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Ecommerce accountants for
UK online sellers

A dedicated accountant who specialises in ecommerce, from £75/month.

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by 3,800+ reviews on
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Why UK online sellers choose Sleek accounting

Swipe to see all four

A specialist, not a generalist

Your accountant works with online sellers every day, so they already understand marketplaces, payouts and fees.

AI reconciles, an accountant signs off

Thousands of transactions matched automatically, then checked by a qualified accountant before anything is filed.

Cross-border VAT, handled for you

Sell into the EU or import stock and we keep you in the right scheme, OSS or IOSS, registered and filing in the right country.

Know your margins, not just your payouts

We strip out fees, refunds and ad costs to show real profit, so you can see which channels and products actually pay.

Ecommerce accounting plans

Switch to Sleek and ‎‎ save 20%  on annual accounting, with reliable support and full compliance.
Save 10%
Recommended
Starter
Compliance off your plate
£900
/yr*

£75/mo

with monthly
Turnover up to £90,000/yr
SG$650
Save 15%
Recommended
Scale
No quarterly guesswork
£130
£130
/mo*
£1,560/yr
with monthly
Turnover up to £90,000/yr
SG$650
Save 15%
10% OFF
Most Chosen
Recommended
Pro
Built for active trading
£2,160
£200
/mo*
£2,400/yr
with monthly
Turnover up to £200,000/yr
SG$650
Save 15%
15% OFF
Recommended
Enterprise
Advice when decisions matter
£300
£399
/mo*
£4,788/yr
with monthly
Turnover up to £500,000/yr
SG$650
Save 15%
10% OFF
*Prices shown are exclusive of VAT
Show key differences only
Feature
Starter
Scale
Pro
Most Popular
Enterprise
BOOKKEEPING
Bookkeeping Frequency
Annual
Quarterly
Monthly
Monthly
Quarterly Management Accounts
TAX
Year-end accounts
Corporation tax return
Confirmation statement
Self-assessment (1×)
Self-assessment (2×)
VAT
VAT registration
VAT quarterly filing
Support & Advisory
Response SLA
72h
48h
24h
Same-day
Quarterly Advisory Call
Add-ons
Extra self assessment tax return
£275 /fy
Monthly management reports
£100/mo
Xero Subscription
£375 /fy
Payroll
£85/yr*
*per employee, billed at renewal. Mid-year additions: £8 per payslip
Monthly Yearly (Save more)
Accounting Basic
Ideal for entrepreneurs just starting out who need to stay compliant with expert bookkeeping support.

From

£900
£720
Covers all essentials:
20% OFF
Accounting Pro (includes VAT filing & Payroll)
Perfect for businesses focused on growth, requiring monthly bookkeeping, payroll, and tax compliance.

From

£1,248
£960
Full service accounting:
20% OFF
Accounting Pro
(includes VAT filing & Payroll)
From £100/mo*
Bookkeeping
Annual
Monthly
Xero Subscription
Confirmation Statement
Year-end accounts & Tax Return
Dedicated Accountant
Director’s Tax Return
£250/financial year
VAT filing
Payroll & Pension filing 1-5 employees
Multi-currency support
£10/month
£10/month
backdated bookkeeping
£750/fy (up to 100 transactions)
£750/fy (up to 100 transactions)
*For financial years ending in under 3 months, a minimum 3-month purchase of the monthly accounting plan is required.
Discover the difference with expert accounting

What's included: accounting built for online sellers

Multi-channel bookkeeping

Every sale, fee and refund across your channels reconciled into one clean set of books.

VAT, including OSS and IOSS

UK and cross-border VAT registered and filed in the right scheme as you sell into the EU.

Platform fees and payouts

Amazon, Shopify and Stripe fees matched to payouts, so your margins are the real ones.

Year-end accounts & Corporation Tax

Statutory accounts and tax prepared, checked and filed with Companies House and HMRC.

Software integrations

Your channels connected through A2X, Link My Books, Xero and SleekBooks, set up for you.

Seller insights

Management reports that track profit, stock and cash as you grow, built for online sellers.

Looking to know more?

Meet your ecommerce accounting team

How it works

1

Tell us how you sell

You

Share your channels and turnover

Sleek

A fixed price for your setup, not a range

2

We connect your channels

You

Grant access to your stores and tools

Sleek

A2X, Link My Books and Xero set up for you

3

Your books stay reconciled

You

Keep selling

Sleek

Sales, fees and VAT reconciled every month

4

Your accountant stays close

You

Ask whenever you need

Sleek

Deadlines tracked, filings handled, questions answered

Ready to get your books in order?

Helpful guides for online sellers

FAQs on ecommerce accounting

When do I need to register for VAT as an online seller?

You must register once your taxable turnover passes £90,000 in any rolling 12 months, but selling into the EU or holding stock overseas can trigger VAT obligations sooner, sometimes from your first sale. We watch your thresholds across every channel and register you in good time, in the UK and abroad.

How is VAT handled on EU and overseas sales?

It depends on where your stock sits and where your customers are. We set you up on the right scheme, whether that is OSS for EU sales, IOSS for low-value imports or local registrations where they are needed, and then handle the filings so you stay compliant as you grow.

Do you use AI for ecommerce accounting?

Yes. With thousands of transactions a month, software matches sales, fees and refunds across your channels and flags anything unusual. A qualified UK accountant then reviews and signs off the figures before anything is filed, so the volume is handled fast but a real person stays accountable.

Why can't I just use a regular high-street accountant?

A generalist can do your accounts, but marketplace payouts, platform fees, multi-currency sales and cross-border VAT are easy to get wrong without experience of them. An ecommerce specialist knows where the money and the risk actually sit, so your margins and your returns are right.

Which accounting software do you use for ecommerce?

We connect your sales channels and payment tools through A2X and Link My Books into Xero and our own SleekBooks, so your books update automatically and stay Making Tax Digital compliant. We set the integrations up for you as part of onboarding.
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How much does an ecommerce accountant cost?

From £75 a month, as one fixed fee. What you pay depends on your channels, your turnover and your VAT position. You get a fixed quote before you commit, and we don’t bill by the hour or add surprise invoices.

Need more information?

Browse our articles for in-depth guides, expert tips, and the latest updates on UK business essentials.
Carles M,
Sleek Advisor

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