Business Accounting Services for E-Commerce Companies

Accurate COGS, channel-level P&L, and sales tax compliance across Shopify, Amazon, and direct sales — without switching platforms.

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E-Commerce Accounting Challenges: Why Standard Bookkeeping Fails

If any of these sound familiar, generic bookkeeping is costing you visibility and margin:

You sell on Shopify, Amazon, WooCommerce, and in-store, but your books don't tell you which channel actually makes money
Your inventory costing (FIFO, weighted average, per-unit) hasn't been revalued in months, so gross margin numbers are guesswork
Amazon FBA fees, Shopify transaction fees, and payment processing charges get lumped into one expense line instead of tracked by channel
You're not sure which states you've crossed economic nexus thresholds in, and audit exposure is building quietly
Your current bookkeeper takes three weeks to close the month because they don't understand marketplace settlement reports

Ticking two or more? You need e-commerce-specific accounting, not a generalist bookkeeper.

How KnowVisory Handles E-Commerce Accounting Differently

We build your books around how you actually sell — by channel, by SKU, by state.

Channel-Level P&L by Marketplace

We separate Amazon, Shopify, and direct sales into distinct cost centers, so you see which channel is actually profitable instead of one blended number that hides the losers.

Automated COGS and Inventory Costing

We integrate with your inventory system to track units sold, apply your chosen costing method — FIFO, weighted average, or per-unit — and reconcile valuations every month, not once a year.

Marketplace Fee Allocation

FBA fees, subscription charges, payment processing costs, and refunds get captured and assigned to the correct channel and P&L line, so nothing gets buried in a generic 'fees' account.

Sales Tax Nexus Tracking

We monitor revenue by state in real time and flag the moment you cross an economic nexus threshold, so you register and file before it becomes an audit finding.

Multi-Platform Bank Reconciliation

Stripe, PayPal, Shopify Payments, and Amazon Seller Central settlements get matched into one general ledger account — no manual spreadsheet reconciliation at month-end.

Our Accounting Services for E-Commerce & Retail

Outsourced bookkeeping, AP, and AR built around multi-channel selling — plus the specialized support your books need behind the scenes.

Full-Service Outsourced Bookkeeping

Daily transaction entry, bank and credit card reconciliation, AP/AR processing, and GL maintenance tailored to multi-channel sellers. We code marketplace fees to the right cost center and reconcile inventory movements monthly.

Accounts Payable Outsourcing

Supplier invoice processing, payment scheduling, and reconciliation for wholesale purchases, shipping carriers, and platform subscriptions. We flag duplicate invoices and manage vendor communications so cash flow stays predictable.

See AP outsourcing for e-commerce

Accounts Receivable Management

For B2B e-commerce — wholesale and dropshipping — we manage customer invoicing, payment collection, credit memo issuance, and DSO tracking to accelerate cash in.

Cash Flow Management & Forecasting

Real-time visibility into daily sales, pending payouts, upcoming supplier payments, and seasonal trends, so you can plan inventory purchases and working capital without surprises.

Explore cash flow management

Sales Tax Compliance & Reporting

Monthly reconciliation of taxable sales by state, accrual to the general ledger, and preparation of sales tax returns to meet filing deadlines and avoid penalties.

Inventory Costing and Multi-Entity Accounting

Monthly COGS calculations using your chosen method, inventory reserve analysis, and obsolescence write-off recommendations. If you run both wholesale and DTC channels or a parent-plus-subsidiary structure, we also handle consolidated reporting and inter-company eliminations.

Learn about multi-entity accounting

Why E-Commerce Businesses Choose KnowVisory

Marketplace Expertise

15+ years in technology and e-commerce accounting. Our team speaks Amazon, Shopify, and WooCommerce natively — no ramp-up time explaining how settlement reports work.

Real-Time Visibility

A dashboard showing daily sales by channel, weekly cash position, monthly P&L by marketplace, and sales tax accrual. You are not waiting until the 20th of next month to know how last month went.

