Founded in 2019 by dual-qualified (England & Wales and Mauritius) former Magic Circle lawyer Johanne Hague, Prism Chambers is a boutique business law firm in Mauritius renowned for its expertise in tax advisory, transactional tax, and tax controversy matters with significant cross-border elements. The firm combines in-depth legal expertise with empathy and a client-focused approach, ensuring efficient and commercially sound solutions to complex tax challenges.

Prism Chambers has earned an excellent reputation for its tax controversy practice, representing clients at all levels of dispute resolution, including before the Supreme Court of Mauritius and the Judicial Committee of the Privy Council. The managing partner, Johanne Hague, has also appeared as an expert witness in Mauritius tax law before the UK’s First Tier (Tax) Tribunal. The firm is regularly engaged on high-profile, complex cross-border tax litigation, including transfer pricing matters, and provides bespoke tax training across Mauritius and Africa, covering topics such as AEOI legislation, BEPS updates, and domestic tax developments.

The firm’s expertise extends beyond tax to corporate and commercial law, commercial litigation, employment, investment funds, fintech and regtech, and AML/CFT. All practitioners are admitted to the Bar of Mauritius and leverage commercial awareness, industry insights, and intellectual rigour to deliver practical and robust legal advice.

Prism Chambers collaborates closely with other law firms, legal practitioners, and tax accountants to provide seamless and integrated services. The firm is also a growth partner of PUNCH, supporting local entrepreneurs and contributing to a resilient, diversified, and inclusive economy by providing legal assistance to small businesses.

Recognized for excellence, Prism Chambers is ranked Tier 1 in Mauritius for General Tax and Tax Controversy by the ITR World Tax Rankings 2025. Johanne Hague is recognized as a Highly Regarded Practitioner in General Corporate Tax, and Medina Torabally is a Rising Star in Tax Controversy. The firm is also ranked as a Leading Firm by Legal500 and recognized in Chambers & Partners Global Ranking 2024, reflecting its position as a trusted advisor for corporate clients locally and internationally.