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Tax compliance and research

Blue J

AI tax research that gives you sourced answers from primary authority, fast.

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Overview

Blue J is an AI tax research platform for solo, small, and mid-sized accounting firms that answers questions by searching primary authority, including the Internal Revenue Code, Treasury regulations, IRS rulings, case law, Tax Notes commentary, and IBFD cross-border content, and delivers a sourced answer traceable to the original text.

The platform covers US federal tax, state and local tax (SALT), Canadian tax, and UK tax. A conversational interface lets you ask follow-up questions in sequence without losing context, so complex multi-step research can proceed naturally. Memo and email drafting tools pull the retrieved sources into structured outputs your firm can send directly to clients.

In practice, a session starts with a plain-English question such as "Can my client deduct home office expenses under a partnership?" Blue J returns a written answer with inline citations you can click through to the source text. Follow-up questions narrow the research without starting over.

The closest alternative is CoCounsel Tax from Thomson Reuters, which draws on the Checkpoint library but requires an existing Checkpoint subscription. Blue J is standalone, so any firm can trial it independently. Firms already paying for Checkpoint may find CoCounsel a natural add-on; firms without that commitment often prefer Blue J.

Pricing for sole practitioners is $1,498 per year (roughly $125 per user per month). Larger firms, from local practices to national firms, work with Blue J on custom team pricing. More than 4,000 firms use the platform including regional and national names like Crowe, RSM, and Larson. A 7-day free trial with no credit card required is available for sole practitioners and small teams.

Key facts

Starting price
$125 per month
Pricing model
Per user
Free trial
Yes
Free tier
No
Deployment
Cloud
Geography
US, UK, CA
Founded
2015
Support
Phone, Chat, Email, Knowledge Base
Languages
English
Works with
Not listed
Last verified
2026-05-04

Pros and Cons

Pros

  • Sole practitioners on US federal, SALT, Canadian, or UK tax research who want sourced answers.
  • Tax-heavy practices that need to draft memos and client emails grounded in primary authority.
  • Firms that save research time across multiple users. Vendor reports around three hours per user per week.

Cons

  • Practices with no tax advisory work. Blue J is built around primary tax authority, not bookkeeping or audit.
  • Solo bookkeepers on the tightest budgets. Blue J starts at $1,498 per year per user.
  • Firms outside the US, UK, or Canada. Blue J's content libraries do not yet cover other jurisdictions.

Pricing

TierPriceBillingFeatures
Sole Practitioner$125Per user per month (billed annually at $1,498/year)US federal and SALT database, case law, Tax Notes and IBFD content, unlimited research, memo and email drafting, conversational follow-ups, daily content updates, SOC 2 Type 2.
FirmCustomCustom annual termsEverything in Sole Practitioner, plus dedicated representative, on-demand training, usage reporting, custom SSO, advanced security, and tailored implementation for local, regional, and national firms.

Frequently asked questions

What does Blue J do for a tax practice?
Blue J is an AI-powered tax research assistant. It takes a natural-language tax question, searches federal and state primary sources (US tax code, IRS rulings, court decisions, regulatory guidance, and Canadian tax authority materials), and returns a cited answer that points back to the underlying authority for every claim. The use case is replacing hours of Checkpoint, LexisNexis, or Westlaw research time with minutes of cited AI lookup, particularly on routine federal and state tax questions where the rule already exists somewhere in the corpus.
How much does Blue J cost?
Blue J is priced per seat per month with annual contracts. Public pricing starts around 100 USD per seat per month, with significant volume discounts above 5 seats. Get quotes for your firm size and tax-research volume; the negotiated price often differs from list. Year-one spend for a small tax practice with 2 to 4 seats lands between 1,500 and 4,000 USD, sitting on top of any existing tax-research subscription you already pay for.
Is Blue J US-only?
Blue J covers US federal tax, US state tax, and Canadian federal tax. The Canadian module is genuinely first-class and not a bolt-on, since the company was founded in Toronto and Canadian tax research was the original product. UK, Australian, and EU tax research are not covered. UK and Australian firms looking for AI in tax research currently have fewer options and tend to pair Westlaw or Practical Law with a generalist AI assistant.
How does Blue J compare to CoCounsel Tax?
CoCounsel Tax (Thomson Reuters) leans on the deep Checkpoint corpus and is the natural choice if your firm already pays for Thomson Reuters products. Blue J is the strongest natural-language interface and is favoured by firms that want the cleanest 'ask a tax question, get a cited answer' experience. Both link out to primary sources for every claim, which makes verification fast. The choice often comes down to whether your firm is committed to the Thomson Reuters ecosystem (CoCounsel) or wants a best-in-class AI layer regardless of legacy subscriptions (Blue J).
Does Blue J hallucinate tax answers?
It can, like any large language model on tax questions. Blue J has invested heavily in grounding answers in cited primary sources to reduce this, and every claim links to the rule it cites. Always verify the citation goes to the rule the AI claims it does, particularly on novel transactions, recently-amended regulations, or areas where IRS guidance has changed. Treat any uncited Blue J answer as a starting point for research, not a final position.

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Last verified 2026-05-04. Pricing and features come from vendor-published specs. See our methodology.