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Solutions · In-house tax teams

AI tax research for in-house tax teams

Cited answers to corporate, international, state and local, and transaction tax questions, built for corporate tax and finance teams that need positions they can document and defend. Use Bizora in the web app, Claude, ChatGPT, or your own tools.

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7-day free trial. No credit card required.

Web app

The full research platform

Claude

Approved connector

ChatGPT

Listed app

API and MCP

Inside your own tools

Built for the questions that reach the tax department

In-house teams answer to the CFO, the auditors and the board. A position needs a source, a reasoning trail and a memo to file, often the same day the question arrives.

Bizora pulls from the IRC, Treasury Regulations, IRS rulings, case law and 25+ other primary source categories, and shows its reasoning in View Steps. Your team gets an answer it can verify, and a record of how it got there.

Corporate tax coverage, cited to primary authority

International tax

Cross-border questions for multinational groups, grounded in the Code, regulations, treaties and OECD guidance.

GILTIFDIISubpart F§245APillar TwoTransfer pricingTreaties

Try asking“How does the Pillar Two income inclusion rule apply to a US-parented group?”

State and local tax

Income tax in all 50 states plus territories, and sales and use and property tax in all 50 states.

NexusApportionmentConformitySales and useProperty tax

Try asking“Do remote employees in New Jersey create corporate income tax nexus?”

M&A and restructuring

Structured workflows from feasibility through post-closing elections, with the authority cited at every stage.

QSPs§338(h)(10)§1060 allocation§351Due diligence

Try asking“Does this acquisition qualify as a qualified stock purchase for a §338(h)(10) election?”

Federal corporate tax

Entity structuring, asset transfers, credits and IRS code interpretation for the questions that land on the tax director's desk.

§41 R&D credit§174AEntity structuringRulings and PLRs

Try asking“How does §174A expensing interact with the §41 research credit?”

Four ways to bring Bizora into your tax department

One research engine, the same sources and the same citations, wherever your team already works.

01

Bizora web app

The full platform for your team's daily research.

  • Standard, Fast and Deep Research, plus Web Search
  • Vault for contracts and deal documents
  • Canvas for memos and summaries
  • Audit Research on accounting standards
Start free trial →

02

Claude

Run Bizora research inside Claude, alongside your files, email and calendar.

  • Approved connector in Claude's directory
  • Free Skills: Research to Memo and more
  • Sign in with your Bizora account
Connect to Claude →

03

ChatGPT

Use the Bizora app inside ChatGPT for the same cited research.

  • Listed in the ChatGPT app directory
  • Same engine and citations
  • No new tool to learn
Find it in ChatGPT →

04

API and MCP server

Build Bizora into internal tools, portals and agent workflows.

  • OpenAI-compatible REST API
  • MCP server for any compatible assistant
  • Per-request pricing, white-label options
Explore the API →

From question to memo to file

Research

Deep Research for multi-authority questions

Bizora breaks a complex question into parts, reviews each authority separately and assembles a full analysis, with citations from every step.

Vault

Analysis on contracts and deal documents

Upload purchase agreements, financial statements, prior memos and filings. Flag tax-sensitive language, compare documents and ground answers in the file itself.

Canvas

Memos to file and summaries for leadership

Turn the research into a formal memo, a one-page summary for the CFO, or your department's own template, with the citations carried into the draft. About Canvas

Audit Research

Accounting standards on the same login

Ask accounting and reporting questions cited to the FASB Codification, SEC rules and other standards, without leaving the platform.

Controls your IT and security teams expect

Security questionnaires and vendor assessments go to admin@bizora.ai, and supporting documentation can be shared under confidentiality protections.

Read our security overview

Single sign-on

SAML SSO with Microsoft Entra ID through Auth0

Encryption

TLS in transit and AES-256 at rest, including OAuth tokens

Access

Role-based access controls and least-privilege permissions

Your data

Never sold or used for advertising, marketing or resale

Compliance

Working towards SOC 2 Security audit readiness

In-house tax team FAQs

More answers in the Help Center.

How do in-house tax teams use Bizora?

In-house tax teams use Bizora to research corporate, international, state and local, and transaction tax questions with citations to primary authority, analyze contracts and deal documents in the Vault, and draft memos to file or summaries for finance leadership in Canvas.

What are the ways to use Bizora?

There are four: the Bizora web app, which includes the full platform; the Bizora connector in Claude; the Bizora app in ChatGPT; and the OpenAI-compatible API and MCP server for internal tools and other assistants. Every route uses the same research engine and the same citations.

Does Bizora cover international tax for multinational groups?

Yes. Bizora covers GILTI, FDII, Subpart F, Section 245A, income tax treaties, OECD Pillar Two Model Rules and guidance, the OECD Transfer Pricing Guidelines, EU VAT, and the tax codes of Canada, India, the Netherlands, and Singapore.

Does Bizora cover state and local tax for corporations?

Yes. Bizora covers income tax in all 50 states plus US territories, and sales and use tax and property tax in all 50 states, including nexus, apportionment, and state-specific rules.

Can Bizora help with M&A and restructuring?

Yes. Bizora supports structured workflows for taxable acquisitions and restructurings, including qualified stock purchases, Section 338(h)(10) elections, purchase price allocation under Section 1060, required filings, and deadlines, with the authorities cited at each step.

Can Bizora answer accounting standards questions?

Yes. Audit Research answers accounting and reporting questions cited to the FASB Accounting Standards Codification, SEC rules, and other standards. It is included in the Pro and Pinnacle plans.

Can we build Bizora into our internal tools?

Yes. The OpenAI-compatible API and MCP server let your team embed Bizora research in internal tools, portals and workflows. Usage is billed per request from prepaid credits, with no monthly minimum or contract.

Does Bizora support single sign-on?

Yes. Bizora supports SAML-based single sign-on with Microsoft Entra ID through Auth0, which organizations can enable during onboarding.

How is Bizora priced for a tax department?

Web app plans are billed per user, per month: Essential at $29.99, Pro at $69.99, and Pinnacle at $119.99, which adds team training, personalized onboarding, and a dedicated support channel. API and MCP usage is billed per request. For volume arrangements, contact admin@bizora.ai.

Can we use Bizora alongside our existing research subscription?

Yes. Bizora works as a standalone platform, so nothing needs to be replaced or migrated.

See Bizora on your department's questions.

A live walkthrough for your team, or a 7-day free trial with no credit card.

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