Guides / Company admin & legal

Auto-Enrolment Pension Duties for Small Employers

Understand auto-enrolment pension rules for small UK employers including staging dates, qualifying earnings, minimum contributions and re-enrolment.…

Small employers in the UK must comply with workplace pension auto-enrolment rules once they meet certain criteria, requiring them to automatically enrol eligible staff into a qualifying pension scheme and make contributions. This guide explains the key duties in practical terms for early-stage founders running limited companies or employing staff in their e-commerce businesses.

The requirements apply to all employers regardless of size, but smaller teams often encounter them for the first time when they take on their first employee or when their staging date arrives. Understanding the basics helps avoid penalties while keeping administrative work manageable.

What is auto-enrolment and who must comply?

Auto-enrolment is a legal framework that requires employers to automatically enrol certain workers into a workplace pension scheme. Employers must also make contributions on their behalf and register with The Pensions Regulator. This applies to anyone classed as an employer, including limited companies that pay staff through PAYE.

Even very small teams can have duties if they employ at least one qualifying person. Sole traders without employees are generally exempt, but once a limited company starts employing staff the obligations can apply. The exact timing depends on your staging date, which is set according to the number of employees you had on a specific reference date.

Staging dates for small employers

Your staging date is the point from which auto-enrolment duties begin. These dates were staggered over several years according to employer size, with the smallest employers and new employers staged later. If you became an employer after your original staging date, you must comply from the date you first employ qualifying staff.

Many early-stage founders discover their staging date only when they register for PAYE. It is essential to check your exact staging date using the tool on GOV.UK as the date determines when you must have a pension scheme in place and begin automatic enrolment. Delaying beyond this date can lead to enforcement action from The Pensions Regulator.

Identifying qualifying earnings and eligible workers

Qualifying earnings are the band of earnings on which pension contributions are calculated. This typically includes gross salary, wages, commission and certain bonuses, but excludes overtime in some schemes. The earnings band itself changes periodically, so always verify the current figures on GOV.UK before running payroll.

Workers are categorised as eligible jobholders, non-eligible jobholders or entitled workers. Eligible jobholders aged between 22 and State Pension age who earn above a certain threshold must be automatically enrolled. Others have different rights, such as the option to opt in. Review each employee’s age, earnings and employment status carefully at the staging date and at every pay reference period to decide who must be enrolled.

Practical tip: create a simple spreadsheet listing each team member’s date of birth, average earnings and employment start date. Update it before each payroll run so you can quickly identify who qualifies and avoid missing anyone.

Minimum contributions and qualifying schemes

Employers must contribute at least a minimum percentage of qualifying earnings into the pension. Employees also contribute, and the total minimum level is shared between them. These percentages and the exact earnings band used can change, so check the latest requirements on GOV.UK or with your pension provider before setting contribution rates.

You must choose a qualifying pension scheme that meets minimum standards. Many small employers use a master trust or a low-cost provider such as NEST, which was specifically created for auto-enrolment. The scheme must allow automatic enrolment, accept the minimum contributions and provide the required information to The Pensions Regulator.

When selecting a provider, compare set-up fees, ongoing charges and the support offered for small teams. Some platforms integrate directly with payroll software, which reduces manual work when you add new employees or process monthly contributions.

Re-enrolment cycles and ongoing duties

Every three years you must conduct a re-enrolment check. This involves reviewing staff who previously opted out or ceased active membership and automatically re-enrolling those who still meet the eligibility criteria. The re-enrolment date is usually three years after your original staging date, then every three years thereafter.

Between re-enrolments you must still handle opt-ins, opt-outs and any changes in employee circumstances such as pay rises that move someone into or out of the qualifying earnings band. Keep clear records of all communications, contribution calculations and opt-out notices for at least six years. These records demonstrate compliance if The Pensions Regulator makes contact.

Practical steps include setting calendar reminders for your re-enrolment date and reviewing your workforce list at least two months in advance. This gives time to choose a contribution rate, update contracts if needed and brief any staff who will be re-enrolled.

Common pitfalls and how to stay compliant

Small employers often miss the requirement to write to all eligible staff explaining their rights, or they fail to process opt-out requests within the one-month window. Another frequent error is using the wrong earnings definition when calculating contributions. Both can trigger fines.

Build a simple process: run an eligibility report each pay period, issue the required letters using templates from The Pensions Regulator, and record every action. If you use payroll software that supports auto-enrolment, enable the pension module and test it with a small contribution before your staging date.

Consider taking professional advice from an accountant or regulated adviser when you first encounter these duties. They can confirm your staging status, recommend a suitable scheme and help set up the initial processes correctly.

Next steps for UK founders

Begin by confirming your staging date and current employee status on GOV.UK. Next, choose and set up a qualifying pension scheme, then prepare your payroll and HR processes. Document everything and review your setup before each re-enrolment cycle.

Founders based in West Yorkshire can access practical support at Loomworks in Liversedge, where selected early-stage e-commerce and AI startups receive free desks, a registered address and mentoring to help manage company admin alongside product development.

Frequently asked questions

When does my small business need to start auto-enrolment?

Your duties begin on your staging date, which depends on the number of employees you had on a reference date set by the government. New employers usually start when they first pay qualifying staff through PAYE. Check the official staging date tool on GOV.UK using your PAYE reference to confirm the exact date that applies to you.

What are qualifying earnings for pension contributions?

Qualifying earnings are a specific band of an employee’s gross pay used to calculate the minimum contribution. This band includes basic pay, commission and some bonuses but may exclude overtime depending on the scheme. The upper and lower limits of the band change from time to time, so always verify the current figures directly on GOV.UK before each payroll.

How often must I re-enrol staff into the pension?

Re-enrolment must be carried out every three years. You review all staff who opted out or left the scheme and automatically re-enrol those who still meet the eligibility rules. The first re-enrolment date is normally three years after your original staging date. Set a calendar reminder and prepare your workforce list in advance.

Can I use any pension provider for auto-enrolment?

No. The scheme must be a qualifying pension scheme that meets the minimum contribution levels, allows automatic enrolment and satisfies The Pensions Regulator’s standards. Popular choices for small employers include NEST and certain master trusts. Compare charges and payroll integration before deciding which provider to use.

What records do I need to keep for auto-enrolment?

You must keep records of who was assessed, who was enrolled, contribution calculations, opt-out notices and all communications with staff and the pension provider. These records should be kept for at least six years. Clear documentation helps demonstrate compliance during any review by The Pensions Regulator.

Related reading: Health and Safety Responsibilities for Home-Based Businesses, Tax Relief for Working from Home as a Sole Trader or Director, Claiming Business Mileage and Vehicle Expenses Correctly. Browse all company admin & legal guides or apply to Loomworks.

Cohort one / 2026

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