Communications Tax Can Be Brutal. CereTax Makes It Boring.

You’ve got voice, data, bundled services, usage charges, regulatory fees, and every jurisdiction doing its own thing. Most tax engines choke on that. CereTax is built specifically for telecom, VoIP, and MVNO billing complexity.

We handle the chaos behind the scenes so you can bill, grow, and scale without tax slowing you down.

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You Handle the Bandwidth. We’ll Handle the Sales Tax.

Always Accurate, Always On

Stay compliant automatically and eliminate hours of manual tax updates.

VoIP to Wireless, Covered

Launch new services faster — without tax errors slowing you down.

Tax What You Bundle

Prevent costly tax mistakes on bundled services automatically.

Support From People Who’ve Actually Done This

Resolve telecom tax issues fast with experts who know your industry.

Built for Comms Complexity

From usage-based billing to multi-jurisdiction tax maps, CereTax brings order to the most chaotic tax environments.

Legacy Systems Don’t Know Comms. We Do.

  • Calculate taxes down to the line level
  • Auto-apply regulatory fees and exemptions

Fits Into Your Stack, Not the Other Way Around.

  • Connects with Rev.io, OneBill, and other telecom billing platforms
  • Syncs with ERPs and CRMs + open APIs for custom workflows

Real Experts. On Speed Dial.

  • Deep telecom tax experience
  • Proactive support when rules, rates, or geographies shift

How Does CereTax Handle Communications Tax at Scale?

Every line on a communications invoice can carry a different mix of sales tax, communications taxes, and regulatory fees. CereTax classifies each line, sources it to the service address, and returns the full set of charges to your billing platform on every invoice.

Bundle with confidence

How Can a Telecommunications Company Automate Tax Across Thousands of Service Types?

Map each service to a tax category once; the engine applies every jurisdiction's rules on every invoice

Voice, data, wireless, VoIP, bundles, usage charges, and regulatory fees covered, so a new plan launches right on day one

How Do You Integrate Communications Tax Into a Subscription Billing Platform?

Connectors for Rev.io, OneBill, and other telecom billing platforms, or the API at the moment the invoice is rated

Tax and fees return to the same invoice line before it goes out; your billing team keeps its platform and process

How Do Bundled Services Create Tax Classification Problems?

Internet, voice, and video in one price carry three tax treatments, and a state may tax the whole charge as its taxable part

CereTax taxes each component from the bundle's allocation, so the exempt part stays exempt

Trusted by Communications Providers Who Can’t Afford Errors

Telecom Tax Compliance Resources

Start with our telecom tax rates and rules by state reference and our guide to telecom tax compliance, then the guides below.

Learn how communications providers reduce tax errors and automate compliance.

Frequently Asked Questions

Sales tax is complicated, but getting answers shouldn’t be. Here’s a quick guide to the questions we hear most from businesses like yours.

What is telecom sales tax automation?

Why is sales tax automation important for VoIP providers?

How can MVNOs benefit from automated sales tax software?

Does CereTax work for ISPs and broadband providers?

What Is the Difference Between Communications Tax and Sales Tax for Software Companies?

Can telecom sales tax software integrate with my billing platform?

How does sales tax automation help telecom companies expand into new markets?

How Can a Company Keep Up With Frequent Changes in Communications Tax Regulations?

Stop Letting Telecom Tax Slow Your Billing.

Put telecom tax on autopilot with CereTax.