Three categories, not two
The line between legal tax planning, aggressive avoidance, and illegal evasion isn't blurry from HMRC's perspective — it's very clearly drawn, but it uses vocabulary the general public gets wrong. This guide clarifies which side of the line the common freelance decisions sit on, and what to do if you've unintentionally strayed.
Three categories, not two
Legal tax planning: using reliefs, allowances and structures that Parliament explicitly created. Pension contributions, ISAs, incorporating a limited company, salary/dividend splits — all planning. Zero risk when applied correctly.
Aggressive tax avoidance: using artificial arrangements to reduce tax in ways the law technically permits but Parliament didn't intend. Legal on the day, but subject to disclosure rules (DOTAS), the General Anti-Abuse Rule (GAAR), and retrospective challenge. HMRC publishes 'Spotlight' warnings on specific schemes. Freelancers get pulled into these via umbrella-loan schemes and disguised remuneration.
Tax evasion: failing to declare income, submitting false returns, hiding assets. Criminal offence. HMRC prosecutes.
Where common freelance decisions sit
Incorporating a limited company at £50k+ profit is planning. Splitting shares with a genuinely-involved spouse is planning. Using a bounce-back loan scheme that was actually a loan is legitimate. Signing up to a 'get 90% of your contract income tax-free' umbrella scheme is aggressive avoidance at best, evasion at worst — and freelancers who signed up in 2015-2019 are still being pursued for underpaid tax with interest and penalties years later.
Generic rule: if the arrangement wouldn't work without a specific loophole or non-arm's-length agreement, it's aggressive at minimum.
If you think you might be on the wrong side
HMRC's Contractual Disclosure Facility (CDF) lets you voluntarily disclose deliberate errors in return for reduced penalties and no prosecution. If you're worried about a past umbrella arrangement, a loan-charge scheme, or undeclared income, get specialist tax-investigation advice before contacting HMRC directly. The Loan Charge campaign has left many freelancers exposed — legal specialists exist for exactly these cases.
Worked example
Kelly is offered a role via an umbrella that promises 85% take-home after 'tax and fees' — dramatically more than the ~62% she'd expect via a standard PAYE umbrella. The mechanism: some pay via PAYE, the rest via an offshore 'loan' that's never repaid. The scheme markets itself as legal. In practice, it's aggressive avoidance, sometimes evasion. HMRC catches up years later; freelancers face tax + interest + penalties covering the entire 'loan' amount as if it were income. If she was offered this in 2016 and has since taken £150k this way, she could be looking at a £60-90k liability plus penalties. She turns the arrangement down.
Reference table
| Arrangement | Category | Risk |
|---|---|---|
| Pension contribution reducing taxable income | Legal planning | Zero |
| Salary/dividend split as Ltd director | Legal planning | Zero |
| Genuine spousal shareholding + dividends | Legal planning | Low |
| Sham spousal shareholding (spouse not involved) | Aggressive avoidance | High — settlements legislation |
| Umbrella 'loan' scheme (never-repaid loan) | Aggressive avoidance / evasion | Very high — Loan Charge |
| Understating income on Self Assessment | Evasion | Criminal |
| Claiming personal expenses as business | Evasion (if deliberate) | Penalties + interest |
Am I on the right side? Self-check
- Every £ of income I've earned is declared on Self Assessment / Corporation Tax return
- Every expense I've claimed is wholly and exclusively for business
- Every relief or allowance I've used is one Parliament explicitly created
- I don't participate in any scheme requiring an offshore entity to work
- I don't participate in any scheme where my 'income' is called a 'loan'
- My accountant is a member of a professional body (ACCA, ICAEW, CIOT)
- I check HMRC's 'Spotlight' warnings before signing up to any 'tax-efficient' arrangement
Not necessarily on the day, but HMRC can challenge under DOTAS/GAAR and retrospectively. Freelancers who used umbrella-loan schemes 5-10 years ago are being pursued for tax now — the schemes worked on paper then, don't now.
A one-off tax charge on outstanding disguised-remuneration loans from December 2010 onwards. Applies where the freelancer used an umbrella that paid them via 'loans' that were never repaid. HMRC has pursued this vigorously since 2019.
Legally, yes — but you must declare foreign income on Self Assessment. If you're using an offshore account to hide income from HMRC, that's evasion. Automatic information exchange means HMRC sees most offshore account activity within 12-24 months.
Generally no if you disclose voluntarily and cooperate. Penalties for careless errors are 0-30%; deliberate concealment is 20-100%. Voluntary disclosure via CDF or DDS reduces penalties dramatically.
The expense must be incurred for business purposes with no personal benefit. Mixed-use costs can be apportioned (home office, phone). Costs with any personal benefit — like a suit that could be worn socially — are not claimable.
Sources & official references
Related on FreelanceToolkit UK
This guide is general information based on UK rules for the 2025/26 tax year. It is not personal tax or legal advice. For decisions affecting your tax position or legal exposure, consult a qualified accountant or solicitor.