Muddassir A.
US SALES TAX EXPERT | Remote Sellers, Shopify, Avalara, Taxjar
With over 3 years of experience as a Sales Tax Consultant, I help e-commerce businesses, SaaS companies, Shopify stores, Amazon sellers, and startups stay fully compliant with U.S. sales tax regulations. I specialize in simplifying complex tax processes, reducing compliance risks, and providing reliable multi-state sales tax support so businesses can focus on growth with confidence. My Services Include: • Sales tax registration in all U.S. states • EIN registration & reseller certificates • Nexus analysis & multi-state compliance • Monthly, quarterly, and annual sales tax filings • Backdated filings & penalty resolution • Sales tax research & taxability analysis • Permit renewals & account maintenance • Marketplace facilitator compliance • Audit support & notice resolution • Shopify, Amazon, WooCommerce, Stripe & SaaS tax support Sales Tax Automation Expertise: I have hands-on experience with leading sales tax automation platforms, including: • Avalara • TaxJar • TaxCloud I also assist businesses with setting up automation workflows, syncing platforms, troubleshooting filing issues, and ensuring accurate tax collection across multiple states. Whether you are launching a new business, expanding into new states, or need ongoing sales tax management, I provide accurate, detail-oriented, and dependable support tailored to your business needs. Let’s make your sales tax compliance simple and stress-free.
Earnings and projects
Last 6 months ÷ 5.6 months active (since May 2026)
Last 6 months: $1.9k
$476 in the last 6 months
Earnings, last 30 days
Skill rankings: Top 29% in Franchise Tax
Ranked by MRR among everyone on Upwork with the skill.
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