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Accounting for E-Commerce Businesses (Without Sales Tax Filing)

E-commerce businesses have transformed the way companies sell products. A business can now sell to customers across the country—or even internationally—without maintaining a traditional storefront. However, the flexibility and scalability of online commerce also create unique accounting challenges.

Many e-commerce business owners focus primarily on sales. They monitor website revenue, advertising performance, and customer orders, but may not have a clear picture of their actual profitability.

Revenue may be increasing while cash flow remains tight. Inventory may be growing faster than sales. Payment processors may deposit amounts that do not match the sales reported in accounting software. Advertising expenses may be substantial, and inventory purchased months earlier may not be properly reflected in the company’s financial statements.

For e-commerce businesses that are not currently addressing sales tax filing in their accounting process, maintaining accurate financial records is still essential. Even when sales tax is collected and remitted by a marketplace facilitator or another party, the business must properly account for sales, fees, inventory, refunds, payment processing charges, and other financial activity.

At Velin & Associates, Inc., we help business owners organize their financial records, improve accounting accuracy, and understand the financial performance of their companies. This article explains some of the most important accounting issues e-commerce businesses should consider.

Why E-Commerce Accounting Is Different

Traditional businesses often receive payments directly from customers through a relatively limited number of methods.

E-commerce businesses may receive money through:

Each platform may have different fees, payout schedules, refund procedures, and reporting systems.

Example: An online retailer makes $100,000 in customer sales during a month. The business receives only $96,500 in bank deposits because the payment processor deducts processing fees, refunds, chargebacks, and other adjustments. If the business records only the bank deposits as revenue, its financial statements may understate gross sales and fail to properly reflect the related expenses.

Accurate accounting requires more than simply matching deposits to revenue.

Revenue Should Be Reconciled to Actual Sales

One of the most important accounting procedures for an e-commerce company is reconciling sales activity to the amounts actually deposited into the bank.

The accounting records may need to distinguish between:

Example: An online store generates $50,000 in gross sales.

During the same period:

The bank deposit may be $46,000. Recording only the $46,000 deposit as sales does not provide a complete picture of the company’s activity.

A properly organized accounting system records the components separately so management can understand both revenue and expenses.

Inventory Accounting Is One of the Biggest Challenges

Inventory is often one of the largest assets on an e-commerce company’s balance sheet.

Businesses may purchase inventory:

The accounting treatment of inventory purchases is different from immediately expensing every purchase.

Example: An e-commerce business purchases $200,000 of products during the year but sells only $140,000 of those products. The remaining inventory may still have value at year-end. If the company expenses the entire $200,000 immediately without properly accounting for ending inventory, its financial statements may not accurately reflect the company’s actual profit.

Accurate inventory accounting is essential for measuring gross profit.

Cost of Goods Sold Directly Affects Profitability

For product-based businesses, revenue alone does not tell the full story.

A business may generate significant sales but have relatively low profit margins.

Cost of goods sold may include costs related to:

Example: An online retailer generates $1 million in sales. However, the company spends $650,000 on products and related costs. The business’s gross profit is significantly lower than its total sales.

Management should evaluate gross profit margins regularly to determine whether pricing and purchasing strategies are sustainable.

Inventory Shrinkage and Obsolete Products

Inventory does not always retain its original value.

Products may become:

Example: An online retailer purchases a large quantity of a seasonal product. Demand falls unexpectedly, and a significant portion of the inventory remains unsold. Management may need to evaluate whether the inventory should be written down or otherwise adjusted under applicable accounting and tax rules.

Inventory should be reviewed regularly—not simply carried at its original purchase price indefinitely.

Payment Processor Fees Can Add Up Quickly

E-commerce businesses frequently use payment processors that deduct fees before depositing funds.

These fees may include:

Example: A business processes $500,000 in online payments during the year. Even a relatively small percentage of processing fees can represent a significant annual expense.

Properly tracking these fees allows management to understand the true cost of collecting revenue.

Marketplace Fees Should Be Tracked Separately

Many businesses sell through online marketplaces.

These platforms may charge:

Combining all expenses into one general category can make it difficult to understand which costs are affecting profitability.

Example: An e-commerce company sells through multiple online platforms. One platform has higher selling fees but lower advertising costs. Another has lower transaction fees but higher fulfillment costs.

Separate accounting allows management to compare the profitability of each sales channel.

Advertising Expenses Require Careful Analysis

Digital advertising is often one of the largest expenses for an e-commerce company.

