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ABA-Alliance Partners

These are the partners that came togather and establish ABA-Alliance

William George Kihigwa

Partner (Audit & Advisory) , Dar es Salaam, Tanzania

William George Kihigwa joined ABA Alliance in 2010. He has been with ABA Alliance for over 12 years. With a focus on For Profit Making Organizations, William specialises in financial audits, other assurance services and accounting advisory services. Read more..

Sylvester Orao

Partner (Audit & Advisory) , Dar es Salaam

Sylvester holds a Bachelor of Arts Degree – Public Administration (UDSM) and is also a Certified Public Accountant (CPA - PP) and Certified Information Systems Auditor (CISA). Read more..

Nyakorema S. Mosabi

Partner (Tax & Compliance), Dar es Salaam, Tanzania

Mostly known to clients and alike as Samuel or Mosabi, is a Registered Tax Consultant with Tanzania Revenue Authority (TRA) and currently one of the three Partners at ABA Alliance where he leads Tax and Advisory Services. Read more..


ABA Alliance is an emerging professional firm whose strength in the market revolves around the number and mix of partners with wealth of professional experience.

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Contact info

ABA Alliance values integrity, respect and relationship-building as essential factors in service delivery.

  • 10th Floor, PSSSF Commercial Complex, Along Sam Nujoma Road
  • +255 765 000 198; +255 22 246 1893
  • P.O. Box 11621