AUSTRALIAN ROOTS. INTERNATIONAL REACH.

    Tax & legal AI.
    Across borders.
    Built in Australia.

    Research tax and law across 23 jurisdictions, including Australia, the US, UK, Canada, New Zealand and Asia-Pacific. Dedicated country engines for accountants, tax teams and legal professionals, alongside Australian drafting and specialist tools.

    Your 14-day free trial includes up to 25 questions. No credit card needed. Prefer to talk first? Book a call and we’ll arrange a time by email.

    Explore Australian engines & tools
    Your research starts here.23 RESEARCH JURISDICTIONS
    FOR THE WORK THAT NEEDS YOUR EXPERTISE
    23Tax & legal jurisdictions
    44International tax & legal engines
    32Australian engines
    34Australian specialist tools
    Discover your workspace

    Regulatory Disclaimer: Cassandra Research is a software technology company, not a registered tax agent, BAS agent, legal practitioner, or financial adviser. Access to Cassandra tax products is restricted to registered tax agents, BAS agents, Australian legal practitioners, and other approved trained professionals. All outputs are software-generated and must be independently reviewed before use. Read full notice

    INSIDE CASSANDRA

    See the workspace behind the engines.

    Open the platform
    The Cassandra application in dark mode, showing country-specific tax research engines and the collapsed navigation sidebar.
    Actual Cassandra application, showing Australian Tax and Tax Strategy in the engine collection. Access depends on your subscription and current platform settings.

    FIND YOUR WORKSPACE

    See the plans. Talk through your workflow.

    Compare plans for Australian and international tax and legal research. Discuss Australian practice software, including Cassandra AML, Cassandra ASIC and Cassandra Suite, with our team.

    Cassandra Pro

    $45 AUD + GST / seat / month

    A workspace for everyday tax and legal research.

    Cassandra Elite

    $99 AUD + GST / seat / month

    Deeper reasoning for tax, legal and financial work.

    Your 14-day free trial includes up to 25 questions. No credit card needed. Call times are arranged by email. Review current plan access and billing in the app before subscribing.

    INTERNATIONAL TAX & LEGAL ENGINES

    International research.
    Country by country.

    Research a local matter in any listed jurisdiction or investigate questions involving several countries. Choose from 22 tax and 22 legal engines across 22 international jurisdictions.

    SOFTWARE FOR AUSTRALIAN PRACTICES

    Research the matter.
    Run the practice.

    Explore Cassandra AML, Cassandra ASIC and Cassandra Suite for compliance, company administration and the day-to-day work of your firm.

    THE ENGINE COLLECTION

    A specialist for
    every side of the matter.

    From Australian tax questions to legal research, deeds and working documents. Choose a focused engine for the matter in front of you.

    FROM QUESTION TO WORKING DRAFT

    More than an answer.
    A way to move work forward.

    See every specialist tool
    01

    Research the question

    Choose the tax or legal engine for your jurisdiction, set out the facts and investigate the issue in context.

    Australia & international jurisdictions
    02

    Shape the deliverable

    Prepare a research draft for review. For Australian matters, explore specialist workflows for objections, contracts and deeds.

    Tools for the task at hand
    03

    Review with confidence

    Check the sources, test the assumptions and refine the draft using your professional judgement.

    Your expertise stays central

    CHOOSE YOUR NEXT STEP

    See how Cassandra fits your practice.

    Discuss Australian or international tax and legal research, or the Australian tools and practice products your team needs. We’ll arrange a suitable call time by email.

    Book a call
    CLIENT TESTIMONIALS

    What our clients say.

    Feedback from accountants and professional practices who have used Cassandra.

