Hiring and subcontracting are not interchangeable labels for the same arrangement. First establish the actual working relationship and appropriate employment-status treatment. Only then consider the commercial question: which resourcing model gives the business the skills, supervision, continuity and capacity it needs for the work ahead?
Assess status before comparing cost
Do not use this guide to select a tax result. HMRC states that CIS registration does not prove a worker is self-employed; the facts of the particular engagement matter. If required, use appropriate HMRC tools/advice to assess status for tax/NICs and keep employment-law questions separate.
Compare the operational needs
| Question | Employee capacity may suit where… | Subcontracted capacity may suit where… |
|---|---|---|
| Continuity | You need an ongoing role, training and a reliable internal team | You need defined specialist/package capacity for a particular scope |
| Supervision | The business will direct and manage the day-to-day work | The commercial arrangement supports delivery of an agreed outcome |
| Skills | You want to build capability that will be used repeatedly | A skill is specific, temporary or externally provided |
| Cash and commitment | You can fund the ongoing obligations and quiet periods | You can price and manage the package without assuming all risk has disappeared |
| Management load | You have systems for recruitment, payroll and people management | You have systems for scope, verification, evidence, quality and payment control |
Neither column is a status test. It is a way to make capacity assumptions visible after the legal/tax treatment is properly considered.
A practical decision record
Before committing, document the work forecast, required skills, supervision plan, cost basis, programme impact, insurance/health-and-safety responsibilities, evidence needed and who will own the commercial relationship. Then revisit the arrangement if the facts change; a short package can become ongoing people under a different pattern of control.
Related FoxSums resources
- Worker or Employee? A Practical Status Guide for Small Businesses
- Payroll Month-End Checklist
- CIS for Construction and Trades: Contractor and Subcontractor Guide
Next step
Check the real arrangement before deciding whether to engage a person as an employee or contractor.
Important
General information only. Check the facts and current official guidance for the business’s circumstances.
Sources and review
- Evidence check date: 2 November 2026.
- GOV.UK - employment status: self-employed and contractor
- HMRC - who can use CEST