Accounting for e-commerce (online store)

E-commerce accounting (B2C and B2B): full support for online store and marketplace

Online sales are one of the most dynamic areas of the economy today. Companies operating in the e-commerce model (both B2C and B2B) face a huge number of transactions, a variety of sales platforms, OSS VAT settlements, and regulatory changes throughout the European Union.

Standard accounting is not always enough. That's why at Aider Polska (MDDP Outsourcing) Polska we create specialized accounting solutions for e-commerce, including international settlements, process automation and integrations with popular sales platforms - such as Shopify, Shoper, WooCommerce, PrestaShop, Allegro or Amazon.

Why is choosing the right accounting firm for e-commerce so important?

VAT settlements OSS/IOSS, WDT, WNT, FBA, import of services, Amazon self-invoicing or ERP integrations - these are the everyday life of e-commerce companies. Choosing an accounting firm that knows these processes and can automate them has a direct impact on business profitability and tax security.

A good accounting firm for e-commerce is not only accounting, but also:

knowledge of sales systems and marketplaces,
ability to report data in real time,
Integration of accounting with e-commerce and ERP tools,
tax support for international settlements,
data security and compliance with RODO.

What should modern accounting for e-commerce include?

A full accounting service for an online store should ensure not only day-to-day billing, but also effective financial management in a digital environment. At Aider Polska (MDDP Outsourcing) we offer, among others:

bookkeeping and VAT registers,
VAT settlements of OSS, IOSS, WDT and WNT,
assistance in VAT registration in other EU countries,
preparation of financial declarations and reports,
integration of sales systems (Amazon, Allegro, BaseLinker, ERP),
automation of accounting processes,
accounting audit and data compliance control,
tax consulting for e-commerce,
RODO-compliant data archiving and protection,
management reporting for owners and CFOs,
scalability of services with online sales growth.

What are the most common accounting challenges of an online store?

E-commerce combines multiple sales channels, currencies, platforms and tax regulations. The most common challenges that we solve together with clients are:

multi-channel online sales and data integration,
tax settlements in different EU countries (VAT OSS),
handling FBA and Amazon self-invoicing,
exchange rate differences and financial reporting,
customer data security (RODO),
scaling of the accounting model with transaction growth.

How to choose an accounting office for an online store?

Before you make a decision, check whether the accounting firm:

has experience in handling e-commerce and VAT OSS,
is familiar with Amazon, Shopify, Allegro, PrestaShop, WooCommerce systems,
offers integration with BaseLinker, ERP or BI,
provides reporting and dashboards,
conducts data security audits,
has credentials in the e-commerce industry.

Data security in e-commerce accounting

E-commerce companies process huge amounts of sales and customer data.
Therefore, it is crucial to:

protection against data leakage (backup, encryption, availability),
compliance with RODO and local EU regulations,
regular IT security audits,
transparency of data processing in accounting processes.

Aider Polska (MDDP Outsourcing) ensures full security of financial information, using internal procedures in accordance with Aider Group standards and the requirements of the Accounting Act and RODO.

Automation and integration in e-commerce accounting

Modern accounting for online stores is not just about numbers, but technology. Thanks to integrations with ERP systems, BaseLinker, Amazon, Shopify and Allegro, it is possible:

automatic retrieval of sales and payment data,
real-time generation of reports,
faster posting of documents,
less risk of human error,
better financial flow planning (cashflow).

Frequently Asked Questions (FAQ)

Learn the answers to the most frequently asked questions related to accounting for e-commerce.

- Yes. If you sell goods to EU countries, accounting must be familiar with OSS and IOSS billing rules to ensure tax compliance.
- Yes. With accounting platforms and e-commerce integrations, all processes - from invoices to reports - can work fully online.
- Definitely yes. Selling under the FBA model requires experience in accounting for invoices automatically generated by Amazon and importing services.