Lower Costs, Higher Potential: Why Under-21 Employees Make Business Sense

With rising employment costs and increasing pressure on businesses to control overheads, many employers are reassessing how they build their teams. Employing younger workers can provide both a long-term talent pipeline and short-term financial efficiencies when approached correctly.

Date
19 March 2026
Reading time
Around 4 min

Perception vs Potential

There has long been a perception that employing younger workers can be costly or higher risk. In response, the government has introduced various allowances, exemptions, and initiatives over the years, including apprenticeships and Employer National Insurance reliefs, aimed at reducing the financial burden on businesses.

Despite these measures, many employers remain cautious about building a younger workforce., often due to concerns around experience and training time. However, younger employees can also represent a highly adaptable and motivated talent pool, offering the opportunity to develop skills from the outset while benefiting from meaningful cost efficiencies.

Productivity

School leavers and younger workers often enter employment without established workplace habits, which can make onboarding and training more straightforward. Employers are able to teach processes, systems, and standards from the outset, rather than needing to adapt or retrain existing methods. This can lead to quicker alignment with internal procedures and more consistent application of company policies.

Over time, employees who are trained within one organisation’s systems frequently develop strong familiarity with its tools and culture, supporting retention and internal progression. While experienced hires bring valuable knowledge and immediate capability, early-career employees can offer a different advantage; adaptability, speed of learning, and long-term alignment with business processes.

Practical Savings

In addition to development potential, there can also be direct cost savings when employing workers under 21.

  • Lower National Minimum Wage Rates
    The National Minimum Wage for under-21s is lower than the National Living Wage for workers aged 21 and over.
    For example (2026/27 rates):
    Age 18–20: £10.85 per hour
    Age 16–17: £8.00 per hour (this includes apprentices up to age 19 or in their first year of apprenticeship)
    This can make a noticeable difference to overall staffing costs, particularly for entry-level or training roles.

  • Employer National Insurance Relief
    Employers pay 0% Employer National Insurance on earnings up to the Upper Secondary Threshold (£50,270pa 2026/27) for employees under the age of 21.
    This can represent a saving of up to 15% compared with standard Employer NI rates, depending on salary levels.

  • Pension Contributions
    Automatic enrolment into a workplace pension generally applies from age 22 (subject to earnings thresholds).
    This means that employees aged under 22 are not automatically enrolled and, unless they choose to opt in, employers are not required to make pension contributions. This can reduce employer costs by a further 3% of qualifying earnings.

  • Apprenticeships or Training Schemes
    Where a business is able to provide compliant, government-approved training or apprenticeship opportunities, further funding support or incentives may be available, depending on eligibility.

  • Youth Jobs Grant
    From 2026, eligible employers can access the new Youth Jobs Grant offering £3,000 per hire for young workers aged 18-24 who have been on Universal Credit and seeking work for six months where the can offer a contract for at least 16 hours per week.

Protections

Things to keep in mind when employee young workers:

  • Working hours restrictions for under-18s

  • Right-to-work checks still apply

  • Minimum wage rules must still be followed strictly

  • Health & safety considerations

  • Safeguarding and appropriate supervision for minors

Perspective

Employing younger workers is not the right approach for every role or every business, but when considered strategically it can offer a combination of financial efficiency, workforce development, and long-term organisational value. Lower statutory employment costs, combined with the ability to train employees in line with internal systems from the outset, can create both immediate and future benefits.

A balanced workforce that blends experience with early-career potential often delivers the strongest results. By understanding both the savings and the responsibilities involved, employers can make informed decisions that support sustainable growth rather than short-term cost cutting alone.