Specialized accounting, tax planning, and compliance services for Los Angeles online sellers, Amazon FBA businesses, and high-growth e-commerce brands. We handle the numbers — so you can focus on scaling.
The Online Seller CPA is a boutique accounting firm built exclusively for the e-commerce industry. Unlike general-purpose accounting firms, our team has deep, hands-on expertise with the platforms, fee structures, and tax obligations that define today’s online marketplace sellers.
Los Angeles is one of the nation’s most active hubs for e-commerce entrepreneurship, DTC brands, and Amazon FBA sellers. Yet it is also one of the most complex jurisdictions in the country from a tax and regulatory standpoint. We bridge that gap — giving Los Angeles online sellers the financial clarity and compliance infrastructure they need to grow with confidence.
Whether you are a solo Amazon seller generating $200K per year or a multi-channel brand processing millions in revenue across Amazon, Shopify, and Walmart, our team provides the same standard of precise, professional, and proactive financial service.
Meet Our Team →Our full suite of accounting, tax, and advisory services is purpose-built for the unique demands of Los Angeles online sellers and Amazon FBA businesses.
Year-round federal and California state tax planning for Los Angeles online sellers. We optimize entity structure, manage quarterly estimated payments, and identify every legal deduction available to e-commerce businesses — from COGS to home office to software subscriptions.
Specialized bookkeeping and financial reporting for Amazon FBA and FBM sellers. We reconcile Amazon settlement reports, track FBA fees and reimbursements, manage inventory valuation, and produce accurate profit-and-loss statements that reflect true seller economics.
Complete management of California sales tax obligations for Los Angeles e-commerce sellers. This includes nexus analysis, CDTFA registration, return preparation and filing, economic nexus monitoring, exemption certificate management, and audit defense if needed.
Clean, accurate, and timely monthly bookkeeping aligned with your sales platforms. We categorize every transaction, reconcile all payment processors, and deliver financial statements that give you a true picture of your business performance across all revenue channels.
If your Los Angeles e-commerce business has nexus in multiple states — as many Amazon FBA sellers do — we manage registration, filing, and compliance across all jurisdictions. We also handle voluntary disclosure agreements (VDA) for sellers with historical exposure.
Beyond compliance, your dedicated CPA acts as a financial partner. We provide cash flow forecasting, pricing analysis, inventory cost optimization, entity structuring advice, and expansion planning — helping Los Angeles e-commerce sellers make smarter decisions at every stage of growth.
Amazon FBA and FBM selling introduces an entirely distinct set of financial, tax, and accounting challenges that general CPA firms are simply not equipped to handle. Settlement reports, FBA fee structures, reimbursement tracking, multi-state nexus from warehouse locations, and complex COGS calculations require a true specialist.
The Online Seller CPA is one of the most experienced Amazon Seller CPA firms serving the Los Angeles market. We have worked with Amazon sellers at every revenue tier — from early-stage FBA sellers building their first private label product to seven-figure brand owners managing hundreds of ASINs across multiple Amazon marketplaces.
Our Amazon seller accounting practice is built around what actually matters for your business: accurate profitability by ASIN, clean books that satisfy investor or lender due diligence, and a tax strategy that keeps more of your Amazon revenue in your pocket.
Talk to an Amazon Seller CPA →We reconcile every bi-weekly Amazon settlement report against actual payouts, fees, refunds, and reimbursements — ensuring your books match your bank account exactly.
Accurate tracking of landed costs, inbound shipping, prep fees, storage fees, and fulfillment costs to calculate true Cost of Goods Sold and per-unit profitability.
Amazon stores inventory in fulfillment centers across the country, creating nexus in multiple states. We track, register, and manage your sales tax obligations in every impacted state.
We systematically track Amazon FBA reimbursements for lost, damaged, or destroyed inventory to ensure you are capturing every dollar owed by Amazon.
Planning to sell your Amazon business? We prepare your financials for buyer due diligence, calculate seller’s discretionary earnings (SDE), and ensure your books are acquisition-ready.
Operating an e-commerce business in Los Angeles means navigating one of the most demanding tax environments in the United States. California imposes a state income tax, a franchise tax on business entities, a complex sales tax system administered by the CDTFA, and — for sellers in Los Angeles — an additional LA County combined sales tax rate that affects all taxable transactions originating in the region.
California’s economic nexus threshold of $500,000 in annual sales is higher than most states, but physical presence — including inventory stored in Amazon FBA fulfillment centers — can trigger nexus obligations at any revenue level. Many Los Angeles sellers discover unexpected sales tax liabilities only after facing a CDTFA audit.
Beyond sales tax, California’s Franchise Tax Board (FTB) levies an annual minimum franchise tax on all California-based entities and a state income tax rate that rises to 13.3% at the top bracket. Proper entity structure, deduction optimization, and retirement planning strategies are essential tools for protecting e-commerce profitability in this environment.
Working with a dedicated e-commerce CPA in Los Angeles means having an advisor who understands each layer of these obligations and helps you remain fully compliant while minimizing unnecessary tax exposure.
Amazon stores your inventory in CA fulfillment centers without notice, creating immediate sales tax nexus. We monitor and manage this proactively.
All CA-registered LLCs and corporations owe an annual minimum franchise tax, with additional income-based taxes as revenue grows.
Many sellers conflate gross Amazon payouts with revenue, overstating income and overpaying taxes. Accurate e-commerce bookkeeping eliminates this common error.
We’ve designed our onboarding process to be fast, efficient, and tailored to your e-commerce business from day one.
Schedule a complimentary call with a senior CPA to discuss your business, platforms, and current financial challenges.
We assess your needs and present a transparent flat-fee proposal covering accounting, tax, and any advisory services required.
We connect your platforms, integrate your accounting software, and clean up any historical bookkeeping issues to establish a solid foundation.
Monthly financial reports, quarterly tax reviews, and proactive advisory throughout the year — so your finances are always in order.
Real results from real online sellers who trusted us with their financial operations.
★★★★★“Before working with The Online Seller CPA, I had no idea my Amazon FBA business had sales tax nexus in eight states. They cleaned up two years of messy books, got me registered where I needed to be, and saved me from what could have been a very costly audit situation.
★★★★★“As a Shopify and Amazon seller based in LA, I needed a CPA who understood both platforms and California’s complex tax rules. The Online Seller CPA delivered — monthly reports, quarterly check-ins, and a tax strategy that meaningfully reduced what I owed last year.
★★★★★“I was preparing to sell my Amazon brand and needed clean, investor-ready financials. The team restructured my books, calculated accurate SDE figures, and provided full documentation that satisfied my buyer’s due diligence process. Exceptional work at a critical time.
Common questions from Los Angeles e-commerce sellers and Amazon FBA businesses considering our CPA services.
Whether you are an Amazon seller, a Shopify brand, or a multi-channel e-commerce business in the Los Angeles area, our team is ready to help you get your finances in order, reduce your tax burden, and scale with confidence.
Prefer to reach out directly? 305-767-7408 · info@theonlinesellercpa.com
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