Structural foundations
Operations began with structural work for apartment and infrastructure projects.
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An award-winning Sri Lankan design and engineering practice
Structa Engineering and Contractors (Pvt) Ltd brings house planning, architecture, engineering, interiors and construction documentation into one coordinated practice.
Residential design
Architecture, interiors and coordinated house-design services joined the practice.
One connected team
More than 2,000 house designs supported by an ISO-certified quality system.
Audited quality management
ISO 9001:2015 certified design practice.
Structa’s quality-management system is certified for consultation, designing and developing architectural drawings for houses and commercial buildings.
- Certificate
- 44 100 25396408
- Certification body
- TUV NORD CERT GmbH
- Audit report
- SRL/AUD/25-26/3832
- Valid
- 15 August 2025 – 14 August 2028
- Accreditation
- DAkkS D-ZM-12007-01-00
For the official database search, enter certificate number 4410025396408 without spaces.
Awards and independent coverage
Recognition that can be verified.
Rather than asking visitors to take a marketing claim on trust, Structa links each major recognition to the independent publication that reported it.
2025International firm award
Trusted & Innovative Architectural Design, Construction & Interior Design Firm of the Year
National Architecture and Interior Design Excellence Awards 2025, Global Edition — Residential, Commercial & Futuristic Design Approach.
Read the published source2025South Asia individual award
30 Under 30 Trendsetter & Creative Designer of the Year
Awarded to Structa founder Eng. Rajmohan Rajragavan for creative design and leadership.
Read the published source2025Leadership feature
CEO Magazine Sri Lanka — Dare to Lead
Eng. Rajmohan Rajragavan was profiled in the Dare to Lead 2025 edition in “Building Dreams, One Structure at a Time”.
Read the published sourceIndustry participation
Co-sponsor of the Kedella Colombo Trade Fair 2024.
House Design Sri Lanka, the Structa residential-design brand, co-sponsored the Kedella Colombo Trade Fair at BMICH in September 2024. The construction exhibition brought together homeowners, professionals and suppliers from across Sri Lanka.
Read the Daily Mirror reportResidential, commercial and institutional work
Selected organisations in Structa’s client portfolio.
Alongside residential clients, Structa reports project experience with local and international organisations across education, hospitality, retail, food service, automotive and professional services.
Organisation names and marks identify clients Structa reports having worked with; no endorsement or continuing affiliation is implied.
International client reach
Sri Lankan expertise, shared across borders.
Structa’s client relationships and design collaborations extend beyond Sri Lanka, including homeowners and organisations connected to the following countries and markets.
- United Kingdom
- Canada
- Japan
- New Zealand
- Poland
- Israel
- United Arab Emirates
- Saudi Arabia
- Qatar
- United States
- Norway
- South Korea
- Denmark
- Germany
- Switzerland
- Italy
- Türkiye
- India
- Indonesia
- Malaysia
- France
- Australia
Listen first
The brief begins with the land, family, priorities and practical constraints.
Coordinate early
Architecture, structure and services are considered before conflicts reach site.
Make it visible
Plans, 3D views and VR walkthroughs make important decisions easier to understand.
Document clearly
Drawings, schedules and quantities give construction teams a stronger basis to work from.
Begin with a conversation