At Sales Tax Helper, our mission is to empower you to navigate the complexities of sales tax with confidence and ease.
Sales Tax Help, When and How You Need It
Sales Tax Helper makes sales tax compliance easy with solutions tailored to your needs. Whether you prefer DIY tools, guided support, or full-service help, our team of experienced sales tax attorneys, CPAs, and former state auditors is here to assist with everything from registrations and filings to audits, appeals, and full-scale sales tax defense. No matter where you are in the process, we provide the right level of support to help you navigate sales tax with confidence.
Types of Clients We Serve
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"Take Control of your sales tax with easy-to-use DIY tools. Get the guidance you need - without the high cost of full-service support."The DIY Business OwnerMeet David, the Auto Repair Shop Owner (DIY)
Who He Is: David owns a single-location auto repair shop. He sells parts, provides services, and occasionally orders special parts for customers. Sales tax has always been a headache, especially with different tax rates for labor, parts, and out-of-state purchases.
His Pain Points:
- Unsure which parts and services are taxable.
- Wants a simple way to track and report sales tax accurately.
- Doesn't need full-service support—just the right tools.
How Sales Tax Helper Fits:
David can use DIY Tools like our expert-designed resources to determine which parts and services are taxable, helping him stay compliant without the cost of hiring a tax consultant. -
"Stay in control while getting expert help when you need it. Our guided sales tax solutions give you access to professionals for compliance, audits, and appeals—without the cost of full-service management."The Guided Business OwnerMeet Kris, the Multi-Store Gas Station & Convenience Operator: Multi-Location Owner (Guided Support)
Who She Is: Kris owns Two gas stations across Two States. Sales tax rates vary by location, and audits are becoming more frequent. She needs expert guidance to stay compliant but doesn’t want to fully outsource sales tax management.
Her Pain Points:
- Struggles with different tax rates for food, tobacco, and lottery sales.
- Wants to prepare for potential audits before they happen.
- Needs occasional support without committing to full-service tax management.
- Struggles with different tax rates for food, tobacco, and lottery sales in multiple states
How Sales Tax Helper Fits:
With Guided Support, Kris gets expert help navigating multi-state compliance, audit preparation, and tax law changes—without losing control of his operations.
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"Outsource your sales tax headaches to proven experts. Our full-service solutions handle compliance, audits, and dispute resolution—so you can focus on growing your business."The Managed/Enterprise CFOMeet Greg, the CFO of a Multi-State Manufacturing Company
Who He Is: Greg oversees finance and tax compliance for a nationwide manufacturing company that produces and distributes industrial equipment. His company ships products across multiple states and sells to both distributors and direct customers, triggering complex sales tax obligations.
His Pain Points:
- Multi-State Compliance Complexity – Managing tax-exempt vs. taxable sales across jurisdictions.
- Exemption Certificate Management – Struggles with tracking and verifying large volumes of resale and exemption certificates.
- Frequent Audits & Tax Disputes – Facing increased audit risk due to growth, state tax incentives, and cross-border transactions.
How Sales Tax Helper Fits: With Enterprise Solutions, Sales Tax Helper provides End-to-End Compliance Management – Handling multi-state tax filings, registrations, and reporting. Audit Defense & Litigation Support – Proactive protection and expert representation in audits, appeals, and legal disputes.
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"Get expert answers when you need them. Our on-demand consulting service connects you with tax professionals for quick, reliable advice—without long-term commitments."The On-Demand Consultant UserMeet Mark, the Business Owner Who Needs Quick Answers
Who He Is: Mark runs his own business and generally handles sales tax well, but sometimes he encounters specific, one-time issues—like responding to a tax notice, understanding new tax laws, or determining taxability in a new state. He doesn’t need an ongoing service, just expert advice when a challenge arises.
His Pain Points:
- Has a one-time sales tax issue that needs professional insight.
- Doesn’t want to commit to a full-service contract for a quick question.
- Needs on-demand access to trusted tax professionals.
How Sales Tax Helper Fits:
Mark can use On-Demand Consulting to book a half-hour session with a tax attorney, CPA, or former auditor. He gets expert advice without a long-term commitment—paying only for the help he needs.
