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Sales Tax Registration

Register for sales tax accounts in any United States jurisdiciton.

Sales Tax Nexus Determination

Find out where you are required to collect sales and use tax in jurisdictions across the nation. 

Sales Tax Return Filing

Affordable sales tax return filing for any business type and size.

Audit Assistance

We can help you through the audit process, keeping your rights intact and potentially reducing the amount of tax, penalty, and interest assessed. 

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Trusted by businesses across MULTIPLE INDUSTRIES and platforms — ShopIfy, Amazon, QuickBooks & more!

Sales Tax Solutions that Start with Just One Click

Create your account, add your company, and we’ll guide you through registration, filing, and compliance — simple, affordable, and online.

CREATE YOUR ACCOUNT
How to Get Started
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How to Get Started

No calls, no pressure. Just fast, professional sales tax solutions — starting today.

Create Your Account

Set up your secure portal login using your email in just a few clicks — no forms, no phone calls.

Add Your Company

Enter your business name – no tax IDs or documents required to begin.

Choose Services

Select exactly what you need: help with registrations, filings, cleanup, multi-state support, or other services.

We Handle the Rest

Our team manages the filings and keeps you compliant — fast, affordable, and online.

No pressure. No sales calls. Just expert support through a secure, easy-to-use portal, email, chat, or video calls.

Ready to Simplify Your Sales Tax?

Start your journey in under 5 minutes — no phone calls, no software to install.

Create Your Account Now!

Popular Seller Platforms

Our Clients Sell On

INVOICING SOFTWARE

Don't see the platform or invoicing system you use?

That's okay! We work with any sales data. Every business has unique needs and a unique system to go with that. No need to change your system just to collect and remit sales tax. We'll work with what you have. 

Our Sales Tax Solutions

All sales tax solutions are offered completely online with flexibility in mind. Simple, fast, and convenient.

 

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Registration

  • Assistance with sales tax registration in one or multiple jurisdictions

  • E-file tax account setup

  • Includes international VAT and Canadian Sales Tax

Get expert help registering quickly so you don’t miss filing deadliness

Filing

  • Periodic return preparation & submission

  • Supports all frequencies
  • Includes any prepayment filing requirement

 

Stay compliant with peace of mind — month after month

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Compliance

  • Nexus determination

  • Delinquent return & amendment filing
  • Audit assistance 
  • Sales tax rate database

Let us handle the surprises so you can stay focused on growth

Client Support

  • Account management

  • Notice handling

  • Free sales tax consulting

  • Free amendment filing
  • Rate research

Attentive service to all your needs is included

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Learn More About Our Services

Simple, Flexible Pricing Designed for Real-World Compliance

Month-to-month pricing based on the number of jurisdictions you file in — with reduced rates per return. No contracts. No surprise fees.

Low Monthly Subscription

You’ll pay a flat monthly fee based on how many states you file in. This keeps your sales tax process organized, supported, and affordable — especially for multi-state sellers.

✔ Portal access
✔ Service tracking
✔ Client support included

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Discounted Per-Return Filing Fees

Filing fees are reduced for all clients on a subscription. You only pay for the returns you file — no inflated rates or hidden charges.

✔ Pay only for what you file
✔ Competitive pricing
✔ Transparent billing

Month-to-Month Flexibility

No annual lock-ins, no prepayment requirements, and no cancellation penalties. Just expert-led compliance on your schedule.

✔ Cancel anytime
✔ No long-term contracts
✔ Scale up or down

Billed Monthly Based on Expected Filings

We bill at the beginning of each month based on the jurisdictions you’re expected to file in. This ensures your returns are prepared on time, with no surprise invoices or back-and-forth.

✔ Clear, upfront billing
✔ Adjusts automatically as needs change
✔ Know what you’ll pay

Don’t file every month?
We offer a $0/month plan for low-frequency filers. You’ll only pay a slightly higher per-return fee — no surprise charges, no obligations.

Learn more about Pricing

Why Businesses Choose SalesTaxSolutions.US for Their Sales Tax Solutions

As your business grows, so does your sales tax complexity. Managing multi-state returns, staying current on rate changes, and responding to notices takes time — and mistakes can cost you. That’s why so many companies trust SalesTaxSolutions.US to handle their compliance with affordable, expert-managed sales tax solutions.

 

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No software to learn

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Secure online portal

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Expert human oversight

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Month-to-month flexibilty

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Responsive support, based in the U.S.

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Transparent, need based pricing

Outsourcing Done Right

We make sales tax compliance simple — you provide access, we handle the rest. Whether you’re filing in one state or twenty, our team ensures everything is accurate, on time, and audit-ready. Clients can even authorize secure remote access, saving time and effort every month.

Save Time, Cut Costs, Stay Compliant

Less time spent on repetitive filing tasks

Fewer errors and penalties

No internal training, turnover gaps, or software learning curves

Easy access to returns, payment vouchers, and support documentation

What Happens After You Create Your Account?

Schedule Your Welcome Call

You’ll be prompted to schedule a short meeting with our onboarding team via Microsoft Teams,

We Review Your Info

During the Welcome Call, we verify your company details and review service needs — such as assistance with new state registrations.

We Set Up Your Services

Once confirmed, we activate your services, configure billing, and prepare you for any upcoming filings or registration requirements.
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Still Have Questions?

If you’re not sure what services you need, or have a more complicated situation — Let’s talk!
Contact US
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Celebrating 20 Years of Trusted Sales Tax Solutions

Celebrating 20 Years of Trusted Sales Tax Solutions

SalesTaxSolutions.US was founded in 2005 by an accountant who saw firsthand how overwhelming sales tax compliance could be for small businesses. His vision: create a firm that delivers expert-led, easy-to-use sales tax solutions without relying on bloated software or long-term contracts.

Now celebrating our 20th anniversary in 2025, we’ve grown from a solo practice into a trusted partner for over 100 businesses across the U.S. Our team still follows the same founding principle: combine deep expertise with a client-friendly portal to make compliance clear, affordable, and efficient.

Founded in 2005 — 20+ years of experience

200+ clients served across the world

Personalized support from a U.S. based team

Learn More About Our Story

Real Numbers Behind Our Sales Tax Solutions

From new business registrations to multi-state filings, here’s a look at what we’ve helped our clients accomplish.

Returns Filed

Companies Served

Cups of Coffees Consumed

Years of Service

Returns Filed

Cups of Coffees

Clients

Years of Service

OUR news

Latest from our Blog

Get caught up on sales tax compliance laws, tax rate changes, IRS updates, return deadlines, and so much more.