Businesses may spend money on:

Example: An online retailer spends $100,000 on digital advertising. Revenue increases significantly, but profit margins decline. Management should evaluate not only total sales but also whether the advertising investment is producing a sustainable return.

Accounting information can help management make better marketing decisions.

Refunds and Returns Must Be Properly Recorded

Returns are common in e-commerce.

A proper accounting system should distinguish between:

Example: A company reports $75,000 in monthly sales. However, customers return $8,000 of merchandise. If the company records only the original sales without properly accounting for refunds and returns, revenue may be overstated.

Accurate reporting is essential for financial analysis and tax preparation.

Cash Flow Can Be Very Different From Profit

E-commerce companies often experience significant differences between accounting profit and available cash.

A business may be profitable but have limited cash because money is tied up in:

Example: An online business experiences rapid growth. Sales increase substantially, but the company must purchase additional inventory months before the products are sold. Although the company reports increasing revenue, cash flow becomes tight.

Management must understand both profitability and cash flow to make sound business decisions.

Accurate Accounts Payable Is Important

E-commerce businesses may work with numerous vendors and suppliers.

Accounts payable may include:

Accurate tracking helps management understand upcoming obligations and avoid cash flow surprises.

International Suppliers Create Additional Complexity

Businesses purchasing inventory internationally may need to account for:

Example: A business purchases inventory from an overseas supplier in a foreign currency. The amount paid in U.S. dollars may differ from the amount initially recorded due to exchange rate changes.

Proper accounting helps ensure that financial records accurately reflect the transaction.

E-Commerce Businesses Need Reliable Financial Statements

Monthly financial statements can provide valuable information about:

Important reports may include:

Example: An online business reviews monthly financial statements and discovers that revenue is increasing but gross profit margins are declining. Management then reviews product pricing, supplier costs, and advertising expenses before the issue becomes more serious.

Financial statements should be used as a management tool—not simply prepared for tax season.

Bookkeeping Systems Must Match the Business Model

An e-commerce business may have multiple sales channels and payment systems.

The accounting system should be designed to properly track:

Example: A company sells products through its own website and several online marketplaces. Each platform provides different financial reports. A proper accounting process consolidates the information into accurate financial statements without duplicating revenue or expenses.

Common Accounting Mistakes E-Commerce Businesses Make

E-commerce companies often experience problems because they:

These mistakes can make it difficult to understand the true financial condition of the business.

Why Accurate Accounting Matters for Business Growth

Strong accounting becomes increasingly important as an e-commerce business grows.

Accurate financial information can help owners:

A business cannot effectively manage what it cannot accurately measure.

Preparing for Financing or Selling the Business

E-commerce businesses may eventually seek:

Potential lenders and buyers typically want reliable financial information.

Poor bookkeeping can reduce confidence in the business and make the company more difficult to evaluate.

Example: An e-commerce company is preparing to sell. However, its accounting records do not clearly reconcile sales, inventory, and payment processor deposits. Before the business can be properly valued, management must spend significant time reconstructing financial records.

Maintaining accurate books from the beginning can make future transactions much easier.

How Velin & Associates, Inc. Can Help

At Velin & Associates, Inc., we help e-commerce businesses organize their financial information and develop accounting systems that support growth.

Our services include:

Our goal is to help business owners understand the financial performance of their companies and make informed decisions based on accurate information.

Final Thoughts

E-commerce accounting requires more than recording deposits and paying bills. Businesses must properly track revenue, refunds, payment processor fees, inventory, cost of goods sold, advertising expenses, and multiple sales channels. Without accurate accounting, owners may not know whether the business is truly profitable or where cash is being consumed.

Even when sales tax filing is handled separately or by a marketplace facilitator, the business still needs accurate financial records for tax reporting, management decisions, financing, and long-term planning. As an e-commerce business grows, professional accounting and financial reporting become increasingly important.

A strong accounting system gives business owners the information they need to understand margins, manage cash flow, plan inventory purchases, and make better strategic decisions.

Need Help With E-Commerce Accounting and Tax Planning?

If your business operates in California or multiple states, proper tax planning is critical. Velin & Associates, Inc. helps e-commerce companies, corporations, and growing businesses organize their accounting, understand their financial performance, and develop strategies to support long-term growth. For more information about our tax planning services, contact us today: our website. 

Velin & Associates, Inc.

8159 Santa Monica Blvd STE 198/200
West Hollywood, CA 90046
📞 323-902-1000
📧 dmitriy@losangelescpa.org

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