Our dynamic team is united in camaraderie, working hand-in-hand with you to bring your visions to life.
WSA Construction + Planning : precision in planning, excellence in construction, integrity in service.
THE PRECISION THAT BUILD US
Our Journey
2008
WSA Studio — Vancouver
Aloysius Wahyu graduates with honors. Join Lynn T. Jones Interior Design. Establishes WSA Studio
2010
WSA Design — Indonesia
Founded with Andreas Bagas and Augustine Sally. Boga Group is among the first clients.
2011
First large private residence — 1,200 m2
High-end residential execution expertise established.
2017
WSA Construction + Planning founded
General contracting services launched.
2020
Direktorat Jenderal Pajak — 2,200 m2
Bernadeth Ingelia joins as partner.
2022
Global Manufacturing
In-house Tangerang facility operational, securing a 45,000 m2 theme park scale.
2023
TMII National Conservation — 40,000 m2
Taman Burung 34,000 m2 and Museum Komodo 5,969 m2 National heritage scale.
Sustainability consulting firm acquired.
2024
Healthcare Entry
Delivered first Siloam project.
2025
Siloam Clinic Senayan
Where 679 m² of healthcare precision meets elegant design.
The Opulent Lounge
An exclusive architect-collaborative exhibition at Plaza Indonesia, built for Vin.Da.Te Interior Architecture.
2026
The Next Standard
WSA strengthens its position as the preferred general contractor for architects, developers, institutions, and private homeowners seeking rigorous execution and fidelity to design intent.
Our Executive
Aloysius Wahyu
S.Agung
Chief Executive Officer
Bachelor of Information and Technology,
Monash University
Bachelor of Applied Science,
Columbia University
Bachelor of Applied Design,
Lasalle Collage (Cum Laude)
Master of Business Administration,
ITB (Summa Cum Laude)
Augustine Sally
W.Saputra
Chief Strategy & Financial Officer
Bachelor of Architecture,
Institut Teknologi Bandung
Master of Business Administration,
ITB (Summa Cum Laude)
Bernadeth Ingelia
W.Saputra
Chief Marketing & Operations Officer
Bachelor of Architecture,
Institut Teknologi Bandung
Master of Civil Engineering,
UPH (Magna Cum Laude)
Andreas Bagas
Yudanto
Co-Founding Partner
Bachelor of Architecture,
Universitas Atma Jaya
Our Teams
Hera Mestika
Project Executive
Sesilia Melissa
Project Executive
Cyta Susilawati
Assistant to the COO,
Operation Manager
Marcel Cahyo Utomo
Interior Project Director
Total Project
254
Regions
4
Provinces
12
Java
240
Project
Sumatra
22
Project
Kalimantan
6
Project
Sulawesi
4
Project
