Trusted engineering solutions for lasting construction.
Our ServicesFrom planning to execution — precision at every step
Our ServicesProfessional consulting for sound and sustainable structures.
Our ServicesSoundness Engineering Consultancy (SEC) is a multi-disciplinary consulting firm in the field of engineering registered on 2076 B.S. (2019 A.D.) under the Government of Nepal. SEC is committed to provide excellent quality consultancy services for development of Nepal. Its Mission Statement is Committed to Provide Quality Consultancy Services for modern development of the society of Nepal
Registered & Trusted
Quality-Focused
Expert Team
Feasibility study, design, and consultancy for hydropower projects to support clean and renewable energy development.
Design and supervision of clean water supply systems and modern sanitation infrastructure for healthier communities.
Solutions for effective water management through irrigation design and river training to prevent erosion and flooding.
Planning and engineering of safe and sustainable roads and bridges to ensure efficient, durable, and cost-effective transportation infrastructure.
Design, estimate, valuation, and supervision of residential, commercial, and institutional buildings with a focus on safety and sustainability.
A structured approach that ensures every project is planned, executed, and delivered with precision and quality.

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Preparation of Details Design, Estimation and interior design of new and Old Building of Dang Branch Office
Building and Interior Design
Preparation of details survey, Design, Drawing, Cost Estimation, BOQ and Other works of ADBL of Janakpur Conference Hall
Building and Interior Design
Preparation of Master Plan and Detail Project Report of Kalika Temple Area,Ward 5 and Ramkot Durbar, Ward 8
Building and Interior Design
Preparation of Details Design, Estimation and interior design of new and Old Building of Dang Branch Office
Building and Interior Design
Preparation of details survey, Design, Drawing, Cost Estimation, BOQ and Other works of ADBL of Janakpur Conference Hall
Building and Interior Design
Preparation of Master Plan and Detail Project Report of Kalika Temple Area,Ward 5 and Ramkot Durbar, Ward 8
Building and Interior Design






The team at Soundness Engineering Consultancy delivered exactly what we needed—professional, timely, and highly reliable service. We’re truly satisfied with their dedication and expertise.
From survey to final supervision, SEC handled our hydropower project with great precision. Their technical knowledge and commitment to quality really impressed us.
We hired SEC for a bridge and highway project, and they exceeded our expectations. Clear communication and attention to safety made the entire process smooth and successful.
Soundness Engineering Consultancy is a dependable partner for any construction project. Their strategic approach and innovative ideas made a big difference in our infrastructure planning.