Sales and use tax services

Sales and Use Tax Services for U.S. Businesses

Simplify multistate sales tax compliance, organize exemption records, and identify areas for review.

Sales and use tax compliance can become complicated when your business sells across state lines, expands into new markets, or manages transactions with different tax rules. State-specific requirements, filing deadlines, exemption certificates, and reporting processes can create significant work for finance teams.

Intellgus provides specialized sales and use tax support for U.S. businesses. We help organizations organize compliance processes, review tax obligations, maintain accurate records, and address multistate sales and use tax challenges.

Whether you operate an e-commerce store, SaaS company, retail business, manufacturing company, or wholesale operation, our services focus on the sales and use tax issues relevant to your business.

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Sales and Use Tax Services for U.S. Businesses

Get clarity on your sales and use tax requirements

Economic nexus is real and important, but it is not a single national rule. State thresholds, measurement periods, taxability, and marketplace-facilitator rules differ. The states covered and the work included should be confirmed in the engagement scope.

State-specific rules

Each state may apply different rules for nexus, taxability, registration, exemptions, and filing frequency. Marketplace facilitator rules may also affect who collects and remits tax on certain marketplace transactions.

Organized compliance

We help businesses establish organized processes for managing ongoing sales tax responsibilities, including records, reconciliations, exemption documentation, and reporting support.

Our sales anduse tax services

Managing sales tax requires accurate transaction records, appropriate tax treatment, and timely reporting. Formal representation before a tax authority should be confirmed based on the qualifications and authorization of the professionals involved.

The exact scope of preparation, electronic filing, and payment services depends on the agreed engagement. Expanding into new states? Get support evaluating potential sales tax obligations before they become difficult to manage.

Sales tax compliance

We help businesses establish organized processes for managing ongoing sales tax responsibilities.

Sales transaction reviewsTaxable and exempt sales analysisSales tax reconciliationReturn preparation supportFiling deadline coordinationSales tax recordkeepingIdentification of reporting discrepancies

Multistate sales tax compliance

Selling in multiple states can create additional compliance requirements. Each state may apply different rules for nexus, taxability, registration, exemptions, and filing frequency.

State-by-state sales activity reviewsEconomic nexus assessment supportPhysical presence considerationsSales tax registration requirement reviewsMultistate filing coordinationIdentification of potential exposure areasCompliance support for business expansion

Economic nexus assessment

Economic nexus laws may require a business to collect and remit sales tax based on economic activity in a state, even without a physical location there. Following South Dakota v. Wayfair, states may impose collection obligations on remote sellers that meet state-specific economic thresholds. Economic nexus rules vary by state. For example, South Dakota's framework used $100,000 in sales or 200 separate transactions, but other states apply different thresholds and measurement periods.

Review sales activity by stateEvaluate applicable state thresholdsIdentify jurisdictions requiring further reviewAssess potential registration obligationsOrganize transaction dataEstablish a process for monitoring sales activity

Use tax compliance

Use tax may apply when a business purchases taxable goods or services without paying the required sales tax. Unreviewed vendor invoices, equipment purchases, supplies, and other business expenses can create potential use tax exposure. We help businesses improve visibility into purchases that may require use tax consideration.

Vendor invoice reviewsPurchase transaction analysisReview of purchases where sales tax was not chargedUse tax calculation and reconciliation supportAccounts payable transaction reviewsDocumentation and reporting supportIdentification of potential compliance gaps

Sales tax return preparation support

Accurate sales tax reporting depends on complete transaction data and consistent reconciliation procedures. The exact scope of preparation, electronic filing, and payment services depends on the agreed engagement.

Sales data organizationReview of taxable and exempt transactionsSales tax payable reconciliationReturn preparation supportComparison of accounting records with reported amountsIdentification of discrepanciesFiling calendar coordination

Sales tax audit support

A state or local tax authority may review your business's sales and use tax records to determine whether transactions were reported correctly. Our goal is to help your business prepare organized records and understand the financial issues identified during the review.

Sales and purchase recordsSales tax return reconciliationsTransaction-level documentationExemption certificate recordsSupporting schedulesResponses to information requestsIdentification of potential discrepancies
Process

Additional sales tax support

Organized exemption records, exposure reviews, and process improvements can make routine reporting and tax-authority inquiries easier to manage.

  1. 01

    Exemption certificate management

    • Resale certificate organization
    • Exemption certificate reviews
    • Customer documentation tracking
    • Certificate expiration monitoring
    • Missing documentation identification
    • Transaction-to-certificate matching
    • Exemption recordkeeping procedures
  2. 02

    Sales tax exposure review

    • Historical sales by state
    • Potential nexus obligations
    • Sales tax collection practices
    • Sales tax reporting inconsistencies
    • Use tax on business purchases
    • Exemption documentation gaps
    • Reconciliation differences
  3. 03

    Sales tax process improvement

    • Sales tax workflow reviews
    • Accounting record reconciliation
    • Reporting process improvements
    • Compliance calendar development
    • Documentation standards
    • Finance team coordination
    • Sales tax automation planning
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Sales and use tax services by industry

The tax treatment and compliance arrangement depend on the business model, states involved, and professionals engaged.

E-commerce businesses

E-commerce businesses

Online sellers may have sales tax obligations in states where they meet applicable nexus requirements. Marketplace facilitator rules may also affect who collects and remits tax on certain marketplace transactions. Relevant services: economic nexus reviews, multistate compliance, marketplace transaction analysis, and sales tax reporting support.

SaaS and technology companies

SaaS and technology companies

The taxability of software, subscriptions, digital products, and technology services varies by state and transaction type. Relevant services: digital product taxability reviews, multistate sales tax analysis, and transaction classification support.

