Grant Thornton KSA

Grant Thornton Saudi Arabia, operating as Aldar Audit Bureau, Abdullah Al-Basri & Co., is a leading professional services firm with deep roots in the Kingdom. For more than 30 years, we have supported ambitious businesses, government entities, and public interest organisations as they navigate growth, regulation, and transformation.

With a team of over 200 experienced professionals across Riyadh, Jeddah, and Al Khobar, we deliver a full suite of assurance, tax, and specialist advisory services. Our long-standing presence in the Saudi market gives us an in-depth understanding of local regulations, cultural nuances, and sector dynamics, enabling us to provide advice that is both technically robust and commercially relevant.

We serve privately owned businesses, publicly listed companies, and public sector entities across a wide range of industries, combining strong technical expertise with a practical, solutions-focused approach.

Our Global Strength

Grant Thornton Saudi Arabia is a proud member firm of Grant Thornton International, one of the world’s leading networks of independently owned and managed assurance, tax, and advisory firms.

With tens of thousands of professionals across more than 140 countries, the Grant Thornton network provides seamless access to global expertise, international best practice, and cross-border insights. Wherever our clients operate or plan to expand, they benefit from consistent quality, shared standards, and deep sector knowledge, delivered locally by teams who understand their markets.

This global connectivity allows us to support clients with international ambitions while maintaining the agility and personal attention of a locally rooted firm.

Why Grant Thornton Saudi Arabia

What truly differentiates Grant Thornton Saudi Arabia is how we work.

Our partners and teams invest the time to understand each client’s business, priorities, and challenges. We build long-term relationships, offering insights that go beyond compliance and helping organisations make confident, forward-looking decisions.

Clients choose us not only for our technical capabilities and industry expertise, but for our dynamically different approach, one that is collaborative, agile, and centred on delivering real value. This commitment has enabled us to work with many Saudi organisations for over two decades, supporting them through change, growth, and generational transition.

By combining deep local experience with global reach, we help dynamic organisations realise their ambitions, today and for the future.