Services We Offer
Sales Tax Helper offers a comprehensive suite of services to meet the diverse needs of businesses, whether you are a startup or a large enterprise. Our team consists of seasoned tax attorneys, CPAs, and former state auditors, bringing extensive expertise and resources to every case. While we are not a law firm, we offer expert advice and support tailored to your specific needs.
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Voluntary Disclosure Agreement (VDAs)Voluntary Disclosure Agreement (VDAs)
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Nexus StudiesNexus Studies
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Sales Tax ConsultingSales Tax Consulting
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Sales Tax AuditSales Tax Audit
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Sales Tax AppealsSales Tax Appeals
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Sales Tax Litigation SupportSales Tax Litigation Support
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Sales Tax RegistrationSales Tax Registration
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Sales Tax ReturnsSales Tax Returns
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Voluntary Disclosure Agreement (VDAs)Address Past Tax Obligations Proactively
Voluntary Disclosure Agreements can help businesses handle unreported sales tax obligations in a structured and cooperative way. By addressing these issues upfront, businesses may benefit from limited lookback periods as well as reduced penalties and interest, depending on state policies.
What It Provides:
- A pathway to addressing past liabilities.
- Assistance in navigating state disclosure processes.
- Limited Lookback periods to reduce years of unpaid taxes.
- Potential for penalty and interest reduction, subject to state guidelines.
For more complex cases, additional help is available through Guided, Managed or Enterprise support to navigate negotiations and documentation.
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Nexus Studies
Clarify Your Tax Obligations Across States
Understanding where your business owes sales tax is crucial for compliance. A Nexus Study reviews your operations to identify obligations and help you stay informed of your responsibilities.
What It Provides:
- Insights into where your business may have nexus.
- A clearer understanding of state-specific sales tax requirements.
- Support on how to proceed with compliance.
Expert assistance through Guided, Managed or Enterprise support is available to provide a deeper analysis and actionable compliance plans.
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Sales Tax Consulting
Professional advice tailored to your specific sales tax challenges and needs.
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Sales Tax Audit
Professional Support During Sales Tax Audits
Navigating a sales tax audit can be challenging. This service offers support throughout the audit process, working to help you address state inquiries, strategize document presentation to the auditor and organize the necessary information.
What It Provides:
- Assistance in reducing exposure, preparing for and responding to audits.
- Instructions on presenting documentation to state authorities.
- Support in managing communications during the audit process.
Guided, Managed or Enterprise support provides oversight or full representation, including communication and negotiation with tax authorities.
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Sales Tax Appeals
Explore Your Options After an Audit
If an audit results in an unfavorable outcome, an appeal may provide an opportunity to address disputes or errors in the assessment as well as save on unnecessary penalties. This service helps you navigate the appeals process effectively.
What It Provides:
- Support on filing and managing an appeal.
- Strategies on responding using documentation and accounting skills as well as cutting edge legal arguments to reduce liabilities
- Review of audit findings to identify potential discrepancies.
- Support throughout the resolution process.
Additional Guided, Managed or Enterprise support can provide advice or hands-on representation during appeals for more complex cases.
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Sales Tax Litigation Support
Strategic Support for Complex Sales Tax Disputes
When sales tax disputes escalate to litigation, the stakes are higher, and the process is more complex. Our Sales Tax Litigation service equips businesses to navigate legal challenges in administrative, tax court or equivalent with confidence, providing the expertise and resources needed to address these critical situations.
What It Provides:
- Strategic guidance to help you understand and prepare for legal proceedings.
- Expert insights to strengthen your position and develop a clear, effective approach.
Guided, Managed or Enterprise support provides expert assistance or full representation, including communication and negotiation with tax authorities.
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Sales Tax Registration
Simplify Your Entry into New or Existing States
Expanding into new jurisdictions requires proper registration to comply with sales tax laws. This service helps you manage the process to avoid unnecessary complications.
What It Provides:
- Professional management of the registration process.
- Compliance with jurisdiction-specific regulations.
- A streamlined solution for multi-state or complex business registrations.
This is a Managed or Enterprise Solution Only.
