About Us

Our firm provides outstanding service to our clients because of our dedication to the three underlying principles of professionalism, responsiveness and quality.



Our firm is one of the leading firms in the area. By combining our expertise, experience and the energy of our staff, each client receives close personal and professional attention.

Our high standards, service and specialized staff spell the difference between our outstanding performance, and other firms. We make sure that every client is served by the expertise of our whole firm.


Our firm is responsive. Companies who choose our firm rely on competent advice and fast, accurate personnel. We provide total financial services to individuals, large and small businesses and other agencies.

To see a listing of our services, please take a moment and look at our services page. Because we get new business from the people who know us best, client referrals have fueled our growth in the recent years.


An accounting firm is known for the quality of its service. Our firm’s reputation reflects the high standards we demand of ourselves.

Our primary goal as a trusted advisor is to be available and to provide insightful advice to enable our clients to make informed financial decisions. We do not accept anything less from ourselves and this is what we deliver to you.

Our high service quality and “raving fan” clients are the result of our commitment to excellence.

Founder and Managing Partner

Yasser Atiyyeh
Founder – Managing Partner

Yasser Atiyyeh is the Founder and Managing Director of XB4.  As a former Partner of PwC, and in Director and Senior Managerial positions at KPMG, Deloitte, and Ernst & Young, he spent most of his career working for Big 4 firms.  He brings with him more than 22 years of experience in providing top-tier professional Assurance, Advisory and Tax services to range of clients, from multi-national corporations to local clients and businesses, both in the Middle East (particularly the Gulf Region) and in the United States.

View full profile: Yasser Atiyyeh Profile

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Duabi, UAE

Business Bay, Crystal Tower

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