Our mission

TGS AU Partners was formed to bring professional expertise from the experts to support the sustainability of client’s business.

The differences

  • We work close with our clients, ensure the process is perform smooth.
  • The engagement is directly handled by our partners and experts.
  • When we find any issues faced by our clients, we will analyse from many perspectives.
  • We ensure to deliver integrated services and comprehensive solution.

Our experience

Tax Consulting and Compliance service
Accounting and book keeping services

Our key management

Our professional team gain intensive experience with private sector, public service sectors, and government. Our key personnels are registered practicing accountant who has been experience with large scale professional engagements, and serves in professional associations in Indonesia. Our people are considered as the best talent. We organize the team to perform the work across diffferent services at the same time, such as auditing and tax, or accounting – or advisory on different project. The whole process accelerate our people to gain complete skill-sets to provide practical solution to our clients.

Mikail Jaman Ak, M.Ak, CPA, CA

CEO of TGS AU Partners Partner of Audit & Tax Consulting

Chief executive officer of TGS AU Partners and partner of KAP Agus Ubaidillah dan Rekan. Specialist on auditing and tax consulting in Indonesia. Member of Committee of Implementation of Professional Standard at the Indonesian Institute of Certified Public Accountants. Master degree on tax accounting from Universitas Indonesia with thesis on transfer pricing.

Drs Agus Ubaidillah Ak CPA CA

Managing Partner of KAP Agus Ubaidillah & Rekan

Specialist on auditing & assurance services and business consulting. Founder of KAP Agus Ubaidillah dan Rekan. Bachelor degree of economic from Universitas Padjajaran. Member of Institut Akuntan Publik Indonesia and Ikatan Akuntan Indonesia.

Venna Priscilla., SE., Ak


Specialist on tax compliance and consulting. Bachelor degree from Universitas Indonesia. Formerly work as tax consultant in one of the largest tax consulting firm in Indonesia.

Dian Novita Sari SE MM


Specialist on Auditing and Tax Compliance Services. Previously worked with one of the big 6 accounting firm in Indonesia. Master of management degree from Universitas Indonesia.


  • We can confidently recommend KAP Agus Ubaidillah & Rekan* as a good professional partner, and experts in their field. (Tomasz Wilk, Geofizyka Toruń, 2014).

    *KAP Agus Ubaidillah dan Rekan (referred to TGS AU Partners)

    Tomaz Wilk – Geofizyka Toruń
    Head of Business Development

Some of our clients

Our clients mostly are multinational companies and non for profit organization, such as American Chamber of Commerce in Indonesia, Castle Asia, Bower Group Asia, Santa Fe Relocation, MAA Assurance Group, Chubb Insurance Group, Money Gram, Galtam Pacific Minerals and Galtam Sumatera Minerals, Oxford Policy Management, Geofizyka Torun, DKT Indonesia, Cargill Group, Shun Shing Group, Japacoco.co.id & My-Samurai.com, Punj Lloyd Group of Companies in Indonesia.

Years of Experience

Professional Staffs