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Sales Tax Returns
File Accurately and On Time
Filing sales tax returns across multiple jurisdictions is critical to maintaining compliance. This service ensures accuracy and timeliness while simplifying the filing process for your business.
What It Provides:
- Full-service preparation and submission of sales tax returns.
- Reconciliation of data to ensure accurate filings.
- Proactive management of filing deadlines to avoid penalties.
This is a Managed or Enterprise Solution Only.
Our Founder's Journey
Gerald J. Donnini II, Esq., founded Sales Tax Helper LLC to simplify the complex world of sales tax compliance for businesses. With over a decade of experience as a sales tax attorney, Jerry recognized the frustrations many businesses faced with generic software solutions and outsourced support lacking U.S. sales tax expertise.
Determined to offer a better solution, Jerry envisioned a platform that combines the efficiency of technology with the personalized guidance of experienced U.S. lawyers, CPAs, and sales tax professionals. Sales Tax Helper provides businesses of all sizes with tailored solutions, from self-managed compliance tools to full-service representation for audits, appeals, and litigation.
Today, Sales Tax Helper reflects Jerry’s commitment to empowering businesses with innovative tools and expert support, helping them navigate sales tax challenges confidently while focusing on growth and success.
Tailored Solutions for Every Business
At Sales Tax Helper, we understand that every business has unique needs when it comes to sales tax. That is why we offer three distinct tiers of service, allowing you to choose the level of support that best fits your business:
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DIYPerfect for small businesses and startups that want to take control of sales tax with expert-designed resources.
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GuidedIdeal for growing businesses that occasionally need expert advice and support.
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ManagedDesigned for established businesses that prefer professionals to handle their sales tax needs entirely.
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EnterpriseBuilt for large-scale or multi-state businesses with complex and high-volume needs.
Unlock More Value with Membership
Our membership provides you with expertly designed tools and resources, empowering you to navigate sales tax journey with confidence. With priority access to professional support and regular updates on the latest tax changes to your state and industry, you can focus on growing your business while we provide the insights and assistance you need to stay ahead.
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Annual Membership Stay Ahead of Sales Tax Challenges Year-Round
The Annual Membership offers tools, resources, and ongoing support to help businesses stay informed and prepared for sales tax compliance challenges.
What It Provides:
- Access to expert-developed tools and resources.
- Priority availability for consultations and assistance.
- Regular updates on changing tax laws and compliance strategies.
- Discounts on additional services.
Why Choose Sales Tax Helper?
At Sales Tax Helper, we’re more than just a service provider—we’re your trusted partner in navigating sales tax with ease and precision.
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Proven ExpertiseA team of tax professionals with decades of combined experience.
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Tailored SolutionsFlexible service tiers that grow with your business.
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TransparencyClear pricing with no hidden fees—pay only for what you need.
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Comprehensive Support
From tools to consulting to full-service management, we’ve got you covered.
Reviews
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"Jerry Provided Calming, Clear Guidance"
I can't say enough about Jerry and STH. We were in a bit of a panic re reaching nexus levels and dealing with reseller tax ...
- Mike L. -
"My Entire Experience Was Superior"
My entire experience from intake to resolution with Sales Tax Helper was superior. '11' on a scale of 1-10! Initial meeting ...
- Tim N. -
"Prompt, Courteous & Helpful!"
I sincerely am grateful for the prompt, courteous, and helpful that has been offered me by Sales Tax Helper. My agent, Alex ...
- Carol M. -
"Professional and Very Communicative"
When my business needed guidance with sales and use tax, I reached out to Sales Tax Helper through their website and received ...
- Pierce L. -
"They Are Experts in Their Field"
Jerry & Alex are excellent at what they do. They helped me navigate some very difficult and stressful situations. They’re ...
- Greg M. -
"Excellent Team to Work With!"
The team at Sales Tax Helper was excellent to work with. I had a complex business sales tax challenge that they methodically ...
- Mike M. -
"Always Provide Accurate & Prompt Responses"
Alex and Jerry always provide very accurate and prompt responses to my inquiries regarding the sales tax. They also bring ...
- Lukas P. -
"Jerry is the best!"
Jerry is the best! I made the mistake thinking I could deal with the use tax auditor on my own not realizing that I would be ...
- Gary O.
