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.

More Expertise. More Support. Better Results.

Real-Time

Rooftop-accurate

Order subtotal

$12,480.00

Ship-to jurisdiction

Cook County, IL

Product taxability

Manufacturing equip. — exempt

Exemption certificate

Validated · AkuCert

Combined rate

10.25%

Calculated tax
$0.00
Exemption
validated

2026 SaaS Awards Finalist
Industry Recognition

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.

Rooftop-accurate using the exact transaction address

Auto-updated rates and rules as regulations change

Embedded in your ERP, ecommerce, and billing flows

Rate update feed

Live

Tennessee — sales tax holiday rule activated
Cook County, IL — combined rate verified 10.25%
Texas — manufacturing exemption rule updated

Coverage

50 States

13,000+ jurisdictions



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.

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Transaction

Order created in your ERP, ecommerce, or billing system.

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Taxability Logic

Configurable rules apply by product, jurisdiction, and transaction type.

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Exemption Validation

Certificates checked through AkuCert for valid exemptions.

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Accurate Calculation

Rooftop-accurate rate applied across 13,000+ jurisdictions plus Canada.

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Reporting & Filing

Clean transaction data ready for returns and audit.

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North American coverage

Accurate sales tax calculation across 13,000+ US jurisdictions, plus Canadian support.

⚙️

Configurable taxability

Product taxability handling that fits your operation.

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Exemption workflows

Certificate validation built into every transaction.

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Centralized visibility

One source of truth for transactions across systems.

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Reporting support

Reliable data for return prep and reconciliation.

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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 →

When something is unclear, you get a real answer from someone who understands sales tax, not a routed support ticket.

Where Clarus tax pros can help

Taxability questions, jurisdiction requirements, exemption handling, and operational challenges, answered by people who do this work every day.

Returns

Preparation & filing

Audit

Readiness support

AkuCert icon

AkuCert

Exemptions


Synced

AkuCalc icon

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.

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Modern automation

Sales tax software designed for real operational use, not just feature checklists.

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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.

More Expertise. More Support. Better Results.

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.

AkuCalc icon

SALES TAX CALCULATION

AkuCalc

Calculate accurate sales tax across 13,000+ US jurisdictions and Canadian provinces and territories. Connect AkuCalc with AkuCert to automatically apply exemptions.

AkuCert icon

EXEMPTION CERTIFICATES

AkuCert

Collect and manage exemption certificates with workflows built for finance and tax teams. Connect AkuCert with AkuCalc to automatically apply exemptions.

AkuLicense icon

BUSINESS LICENSING

AkuLicense

Track, renew, and manage business licenses across jurisdictions in one connected system. Stay ahead of renewals and maintain visibility in every state where you operate.
MANAGED RETURNS

Returns

Manage sales tax filings with support from a dedicated tax professional. Stay ahead of deadlines, reduce filing risk, and avoid the monthly scramble.