Incorporation is a business-structure decision, not a universal tax-saving switch. A limited company is legally separate from its owners, and its director responsibilities, record keeping, accounts and tax administration are different from a sole trader's.
Build a fact pack before deciding
- Current and expected profit, cash needs and how money is taken from the business.
- Customer contracts, warranties, finance/equipment arrangements and supplier relationships that may need review.
- Who will be director/shareholder and who will maintain the company records.
- Payroll, CIS, VAT and accounting-system implications.
- Professional advice on the tax and legal consequences for the actual people/business involved.
GOV.UK says directors remain legally responsible for company records, accounts and performance even where an accountant helps. A limited company must prepare accounts and a Company Tax Return, with deadlines that differ across Companies House and HMRC. That administrative commitment should be part of the decision—not an afterthought once work is busy.
Avoid simplistic comparisons
Do not compare only the headline tax rate. Think about decision-making, drawings, retained cash, ongoing costs, finance/contract terms and whether the business has the records to run a separate legal entity well. The right structure depends on facts that can change as the business grows.
A balanced starting comparison
A company is a separate legal entity and brings company records and director responsibilities. A sole trader structure may be simpler administratively. The right choice depends on profit, drawings, risk, future plans and the facts of the person and business.
Fictional fact pack
For example, an owner expecting £60,000 profit, needing regular drawings and considering a finance agreement should list those facts before comparing structures. The example does not produce a tax answer; it shows why a tailored comparison needs current records and advice.
Preparation list
List expected income, costs, drawings, contracts, finance, insurance and who will keep the records. Ask for advice before changing legal form or tax treatment.
Related FoxSums resources
- Why Small Businesses Need More Than Year-End Accounts
- CIS Refund Guide for Limited Company Subcontractors
- How to Read Monthly Management Accounts
Next step
Use the comparison to list the facts that need advice before changing how the business is set up.
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 - business records if you are self-employed
- GOV.UK - director filing information