Which is better for European tax?

azta, for work grounded in national European statute. It researches 24 European jurisdictions in their own languages and cites the provision rather than a summary. Blue J is the stronger choice where the mandate is North American.

Do both cite their sources?

Yes, and that is the main thing both have over a general AI model. They differ in what the source is: azta cites the enacted provision with its in-force status, Blue J cites within its licensed content.

What does Blue J cost?

Blue J publishes an Individual plan at US $1,498 per user per year, and £1,500 per user per year on its United Kingdom page, with Team pricing on request and a seven-day trial. Both were read from bluej.com on 19 August 2026 and Blue J has changed its list price before, so check the current page. azta is €27 a month or €324 a year with a free tier of five cited questions.

Does Blue J cover European jurisdictions?

Blue J sells into the United States, Canada and the United Kingdom and does not publish coverage of the European jurisdictions azta researches. For work grounded in Dutch, German, Polish or Hungarian statute, that is the decisive difference rather than the price.

Can azta answer questions outside Europe?

It covers 24 European jurisdictions and will tell you when a question falls outside them rather than guessing. For genuinely global work, a platform with worldwide country coverage is the right tool.

Comparisons

azta vs Blue J: two AI tax tools, two different continents

azta team19 August 20267 min read

Quick verdict

These two are closer than most comparisons on this site, because both are AI-first tax research rather than a database with a search box on top. The split is geographic. Blue J is strongest where its North American heritage and its bundled global content are strongest. azta is built for European statute, in the original languages, with company law in the same thread and a memo at the end.

Choose azta if

Your work is European and the answer needs to cite the national provision, not a summary of it
You need company law and tax in the same research thread
You want the client’s own documents read alongside the statute
You want to start today at €27/month rather than enter a sales process

Competitor may fit if

Your practice is North American or British, which is where Blue J operates
Scenario and outcome-prediction analysis is central to how your team works
You want a published per-user price from a vendor with an established US and Canadian tax reputation

Side-by-side comparison

Feature comparison: azta vs Blue J
Category	azta	Blue J
Built for	European tax and company law	Tax research with North American roots
Jurisdictions	24 European jurisdictions, researched in the original languages	United States, Canada and the United Kingdom
Citation	The provision itself, one click away, in-force status shown	Source-backed answers over its licensed content
Company law	Answered alongside tax in one thread	Tax-focused
Client documents	Reads contracts and statements and cites them with the statute	Not the core workflow
Deliverable	Drafts the memo in Canvas, exports to Word or PDF	Research output
Where it operates	24 European jurisdictions	United States, Canada and the United Kingdom. Its UK page states full UK tax coverage
Published price, per user per year	€324 (€27/month). 5 questions a month free, no card	US $1,498 and UK £1,500 for Individual; Team on request. 7-day trial, no card

Based on public product information as of August 2026. Features and pricing change — confirm before buying.

Most of the comparisons on this site are against tools built for lawyers or against databases with decades of content and a search box. Blue J is neither. It is an AI tax research tool, which makes this the closest comparison we publish, and the honest answer is that the two are aimed at different continents.

What "cited" means in each

Both return answers with sources rather than a confident paraphrase, which already puts them in a different category from a general model. The difference is what sits underneath. Blue J answers over its licensed content. azta answers over the national statute directly, and shows you the provision in the language the legislature enacted it in, with its in-force status. For a German or Dutch adviser, a translated summary of a Danish rule is not the Danish rule, and the difference is the part with your name on it.

The company-law question

European advisory work crosses between tax and company law constantly: a holding structure, a cross-border merger, a director’s liability question attached to a tax position. The market usually splits these across two subscriptions. azta answers both in the same thread, which is a small thing until it is the exact question on your desk.

The part that decides it for a European reader

Blue J sells into the United States, Canada and the United Kingdom. It does not publish coverage of the 24 European jurisdictions azta researches. If you are advising on Dutch place of supply or a Polish holding structure, that is not a difference of depth, it is a difference of whether the tool covers your question at all.

Buying it

Both publish a price, which makes this the one honest like-for-like comparison on this site. Blue J lists its Individual plan at US $1,498 a year per user, and £1,500 a year on its United Kingdom page, with a seven-day trial and no card. azta is €324 a year, or €27 a month, with five cited questions a month free. Both figures were read from bluej.com on 19 August 2026 and Blue J has moved its list price before, so check their pricing page rather than relying on this one.

Where Blue J may still fit

Blue J built its reputation on North American tax and that heritage shows in the depth of its US and Canadian material. Its scenario and prediction work is a genuinely different approach to research rather than a better-marketed version of the same one, and teams who have built a method around it will not find an equivalent in azta. If your mandate is North American, or spans well beyond Europe, it answers a question azta does not.

Why azta is the better fit for European work

Because European advisory work is national law, in national languages, and the citation has to survive a reviewer opening it. azta covers 24 European jurisdictions at that level, keeps company law in the same thread as tax, reads the client’s own files alongside the statute, and drafts the memo into Word at the end. It is available for €27 a month and free to try, so the evaluation costs an afternoon rather than a procurement cycle.

Frequently asked questions

Which is better for European tax?: azta, for work grounded in national European statute. It researches 24 European jurisdictions in their own languages and cites the provision rather than a summary. Blue J is the stronger choice where the mandate is North American.
Do both cite their sources?: Yes, and that is the main thing both have over a general AI model. They differ in what the source is: azta cites the enacted provision with its in-force status, Blue J cites within its licensed content.
What does Blue J cost?: Blue J publishes an Individual plan at US $1,498 per user per year, and £1,500 per user per year on its United Kingdom page, with Team pricing on request and a seven-day trial. Both were read from bluej.com on 19 August 2026 and Blue J has changed its list price before, so check the current page. azta is €27 a month or €324 a year with a free tier of five cited questions.
Does Blue J cover European jurisdictions?: Blue J sells into the United States, Canada and the United Kingdom and does not publish coverage of the European jurisdictions azta researches. For work grounded in Dutch, German, Polish or Hungarian statute, that is the decisive difference rather than the price.
Can azta answer questions outside Europe?: It covers 24 European jurisdictions and will tell you when a question falls outside them rather than guessing. For genuinely global work, a platform with worldwide country coverage is the right tool.