E-Commerce
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Multi-Channel Sellers
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I’m no longer spending multiple hours in a month trying to reconcile large amounts of data for Shopify and wholesale and retail. Having Zamp being able to manage the transactions has been really helpful. We have a lot more time to really dig into our own trends and day-to-day tasks.
Never Worry About Sales Tax Registration Services Again
Skip the compliance nightmare. Zamp’s experts handle your complete sales tax registration in all required states so you can focus on growing your business instead of drowning in paperwork.
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Trusted by Over 600 Leading E-Commerce & SaaS Brands
Why Choose Professional Sales Tax Registration Services
Why Choose Professional Sales Tax Registration Services
You don’t have time to become an expert in sales tax. Between researching nexus thresholds, filling out state-specific forms, and tracking filing frequencies across multiple jurisdictions, DIY registration eats weeks of your time and creates costly mistakes.
Our managed registration service eliminates:
• Weeks of research and paperwork
• Expensive filing errors and penalties
• Missed deadlines and compliance gaps
• Ongoing monitoring of changing requirements
Zamp’s Approach to Sales Tax Registration Services
We combine technology with human expertise. Every registration is reviewed by tax professionals who understand your specific business needs.
What sets us apart:
• Dedicated Tax Experts – Tax professionals with decades of experience handle your registrations
• Industry Expertise – We customize registrations and tax rules for your specific business type and products
• Proactive Monitoring – We alert you to changes affecting your registrations and monitor economic nexus thresholds
• Transparent Pricing Structure – Complete software platform and dedicated expert oversight included, with no hidden fees or surprises
Complete Sales Tax Registration Services Process
Here’s exactly what happens when you work with us. No black box, no mystery timeline—just a clear process that gets you registered correctly without any work on your end.
Step 1: Nexus Assessment
We analyze your business to determine registration requirements:
• Review your sales data across all states
• Identify economic and physical nexus triggers
• Assess marketplace facilitator relationships
• Determine optimal filing frequencies
Step 2: Application Preparation
Our experts prepare state-specific applications:
• Complete all required forms with proper business codes
• Gather and organize the required documentation
• Optimize filing frequency selections
• Prepare for expedited processing, where available
Step 3: Submission and Monitoring
We handle all communication with tax authorities:
• Submit applications through proper channels
• Track processing status across all states
• Handle any questions or requests for additional information
• Coordinate timing for multi-state launches
Step 4: Registration Complete
You receive everything needed for compliance:
• Official sales tax permits and certificates
• Filing calendar with all deadlines
• Ongoing compliance monitoring activation
Complete Sales Tax Registration Services Process
Platforms We Support
We connect with your favorite platforms to simplify sales tax management, taking care of everything from tax calculations to registrations and filing. No more manual updates or worrying about compliance—our integrations do the heavy lifting, leaving you free to focus on growth.
Our Values
We Care
We are an advocate for our customers. We're transparent, and we're here to provide timely and effective support.
We're Accessible
Whether it's through email, phone, or chat, you'll receive a timely response.
Build a World-Class Product
We believe there is a better way to address sales tax, and we're always improving.
Appreciate the Journey
We value relationships. From the internal story we are creating to the one we help our customers live, we are on the journey together.
Book Your Consultation
We'll answer all of your sales tax questions & address any of your concerns to ensure that you never have to worry about sales tax again
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Frequently Asked Questions
We’re here to give you peace of mind. If you can’t find the answer you're looking for, reach out to our team and we’re happy to help.
We’ll audit your existing registrations to ensure they’re set up correctly and handle new state registrations. We actively monitor your economic nexus thresholds and alert you when you need to register in a new state.
The onboarding process typically takes less than two hours. You’ll be assigned a dedicated Onboarding Specialist, who will work with you to ensure your platform integrates seamlessly with our API. They will scope out the work needed to be done and help you get up to speed with existing nexus obligations, registrations, and file corrected returns.
Yes, we identify and handle all required local tax registrations as part of our service, including Colorado SUTS. Many states require separate local registrations that DIY and competitor attempts often miss.
Registration is just the first step. We offer comprehensive managed compliance services to handle all your filing, remittance, and monitoring needs.
Yes. We integrate with Amazon, QuickBooks Online, Shopify, BigCommerce, WooCommerce, and several other platforms. Our team helps handle all technical setups.
Unlike providers with hidden fees and per-filing charges, Zamp delivers transparent, all-inclusive monthly pricing. Your investment covers multi-state compliance, automated calculations, expert filing oversight, state registrations, nexus monitoring, dedicated account management, and audit protection—ensuring complete compliance peace of mind without surprises.