Automation Plus Human Review

AI-powered transaction categorization handles volume and speed. Experienced accountants verify channel coding and flag anomalies — an unusually high return rate, a fee spike, a margin that suddenly moved.

Integrations You Already Use

Direct sync with Shopify, WooCommerce, Amazon Seller Central, QuickBooks, Xero, and NetSuite. No re-keying data, no manual CSV exports, no switching your stack.

Not sure where to start?

Tell us what you are trying to solve and we will come back with a scoped next step — no obligation.

How We Work: Two Engagement Models

Model	How It Works	Best For	Pricing
Fully Managed Model	We own the e-commerce accounting function end-to-end. You submit bank feeds and invoices; we deliver reconciled books, channel P&L, and tax compliance every month.	Founders and finance leaders who want the function handled without hiring	$7.5–$20/hour depending on transaction volume and complexity
Staff Augmentation	A dedicated offshore accountant embeds in your finance team, reports to you, and follows your existing processes and tools.	Companies that want oversight, custom workflows, or a named team member	$7.5–$20/hour depending on role and seniority

Common E-Commerce Accounting Questions

How do e-commerce businesses calculate COGS with multiple sales channels?

You track units sold and landed cost per SKU regardless of which channel the sale came through, then apply a consistent costing method — FIFO, weighted average, or per-unit — across all channels. The channel only changes how revenue and fees are recorded, not the underlying inventory cost. KnowVisory integrates with your inventory system to automate this and revalue COGS monthly instead of at year-end.

What is sales tax nexus and when do I need to register in new states?

Economic nexus means a state requires you to collect and remit sales tax once your sales into that state cross a revenue or transaction threshold, even without a physical presence there. Thresholds vary by state, commonly around $100,000 in sales or 200 transactions annually. KnowVisory tracks your revenue by state in real time and flags when you're approaching a threshold, so you can register before it becomes a liability.

How do I track profitability by marketplace (Amazon vs. Shopify)?

You need separate cost centers for each channel that capture not just sales but the fees specific to that channel — Amazon referral and FBA fees, Shopify transaction and app fees, payment processing costs. KnowVisory builds channel-level P&Ls so you can see net margin by marketplace, not just top-line revenue.

Can outsourced accounting integrate with my inventory management system?

Yes. KnowVisory integrates with QuickBooks, Xero, NetSuite, SAP, and Zoho Books, and most inventory platforms export data via CSV or API that we map to your general ledger. If you're on a custom or proprietary system, we assess integration feasibility during a free consultation before any engagement starts.

What does outsourced bookkeeping for e-commerce cost?

Pricing starts from $7.5 per hour, with industry-specific rates ranging from $7.5 to $20 per hour depending on transaction volume, number of sales channels, and complexity of inventory costing. Most e-commerce clients land in this range whether they choose the Fully Managed Model or Staff Augmentation.

How do marketplace fees affect my tax return?

Marketplace fees — FBA fees, referral fees, payment processing charges — are deductible business expenses, but only if they're tracked accurately and separated from cost of goods sold. Lumping fees into COGS understates gross margin and can misstate your taxable income. KnowVisory allocates fees to the correct P&L line each month so your books are audit-ready when tax season arrives.

Why Knowvisory Global

Case study: Streamlining Accounts Payable for a New Jersey Off-Road Automotive Specialist
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Case study: Streamlining End-to-End Bookkeeping and Financial Reporting for a Healthcare Management Company
Client testimonial from Denise, a GA startup founder, praising bookkeeping/accounting accuracy
Client testimonial praising fixed asset management and maintenance scheduling service

Get Your Free E-Commerce Accounting Assessment

Schedule a free 20-minute call with one of our e-commerce accountants. We'll review your current process, identify gaps in COGS tracking and channel visibility, and recommend a tailored plan — no obligation.