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Moonlighting in 2026/27

Scale Your
Moonlight.

Earning extra cash shouldn't mean losing 40% to surprise taxes. We help you navigate the gap between your 9-to-5 and your side hustle.

The Privacy Box

HMRC generates over £1 billion in side-hustle revenue. They value your privacy.

Self AssessmentPRIVATE
Tax RecordsPRIVATE
Will My Boss Find Out?

The Short Answer

Your side hustle and your job are separate worlds in HMRC's eyes.

You report your side income once a year. As long as you follow the correct filing procedures, your employer will never receive an alert or a detailed report on your second income.

The No-latin
Guarantee.

We translate every HMRC manual, bulletin, and legislative change into the language humans actually use. No jargon. No confusion.

HMRC 2026/27 Verified
Plain English Only
Always Free

Need a Tax Plan?

Our Side Hustle Calculator helps you predict your year-end bill so you never spend money that actually belongs to the taxman.

Try The Accountant-Free Calculator

Moonlighting FAQ

Quick Answers

Usually not for the tax itself, but you could be for violating 'conflict of interest' or 'non-compete' clauses in your contract. Always check your employment terms before starting.
Yes. In the UK, if you earn money through trading or services outside of a job, you are technically a 'Sole Trader' (Self-Employed) for that income.
No. The first £1,000 is your Trading Allowance. It's completely tax-free. You only register for Self Assessment if your total gross revenue crosses this line.