Electrical Engineering
Power distribution, lighting, backup systems and more for reliable operations.
PEC 2017
Professional Engineering Services
Building Safe, Efficient & Sustainable Spaces
Sonja Engineering provides complete building engineering systems, from design and installation to testing and maintenance. BFP-compliant, code-compliant work, complete with permits.
- BFP Compliant
- Complete with Permits
- PRC-Licensed Engineers
- DTI & LGU Registered
Our Services
Complete Building Engineering Systems
We specialize in the design, installation, testing and maintenance of essential building systems, ensuring safety, efficiency and long-term performance.
Mechanical Engineering
HVAC, ventilation, smoke control and stair pressurization for comfort and safety.
Philippine Mechanical Code
Fire Protection Engineering
Sprinklers, fire pumps, standpipes and kitchen suppression for your peace of mind.
RA 9514 · NFPA 13 / 20
FDAS Engineering
Fire detection, alarm, public address and safety systems for faster response.
RA 9514 · NFPA 72
Plumbing Engineering
Water supply, drainage and sanitary systems for a healthier environment.
National Plumbing Code
About Sonja Engineering
Your Trusted Engineering Partner
Sonja Engineering is a team of PRC-licensed engineers delivering high-quality building engineering systems across Cavite, Laguna and Metro Manila. Every system we deliver is BFP compliant and handed over complete with permits and documents.
- Fire Code (RA 9514) compliant
- Signed & sealed MEPF plans
- FSEC & FSIC requirements
- Electrical, mechanical & plumbing permits
- Testing & commissioning reports
- Preventive maintenance (PMS)
Why Choose Us
Experience. Expertise. Excellence.
PRC-Licensed Engineers
Qualified and experienced professionals.
BFP Compliant
Designed and built to the Fire Code.
Complete with Permits
Plans, permits and turnover documents included.
On-Time Delivery
We value your time and trust.
Sustainable Future
Energy-efficient and environmentally responsible.
Our Projects
Engineering Solutions in Action
From site coordination to fire pump rooms and rooftop HVAC, see the kind of work our team delivers every day.
Start Your Project →
Let's Work Together
Need a Reliable Engineering Partner?
Contact us today for a consultation or project inquiry.
- 0908 269 5353
- info.sonjaengineering@gmail.com
- Dasmariñas, Cavite · Mon–Sat, 8 AM–6 PM