Mercy Oyelowo
UK Tax, Accounts & SME Advisory
Mercy Oyelowo works in UK tax, accounts preparation and small-business advisory — the day-to-day end of the profession, where the same handful of questions come up again and again from people running something small.
At TaxFly she reviews the self-employment and small-business guides: registering with HMRC, the trading allowance, record-keeping, Making Tax Digital for Income Tax and the first self assessment. Her benchmark is whether someone with no accountant could follow the guide and file correctly.
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Practising in UK tax, accounts preparation and small-business advisory.
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Guides by Mercy Oyelowo (12)
Self Assessment Penalties: What You Owe at 1 Day, 3 Months, 6 Months and a YearGig Economy Tax: Delivery, Driving and Freelancing Through an App (2026/27)Self Assessment: register by 5 October or face a penaltyPayments on account: why your January tax bill is 150% of what you expectedSide hustle tax: the £1,000 trading allowance and what HMRC already seesMTD Sign-Up Service Down 10 to 13 July: Act Before the 7 August DeadlineNeed tax help? Gen Zs wish they had learnt basics about taxHMRC doubles funding for customers who need extra supportPAYE vs Self-Employed: Which Leaves You Better Off?Self-Employed Tax: A Beginner's Guide (2026/27)Making Tax Digital for Income Tax: The Complete 2026 GuideSelf Assessment Tax Returns 2026: Deadlines, Penalties and How to File