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Sales tax compliance is one of the biggest challenges online retailers face, with complex and ever-changing state regulations. Businesses must navigate nexus rules, multi-state tax obligations, audits, and compliance risks, all while focusing on growth. Northern 45 specializes in helping online retailers manage sales tax efficiently, ensuring compliance while minimizing financial and operational burdens.
Sales tax compliance is one of the most common and misunderstood risks in online retail. If you have received a notice, are unsure where you owe tax, or suspect you may be out of compliance, Northern 45 helps you evaluate exposure and develop a clear path forward.
Received a Sales Tax Notice
Need a strategy to reduce or eliminate potential liability.
Nexus Confusion
Unclear where you have tax obligations due to physical presence or economic nexus.
Out-of-Compliance Risk
Exceeded multi-state thresholds without realizing it.
Audit Notices
Facing state inquiries without a clear response strategy.
When a state questions your compliance, clarity matters. Northern 45 helps online retailers understand where they truly owe tax, evaluate potential exposure, and develop practical strategies to minimize liability. From nexus analysis to audit response and long-term compliance planning, we provide experienced guidance grounded in real-world online retail operations.
Strategic Liability Reduction: We evaluate exposure and develop a plan to minimize penalties and negotiate where appropriate.
Nexus & Compliance Roadmap: State-by-state analysis and practical guidance to bring your business into compliance.
Audit & Multi-State Defense: Support responding to audit notices, challenging incorrect findings, and structuring long-term compliance.
We focus exclusively on sales tax issues for e-commerce and online businesses.
Extensive experience in multi-state compliance, audit defense, and tax planning.
No cookie-cutter solutions—each business gets a tailored compliance plan.
We help businesses avoid costly penalties and proactively manage compliance.
