UK-registered accountancy company
Ostoya Accountancy Limited is registered under company number 16813071 and is based in Swaffham, Norfolk.
About us→
Bookkeeping, VAT and payroll support for UK small businesses
Swaffham-based accountants supporting Norfolk businesses locally and UK small businesses remotely, with service available in English and Polish.
English & Polish support Clear scope before work begins Swaffham & UK remote support
Verified business details
Clear credentials and service commitments
Ostoya Accountancy Limited is a UK-registered accountancy company led by an AAT-licensed accountant. We support clients in English and Polish, locally from Swaffham and remotely across the UK, with every engagement confirmed in writing before work begins.
English and Polish support
Client communication and day-to-day accountancy support are available in both English and Polish.
Written scope before work begins
Before work starts, we confirm the agreed services, responsibilities and quote in writing, so you know exactly what is included.
AAT-licensed accountant
Accountancy work is led by Monika Mikulska MAAT under AAT public-practice licence number 1006375.
View AAT accreditation detailsOstoya Accountancy Limited — company number 16813071. AAT public-practice licence number 1006375.
Why Businesses Choose Ostoya
More than bookkeeping – your proactive financial partner.
MTD Compliant
We keep you compliant with Making Tax Digital and HMRC requirements.
UK-Based & Trusted
Local Swaffham-based team, serving clients nationwide.
Transparent Pricing
No surprises. Simple monthly packages tailored to your size.
Xero & QuickBooks support
We can work with your existing Xero or QuickBooks setup and agree any setup or migration work in the written scope.
Services to simplify your finances
Bookkeeping, VAT Returns, and Payroll — accurate, compliant, and on time.
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Guides & help
Switching to Ostoya is Painless
Don't let admin fear stop you. We handle the awkward breakup for you.
1
You say 'Go'
Fill out a quick form or message us on WhatsApp to start.
2
We handle the handover
We contact your old accountant to get your records. No awkward calls for you.
3
You are onboarded
We set up your Xero/QuickBooks and you are compliant immediately.
Frequently Asked Questions
Everything you need to know about working with us.
I am behind on my taxes. Can you help?
Yes. We specialize in 'rescue bookkeeping'. We will deal with HMRC, organize your shoebox of receipts, and get you up to date fast.
Do you work with Xero or QuickBooks?
Yes. We support businesses using Xero and QuickBooks. Any software subscription, setup or migration cost is confirmed separately in your written quote.
Are you just online, or can I meet you?
We are a digital-first practice serving the whole UK, but we are based in Swaffham. Locals are welcome to meet us for a coffee!
How do I send you my invoices?
It's easy. You can snap a photo via an app, email them to a dedicated address, or upload them to a secure portal. No paper needed.
What makes you different from a standard accountant?
We are proactive. We don't just talk to you once a year. We check your books monthly to ensure you never have a surprise tax bill.
Modern Accounting for UK Small Businesses
Managing finances as a small business owner or contractor in the UK can be complex. From compliant HMRC tax returns to managing daily bookkeeping and payroll, Ostoya provides a digital-first solution that saves you time.
We support businesses using Xero and QuickBooks and agree the software access, setup and responsibilities as part of the written scope. Our English and Polish support is available from Swaffham and remotely across the UK.
Ready to simplify your bookkeeping?
Tell us what support you need and we’ll shape the bookkeeping, VAT or payroll scope around your business.