Free Checklist PDF
Start a side hustle without putting your job at risk.
What senior UK employees worry about but rarely ask: your contract, who owns what you create, what HMRC expects, and how to keep your side business completely separate from your day job.The employment-contract red flags to check first
A likelihood-vs-impact map of the 8 real risks
The £1,000 trading allowance and 5 Oct HMRC deadline
What to disclose to your employer, and what you don't have to
Free PDF · 60 secondsJoin 800+ professionals already building. Unsubscribe anytime.
Get the checklist, free
One page. Check it off before you launch.The employment-contract red flags to check first
A likelihood-vs-impact map of the 8 real risks
The £1,000 trading allowance and 5 Oct HMRC deadline
What to disclose to your employer, and what you don't have to
A real look inside
See exactly what you’ll get

Free PDF · 60 secondsJoin 800+ professionals already building. Unsubscribe anytime.
Get the checklist, free
One page. Check it off before you launch.The employment-contract red flags to check first
A likelihood-vs-impact map of the 8 real risks
The £1,000 trading allowance and 5 Oct HMRC deadline
What to disclose to your employer, and what you don't have to
Not vibes. Real numbers.
The same data that opens the PDF itself.1
Contract to read before anything else£1,000
Trading income before you usually need to tell HMRC5 Oct
Deadline to register after your first tax year of trading0
Work devices, hours, or data used for your side businessThe 8 risks, by likelihood
A rough guide to how often each side-hustle risk actually shows up, not legal advice.What each bar means
- Work laptop / email useUsing work laptop or email for the side business
- Contract not readNot reading your employment contract first
- Tax / burnoutMissing tax registration / burnout
- Selling to employer's clientsSelling to your employer's clients
Who this is for
Built for professionals building something on the side, not full-time founders with runway to spare.For the cautious
Know exactly what could go wrong before you start, instead of finding out the hard way six months in.For the employed
Written specifically for people building alongside a full-time UK job, not generic startup advice that assumes you've already quit.For the paperwork-averse
Turns legal and financial admin into a 15-minute checklist you actually finish, not a research rabbit hole.Don’t build in the dark
Trusted by professionals who stopped overthinking and started testing.PN
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Jack Whitfield
Understanding side hustle risk while employed in the UK
Side hustle risk while employed in the UK mostly isn't about the business idea — it's about the unglamorous stuff: what your employment contract says about outside work, who legally owns what you build, when HMRC needs to know about your trading income, and whether you're accidentally using your employer's time, devices, or client list.The risks that actually cost people their job
This checklist maps 8 common risks by likelihood and impact. The two that show up most often and carry the highest impact are using a work laptop or work email for the side business, and not reading the employment contract before starting — both are avoidable in under 30 minutes, before either one becomes a real conversation with HR.What the checklist covers
Five sections: the employment-contract clauses to check first (non-compete, IP assignment, outside-work disclosure), a simple conflict-of-interest test, the £1,000 UK trading allowance and the 5 October registration deadline, what you are and aren't obligated to disclose to your employer, and a plain-English note on where this general guide ends and you need an actual employment solicitor or accountant.Download The Side-Hustle Risk Checklist
Join the newsletter below and get it sent straight to your inbox, free.Free PDF · 60 secondsJoin 800+ professionals already building. Unsubscribe anytime.
Get the checklist, free
One page. Check it off before you launch.The employment-contract red flags to check first
A likelihood-vs-impact map of the 8 real risks
The £1,000 trading allowance and 5 Oct HMRC deadline
What to disclose to your employer, and what you don't have to
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