Welcome to the official website of Sign Tech Advertising Services (Pvt) Ltd   For more than 25 years, Sign Tech has been in the forefront of Sri Lanka's Signage industry and the BTL advertising industry as Sri Lanka's no. 1 sign maker with many of our signs covering the length and breadth of the country.   Sign Tech provides a complete one-stop-shop for all your advertising needs. From individuals looking for a single name board or a gift to multi-national companies or banks looking for corporate signage for their expansive branch network, Sign Tech has the solutions for all your needs.