Retail and wholesale businesses

Retail and wholesale businesses

Retailers and wholesalers may need to manage taxable sales, resale transactions, exemption certificates, and vendor purchases. Relevant services: resale certificate management, sales tax reconciliation, use tax reviews, and return preparation support.

Manufacturing companies

Manufacturing companies

Manufacturers may purchase equipment, materials, components, and supplies that receive different tax treatment depending on state law and how the items are used. Relevant services: use tax reviews, purchase transaction analysis, exemption documentation, and audit support.

Business-to-business companies

Business-to-business companies

B2B businesses may encounter complex taxability questions involving services, software, bundled transactions, and exempt customer purchases. Relevant services: service taxability reviews, exemption documentation, multistate analysis, and compliance support.

Why choose Intellgus?

financial analysis
1

Focused service approach

Sales and use tax rules vary across jurisdictions, so our support focuses on transaction records, documentation, and jurisdiction-specific issues.

2

Multistate support

We help businesses organize information and evaluate potential compliance requirements as sales expand across state lines.

3

Practical compliance support

We focus on reconciliations, reporting processes, exemption records, and the issues affecting your business.

4

Organized documentation

Accurate supporting records can make routine reporting and tax-authority inquiries easier to manage.

5

Business-specific scoping

Your requirements depend on transaction volume, business model, geographic reach, and internal resources.

6

Accuracy-focused process

We emphasize organized data, consistent reconciliations, and review procedures to identify discrepancies and improve reporting reliability.

Our sales and use tax process

We discuss your products or services, sales channels, purchasing activities, states of operation, and current compliance processes before work begins.

01

Understand your business

We discuss your products or services, sales channels, purchasing activities, states of operation, and current compliance processes.

02

Review available records

We examine relevant sales data, purchase records, tax reports, exemption documentation, and other information within the agreed scope.

03

Identify areas requiring attention

We assess available information to identify potential compliance gaps, reporting inconsistencies, and matters requiring further evaluation.

04

Organize the required work

We help coordinate relevant reviews, reconciliations, documentation, and reporting support.

05

Support ongoing compliance

Where included in the engagement, we help establish recurring review procedures and a more organized approach to managing sales and use tax requirements.

Challenges

Common sales and use tax challenges

Your business may benefit from specialized support if you are experiencing any of the following. Addressing these issues early can help your business make informed decisions about its compliance responsibilities.

01
Common

Growth and nexus

  • Selling into new states without a clear understanding of your obligations
  • Uncertainty about economic nexus thresholds
  • Inconsistent sales tax calculations across sales channels
  • Uncertainty about the taxability of software or digital products
  • Historical transactions that may require additional review
02
Common

Records and reporting

  • Missing or incomplete exemption certificates
  • Vendor purchases without appropriate sales tax
  • Differences between accounting records and tax returns
  • Increasing sales tax reporting workloads
  • Requests for information from state tax authorities

Get specialized sales and use tax support

As your business grows, sales and use tax compliance can become more demanding. A focused approach can help you organize records, identify potential issues, and manage reporting requirements more efficiently. Intellgus helps businesses address sales and use tax challenges through structured reviews, organized documentation, and practical compliance support. Whether you need help evaluating multistate obligations, reviewing use tax exposure, managing exemption certificates, or improving reporting processes, start by discussing your business requirements with our team.

  • Organize records and identify potential issues

  • Evaluate multistate obligations and economic nexus

  • Improve reporting processes and exemption documentation

Consultation

Talk to our sales tax team

Not sure where your business has sales tax obligations? Start with an economic nexus review. Who handles the work, and any professional credentials, are confirmed in the engagement scope.

01
Includes

What the consultation includes

The consultation organizes the first facts needed to scope the work.

  • A review of sales channels
  • States with activity
  • Transaction volume
  • Current filings
  • Potential exposure areas
02
Deliverables

What clients receive

The output depends on the agreed engagement.

  • A clear scope summary
  • Document checklist
  • Findings memo
  • Recommended next steps
03
Trust

How we handle sensitive information

Sales and use tax work involves financial records, which we handle with appropriate professional care.

  • Client types served: e-commerce, SaaS, retail, wholesale, manufacturing, and B2B
  • Confidential handling of transaction and tax records
  • Scope confirmed before work begins
  • No guaranteed audit or assessment outcome

Fees depend on the number of states involved, transaction volume, business complexity, reporting frequency, historical compliance issues, and the services required. Contact Intellgus to discuss your requirements and request a tailored scope of work.

FAQ

Frequently Asked Questions

Sales tax is generally imposed on taxable retail sales and collected by the seller from the customer. Use tax generally applies to taxable purchases when the appropriate sales tax was not paid. Specific rules depend on the applicable state and transaction.

No. Requirements depend on applicable state law and your business activities. Physical presence or economic nexus may create collection obligations in certain states, while specific transactions may qualify for exemptions.

Economic nexus is a connection with a state that may create a sales tax collection obligation based on economic activity, even when a business has no physical location there. Thresholds and rules vary by state.

An online business may need to collect sales tax in states where it has a collection obligation. Relevant factors may include sales activity, physical presence, marketplace arrangements, and the taxability of its products or services.

Sales tax audit support may include organizing records, reconciling transactions, reviewing supporting documentation, and preparing schedules or responses within the agreed scope. Formal representation depends on applicable requirements and the qualifications or authorization of the professional involved.

Fees depend on the number of states involved, transaction volume, business complexity, reporting frequency, historical compliance issues, and the services required. Contact Intellgus to discuss your requirements and request a tailored scope of work.

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