Deliver precise land surveying and mapping services to help you plan, design, and build with confidence. Powered by modern technology and field-proven expertise.
A.R. Prasanna Alwis is a Chartered and Licensed Surveyor and Court Commissioner, registered with the Land Survey Council of Sri Lanka. He is a Fellow Member of the Surveyors Institute of Sri Lanka with over 18 years of local and international experience in land, engineering, and construction surveying.
Armed with a Master’s Degree in Regional Development & Planning from the University of Colombo, he specializes in delivering accurate, reliable, and modern surveying solutions using advanced GNSS and Total Station technology.
0775434341
Deliver accurate, on-time surveying solutions using trusted methods and advanced technology—tailored to meet the needs of every project.
Preparation of accurate survey plans and boundary definitions for legal, banking, and development purposes, ensuring precise and reliable property documentation.
Detailed terrain mapping using advanced instruments to create accurate contour maps, aiding design, engineering, and construction planning with reliable elevation data.
Boundary identification, land subdivision planning, and preparation of legal documents ensuring accuracy, ownership clarity, and compliance with national surveying regulations.
Choose A.R. Prasanna Alwis for professional, precise, and reliable surveying services. With over 18 years of experience, advanced GNSS technology, and a strong reputation for accuracy, he ensures every project is completed with integrity, efficiency, and exceptional quality delivering trusted results for individuals, developers, and legal professionals.
We deliver precise land insights to support smart, successful development
Discover how our accurate surveys and expert insights have supported successful planning, development, and construction across various land projects.
Setting out of the proposed new building of the
Japanese Embassy in SL Project, SMCC Ltd.
Survey and prepare legal survey plans related to
deed transferring and registration.
Supervision of initial survey works in proposed Ruwanpura Expressway from Kahathuduwa CH 0+00 to Ingiriya 24+300 Contract No.RDA/GOSL/REP/LCB under Road Development Authority.
Hear what our valued clients across Sri Lanka say about our trusted, precise, and professional land surveying services.
Accurate data is the foundation of every successful project. Partner with a team you can trust for precise, efficient, and expert land surveying services.
We provide a wide range of services including boundary and property surveys, topographic mapping, construction staking, land subdivision, as-built surveys, and GNSS/GPS-based data collection. Our services are tailored to meet the needs of developers, engineers, architects, and property owners.
The time required depends on the size and complexity of the property. A simple residential boundary survey can take 1–3 days, while larger or more technical surveys may take a week or more. We always strive to deliver accurate results within a reasonable timeframe.
A land survey ensures that property boundaries are clearly defined and helps prevent legal disputes or costly construction errors. It provides accurate data for site planning, design, and regulatory compliance, ensuring your project begins on solid ground.
We use modern GNSS (Global Navigation Satellite System) receivers, total stations, drones for aerial mapping, and advanced CAD/GIS software to deliver precise and reliable surveying results. Our team stays up to date with the latest surveying innovations.
Yes, especially if the previous survey is outdated or if there have been changes to the property (e.g., new construction, land division). Local authorities or lenders may also require an updated survey for permitting, development, or legal purposes.