Sales tax confidence,built for growing businesses.

Practical multistate sales & use tax help for online sellers, SaaS, and retailers — nexus, taxability, registration, audits, and disclosures — delivered in plain language with audit‑ready support.

Book a consultExplore services
14+
Years in practice
45+
States covered
3–10×
Avg. reverse sales/use tax refund ROI
What we deliver
Audit-ready documentation
Clear memos, citations, and state-by-state conclusions that stand up to scrutiny.
Post‑Wayfair, multi‑state expertise
Nexus, marketplace rules, local jurisdictions, and thresholds across the U.S.
Engine‑agnostic guidance
Practical taxability mapping and exemption logic, whatever provider you use.

Services

Pick the lane you need now; add on as you grow. Every engagement includes documentation you can hand to auditors and future staff.

Nexus & Exposure Study
Economic + physical nexus by state with thresholds, dates, and remediation plan.
Registration & Onboarding
State registrations, marketplace settings, and filing calendars set up correctly.
Product Taxability Matrix
Taxability calls for your catalog across nexus states with notes and citations.
Audit Support & Sampling
Prepare evidence, manage requests, sampling strategies, and negotiation support.
Voluntary Disclosures (VDAs)
Quantify historical exposure and guide VDA/amnesty to reduce penalties and lookback.
Sales Tax Systems & Controls
Provider‑neutral rules, exemption certificate process, and monthly close checklist.
Get pricing & availability

How we work

  • Intake: simple questionnaire + quick call to set goals and states in scope.
  • Analyze: nexus thresholds, product taxability, and marketplace rules.
  • Plan: registrations, VDAs/amnesty if needed, filing calendar, and responsibilities.
  • Implement: configure provider rules, exemption certificate process, and QA checks.
  • Support: ongoing advisory or audit assistance as your footprint evolves.
Request a consult

We never share your info.

Who we serve

Multi‑state, fast‑growing companies that need practical, audit‑ready sales & use tax help.

E‑commerce & Marketplaces
Software / SaaS
Manufacturing & Wholesale
Professional Services
Multi‑state Retail
VC‑backed Growth Cos.

FAQ

How fast can you deliver a nexus study?
Typical turnarounds are 1–2 weeks depending on states and data readiness. Rush options available.
Do you implement or resell tax engines?
We stay vendor‑neutral. We help you choose, configure rules, and validate results without reselling software.
Can you represent us in front of the state?
We support audits end‑to‑end and coordinate with legal counsel when formal representation is required.

Let’s get your sales tax under control

Tell us a bit about your situation. We’ll propose a right‑sized plan—no bloat, just the work that matters.

hello@salestaxaccountant.com
(555) 555‑0153
Prefer a quick chat? Add a note in the form and we’ll send a booking link.
Request a consult

We never share your info.

About SalesTaxAccountant.com

Founded by an experienced sales tax consultant with 14+ years of practice, SalesTaxAccountant.com helps fast-growing companies simplify multi-state sales tax. We focus on clear, audit-ready deliverables and practical guidance that teams can trust.

Resources & Insights

Practical guides and updates to help you navigate sales & use tax with confidence.

Sales Tax 101 for Online Sellers
A beginner’s guide to understanding nexus, thresholds, and registrations. Read more
5 Common Mistakes in Sales Tax Compliance
Avoid costly errors in multi-state taxability and filings. Read more

Free Guide: Sales Tax Nexus Checklist

Download our practical checklist to see if your business has obligations in other states.

We’ll email you the PDF and occasional updates. Unsubscribe anytime.