About Us

PT. Ultra Mandiri Telekomunikasi (UMT) had been incorporated as a subsidiary of PT. PP Infrastruktur focusing on providing telecommunications infrastructure (fiber optic).

With the spirit of hard work, smart, professional, discipline and combined with high integrity, PT. UMT is committed to provide the best products and services for the satisfaction of its customers.

Therefore, the best results and company growth can then be envisaged.

Become the trusted and reliable telecommunication infrastructure provider & continue to provide better and higher values for the shareholders.

To create and provide the best products and services for customers, eventually to produce the best results for the company, employees and shareholders.

Corporate Values


Customer satisfaction oriented.
Responsive and Proactive.


Competent and responsible.
Work hard, work smart & Innovative.
Be responsible on any tasks.
Be flexible and agile.
Willing to learn and continuous improvement.


Code of conduct.
Obey the laws and ethical regulations.
Commit to any promises or appointments.
On time.


Prioritize the interests of the company.
Be honest and transparent.
Trustful in carrying out tasks.


Be courteous, have tolerance and respectful to others.
Have faith and be piety.
Positive thinking.
Work sincerely.



Company Name : PT. Ultra Mandiri Telekomunikasi

Shareholding :

a. PT. PP Infrastruktur (99%)

b. Yayasan Kesejahteraan Karyawan Perusahaan Pembangunan (1%)

Field of Business : Telecommunication Infrastructure (Fiber Optic)

Commissioner : Mayjend Adi Sudaryanto

President Director : Yohannes Ariel


Management Profile

didik mardiyanto

Mayjend Adi Sudaryanto | Commissioner

Prior to being appointed as Commissioner of PT. Ultra Mandiri Telekomunikasi in 2021, he was the Commisioner of PT. JMKT (JASA MARGA KUALANAMU TOLL).

Yohannes Ariel | President Director

Born in Pekalongan, 24 Juni 1985. He served as President Director of PT. UMT on October 2020, Graduated from Diponegoro University in Electrical Engineering in 2007. Previously, he served as Project Manager of PT. PP (Persero) Tbk in Infrastructure-2 Division (2017 – 2020), Project Manager of PT. PP (Persero) Tbk in Branch 6 Kalimantan (2014 – 2017), Construction Manager of PT. PP (Persero) Tbk in Branch 2 Palembang (2013 – 2014).

Company Policy

Visi Misi

Contact Us

0878 7955 5652

Head Office

Ayoma Apartment
Jl Raya Ciater Barat, Tangerang Selatan   Banten 15310- Indonesia

Monday-Friday: 8am – 5pm

Get Started

Need your own high capacity and security fiber optic network infrastructure?