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Bookkeeping Built for Precision, Deadlines & Growth

From SKU-level COGS and inventory to multi-channel reconciliation, Complete Controller keeps your shop’s finances accurate and reliable-so you can focus on high-converting storefronts and repeat customers.

Industry Expertise

We Understand Retail & eCommerce Companies

Running a retail or eCommerce business means balancing inventory turns, orders, promotions, returns, and razor-thin margins. From forecasting and purchase orders to marketplace fees, chargebacks, 3PL invoices, and omni-channel POS, one missed detail can trigger stockouts and erode profit.

At Complete Controller, we help retailers and eCommerce brands streamline bookkeeping, track profitability by SKU, product line, and channel, and stay cash-flow positive-so you can focus on merchandising, fulfillment, and customer experience.

Why Firms Trust Us

SKU, Product & Channel-Level Profitability Tracking

Vendor, 3PL/Carrier & Marketplace Fee Management

Audit-Ready Financials, Sales-Tax Nexus & Compliance Reporting

Cash-Flow Dashboards for Inventory Buys, Seasonality & Promotions

Controller Oversight for Scalable, Sustainable Growth

Inventory, COGS & Landed-Cost Control Across Warehouses and 3PLs

What Our Clients Say

Why Choose Complete Controller?

  •   Trusted by retailers and eCommerce brands nationwide
  •   Works with the tools you already use: QuickBooks, Bill.com, Shopify, Amazon, WooCommerce, Stripe, Square & POS systems
  •   Backed by a dedicated bookkeeping team that understands seasonality, margins, and customer demand
  •   Secure, cloud-based systems that scale with your order volume

Watch: Complete Controller for Retail & eCommerce

Build on a Strong Financial Foundation

FAQs for Construction & Artisan Businesses

We track profitability down to the SKU, product line, and channel - including marketplace fees, shipping costs, and returns - so you know exactly which products and platforms deliver profit and which drain margin.

Yes. We handle multi-state and multi-channel sales-tax tracking, reconcile marketplace filings (like Amazon or Shopify), and provide audit-ready records so you stay compliant with every jurisdiction.

We maintain clean, real-time inventory and cost-of-goods data — integrating purchase orders, landed costs, and 3PL invoices — so your books always reflect true stock value and profitability.

Absolutely. We reconcile every payout, fee, refund, and chargeback so your sales, deposits, and reports match perfectly across platforms and bank accounts.

We forecast inventory spending, vendor payments, and incoming revenue to help you plan promotions, avoid over-ordering, and maintain healthy margins during busy seasons.

We act as your financial backbone. Our team supports your staff by cleaning up books, providing oversight, and generating controller-level reporting so your operations stay efficient and decision-ready.