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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.
Sales Tax Filing Services That Actually Work
Your Personal Sales Tax Team Is Here to Handle Everything You Need.
Tired of losing sleep over sales tax deadlines, nexus rules, and audit risks? Zamp’s expert-managed filing service eliminates all the stress. Our dedicated tax professionals monitor your obligations and file returns across all states, guaranteed on time, every time.
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Trusted by Over 600 Leading E-Commerce & SaaS Brands
Why Zamp Outperforms DIY and Software-Only Solutions
Why Zamp Outperforms DIY and Software-Only Solutions
Unlike software-only solutions that leave you to handle complex compliance decisions alone, Zamp combines automated tax calculations with dedicated tax experts who monitor your filings, catch errors before they become problems, and provide assistance during audits.
Here’s what makes Zamp different from others:
- • Proactive monitoring: Our tax experts review every filing before submission
- • Multi-state complexity handled: We manage nexus tracking across all 50 states
- • Zero learning curve: You don’t need to become a tax expert—we already are. As a result, customers save an average of 20 hours per month with Zamp
- • One price, no surprises: Both software and expert support are included for one simple, predictable price
Our Managed Filing Process
Forget everything you know about sales tax compliance—we’ve made it completely hands-off. While you’re running your business, our combination of innovative technology and certified tax experts quietly handles every aspect of your multi-state filing obligations.
No more tracking deadlines, calculating complex rates, or wondering if you’ve made costly mistakes. Our process ensures you’ll never have to touch another sales tax return, while staying perfectly compliant across every jurisdiction where you have nexus.
1. Automated Setup and Integration
Our team integrates with your e-commerce platform, ERP, or accounting system. We handle all state registrations and automatically establish your filing frequencies.
2. Continuous Monitoring and Calculations
Innovative software tracks your sales across all channels, while our tax experts monitor for changes in nexus, new registration requirements, and filing obligations. You receive monthly compliance reports showing exactly what we’ve handled.
3. Expert-Reviewed Filings
Before any return is submitted, our certified tax professionals review calculations, verify exemption certificates, and ensure accuracy. We file on time, every time, with detailed confirmations sent to you.
Our Managed Filing 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.
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. Our experts manage complex taxation for digital products, SaaS, food and beverage, apparel, and other industry-specific requirements across all jurisdictions.
Unlike traditional firms that require significant client involvement, we handle everything automatically. You get dedicated tax expertise without the high cost of retaining a specialized tax CPA.
We monitor your sales data continuously and alert you when you’ve reached nexus in new states. After approval, our expert team will get you registered, so we can file your sales tax returns in the new states.
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.