Direct Tax
Corporate Tax Advisory
Indirect Tax
GST/VAT Compliance & Advisory
Tax Litigation & Dispute Resolution
Tax Appeals & Representation
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Describe the decision, uncertainty or objective in ordinary business language.
Start with a country and move into the business issues, expertise and people around it.
Each area of expertise connects to the markets, business situations and professionals around it.
Ten broad industry groups open into one hundred detailed business activities and markets.
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Market signals, practical context, client work and conversations around live cross-border decisions.
WONE firm profile
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The company was founded by the chartered accountant Abdullah Yousef Al-Hussaini, holding license No. 992, and who has extensive and different experience that made him distinguished in knowledge and in providing accounting and professional services in accordance with the best international practices. Where the founding…

Firm capabilities and WONE Partnership exclusivity are governed separately. Aggregate practice areas reflect professional expertise across the firm, while exclusive Partnership is granted per approved capability and jurisdiction.
The company was founded by the chartered accountant Abdullah Yousef Al-Hussaini, holding license No. 992, and who has extensive and different experience that made him distinguished in knowledge and in providing accounting and professional services in accordance with the best international practices. Where the founding…
7 WONE capabilities represented across 1 linked professional.
Lead Partner: Abdullah Yousef Alhussaini (Founding Partner)
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Corporate Tax Advisory
GST/VAT Compliance & Advisory
Tax Appeals & Representation
Company Audits · Bank Audits · Government/PSU Audits
Risk-Based Internal Audits · Process & Controls Audit
Fraud Detection · Investigative Audit
Financial Due Diligence · Transaction/Acquisition Audits
Cost & Efficiency Audits · Operations/Process Audits
Independent assurance across financial reporting, controls and other areas where cross-border stakeholders require confidence.
↗02Tax and structuring decisions for businesses, investments and transactions that operate across more than one jurisdiction.
↗03Accounting, reporting and statutory compliance needed to keep international operations accurate, current and locally compliant.
↗04Compliance and financial-integrity support across sanctions, anti-bribery, AML, third-party risk and related controls.
↗05Cross-border dispute strategy and resolution where contracts, assets, counterparties or proceedings span jurisdictions.
↗06Regulatory strategy, approvals and engagement where business activity depends on government or sector-specific requirements.
↗07Cross-border transaction support from early structuring and diligence through signing, closing and integration.
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