Tax Notice Resolution & Compliance Automation Software

The operating system for tax notice operations

Streamline enterprise tax notice resolution within 30 days with Agentic Data Ingestion, proprietary LLM's, and automated workflows.

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Automate Tax Notice Management

Efficiently track, manage and resolve tax notices.

Reduce time spent on notices 30-50%
Reduce number of notices received
Minimize penalties and interest
Manage by priority vs. chronologically

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Refund Check Tracking

NOTICENINJA helps teams stay in control to prevent errors and avaoid interest penalties.

Tracks refund checks across all entites and agencies
Flags incorrect or duplicate refunds for review
Automate deposits with seamless API's into your accounting software

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Entity Management

NOTICENINJA uses Agentic Data Ingestion to capture key entity data from tax notices, creating a real-time view of parent and subsidiary relationships.

Automatically captures FEINs, EINs, and agency IDs from tax notices
Builds a real-time view of parent and subsidiary relationships

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Authorizations & Power of Attorney Management

Centralize POAs, authorizations, and TPA's, making it easy to generate, track, and maintain compliance across all entities.

Securely stores signed POAs and authorization forms
Tracks status and expiration dates in real time
Automates routing for signatures and filings

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Don’t Settle for “Good Enough” Tax Notice Management

Sticking with the status quo may seem like the easy option – but nothing about fees, accumulating interest, lost licenses, liens and levies is easy.

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AUTOMATED

NOTICENINJA uses proprietary optical character recognition (OCR), machine learning and workflow automation to make the data on scanned notices actionable.

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CENTRALIZED

Your data is housed on a centralized platform, so you never need to hunt down information on a spreadsheet or dig through email threads to track tax compliance progress.

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CUSTOMIZABLE

NOTICENINJA offers open endpoint API, which enables integration with your current systems to automate data flow, reduce manual work, and streamline notice processing.

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Who We Serve

Any organization can use NOTICENINJA to automate tax notice compliance, but is especially useful for:

CORPORATE TAX DEPARTMENTS

PRIVATE EQUITY FIRMS

PEOS

PAYROLL SERVICE PROVIDERS

FINANCIAL INSTITUTIONS

CPA FIRMS

Clients

"To have a partner like NOTICENINJA during tax filing time that could provide us with good order and discipline and services that could help us fill a gap until we were back online with our other systems was really invaluable. I can't say enough about the team at NOTICENINJA."

Large Service Provider

"We have come to appreciate the high level of personal attention that we have received from all contacts at NOTICENINJA. They are always quick to address our issues, and their solutions are accurate, clear, and highly detailed. Thanks for everything the Notice Ninja team does for us!"

Professional Employer Organization

"NOTICENINJA is a game changer for my department. The ease of use to upload a notice and review the uploaded content is much more efficient than our past processes. The real-time analytics will enable us to provide visibility to upper management on the need for resources periodically."

Commercial Bank

How NOTICENINJA Works

Documents Scanned with OCR

Best Practice Workflow Generated

Auto Distribution of Task Assignments

Guided Resolution Pathway

Tax Notices Resolved in <30 Days

Integrations

Notice Ninja integrates with many systems including:

NOTICENINJA by the Numbers

150+

Companies that Trust Notice Ninja Across 170+ Countries
From U.S.-based payroll providers to global enterprise tax teams — leaders rely on Notice Ninja

300,000+

Businesses Touched
Helping businesses stay compliant, save time, and avoid penalties — every single day

8 Million+

Tax Notices Managed
From backlog to breakthrough — automation that delivers

The operating system for tax notice operations

Automate Tax Notice Management

Refund Check Tracking

Entity Management

Authorizations & Power of Attorney Management

Don’t Settle for “Good Enough” Tax Notice Management

Tax Compliance Automation Software

AUTOMATED

CENTRALIZED

CUSTOMIZABLE

Testimonials

"To have a partner like NOTICENINJA during tax filing time that could provide us with good order and discipline and services that could help us fill a gap until we were back online with our other systems was really invaluable. I can't say enough about the team at NOTICENINJA."

"We have come to appreciate the high level of personal attention that we have received from all contacts at NOTICENINJA. They are always quick to address our issues, and their solutions are accurate, clear, and highly detailed. Thanks for everything the Notice Ninja team does for us!"

"NOTICENINJA is a game changer for my department. The ease of use to upload a notice and review the uploaded content is much more efficient than our past processes. The real-time analytics will enable us to provide visibility to upper management on the need for resources periodically."

How NOTICENINJA Works

How NOTICENINJA Works

Integrations

Notice Ninja integrates with many systems including:

NOTICENINJA by the Numbers

NOTICENINJA by the Numbers

150+

300,000+

8 Million+

Tax Compliance News & Blog

News & Events

Frequently Asked Questions

Does NOTICENINJA automatically assign notices?

Can it generate reports to show how things are going?

Does your company offer services to help with backlogs?

Can NOTICENINJA track agency agents (Contacts) by phone and email?