sectors like nursing, supply teaching, construction and hospitality — can accumulate several separate small pension pots, each with a different provider, rather than one continuously growing pot.

This matters practically because:

• Small pots can carry proportionately higher charges relative to the balance.
• It's easy to lose track of older pots, particularly after several job or address changes.
• Consolidating pots (where appropriate, after checking for any valuable guarantees or exit penalties attached to older pots) into a single scheme can simplify tracking and potentially reduce overall charges.

Workers unsure how many pots they may have accumulated across past agency work can use the government's Pension Tracing Service to help locate lost pension schemes from previous employers.

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Opting Out and Re-Enrolment

Agency workers have the same statutory rights as any auto-enrolled worker:

• Opt out within one month of enrolment for a full refund of contributions already deducted.
• Leave the scheme after the opt-out window — contributions stop from that point, but money already paid in generally stays invested until retirement rather than being refunded.
• Opt back in later, generally available once every 12 months if requested.
• Automatic re-enrolment — even workers who previously opted out are automatically re-enrolled roughly every three years if they still meet the eligibility criteria at that point, requiring them to actively opt out again if they still don't want to participate.

For agency workers moving frequently between assignments and potentially between different agencies, each new agency relationship effectively restarts this cycle, making it worth reviewing pension status at the start of each new assignment rather than assuming continuity from a previous placement.