Complex tax.
Calculated correctly.

Sales tax automation for complex, high-volume transactions. Modern technology, deep tax expertise, and people in your corner.

Companies that run on CereTax

200+ customers. 100+ partners.

Industries

Built for the industries where sales tax is hardest.

Layered jurisdictions, industry levies, and real-time billing at scale. Generic tax tools were not built for this. CereTax was.

CommunicationsCommunications tax can be brutal. CereTax makes it boring.EnergyEnergy markets move fast. Your tax engine should too.SaaSSubscription revenue scales fast. SaaS tax gets complicated faster.ManufacturingManufacturing sales tax that works at the speed of your floor.Ecommerce and retailEcommerce sales tax that won't slow you down.Digital goodsSales tax that keeps up with every click, download, and stream.

Why CereTax

Three reasons customers choose CereTax.

They are the three things customers tell us on every call. We built the platform, the research, and the team around them.

01Speed and accuracy

02Deep tax expertise

03Human support

01 · Speed and accuracy

Confidence in every calculation.

Modern automation for complex, high-volume transactions. We show the work: the jurisdiction, the rule, and the source behind every rate, on every transaction.

CereTax Portal dashboard with invoice, revenue, and tax totals, a revenue map by state, and charts by month, tax type, and product code.

02 · Deep tax expertise

Expertise in every detail.

Research built by tax professionals who know communications, energy, SaaS, and manufacturing. Named researchers and sources you can check.

CereTax SmartResearch cited sources panel listing a determination, statutes, rulings, and guidance, each tagged by type.

03 · Human support

People in your corner.

Experienced people who pick up the phone, understand the question, and help move it forward. Introductions, not ticket queues.

“We've replaced Avalara as our tax solution for retail and wholesale taxing of telecom. Our experience has been stellar in terms of their taxing engine but over-the-top stellar in terms of support, training, onboarding, etc.”

Scott Bell, Senior Product Manager, Carrier Services, Alianza

Products

One platform. Three products.

The calculation engine, exemption certificate management, and tax research share one set of researcher-authored content and one record behind every answer.

01 / Sales tax calculation

Sales tax that won't break under pressure.

CereTax automates sales tax calculation, validation, and compliance for businesses managing complex transactions across many jurisdictions, with transparent logic, audit-ready reporting, and integrations that stay connected.

See the logic behind every calculation, down to the jurisdiction rule.
Apply product and service rules that update as regulations change.
Millions of API calls without latency.

See sales tax calculation →

CereTax Portal line item for a Tennessee sale with its tax breakdown by authority, calculation base, rate, and tax amount.

CereTax Portal certificate list with four customers and a status of Valid, Missing, Pending, or Expired.

02 / SmartExempt

Exemption certificates, under control.

Collect and validate certificates, track renewals, and connect exemptions to your billing workflow. Give your team one place to manage it all.

See missing and expiring certificates.
Connect certificates to customer records.
Keep exemption records ready for review.

See SmartExempt →

03 / SmartResearch

AI tax research. Cited answers.

Ask whether a product or service is taxable in a jurisdiction, under which tax, at what rate, and as of which date. Every answer starts from CereTax researchers' determinations, cites the primary law, and tells you when the sources do not support one.

Answers start from researcher-authored determinations.
Primary law cited, held verbatim.
Know when the sources do not support an answer.

See SmartResearch →

CereTax SmartResearch answer to "Is SaaS taxable in Texas?" with a Taxable verdict, a cited answer, and controlling law.

Integrations

Works inside your existing systems.

From ERP to billing to ecommerce, CereTax connects directly into your architecture. No brittle middleware, no patchwork connectors.

NetSuiteNative SuiteApp connection.Microsoft Dynamics 365 Business CentralEmbedded tax for Business Central.Microsoft Dynamics 365 Finance and OperationsEmbedded tax for Finance and Operations.QuickBooks OnlineSales tax calculation inside QuickBooks Online.SalesforceTax on quotes and orders in Salesforce.StripeTax on Stripe invoices and subscriptions.BigCommerceCheckout tax and exemptions for BigCommerce.APIOne integration for billing, ecommerce, and custom systems.View our full list of integrations →ERP, billing, and ecommerce platforms.

Customer proof

Teams that could not afford to get sales tax wrong.

“When we switched over to CereTax we were able to implement all our customers within 3 months, whereas it took 18 months with Avalara. We run millions of transactions per month without delays or downtime.”

Rob Waybright, VP of Technology, DCA Services

“With CereTax, we've seen a dramatic reduction in time spent on manual processes. The new system has streamlined our operations. Having a knowledgeable support team made all the difference.”

Lina Pinskaya, Controller, Ideal Living

Complex question? Let's work through it.

Talk with a CereTax tax expert about your systems, your jurisdictions, and your timeline.

Get a demo →

Sales tax automation for complex, high-volume transactions.

Complex tax. Calculated correctly.

Complex tax.
Calculated correctly.

Built for the industries where sales tax is hardest.