eBay · Amazon · Etsy · Shopify · TikTok Shop
Online Seller Accountants

Accountant for Online Sellers

Taxwise Accountancy provides specialist accounting support for online sellers across the UK. Whether you sell through eBay, Amazon, Etsy, Shopify or TikTok Shop, our accountants help you manage bookkeeping, tax returns, VAT, profit tracking and business structure — so you can stay compliant and understand your numbers clearly.

If you run an online selling business, we explain what an accountant for online sellers does, what taxes may apply and how to choose the right support for your business.

5-star rated
|
UK qualified
Accountant for online sellers helping eBay Amazon Etsy Shopify and TikTok Shop businesses with tax and bookkeeping

500+

Online sellers served

"Saved me so much stress"

— Amazon seller, London

What Does an Accountant for Online Sellers Do?

An accountant for online sellers helps marketplace and e-commerce businesses manage their accounts, tax and financial records properly. Online sellers often have income from multiple platforms, payment processors and advertising channels — making bookkeeping more involved than a standard small business.

Sales tracking across multiple platforms
Bookkeeping & record keeping
Allowable expenses & deductions
Stock & inventory records
VAT registration & returns
Self Assessment tax returns
Limited company accounts & Corporation Tax
Business structure & tax planning advice

Why Online Sellers Need Specialist Accounting Support

Online selling businesses often look simple at first, but the tax and bookkeeping can become complex quickly. A general accountant may understand tax, but an accountant for online sellers should also understand how e-commerce income flows through different platforms.

Multiple Sales Platforms

Income spread across eBay, Amazon, Etsy, Shopify and TikTok Shop

Payment Processors

PayPal, Stripe and marketplace payout reports

Platform Fees

Commission, listing and advertising fees across platforms

Refunds & Returns

Tracking refunds and return costs across channels

Stock Purchases

Inventory costs, overseas suppliers and customs charges

VAT Rules

Registration thresholds, marketplace VAT and international sales

Home Office Costs

Utilities, internet and business use of home expenses

Courier & Postage Costs

Royal Mail, Evri, DPD and international shipping expenses

Advertising Spend

Google Ads, Meta Ads, TikTok Ads and sponsored listings

Who We Help

Specialist Online Seller Accountants

Taxwise Accountancy supports a wide range of online sellers across the UK. From marketplace traders and side hustle sellers to established e-commerce businesses, our accountants provide tailored support for every stage of your online selling journey.

Online Seller Accountant Services

From bookkeeping and tax returns to VAT advice and business structure planning, our accountants provide complete support for online sellers at every stage.

Bookkeeping for Online Sellers

Good bookkeeping is essential for online sellers. We help track sales income, marketplace fees, payment processor fees, postage and packaging costs, stock purchases, refunds, returns and advertising spend. Clean records make tax returns easier and can help reduce accountancy fees.

Bookkeeping for eBay businesses

Tax Returns for Online Sellers

If you sell online as a sole trader, you may need to file a Self Assessment tax return. This applies where your online selling activity is a business rather than selling personal items occasionally. Our accountants ensure your returns are accurate and filed on time.

Online Self Assessment tax return services

Limited Company Accounting for Online Sellers

Some online sellers operate through limited companies, especially as profits grow. A limited company may provide separate legal status, more structured finances, Corporation Tax planning and salary and dividend planning — but also comes with more compliance responsibilities.

Limited company accountants

VAT Advice for Online Sellers

VAT can become important as your online selling business grows. Online sellers may need to consider UK VAT registration, VAT threshold monitoring, marketplace VAT rules, international sales, imports and exports and Making Tax Digital requirements.

VAT return online services

Business Structure Advice for Online Sellers

Many online sellers start as a side hustle or sole trader. As the business grows, it may be worth reviewing whether to continue as self-employed or operate through a limited company. The right choice depends on profit levels, risk, tax planning and long-term goals. Our accountants help you evaluate the options clearly.

Tax-efficient business structure for eBay sellers

Common Expenses Online Sellers Can Claim

Online sellers may be able to claim a range of business expenses. The rules depend on whether costs are wholly and exclusively for business purposes.

