Flat-Fee Tax Filing for UK Small Businesses | Duna Accountancy & Tax

Fixed Fee accountants

The Digital
Accounting Service
Built for self Starters

You do the business. We do the accounts & taxes. Fast, flat-fee compliance for UK sole traders and limited companies, no jargon, no upsells.

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Why

Buy your peace of mind

Compliance First

We’re not here to pitch you strategy sessions or financial planning.
Our focus is making sure your business stays compliant, legally sound, and off HMRC’s radar. That’s our lane. We don't sell inflated hourly rates. Just expert accounts & tax submissions, handled on time and without hassle.

100% Digital, With Zero Fuss

Upload your records & simply send them to us. Sit back and let us take it from there.
Whether you use Xero, QuickBooks, FreeAgeent, spreadsheets, or your own system, Duna accountancy and tax services are built to integrate seamlessly into your workflow. We communicate clearly and digitally; saving you time and stress.

Flat Pricing, No Surprises

Say goodbye to confusing estimates, hidden hourly charges, or vague packages.
With Duna Accountancy & Tax, you’ll always know exactly what’s included ,when it will be delivered and what it will cost.ou time and stress.

Trusted by budget conscious modern businesses to manage what matters most

From year-end accounts and CT600s to VAT, payroll, and optional bookkeeping, we handle your small business accounting , so you can focus on building your dream

Corporation tax return

We calculate and file your Corporation Tax return with HMRC, making sure you’re paying the right amount, not a penny more, not a day late

Vat returns

If you're VAT-registered, we prepare and file your VAT returns. Whether you're on the standard, flat-rate, or annual scheme, you stay fully compliant with HMRC and avoid penalties for negligence.

Payroll for SMEs

We act as a payroll bureau for small businesses, handling your entire payroll department, managing benefits in kind reporting and auto-enrolment pensions.

Bookkeeping services

Whether you trade in services or Shopify sales. Let us manage your bookkeeping so your records are always clean, current, and filing and compliance-ready.

Sole trader tax return

Whether you freelance full-time or run a side hustle, we handle your Self-Assessment so you can avoid errors, penalties, or last-minute panic

Year end accounts

We prepare and submit your statutory accounts to Companies House, giving you peace of mind that everything’s been done by the book and on time

A Simple Process

No noise, just numbers done right

We believe accounting doesn’t have to be complicated to be correct. At Duna Accountancy & Tax, we keep things simple, fast, and focused, so you can move on from tax and back to doing what you love.

Get Started Today

Say Hello

Chat to us or request a quote to confirm fit

Sign up

E-sign our engagement letter and approve our fees

Share your records

Upload your records or give us access to your books

Prep & Queries

We review your books, ask a few questions and prepare your accounts & tax returns.

Review & Sign

You review & E-sign your reports, we file them! there is a 30 minites meeting available if you need it. That's it!

DIY Opportunity Cost

60%

Save up to 60% of your time by switching to a professional accounting team.

120 hours

Save up to 120 hours per year, that's 2-3 full weekends with your family and friends.

£1500

Your time doing your own accounts blindly costs you at least £1500 per annum, your accountant costs less

100+

we are trusted by 100+ clients since launch, join them now to gain your peace of mind and experience something different!

Pricing

Our simple Pricing

We never bundle extras you didn't ask for.
If you need help with add on services
just ask us.
‍

Solo

£36

/month

Save £108

Sole Trader accounts

Self Assessment Return

24 hr email support

Ltd Essentials

60

/month

Save £180

Year End accounts

Corporate Tax Return

Salary VS Dividend Tax Planning

Self Assessment (*1)

24 hr email support

Ltd Pro

£100

/month

Save £240

Year end accounts

Corporate Tax Return- CT600

Salary Vs Dividend Tax Planning

Self Assessment Tax Return (*2)

Bookkeeping

24 hr email support

Starter Plan

£45

/month

Sole Traders Accounts

Self Assessment Return

36 hr Email Support

Ltd -Essentials

£75

/month

Year-End Accounts

Corporate Tax Return CT600

Salary v Dividend Planning

Self Assessment (*1)

48 hr Email Support

Ltd -Pro

£120

/month

Year-End Accounts

Corporate Tax Return CT600

Salary v Dividend Planning

Self Assessment (*2)

24 hr Email Support

Bookkeeping*

Blog

Insights, tips, & tax strategies

We keep things simple but questions still come up. We have covered a few below, let us now if you are more questions..

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Key Tax allowances for UK Small businesses

November 18, 2025

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What taxes does my small business actually have to pay in the UK

August 28, 2025

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Do dividends reduce Corporation Tax?

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Why small businesses need an accountant

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5 Ways business owners can improve their financial management habits

October 15, 2025

Buy your peace of mind

Are you Ready to stop worrying about filings and deadlines?

Check if this service is right for you