Tax Determination for Excise, Sales & Use Taxes

5/5 stars for client support

Calculate excise, sales, and use taxes in real time, improve accuracy, reduce manual work, and lower compliance risk.

IGEN Tax Determination Results
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  • Decision tree transaction logic
  • Rules & rates maintained by industry experts
  • Flexible architecture
tax determination software
  • Connect to your existing systems
  • Calculate all applicable taxes
  • Tax rules & rates maintained by experts
  • Apply exemptions & discounts
  • Personalize tax calculations

Leverage tax engine software built for complex data

IGEN Tax Determination uses advanced decision-tree logic to calculate the correct indirect tax treatment for each transaction. The tax determination engine evaluates your transaction data, applies relevant tax rules and rates, accounts for allowances and discounts, and returns the tax calculation your team needs to support tax compliance.

Simplify indirect tax calculation

Our indirect tax software supports complex tax scenarios that go beyond simple rate lookup, helping users manage the details that impact taxability, exemptions, fees, and final tax amounts.

  • State excise tax
  • Federal excise tax
  • Inspection fees
  • Collection allowance
  • Environmental taxes & fees
  • Deferrals
  • Prepaid sales taxes
  • Sales & use taxes
  • Tax on tax
  • And more!
IGEN Tax Determination Solution
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Loved by finance & tax teams

“Being able to calculate the taxes on all 40 states we do business in without touching them is huge; it’s sped up our process tremendously.”
Read the case study
Tax Manager
HTP Energy

Digital Acceleration in Tax Compliance

Explore how tax teams are increasing efficiency, improving accuracy, and reducing costs with digital transformation.

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Connect to your existing systems

Back-office Systems

Our platform’s API architecture enables connection to your existing back-office system without significant modifications or custom-built middleware. IGEN gathers transaction data, calculates the indirect tax based on jurisdictional and decision tree logic so you can use the tax determination in your existing reporting workflows.

E-commerce Platforms

Pre-built integrations to common e-commerce for real-time tax calculations. IGEN helps ensure that taxes, fees, exemptions, and discounts are applied before the transaction is completed.

back-office integrations for tax determination software
Calculate excise taxes with decision tree logic

More than a rate service

Decision-Tree Logic

Tax determination should go beyond rate calculation. Our tax engine software uses advanced decision-tree logic to ensure comprehensive transaction compliance.

  • Validate counterparty licensure
  • Confirm legal ability to sell
  • Apply collection allowances & administrative discounts
  • Identify required location information
  • Calculate federal, state, and local taxes
  • And more!

Validate licensure & legal ability to sell

Optional license management

Validate counterparty licensure and confirm legal ability to sell in real-time with optional add-ons.

See license management options
Validate tax licenses
Calculating sales, use, excise taxes across the US

Take control of tax determination

User-Friendly Tools

Quickly and easily personalize your calculations with user-friendly, transparent tools that don’t require IT help. IGEN gives users more control over how their tax determination software applies rules, exemptions, discounts, fees, and contractual adjustments.

Personalize Calculations

Customize calculations for non-tax fees. Add discounts and apply exemptions or other contractual adjustments.

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SOC 1 Type 2 Certified

Our SOC 1 Type 2 certification under all five trust service criteria is a responsibility we take seriously, ensuring that client data is protected and our systems are secure.

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Answers to your Tax determination questions

Every company we serve is unique, and that’s why IGEN’s Tax Determination is too. Ready to think differently about managing tax determination?

Start with the only tax determination platform that’s built around a data engine.

IGEN’s Tax Determination handles rate and rule maintenance automatically. Internal industry experts monitor regulatory changes across all U.S. federal, state, and select local jurisdictions and update the tax engine’s logic.

Tax determination is not a rate lookup. IGEN Tax Determination uses decision-tree logic to evaluate each transaction against a full set of compliance variables before calculation.
The tax engine validates counterparty licensure, confirms legal ability to sell, and identifies required location data. Then it applies the correct federal, state, and local rates, along with collection allowances, deferrals, prepaid sales taxes, and tax-on-tax obligations.

IGEN Tax Determination calculates excise tax and sales and use tax across U.S. federal, state, and select local jurisdictions. The tax engine logic also accounts for collection allowances, discounts, and tax-on-tax obligations.

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Automate Tax Determination

Help your business do tax calculation right, with IGEN. Talk with an expert today.

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