Advanced Diploma in International Taxation (ADIT) 

The Advanced Diploma in International Taxation (ADIT) is a globally recognized certification designed to develop expertise in international tax matters, awarded by the Chartered Institute of Taxation (CIOT) in the United Kingdom. It is highly valuable for tax professionals seeking to demonstrate technical proficiency, enhance their career prospects, and meet the demands of a complex global tax landscape. The ADIT certification offers a flexible, modular structure, allowing candidates to specialize in various international tax topics and gain practical and theoretical knowledge applicable to cross-border taxation.

Eligibility is open to individuals from diverse backgrounds, including tax professionals, accountants, lawyers, and financial advisors. While prior tax knowledge is beneficial, it is not mandatory, as the program accommodates both experienced professionals and those new to international tax, providing a foundation to build expertise through structured study and examination.

Become ADIT Certified?

The process of becoming ADIT certified involves registering as a student, studying, and passing three modules focused on international tax. The core module, Principles of International Taxation, is mandatory, while candidates select two additional modules based on their area of interest. Exams are offered globally, allowing flexibility to complete the certification within five years, though most finish in three years. Study methods include classroom learning and self-study. Upon completion, candidates receive an ADIT certificate and can become International Tax Affiliates, gaining global recognition. Candidates that have passed one or two papers may opt for Standalone Certificates (one module), or Modular Certificates (two modules). 

Find out more

ADIT Modules

The ADIT certification requires candidates to complete three modules focused on international tax principles and practices. Candidates must pass the Principles of International Taxation module, alongside two optional modules from either:

  • Jurisdiction-based modules (e.g., Australia, India, UK, USA), OR
  • Thematic modules (e.g., Transfer Pricing, Energy Resources, Banking)

Alternatively, candidates can replace one module with an Extended Essay, showcasing in-depth research and analysis on an approved topic. This flexible structure suits various career goals. 

Find out more

Exam Preparation

Preparing for the ADIT exam requires dedication and strategic planning. While the Chartered Institute of Taxation (CIOT) does not provide official classes, candidates can opt for self-study or enroll with a training provider. MojiTax offers the most affordable ADIT preparation courses, combining flexibility and expert guidance. With proven success, MojiTax has achieved the best overall in ADIT's Energy Resources award twice (Dec 2023 & June 2024) and a 100% pass rates in multiple ADIT exams since 2020, making it the top choice for aspiring ADIT candidates.

MojiTax provides flexible learning options:

  • Live Classes – Interactive sessions led by ADIT-certified professionals, offering real-time support.
  • Self-Paced Courses – 24/7 access to comprehensive study materials.
  • Subscription Packages – Unlimited access to tax courses for £30/month, with a 7-day free trial.


To find out more, contact us admin@mojitax.com 

Enrolled with CIOT and sitting your ADIT exams in 2025?

Start your journey with one of our flexible learning options today!
If you’re still uncertain about the next step, contact us at admin@mojitax.com, and we’ll arrange a 15-minute meeting with an International Tax Affiliate to explore your options.
Created with