International tax professionals need to know what’s changed, why it matters and what they need to do about it. Tolley’s Global Tax gives you one trusted, jurisdiction-led route from global change to evidence-backed action.
It connects checked and referenced developments, practitioner interpretation, current in-force treaties, country rules and purpose-built research tools in Tolley+™, helping you find, compare, monitor and review the material behind cross-border decisions.
Checked, reviewed and robustly referenced news provides a dependable starting point, with links to legislation and official sources for deeper research with clarity over whether developments are proposed, enacted or in force.
Focus on material international tax developments rather than repeated commentary and speculation, with practitioner-led insight explaining the practical consequences.
Start with the country or territory you are researching and bring relevant treaties, developments, practitioner insight and commentary together through a dedicated jurisdiction-led experience.
See what’s changed, understand why it matters and explore what to consider next through curated developments, Practitioner Insights and deeper global tax digests.
Reach the relevant authority faster, compare treaty provisions and keep a clearer trail back to underlying sources for professional review.
Move seamlessly from a global tax development to the relevant treaty, country rules, supporting authority and deeper Tolley commentary - all within one connected research experience.
Track material legislative, regulatory and policy developments without monitoring every feed or working through repeated commentary.
Browse and filter developments by jurisdiction and tax area, set targeted alerts and follow links to official sources and relevant Tolley content.
Understand what an international tax development means in practice and identify the implications for clients, transactions or business activities sooner.
Move from a confirmed development to practitioner-focused interpretation, connected to relevant authority and Tolley commentary.
Explore significant developments through deeper technical analysis, practical interpretation and worked examples.
Assess wider ramifications and practical consequences to support more informed advice, planning and decision-making.
Access current in-force double tax treaties covering circa 120 jurisdictions together with notes, protocols and supporting treaty information.
Search or browse by jurisdiction, ask focused questions of one or two selected treaties, compare relevant provisions and open the underlying treaty text for review.
Build the domestic country context through corporate tax regimes across key jurisdictions, including important rules, rates and compliance requirements.
Review country-level information alongside relevant treaties, developments and commentary to build a more complete view of the cross-border position.
Research country-by-country transfer pricing requirements across major jurisdictions using structured key data, deadlines, forms, documentation requirements, local and master filing obligations, domestic legislation and official guidance.
Compare jurisdiction-level requirements against OECD standards more efficiently to support more consistent multi‑jurisdictional research.
Start with the country or territory you’re researching and bring relevant treaties, developments, practitioner insight and commentary together in one place.
Compare selected treaty provisions, focus on the areas that matter and move back to the underlying treaty text when you need to review the source.
Move between developments, treaties, country rules and supporting authority in one connected research journey, helping you build a clearer view of the issue.
Build your personalised selection of titles on the virtual bookshelf. Easily return to your most used sources or narrow your search to just one or a select handful.
Natural language search and dynamic filters allow you to browse through titles and chapters or find the specific answers you're searching for faster. Plus with the TolleyThis! extension you can search Tolley+ from any website as well as within Office.com.
Only Tolley's HMRC Manual Comparator lets you quickly identify and redline any recent additions or deletions that have been made to any HMRC Manual document you are viewing. It serves as a vital resource for professionals needing to reference past views or historical positions held by HMRC.
Revolutionise your research experience. These curated pages provide a comprehensive topic overview, including summaries, the essential legislation underpinning the topic, related content, and HMRC manuals.
Add your own notes directly within the platform, capturing your thoughts and insights seamlessly and securely. Admins can add notes visible to your entire organisation subscription, while your notes remain unique to you.
At Tolley, we understand that every professional has their own unique workflow and organisational needs. That's why we've introduced Folders, a powerful new feature that allows you to save and categorise documents in custom folders, tailored to your preferences.
With our intuitive Research History feature, you can effortlessly track and revisit your past research activities, ensuring no valuable insight is ever lost. This tool is designed to save you time by providing quick access to previously viewed documents and searches, allowing you to build upon your past work without the need to start from scratch.
News alerts as developments happen, commentary and analysis on the latest developments in tax and specialist case summaries. Allowing you to find new opportunities for clients quickly, whilst ensuring the information you get is always accurate.
Access a suite of resources in the form of focused proforma documents and policies tailored to meet the needs of your practice.
Use entitled Global Tax content and advanced AI that allows you to submit source-grounded questions, bring in documents and spreadsheets, and move through guided workflows to clearer, review-ready outputs.
