AKUCALC™ SALES TAX CALCULATION
Accurate sales tax calculation software backed by real tax experts.
AkuCalc combines accurate sales tax calculation, flexible integrations, and embedded tax expertise to help businesses simplify sales tax compliance across systems, workflows, and entities.
Real-Time
Rooftop-accurate
$12,480.00
Cook County, IL
Manufacturing equip. — exempt
Validated · AkuCert
10.25%
$0.00
validated

Recognized as a 2026 SaaS Awards Finalist
AkuCalc was named a finalist across five 2026 SaaS Awards categories, recognizing the software’s approach to accurate sales tax calculation, practical technology, and expert-backed support.
AKUCALC SALES TAX SOFTWARE
Tax compliance, finally working the way your business does.
Managing sales tax has become increasingly difficult for finance and tax teams. Businesses today must navigate changing tax rates, product taxability rules, exemption certificate management, reporting obligations, filing requirements, and multi-jurisdiction compliance across multiple systems and entities.
AkuCalc helps businesses automate accurate sales tax calculation directly within existing ERP, ecommerce, and billing workflows while maintaining greater visibility and control. Calculations are rooftop accurate across all US tax jurisdictions, with rates and rules updated automatically as regulations change.
Built by professionals with real-world sales tax experience, AkuCalc combines modern automation with experienced guidance to help organizations manage sales tax with greater confidence.
HOW AKUCALC WORKS
Designed for real-world sales tax operations
AkuCalc integrates with ERP, ecommerce, and billing platforms to apply accurate sales tax calculation during the transaction process. Real-time rates, jurisdiction logic, configurable taxability rules, and exemption handling reduce manual intervention and spreadsheet dependency.
Transaction
Order created in your ERP, ecommerce, or billing system.
Taxability Logic
Configurable rules apply by product, jurisdiction, and transaction type.
Exemption Validation
Certificates checked through AkuCert for valid exemptions.
Accurate Calculation
Rooftop-accurate rate applied across 13,000+ jurisdictions plus Canada.
Reporting & Filing
Clean transaction data ready for returns and audit.
North American coverage
Accurate sales tax calculation across 13,000+ US jurisdictions, plus Canadian support.
Configurable taxability
Product taxability handling that fits your operation.
Exemption workflows
Certificate validation built into every transaction.
Centralized visibility
One source of truth for transactions across systems.
Reporting support
Reliable data for return prep and reconciliation.
System consistency
Operational alignment across ERPs and billing platforms.
Built For Your Industry
Built for finance and tax teams managing complex sales tax compliance.
Manufacturers
Distributors
Wholesalers
Multi-state operations
Businesses face complex sales tax challenges that generic platforms weren't built to handle: multi-state nexus, layered exemption certificate volume, intricate product taxability, and ERP integrations that need to work the way your operation actually runs.
AkuCalc helps finance and tax teams simplify day-to-day sales tax management without adding unnecessary complexity. Clarus combines practical software with responsive support from experienced sales tax professionals.
Reduce manual tax research and spreadsheets
Improve consistency across ERP and billing systems
Maintain greater visibility into tax workflows
Support audit readiness with centralized data
Manage exemption handling more efficiently
Access knowledgeable support when questions arise
BEYOND CALCULATION
Support beyond calculation.
Accurate sales tax calculation is only one part of managing compliance effectively. AkuCalc helps support broader sales tax reporting and return preparation workflows by improving the accuracy and consistency of transaction data used throughout the compliance process.
For businesses that want help beyond calculation, Clarus tax professionals can manage the recurring filing process, including return preparation, review, submission, and tracking. Learn more about Managed Returns Filing →
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AkuCert
Exemptions
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AkuCalc
Calculation
BETTER TOGETHER
AkuCalc + AkuCert. Better together.
AkuCalc works independently or pairs with AkuCert to give finance and tax teams a connected workflow for sales tax calculation and exemption certificate management.
When a valid certificate is on file in AkuCert, AkuCalc applies the exemption automatically during calculation. No double entry, no missed exemptions, no audit gaps.
Reduce errors across both taxability and exemption workflows
Prevent mismatches between certificates and tax calculations
Lower audit risk with aligned, validated exemption data
Streamline review and reduce manual oversight
Why Clarus Tax Technologies
A more practical approach to sales tax software.
Many businesses feel caught between overly complex enterprise tax platforms and providers that offer limited support once implementation is complete. Clarus Tax Technologies takes a different approach. We combine practical software with experienced tax professionals who understand the operational and compliance challenges finance and tax teams face every day.
Modern automation
Sales tax software designed for real operational use, not just feature checklists.
Responsive support
Real answers from real US-based tax professionals when questions arise.
Accessible expertise
Tax knowledge integrated with the platform, not separated from it.
Personalized experience
A customer relationship built around your operation, not a routed ticket.
Built for real ops
Technology that fits how manufacturers, distributors, and wholesalers actually work.
Tax expertise, not just software
Support from people who understand the tax issue, not just the tool.
See how AkuCalc fits into your stack.
See how AkuCalc delivers rooftop-accurate sales tax calculation directly within your ERP, ecommerce, and billing workflows. Schedule a personalized walkthrough with a Clarus expert.
FAQs
Frequently Asked Questions
Explore the Clarus product lineup.
Clarus Tax Technologies offers practical sales tax software and expert-backed filing support for calculation, exemption certificate management, business license compliance, and managed returns. Practical solutions built for modern sales tax operations.
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AkuCalc
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AkuCert
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