Expense Type Examples
Platform fees eBay, Amazon, Etsy, Shopify fees
Payment fees PayPal, Stripe, card processing
Stock costs Products purchased for resale
Packaging Boxes, envelopes, labels
Postage Royal Mail, Evri, DPD, couriers
Advertising Google Ads, Meta Ads, TikTok Ads
Software Accounting tools, inventory apps
Home office Business use of home costs
Professional fees Accountant and bookkeeping fees
Read: Allowable expenses for eBay businesses

Affordable Pricing for Online Sellers

Whether you trade as a sole trader or through a limited company, we offer transparent fixed-fee pricing designed for online selling businesses.

Sole Trader

For self-employed online sellers

£20 /month
  • Self Assessment tax return
  • Bookkeeping support
  • Expense tracking & advice
  • Unlimited accountant support
View sole trader pricing

Limited Company

For incorporated online sellers

£40 /month
  • Annual accounts & Corporation Tax
  • Director's Self Assessment
  • Bookkeeping & VAT returns
  • Dedicated account manager
View limited company pricing

Do Online Sellers Need to Register With HMRC?

You may need to register with HMRC if your online selling activity is treated as trading. Occasional selling of personal items is different from running an online selling business.

This is more likely where you:

  • Buy items specifically to resell
  • Sell regularly for profit
  • Run a shop or store
  • Advertise products
  • Hold stock and treat the activity as a business
Read: eBay tax rules explained

Sole Trader or Limited Company for Online Sellers?

Online sellers often ask whether they should operate as a sole trader or limited company. The right structure depends on your profits, risk, future plans and personal tax position.

Sole Trader Limited Company
Easier to set up More formal structure
Self Assessment tax return Corporation Tax and accounts
Less administration More compliance
Personal responsibility Separate legal entity
Often suitable when starting Often considered as profits grow
Read: Limited company or sole trader?
Why Choose Us
Accountant for online sellers reviewing financial data and preparing tax returns

ACCA · AAT · IFA

Qualified

Why Choose Taxwise Accountancy?

Taxwise Accountancy works with small businesses, side hustles and online sellers across the UK. We understand the challenges online sellers face — from messy platform reports and multiple income streams to VAT questions and business structure decisions.

Messy platform report organisation
Multiple income stream tracking
Marketplace fee reconciliation
VAT registration & compliance
HMRC record keeping guidance
Business structure decisions

Our accountants provide clear, practical advice so you can understand your tax position and focus on growing your online business.

FAQ

Frequently Asked Questions — Accountant for Online Sellers

Do online sellers need an accountant?

Not always, but many online sellers use an accountant to help with bookkeeping, tax returns, VAT, allowable expenses and business structure advice. As your online business grows, an accountant for online sellers can save you time and help you avoid costly HMRC mistakes.

Do eBay sellers need to pay tax?

If you sell regularly for profit, your eBay activity may be treated as trading and may need to be reported to HMRC. HMRC uses data from platforms like eBay to identify sellers who may need to file returns. Read our eBay tax rules guide for more detail.

Do Amazon sellers need VAT advice?

Many Amazon sellers need VAT advice as sales grow, especially where they use FBA, import stock or sell internationally. An accountant can help monitor the VAT threshold and advise when registration becomes necessary.

Can I claim platform fees as an expense?

In many cases, platform fees such as eBay, Amazon, Etsy and Shopify fees may be allowable business expenses. This includes listing fees, commission charges and subscription costs. See our allowable expenses guide.

Should an online seller be a sole trader or limited company?

It depends on profit levels, risk, tax planning and long-term goals. Many sellers start as sole traders and later consider incorporation as profits grow. Read our comparison at limited company or sole trader.

Can Taxwise help with online seller bookkeeping?

Yes. Taxwise Accountancy helps online sellers organise records, prepare tax returns, manage accounts and stay compliant with HMRC. Our accountants understand the specific challenges of marketplace and e-commerce businesses. Book a free consultation to discuss your needs.

Need an Accountant for Online Sellers?

If you sell through eBay, Amazon, Etsy, Shopify, TikTok Shop or another online platform, Taxwise Accountancy can help you manage your accounts properly. We support online sellers with bookkeeping, Self Assessment tax returns, limited company accounts, VAT returns, business structure advice, HMRC compliance and tax planning.