E-commerce Services CPA and Financial for Florida Online Sellers

NexusWorks LLC is a financial advisory firm providing bookkeeping, sales tax compliance, and fractional CFO services for E-commerce sellers across Florida. We help online brands get financial clarity, reduce tax exposure, and make smarter inventory and growth decisions through one integrated team.

Sales tax nexus goes undetected until the CDTFA sends a notice

Platform payouts from Amazon and Shopify do not reconcile to actual profit

COGS is calculated incorrectly, which makes margins look better than they are

We support E-commerce sellers across Florida, Texas, California, New York, Washington, and Tennessee.

The Financial Challenges Florida E-commerce Sellers Face

Selling products online in Florida is financially complex in ways that most generalist accountants are not set up to handle. Sellers routinely run into the same problems:

Amazon FBA sellers often do not know which states they have nexus in because Amazon redistributes inventory across fulfillment centers without notice.

Platform settlements from Amazon, Shopify, and other channels do not match bank deposits, making monthly reconciliation a constant problem.

COGS is frequently miscalculated because landed cost, prep fees, and FBA-related charges are not tracked correctly from the start.

Florida's sales tax system requires sellers to collect and remit separately from what Amazon handles on marketplace sales, and many sellers do not know the difference.

Bookkeeping and tax planning are treated as separate functions, so deductions are missed and quarterly estimates are based on inaccurate numbers.

Many sellers are operating across multiple sales channels without a single consolidated view of their actual profitability.

These are not problems a bookkeeper alone or a tax preparer alone can solve. They require a coordinated financial system.

Florida Sales Tax and
E-commerce Tax Complexity
What Sellers Need to Know

Why Florida E-commerce Sellers Need Specialized Financial Guidance

Floridas tax environment creates real financial risk for e-commerce sellers who are not staying ahead of their obligations. Floridas economic nexus threshold sits at $500,000 in annual sales. Once a seller crosses that number, they are required to register with the CDTFA and collect sales tax on all taxable Florida sales. Sellers who miss this and keep selling without registration accumulate back liabilities with interest and penalties.

Amazon FBA Creates Automatic Physical Nexus in Florida

Sellers who use Fulfillment by Amazon and store inventory in Florida warehouses have physical nexus from the moment inventory arrives, regardless of where their business is incorporated or registered. Amazon collects tax on marketplace sales, but any sales made through a Shopify store or brand website remain entirely the seller's responsibility.

Florida's Base Sales Tax Rate Is 7.25%

Combined rates in some counties and cities reach 10.75%. The rate that applies on each order is based on the customer's delivery location, not the seller's address. For sellers shipping to multiple Florida counties, the applicable rate varies on every transaction.

The CDTFA Runs an Active E-commerce Audit Program

Florida's Department of Tax and Fee Administration has increased its focus on E-commerce businesses in recent years. Sellers operating without registration, collecting at incorrect rates, or failing to file returns on time are the most common audit targets. Lookback periods can extend several years.
This is not a tax article. These are the specific risks your financial team should already be managing on your behalf.

How NexusWorks Helps Florida E-commerce Sellers

Multi-Channel Bookkeeping and Reconciliation

We reconcile all revenue, fees, refunds, and chargebacks from Amazon, Shopify, Etsy, and other platforms to your bank accounts every month. Platform settlements rarely match what sellers expect because of reserve holds, storage fees, and mid-cycle payouts. We clean that up and produce accurate monthly financials that reflect what you actually earned net of platform costs.

Sales Tax Registration and Compliance

We handle sales tax registration with the CDTFA, calculate tax on taxable versus exempt products, and file returns on the correct schedule based on your sales volume. We also track economic nexus thresholds in other states as your revenue grows so you are never caught with an obligation you did not see coming.

COGS Tracking and Inventory Accounting

We set up inventory accounting to fit your fulfillment model, whether that is FBA, third-party logistics, or in-house. We track landed cost including freight, import duties, and prep fees so your margins reflect what products actually cost to get to the customer.

Fractional CFO for E-commerce Brands

Once a brand reaches consistent revenue, financial decisions get more complex. Inventory purchasing, supplier payment terms, advertising return on ad spend, and cash flow timing all need modeling that goes beyond bookkeeping. Our fractional CFO service covers cash flow forecasting, inventory financing analysis, P&L by channel, and reporting for investors or lenders.

Ready to Get Your E-commerce Finances Under Control?

If your brand has grown past the point where your current financial setup can keep up, that gap is costing you money in missed deductions, incorrect filings, and decisions made on inaccurate numbers. Our team reviews your platform reconciliation, Florida tax exposure, and entity structure and tells you exactly what needs to change.

Why Florida E-commerce Sellers
Choose NexusWorks

E-commerce is a core part of our practice, not something we handle on the side. We understand how Amazon settlements work

How Shopify payouts differ from actual revenue, and how sales tax nexus builds across states as a brand scales. Bookkeeping, tax, and CFO services sit inside one team

Which means your financial picture stays consistent across functions and nothing falls between your accountant and your advisor.

We work entirely remotely through QuickBooks, Xero, and secure client portals. Pricing is straightforward with no retainer surprises.

Request An Instant Consultation

Or Call Us Today At +1 310-810-1790

Frequently Asked Questions

Amazon collects and remits sales tax on marketplace sales in Florida, but this only covers orders placed through Amazon. Sales made through your own Shopify store or website are your responsibility. A CPA also helps you manage income tax, COGS, profit reporting, and multi-state compliance, which Amazon does not touch.

When Amazon stores your inventory in a Florida fulfilment centre, that physical presence creates a nexus. You are required to register with the CDTFA and collect sales tax on direct website sales to Florida customers, even if Amazon handles tax on marketplace orders. Many sellers have a Florida nexus and do not know it.

Bookkeeping covers daily transaction recording, platform reconciliation, and expense categorisation. Accounting builds on that to produce financial statements, manage tax strategy, and provide profitability insight. For E-commerce sellers both need to work together because platform fees, refunds, and inventory costs require specific treatment that general bookkeeping misses.

Yes. All services are delivered remotely through QuickBooks, Xero, and secure client portals. We connect to your platforms and bank accounts directly, produce monthly reports, and handle all Florida and multi-state tax filings without needing you to be in the same location.

We calculate COGS by tracking the landed cost of each product including the purchase price, freight, import duties, and prep fees. We match that against units sold each month to produce an accurate gross margin figure. We also account for FBA storage fees, disposal fees, and shrinkage so your monthly P&L reflects the real cost of selling through Amazon.