About Us

Company Profile

Jamaludin, Ardi, Sukimto & Rekan (JAS) Public Accountant Firm was founded by Dr. Jamaludin Iskak, M.Si., Ak., CA., CPA., CPI., ASEAN CPA., Dr. Jonnardi Sutan, SE., Ak., MM., CA., CPA., and Drs. Sukimto Sjamsuli, Ak., BKP., CA., CPA, on January 27, 2009.

JAS dated back to 2009 when Dr. Jamaludin Iskak, M.Si., Ak., CA., CPA., CPI., ASEAN CPA. was the Managing Partner of Jamaludin Iskak Public Accountant Firm that was founded in 2004, Dr. Jonnardi Sutan, SE., Ak., MM., CA., CPA.. was the Managing Partner of Aria & Jonnardi Public Accountant Firm that was founded in 2003 and Drs. Sukimto Sjamsuli, Ak., BKP., CA., CPA was the Managing Partner of Sukimto Sjamsuli Public Accountant Firm that was founded in 2003.

JAS is registered with the Ministry of Finance Republic of Indonesia, Directorate General of Taxes (DJP), Indonesia Financial Services Authority (OJK), The Audit Board of the Republic of Indonesia (BPK), Indonesian Institute of Certified Public Accountants (IAPI) and Institute of Indonesia Chartered Accountants (IAI). The Partners are licensed with the Capital Market, Banking, and Non-Bank Financial Industry (OJK). The Partners are also certified with The Audit Board of the Republic of Indonesia (BPK) and Certified Professional Investigator (CPI).

JAS is a member of Audittrust International – The Institute for International Business located in Germany.

Within the practice, JAS has dedicated industry groups including financial services, energy and resources, government and public sector, mining, oil and gas, manufacturing, consumer business, plantation, construction, property, hospitality, and many other industries – combining insight and innovation from multiple disciplines using business knowledge and industry depth with the breadth of professional expertise to help clients exceed their expectations in the complexity of the global business environment.

Our firm consist of 9 Partners and more than 200 professional staffs located in one head office, two branch offices and two workshops. We believe that building responsive and responsible relationships with our clients will help you to grow faster and stronger from the ground up, and our simple aim is to deliver to you the services that meet your needs. We are well prepared to assist you from ground level to achieve the highest success, whether you are a start-up or an established enterprise looking to take the next step up.

Our goal is clear, and our people are guided by “3 Cs”





Which we consider to be a symbol of our strength and unity.

Our commitment is to assist our clients and our people to excel. Our focus is not on increasing the number of clients and people, but more on helping our clients, hand in hand, to improve and do better business, always supported by our qualified and dedicated professionals.

Our Vision

To be recognized as the leader at partnering our clients and each other for mutual success by rendering professional value-added services to support our client’s target, providing rewarding professional and enjoyable working culture.

Our Mission

To provide high quality services in serving needs of clients, primarily in audit & assurance, accounting, taxation and advisory services.

Our Beliefs

An important part of understanding the JAS’s approach is rooted in key beliefs that all our people carry with them in their day to day work, and interaction with each other and with clients.

Our People

At JAS, people is more than just an asset, they are our precious resources. That’s why we always treat our people as a part of big family instead of as an employee. We break free from the “conventional-bureaucracy” hierarchy system which may most organization adopt and moving to “modern-transparent” working environment. We believed that to be a winning team, we have to get along together, being equal but in proportional well-mannered and worked as a team.

Our commitment to serve you better is a must and there is no room to bargain in any matters. We understand that to have this commitment is through quality people. We recruit talented, motivated and disciplined individuals, with good attitudes and a high degree of integrity; eager to learn as well as share their own knowledge and experiences. Besides the relevant academic qualification and industry experiences, our people are proactive, trustworthy, responsive and committed. We are committed to invest in our people, which are why we conduct various development programs to support and encourage continuing education of our professionals.

Our people are easy to access without the hassle of bureaucracy. We believe by adding a personal touch and not just being a service provider, we could become your trusted partner, while at the same time, maintaining the independence and objectivity essential to a sound and professional relationship. Our services do not stop at the scope that we are engaged for but professionally, highlighting other areas that are of value-add to your business.

JAS’s core Employment Value Proposition (EVP)

JAS’s primary EVP is that “JAS. Because Relationships Matter”: those we build with clients, and those we foster internally with colleagues. By focusing on our EVP attributes below, we can ensure that we are placing the right people in the right environment, resulting exceptional client service.

  • Clients know the people they are dealing with, creating a relationship that ensures everyone feels valued and understood
  • Employees are more invested and empowered due to direct client access
  • Within JAS, employees develop strong working relationships through proximity to partners and managers
  • Clients benefit from JAS’s collective expertise
  • Employees learn from each other and enhance their skills, while at the same time providing superior client service

Customized career paths are designed according to the strengths, skills, and personality of each employee, promoting personal and professional growth

  • Our clients can access us where and when they need us
  • Employees can live and work in the communities that meet their needs, now and in the future
JAS’s core Ethical Principles (EP)

JAS ethical principles provide the foundation for ethical behavior that unites all employees in all JAS offices. In particular, these 8 principles offer guidance about appropriate ethical and professional conduct covering areas that are critically important to our clients and people.

Our Licenses

We are registered in institutional government and organizational as follows