Tiresia
Tiresia is an Italian AI platform for tax law professionals. TaxCopilot drafts structured legal opinions and pleadings from your case files; TaxDaily turns daily tax news into actionable briefings. Every answer cites verifiable sources.
What is Tiresia?
Tiresia is an artificial intelligence platform built for one profession: the Italian tax practitioner. Its publisher, 2 Legal Tech S.r.l. of Milan, presents it as an ecosystem of two distinct but complementary tools, and the distinction matters because they are bought separately.
TaxCopilot is the analytical half. A practitioner submits a question and attaches the relevant documents, and the platform returns a structured opinion in four parts: legal framing of the situation, case law from the Court of Cassation, the Constitutional Court, the Court of Justice of the EU and the ECHR, then first and second instance decisions ranked by how settled the position is, and finally the administrative practice of the Agenzia delle Entrate. A Super PRO mode examines the same question from several angles at once. Alongside it sit an advanced research function that queries the publisher's proprietary databases source type by source type, a deep document analysis that ingests appeals, rulings, audit reports, assessment notices, contracts and financial statements, and an experimental drafting module that produces working drafts of appeals, briefs and counterclaims from work already done on the file. Documents arrive as PDF, Word, Excel or images, uploaded directly or pulled from Google Drive, OneDrive or Dropbox.
TaxDaily is the daily half: a live magazine of AI-curated tax news organised into eight sections, from an intelligent deadline calendar to case studies, paired with an unlimited tax chat. Under every item an action bar lets the reader launch a source search, request a contextual opinion or generate a client circular without leaving the page.
Both rest on a proprietary corpus the publisher describes as over three million documents, with sources cited and readable in full. The stated design principle is that the tool never decides: it organises, analyses and structures the reasoning, and the professional keeps the judgement and the responsibility. Everything runs in a browser, with no installation, and every output can be exported and archived for later reuse.
What it does
- Produce a structured tax opinion from a question and the attached case documents, organised into legal framing, higher-court case law, lower-court case law and administrative practice
- Search proprietary legal databases by source type and return a full research report, with each source readable in its entirety and analysed individually
- Analyse uploaded rulings, assessment notices, audit reports, contracts and financial statements, singly or in comparison, and map omissions and contestable grounds
- Draft appeals, briefs and other defensive pleadings from the analyses and research already produced on the file
- Follow tax deadlines, short news, interpretive guidance and impact sheets in a daily feed curated by AI
- Turn any news item into a targeted source search, a contextual operational opinion or a ready-to-send client circular
- Export every output to Word or PDF and keep it in a dedicated archive for later reuse
When to use Tiresia / When not to
A quick filter to help you decide if Tiresia is the right fit.
When to use Tiresia
- Tax litigators preparing appeals, who need vices of reasoning and challengeable grounds surfaced from an assessment notice before the deadline runs out
- Chartered accountants and tax advisers who must return a reasoned written opinion to a client, with case law and administrative practice already weighed
- Small and mid-sized professional practices that cannot afford a full research department but face the same multi-layered Italian tax rules as large firms
- In-house tax managers, controllers and compliance teams who need to judge quickly what a new rule actually changes in their own processes and filings
- Public officials and inspectors in control bodies who monitor legislation, administrative practice and case law as a daily duty rather than an occasional one
When not to use Tiresia
- Anyone working outside Italian tax law: the interface, the source databases and every document produced are Italian, with no other language offered
- Teams that need to plug the tool into their own software, since no public API, no webhook and no developer documentation exist anywhere on the site
- Professionals who want a mobile app or an offline desktop tool, as access is strictly through a browser with no installable client of any kind
- Buyers who want to pay month by month for the flagship product, because TaxCopilot is sold on annual subscriptions only, with unused credits forfeited at renewal
- Organisations bound to on-premise or self-hosted deployment, or that require named disclosure of every AI model provider before signing
How to use Tiresia
A typical end-to-end flow, from setup to results.