    "We've been using Cassandra AI tax software in our practice, and the impact has been immediate and meaningful. It has significantly reduced the time we spend on tax research, allowing our team to focus more on delivering value to clients rather than searching for answers. The platform is intuitive, fast, and consistently provides reliable insights across a wide range of tax scenarios. What used to take hours of manual review can now be resolved in minutes, improving both our efficiency and confidence in the advice we provide. Overall, Cassandra has become an essential part of our workflow. It's a powerful tool for any modern accounting or tax practice looking to streamline processes, enhance accuracy, and scale effectively."
    Mr Yuvraj VermaCleartax AccountantsMelbourne, VIC
    "I am very happy with the Cassandra service - it has taken my practice to another level. I found it very intuitive to use, the layout and content appropriately detailed and easy-to-follow to integrate into client requests. It has also made providing detailed advice to clients much more streamlined and time effective. And the product suite is expanding into other subject areas that will further assist my practice to provide a bespoke and professional advice service."
    Mr Darren CowellYunari.com.auEarlwood, NSW 2006
    "Cassandra Tax AI has become an integral part of our practice, particularly in the preparation of complex tax advice. It allows us to navigate a plethora of legislation and case law across multiple jurisdictions with speed and confidence, enabling us to distil that material into clear, well-reasoned advice for our clients. It has materially improved the efficiency and depth of our research process, without compromising on quality. For a firm operating at the higher end of tax advisory, it is a genuinely valuable tool."
    Mr Imran TahirBlackcube Consulting GroupBrisbane, QLD
    "Cassandra Tax has totally changed how i handle my client files. The interface is super clean and the content is detailed but not over the top. I can knock up complex tax opinions way faster now and my clients love the clear advice i give them. The new modules on trusts are a lifesaver and have saved me heaps of time researching."
    Mr Steven ClarkeClarke Taxation AdvisorsBrighton East, VIC 3187
    "I wasnt sure at first but Cassandra Tax has cut my research time in half. Everything is organised by real life scenarios which makes it dead easy to match to client stuff. I deliver better opinions and still get home before dark. The support people actually get what we need and reply quick."
    Ms Jessica LangfordLangford & Co Tax SpecialistsPaddington, NSW 2021
    "Cassandra Tax is now the main tool in my advice workflow. The examples and references to ATO rulings give me real confidence. Clients tell me the advice feels sharper and more professional. The roadmap they have coming up looks really promising too."
    Mr Michael KostasKostas Chartered AccountantsSouth Melbourne, VIC 3205
    "From the first day it felt like Cassandra Tax was made by people who actually do this job. Search is fast, explanations are in plain english but still rock solid technically and it fits straight into my systems. Im landing more big jobs now because i can reply to proposals super quick with good stuff."
    Ms Anna RossiRossi Financial & TaxWest End, QLD 4101
    "Best money ive spent in ages. Cassandra Tax takes the panic out of keeping up with law changes. The alerts are on time and useful and the coverage on small business and family stuff is brilliant. My whole team uses it because it keeps advice consistent without killing our own style."
    Mr Paul BrennanBrennan Tax & AdvisorySubiaco, WA 6008
    "Cassandra Tax has lifted the quality of advice right across our firm. The layout is easy to follow, the worked examples save ages of checking and the wording is perfect for clients who arent accountants. We can now take on tougher matters instead of sending them out."
    Ms Claire ThompsonThompson Partners AccountantsNorth Adelaide, SA 5006
    "I have a small practice and Cassandra Tax levels the playing field. It gives me big firm power without the huge costs. The guides on tricky bits like division 293 are clear and practical. I can quote fixed fees now without worrying about unknowns."
    Mr David JiangJiang Tax SolutionsEastwood, NSW 2122
    "The detail and real world use in Cassandra Tax is top notch. It doesnt just list the law it shows you how to use it in actual files. My review time has dropped heaps and clients say the documents are thorough but easy to read. The monthly webinars are a nice extra too."
    Ms Lauren ReynoldsReynolds Business TaxToorak, VIC 3142
    "Cassandra Tax has become a must have in our mid size firm. Being able to whip up custom advice letters with proper references has made us more efficient and cut down risks. The team listens to feedback the new trust and estate modules are excellent. I recommend it to any serious advisor."
    Mr George MakrisMakris Accounting GroupFortitude Valley, QLD 4006
    "Moving to Cassandra Tax was one of my best calls for the practice. The content stays up to date, the search is smart and the way it links related rulings is clever. I worry less about missing things and spend more time helping clients get better tax results. The price is worth every cent."
    Ms Emma KowalskiKowalski Tax & AdvisoryCamberwell, VIC 3124
    TRY IT ON YOUR OWN QUESTIONS

    See what Cassandra
    can do for your practice.

    Explore tax and legal research across 23 jurisdictions, alongside Australian specialist tools and practice software.

    A FEW USEFUL ANSWERS

    Before you begin.

    What are Cassandra AML, Cassandra ASIC and Cassandra Suite?

    Cassandra AML supports AML/CTF compliance workflows for Australian professional practices. Cassandra ASIC Agent OS brings together company registers, annual reviews, ASIC change workflows and signing packs. Cassandra Suite combines client and document management, research, email and practice workflows. Explore each product page or book a walkthrough to discuss your firm's requirements.

    What can I do with Cassandra Research?

    Research tax and law across 23 jurisdictions, including Australia and 22 international jurisdictions. Use dedicated country engines for local or cross-border matters, alongside Australian agreement and deed drafting, financial research and 34 specialist tools. General AI models are also available in the workspace.

    Is Cassandra built for Australian professional work?

    Australian Tax, Tax Strategy and Australian Legal sit alongside 23 Australian agreement and deed engines, six financial research engines and 34 specialist tools. Additional country engines are available for international questions through the full catalogue.

    Can firms outside Australia use Cassandra for tax and legal research?

    Cassandra offers 22 international tax engines and 22 international legal engines across 22 jurisdictions. Research a local matter in a listed jurisdiction or a question involving several countries; an Australian connection is not required for the research topic. Access depends on your plan and approval requirements. Review local authorities with a suitably qualified professional. Australian drafting, lodgement and practice products retain their stated Australian scope.

    Are the outputs professional advice?

    Cassandra generates research and drafting assistance. Outputs, citations, calculations and documents need independent verification and review by a suitably qualified professional before use.

    How do I access an engine?

    Start a free trial, or sign in if you already have an account, then choose the engine in the Cassandra app. Your 14-day free trial includes up to 25 questions. No credit card needed. After that, access depends on your plan and the current platform settings. The public website is a directory; research and document generation run in the Cassandra application.