Building the Future,
Powering Tomorrow.

A tightly integrated group delivering resilient infrastructure, renewable energy, and precision surveying across Sri Lanka and beyond.

Explore Our Capabilities View Recent Works

Purpose-Driven Engineering

Ceylon Sustainable Solutions (Pvt) Ltd (CSS) is more than a business—it's a purpose-driven engineering and construction group accelerating Sri Lanka's transition to low-carbon infrastructure.

"Infrastructure must advance human progress while protecting the planet we share."

— Dr. Sunil Jayantha Nawaratne, Chairman

  • Local Knowledge, Global Standards
  • Sustainability by Design
  • Proven Delivery Track Record

Our Vision

To lead the transformation toward a sustainable future by integrating construction, renewable energy, and surveying excellence that empowers communities through innovation.

Our Mission

To design, build, and implement sustainable infrastructure and clean energy systems supported by precise surveying and engineering expertise.

The CSS Ecosystem

Under strategic leadership, each company brings distinct capabilities combined for faster outcomes.

Ceylon Sustainable Solutions (Holding)

Provides top-level strategy, project finance coordination, client relationship management, and quality governance. Acts as the single contracting interface.

Strategy & Governance

CSS Constructions (Pvt) Ltd

Turnkey builds for commercial, industrial, and utility projects. Expertise in groundwork and structural erection.

Civil & Structural Delivery

GeoAxis Engineering (Pvt) Ltd

Advanced surveying, drone mapping, LiDAR, and 3D topographic modelling for data-driven decision making.

Surveying & Geospatial Intelligence

Thambapanni Network (Pvt) Ltd

Designs and implements CCTV, access control, structured cabling, and Wi-Fi/ELV systems.

Smart Systems & ELV Integration

Global Energy Market (Pvt) Ltd

Develops global solar PV projects, sources equipment, and manages market entry for revenue assurance.

Energy Development & Market

Comprehensive Service Suite

Integrated Project Delivery (EPC)

Single-point contracting: Feasibility → Survey → Design → Construction → Commissioning → Operation.

Delivered by Ceylon Sustainable Solutions (Pvt) Ltd. Reduces hand-off risk and shortens timelines.

Solar PV & Renewable Energy
  • Site assessment & string/inverter architecture
  • Civil mounting, electrical BOS, and commissioning
  • Grid-connected & off-grid battery integration
  • O&M contracts & remote monitoring (SCADA)

Supported by Global Energy Market (Pvt) Ltd.

Engineering & Precision Surveying

Topographic surveys, drone photogrammetry, LiDAR & 3D modelling to de-risk design.

Specialist: GeoAxis Engineering (Pvt) Ltd.

Smart Systems & ELV Security

CCTV, access control, structured cabling, Wi-Fi, and building automation integration.

Delivered by Thambapanni Network (Pvt) Ltd.

GeoAxis Division

Instrument Hiring

Access high-precision equipment without capital investment. Ensuring quality measurements, faster workflows, and dependable results.

Service Options
Dry Hire

Equipment supplied with calibration certification.

Operator-Assisted Hire

Qualified technicians available for layout work.

Project-Based Hire

Long-term allocation for construction/solar farms.

Available Equipment Fleet

Total Stations
Auto Levels & Digital
GNSS / GPS Survey
LiDAR Scanning Units
Drone Surveying Systems
3D Mapping Tools

Recent Projects

MW-Scale Solar Facilities

Kekanadura Solar

Kekanadura Solar Facility

Client: Vallibel Power Erathna PLC

13.69 MWp Delivered
Aparakka Solar

Aparakka Ground-Mount Farm

Client: Aventura Innovative Solutions

5 MWp Delivered
Habarana Solar

Habarana & Kurunegala Projects

Client: Hayleys Electronic Limited

2.6 MWp 1.4 MWp

Other Infrastructure Works

Executing diverse civil projects including flood protection works, housing developments, roadworks, OVCBs, and MDB installations.

Housing • Roads • Fencing • Electrical

Sectors We Serve

Industrial & Utilities

Heavy plant foundations, electrical installations, and specialized safety systems.

Commercial Construction

Warehouses, factories, offices, MEP installation, and smart-home integration.

Rural Electrification

Off-grid solar, irrigation power solutions, and community electrification.

Our Clients

Trusted partners building a sustainable Sri Lanka

Hayleys Electronics
Solar Two
Aventura
Hayleys Fentons
Vallibel Power

Authorized Service Provider For

Jinko Solar
Huawei
Fimer
Solis
JA Solar
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