- Book a free personalised demo through the website form, or start the 15-day TaxDaily trial directly, which needs no credit card
- Create the account through the separate Subscription Manager: confirm the email, enter the organisation details, choose the plan and add team members
- Optionally connect a professional drive, Google Drive, OneDrive or Dropbox, an authorisation the client can revoke at any time
- Upload the case file, or pull the documents in from the connected drive, to build an ordered working context
- Run a deep document analysis to obtain a qualified reading of the file rather than a summary: omissions, contradictions and challengeable grounds
- Launch an advanced legal research on the questions that emerged, choosing between higher-court case law, lower-court case law and administrative practice
- Build the reasoning with a deep legal analysis, using the built-in prompt assistant to extract context from a document or sharpen the question
- Select the best outputs as the knowledge base and ask the drafting module for a structured draft of the pleading
- Export the result to Word or PDF, and let each output settle into its dedicated archive for reuse later
- Consult the Academy pages for the prompting guide, the full workflow guide and the white paper, all downloadable as PDFs
Pros & Cons
Pros
- Sources are cited systematically and remain readable in full, with an AI analysis attached to each one, which makes a double check possible instead of theoretical
- The output is structured rather than free-form: a four-part opinion follows the way a tax practitioner actually builds an argument
- The same material carries through the whole workflow, from document analysis to research to the drafted pleading, without re-explaining the case at each step
- The publisher commits in the service terms to not training or fine-tuning its models on customer documents, prompts and inputs
- ISO/IEC 27001 certification is claimed with a certificate number displayed on every page, and processing is said to take place mainly within the EEA
- TaxDaily offers a genuine 15-day free trial that starts automatically and asks for no credit card
- Institutional traction is documented: a memorandum of understanding with the Guardia di Finanza inspectors' school, and agreements with bar associations and an accountants' foundation
Cons
- The tool is confined to Italian tax law, with an Italian-only interface and no other language offered, which puts it out of reach outside Italy
- No API, no mobile app and no self-hosted option: the browser is the only way in, and integration with existing software is not possible
- TaxCopilot is sold on annual subscriptions only, and unused request credits are forfeited at each renewal rather than carried over
- The two products have separate price lists and a subscription to one grants no access to the other, which the pricing pages do not make obvious
- No third-party AI model provider is ever named, although the privacy notice admits some of them may process data outside the EEA, the United States included
- The ISO 27001 claim shows a certificate number but names no certification body, and no certificate is published
- The drafting module is labelled experimental, and the terms themselves acknowledge inaccuracies and occasional hallucinations, including in the editorially reviewed magazine
Pricing & Plans
There is no permanent free plan: TaxDaily is described on its own pricing page as a paid service. A free trial exists, however, and it is substantial: 15 days on TaxDaily, activated automatically at registration and requiring no credit card. A trial of TaxCopilot is available on request rather than in self-service. All prices are quoted exclusive of VAT, and the two products are priced separately. The cheapest paid entry point is the TaxDaily monthly subscription at EUR 39.99 per month; the same subscription billed annually comes to EUR 33.25 per month, a saving the site advertises as 17 percent. TaxCopilot is a different commitment: it is sold on annual subscriptions only, from EUR 790 per year for a single user and 250 annual requests, up to EUR 2,890 per year for five users and 1,000 requests, with a custom tier quoted on request.
- EUR 790 per year excluding VAT - 1 user
- 250 annual requests
- EUR 1
- 790 per year excluding VAT - up to 3 users
- 600 annual requests
- EUR 2
- 890 per year excluding VAT - up to 5 users
- 1
- 000 annual requests
- quotation on request - custom number of users and requests
- EUR 39.99 per month excluding VAT - full news access
- unlimited chat
- monthly billing
- EUR 33.25 per month excluding VAT (EUR 399 per year) - identical features
- annual billing
- 17 percent saving
Data, GDPR & hosting
A consolidated view of how Tiresia handles your data.
GDPR overview
GDPR compliance is stated explicitly and repeatedly, not merely implied. The security page claims processing in full compliance with the Regulation, and the platform terms say the service operates under GDPR. Concrete mentions are present: legal bases are named (Art. 6(1)(b) contract, 6(1)(f) legitimate interest, 6(1)(a) consent), data subject rights under Art. 15 and following are listed one by one, and the Italian supervisory authority, the Garante per la protezione dei dati personali, is named alongside the right to a judicial remedy under Art. 79. A data protection officer is reachable at a dedicated address. Two limits deserve attention. No Article 27 representative is designated, which is normal for an EU-based publisher. And the marketing site carries a separate privacy policy that states in writing that it does not govern the product platforms, so facts drawn from it apply to the website only.
Who owns the data?
Ownership of everything a user uploads stays with the client or the original rights holders: the terms of service state this in the first line of their data section, and they add that the user keeps ownership of inputs and documents. What the publisher receives is a limited, non-exclusive licence, granted only for the time needed to run the requested features and strictly for their technical execution. The roles are split. For account, billing, support and security data, 2 Legal Tech S.r.l. acts as data controller. For the content a professional uploads on behalf of their own client, it acts as a processor under Article 28 GDPR, working on the client's instructions. Software, interface, proprietary databases, trademarks and documentation remain the publisher's property.
Reuse rights
The outputs are yours to work with. Opinions, research reports, document analyses and drafted pleadings can be exported to Word or PDF, kept in the platform's archives, reused as the knowledge base for later work, and sent to clients or filed with a court, with no permission to request. The terms place that use entirely under the user's own responsibility, and they insist on it: an answer produced by the platform is not legal or tax advice given by the publisher, and conclusions must be checked against the original sources before being relied on. In the other direction, the publisher's own use is narrow. Uploaded documents, prompts and inputs are not used to train or fine-tune AI models, and the same segregation is required from third-party suppliers where technically and contractually possible. Data is passed to models only for the minimum time an operation requires. What the tool restricts is copying the service itself: reverse engineering, systematic extraction and resale of the platform or its components are forbidden.
