
E-Commerce & Digital Business
Navigate the complexities of online sales, international trade, and digital inventory with our specialized accounting services.
Sales Tax Nexus Mastery
With the Wayfair ruling, identifying where you owe sales tax has become a nightmare for online sellers. We perform comprehensive nexus studies to keep you compliant across all 50 states.
We automate the calculation and filing process, integrating directly with platforms like Shopify, Amazon FBA, and WooCommerce.

Inventory & COGS Accuracy
Gross margin is the lifeblood of an e-commerce business. Accurate inventory tracking and Cost of Goods Sold (COGS) calculation are essential for knowing your true profitability.
We help you implement inventory management systems that provide real-time data, preventing stockouts and overstocking while ensuring accurate financial reporting.

Why Choose Us?
We deliver value beyond just compliance. Here is how we help you succeed.
Benefit 1
Multi-State Sales Tax
Benefit 2
Amazon FBA Accounting
Benefit 3
Inventory Management
Benefit 4
International VAT/GST
Benefit 5
Platform Integration
Benefit 6
Profit Margin Analysis
Our Process
A simple, transparent journey from start to finish.
Nexus Study
Determine exactly which states you have physical or economic presence in.
Integration
Connect your sales channels (Shopify, Amazon) to accounting software (Xero/QBO).
Automation
Set up automated sales tax collection and remittance tools.
Common Questions
Everything you need to know about our service.
Do I need to collect tax in every state?
How do I handle international sales?
What about inventory storage fees?
Can you help me sell my store?
Ready to Optimize Your Finances?
Join hundreds of satisfied clients who trust Sg fintax advisors LLC with their financial future.