Do you handle multi-state sales tax for online sellers?

Yes. We do nexus reviews, register in new states as you cross thresholds, set up collection in your billing system (Stripe Tax, Avalara, TaxJar, Anrok), and file ongoing returns in every state where you have nexus.

Can you reconcile Shopify + Amazon + Stripe?

Yes. We use A2X, Link My Books, or direct integrations to reconcile each channel's gross sales, fees, and net deposits — and book them correctly in QuickBooks or Xero.

Do you handle inventory and COGS?

Yes. We track inventory at landed cost, set up perpetual or periodic systems based on volume, calculate COGS monthly, and book year-end physical-count adjustments.

What about marketplace facilitator states?

Where Amazon, Etsy, eBay, or Walmart collects on your behalf, we still register and file in those states (often zero-return), track threshold approach, and ensure direct sales are taxed correctly.

E-Commerce

Accounting for E-Commerce Businesses

E-commerce accounting is sales tax nexus + inventory + payment processor reconciliation — and most generalist firms get all three wrong. Rubric Financial supports Shopify, Amazon, and direct-to-consumer brands with the operational accounting your business actually needs.

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What We See Most

Common challenges in this category

The accounting and tax issues we run into repeatedly with e-commerce clients.

Multi-state sales tax nexus from economic activity (Wayfair) — registration, collection, and ongoing filings
Marketplace facilitator complexity: who collects (Amazon, Etsy), who files, and where you still owe
Inventory accounting that ties out — landed cost, reserves for obsolescence, and FIFO/weighted-average methodology
Payment processor reconciliation across Stripe, Shopify Payments, PayPal, Amazon Pay, with different fee structures and timing
Returns, chargebacks, and refunds reflected as revenue contras (not as expenses)
Ad spend treatment — capitalize vs. expense, attribution to revenue cohorts

How We Help

Services that matter most for e-commerce

Bookkeeping

Daily payment processor reconciliations, inventory tracking, and clean sales / refund / fee separation by channel.

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Business Tax & CPA

Multi-state sales tax registration and ongoing filings, plus federal and state income tax with inventory accounting (TPR, §263A) handled correctly.

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FP&A

Unit economics, contribution margin by SKU and channel, ad-spend payback analysis, and inventory cash flow forecasting.

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Fractional CFO

Working capital and inventory financing analysis, marketplace economics, exit and acquisition readiness for DTC brands.

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FAQ

Common questions

Do you handle multi-state sales tax for online sellers?: Yes. We do nexus reviews, register in new states as you cross thresholds, set up collection in your billing system (Stripe Tax, Avalara, TaxJar, Anrok), and file ongoing returns in every state where you have nexus.
Can you reconcile Shopify + Amazon + Stripe?: Yes. We use A2X, Link My Books, or direct integrations to reconcile each channel's gross sales, fees, and net deposits — and book them correctly in QuickBooks or Xero.
Do you handle inventory and COGS?: Yes. We track inventory at landed cost, set up perpetual or periodic systems based on volume, calculate COGS monthly, and book year-end physical-count adjustments.
What about marketplace facilitator states?: Where Amazon, Etsy, eBay, or Walmart collects on your behalf, we still register and file in those states (often zero-return), track threshold approach, and ensure direct sales are taxed correctly.

Run a e-commerce business?

Tell us about it. Same business day response from a partner.

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