Data retention & training
Hosting summary
The publisher places the service inside the European Economic Area as a rule rather than an exception. The product privacy notice states that the cloud infrastructure and the processing take place mainly within the EEA, and the service terms say the platform favours processing and hosting inside the EEA, or otherwise in compliance with European transfer rules. The exception is stated openly. For some features the publisher may rely on third-party suppliers, AI services in particular, which can process data outside the EEA, including in the United States. Where those suppliers offer European data residency, the publisher says it prefers that option. No hosting country is named, and no cloud or model provider is identified for the platform. Two further points. The security page describes encrypted and regular backups, geographic redundancy and documented disaster recovery procedures. And GoDaddy, named as a hosting provider in the website privacy policy, hosts the marketing site only, not the product.
Things to keep in mind
Risks and trade-offs to weigh before adopting Tiresia.
- Automation complacency is the central risk: the platform produces a confident, well-structured opinion, and the terms themselves warn that it may contain inaccuracies, omissions or rare hallucinations. A draft that reads well is the easiest kind to sign without reading
- Skill erosion over time: if junior practitioners never build the legal framing themselves, the ability to construct an argument from scratch may quietly stop being trained, which matters in a profession where the signature carries personal liability
- The advertised entry price of EUR 39.99 per month buys TaxDaily only. TaxCopilot, the flagship, starts at EUR 790 per year, is annual only, and unused request credits are forfeited at renewal. All prices exclude VAT
- The site contradicts itself on training: the security page says customer content is never used to train models without explicit consent, while the service terms, the product privacy notice and the product FAQ say it is never used at all. The narrower wording is the one to check before signing
- No third-party AI model provider is named anywhere, yet the privacy notice concedes some may process data outside the EEA, including in the United States. For files covered by professional secrecy that is a gap worth raising with the publisher
- The ISO/IEC 27001 claim shows a certificate number but no certification body, and no certificate is published. The legal documents on the marketing site also state expressly that they do not govern the product platforms, so anything read there applies to the website alone
- The publisher is young and very small: registered in December 2020, with one employee and revenue in the low thousands of euros in its last filed accounts, against adoption figures of 120-plus practices and 45,000-plus opinions displayed on every page. Continuity of service is a fair question to ask
Setup & Integrations
Technical difficulty
Very low. There is nothing to install: the service runs in a browser on a computer, laptop, tablet or smartphone. Registration on TaxDaily is self-service, requiring an email confirmation and a password of at least eight characters with an uppercase letter, a digit and a special character; subscriptions and team members are handled through a separate Subscription Manager. Connecting Google Drive, OneDrive or Dropbox is optional and revocable. TaxCopilot goes through a demo rather than open sign-up. The publisher states the tool is designed for the tax practitioner, not the AI expert, and the Academy pages provide guides and a white paper.
Deployment
Integrations
Supported languages
Behind Tiresia
Social
Resources
All the official URLs gathered for verification and reference.
Frequently asked questions
What exactly is Tiresia, and why are there two products?
What does it cost, and is there a free plan?
Is there a free trial?
What is a request, and do unused ones carry over?
Is my data used to train the AI models?
Where is the data hosted?
Is there an API or a mobile app?
What documents can I upload, and where can they come from?
Who is behind Tiresia?
Can I rely on the output as it is?
Should you pick Tiresia?
Tiresia is a deliberately narrow product, and that is its main strength. Rather than a general assistant asked to behave like a tax specialist, it is built around one profession's actual workflow, from reading a case file to filing a pleading, and it publishes the shape of its reasoning: a four-part opinion, sources cited and readable in full, an AI analysis attached to each of them. For an Italian tax practitioner, that is a materially different proposition from a chatbot with a legal prompt.
The governance signals are better than average for a tool of this size. The service terms commit in writing to not training on customer data, place the publisher in the Article 28 processor role for uploaded content, and say processing happens mainly inside the EEA. An ISO/IEC 27001 certificate number is displayed on every page. Institutional adoption is documented rather than merely claimed.
The reservations are real too. Everything is Italian, so the tool travels badly. There is no API, no mobile app and no self-hosted option. The flagship product is annual only, unused credits expire, and the two products are billed separately, which makes the advertised entry price misleading if read as access to the whole platform. No third-party AI provider is ever named although some may process data outside the EEA, and the ISO claim names no certification body. The publisher is also young and small: its last filed accounts, for 2024, show one employee and revenue in the low thousands of euros, which sits oddly beside the adoption figures displayed on the site.
For an Italian tax professional the trial costs nothing and answers the only question that matters. For anyone else, this is not the tool.
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