About
A Trusted Construction Company
Company History
During its early settlement on 1983, the company
operated under the name of CV. JAYA AGUNG. The
milestone began with major installation projects on Air
Conditioning System for both private and goverment-
owned projects.
With the pioneering efforts and business accumulation
by a management team lead by Mr. Robert Yonathan,
the company has earned reputation and set high
standards in the field of design, installation and
fabrication of Air Conditioning, Mechanical, Electrical,
Steel Structure, Civil, Architecture, Interior Works and
Trading.
As a result of the rigorous, extensive hard work, PT.
JAYANTARA ARTHA MANDIRI was established in 1994,
operating with diverse activities that encompass
Engineering Designs, Construction, and Maintenance,
gaining many accolades and had been awarded
with numerous prestigious MEP projects throughout
Indonesia.
Company History
During its early settlement on 1983, the company operated under the name of CV. JAYA AGUNG. The milestone began with major installation projects on Air Conditioning System for both private and goverment-owned projects.
With the pioneering efforts and business accumulation by a management team lead by Mr. Robert Yonathan, the company has earned reputation and set high standards in the field of design, installation and fabrication of Air Conditioning, Mechanical, Electrical, Steel Structure, Civil, Architecture, Interior Works and Trading.
As a result of the rigorous, extensive hard work, PT. JAYANTARA ARTHA MANDIRI was established in 1994, operating with diverse activities that encompass Engineering Designs, Construction, and Maintenance, gaining many accolades and had been awarded with numerous prestigious MEP projects throughout Indonesia.
1983
Since 1983
Proven Track Record That Spans For More Than 3 Decades
Our vision is to be the preferred choice construction company in Indonesia.
Our mission is to operate under the industry’s best practice and deliver results beyond standards to achieve enduring relationship with our valued clients.
Message from the President Director
Dear valued clients,
For More 30 Years, PT. Jayantara Artha Mandiri has operated under the ethic that every project should be accomplished on time, on budget and without compromising our clients objective.
Today, under the management of a professional team, our portfolios vary from infrastructural, commercial, governmental, institutional, industrial, to even residential.
We have successfully initiated, orchestrated and completed projects of virtually every size and complexity in the industry.In the constantly changing dynamics of the construction industry,
it’s vital to research current trends, procedures, and materials. It’s essential to integrate applied research, knowledge, and craftmanship.
Your project becomes our project from day one. Our name will
be forever attached to it, and we take this responsibility very
seriously. We commit all of our knowledge and resources to best
benefit your project.
Robert Yonathan
President Director
P.T. Jayantara Artha Mandiri
19
University
65
College
134
High School
218
Total Employee
Professional Qualification Index
We believe our people are our best assets and with the power of collaboration, we strive to bring forth high-quality works.
about team
Meet the expert
Project Engineer
Architect
Interior Designer
Interior Designer
Driven by our vision to deliver customer-oriented solutions, we are capable to work within the framework of your business be it from technical strategy, or financial efficiency, we are here to deliver top notch MEP solutions.
MVAC System Electrical System Fire Fighting System Plumbing System & Gas System
Ducting Works Piping Works & Air Conditioning Works




