Welcome to Assidua Technologies!
We are committed to delivering reliable and future-ready power solutions that drive business continuity and growth. With a focus on innovation, efficiency, and long-term sustainability, we serve evolving industries with precision and care. Our expertise and dedication ensure that your power infrastructure is always one step ahead. At Assidua, we do more than power systems — we power success.
Our Leadership
Mr. Vengadasalam Nadarajah
Chairman – Assidua Technologies (Pvt) Ltd
Mr. Vengadasalam Nadarajah is a distinguished business leader whose strategic foresight and multi-industry influence have shaped Sri Lanka’s pharmaceutical, healthcare, technology, and engineering sectors. He began his career at the State Pharmaceuticals Corporation, where he gained deep insights into market behavior and healthcare demands; expertise that accelerated his rise through leadership roles.
His impact grew significantly as CEO of Pharma Associates and later as Chairman of several major pharmaceutical enterprises, including Celogen Lanka and Kelun Lifesciences, Sri Lanka’s EU GMP-certified manufacturers. He also chairs Axia, Diyatha Pharmaceutical & Healthcare, and Pharmaestica Lanka, guiding each organization toward operational excellence and sustainable growth.
Beyond pharmaceuticals, his leadership extends to technology and engineering as Chairman of Assidua Technologies. A transformative and ethical leader, Mr. Nadarajah continues to shape industries, strengthen national capabilities, and drive long-term economic progress.
Mr. Nadarajah Rishikumar
Director - Assidua Technologies (Pvt) Ltd
Mr. Nadarajah Rishikumar brings strategic vision, analytical depth, and cross-industry leadership to Assidua Technologies. With a BSc from LSE, an MBA with Distinction from Cambridge Judge Business School, and HMX Pharmacology from Harvard Medical School, he blends business strategy with scientific insight; strengthening Assidua’s multidisciplinary approach.
He began his career at Moody’s Analytics Knowledge Services before working with global organizations such as the British Antarctic Survey, Native Design, and AzurA. In 2016, he transformed Celogen Lanka into Sri Lanka’s largest pharmaceutical manufacturer, leading it to achieve EU GMP certification in 2024.
At Assidua, he guides corporate strategy, innovation, and long-term capability building. His commitment to responsible progress and global standards continues to drive the company’s growth and regional impact.
Mr. Hewa Walgamage Roshan
Chief Finance Officer – Assidua Technologies (Pvt) Ltd
Mr. Hewa Walgamage Roshan brings over 15 years of financial expertise that has been instrumental to Assidua’s stability and growth. Armed with an MBA in Finance from Cardiff Metropolitan University, he has led financial strategy, governance, and performance across a diversified group spanning pharmaceuticals, healthcare, technology, and real estate.
His journey from Accountant to CFO - shaped through key roles at Pharma Associates and later across companies including Celogen Lanka and Kelun Lifesciences reflects his mastery in building strong financial frameworks and ensuring compliance with global standards. His disciplined, data-driven leadership continues to strengthen Assidua’s financial resilience and supports the group’s expansion into new markets and industries.
Mr. R. Sadishkumar
Founder & Director – Assidua Technologies (Pvt) Ltd
Mr. R. Sadishkumar is the visionary behind Assidua Technologies, a company he founded in 2012 and built into one of Sri Lanka’s most trusted names in power and engineering solutions. With over 35 years of industry expertise, he brings technical mastery, strategic clarity, and an unwavering commitment to excellence.
Educated at St. Anthony’s College, Wattala, and trained at the German Technical College in Electrical and Electronics, he established a foundation of precision and problem-solving that defines his leadership. His deep experience in UPS systems, power conditioning, and engineering innovation has shaped Assidua’s reputation for reliability and foresight.
Respected for his integrity and resilience, he continues to guide Assidua’s growth ensuring the company remains grounded in its founding principles while embracing new opportunities and emerging technologies.
Our Vision & Mission
Our Mission
At Assidua Technologies, we are committed to delivering high-quality power solutions backed by exceptional customer service. We prioritize reliability, innovation, and long-term partnerships to ensure our clients receive the best value for their investment.
Our Vision
To be the leading provider of innovative power solutions in the region, empowering businesses and communities with reliable, sustainable, and cutting-edge technology that drives growth and prosperity for generations to come.
Our Values
We go above and beyond to provide value to our customers’ businesses through integrity, reliability, and innovation, delivering dependable power solutions. By exceeding expectations and embracing sustainability, we support their success while benefiting employees and the environment.
We uphold transparency, honesty, and professionalism in all that we do.
Our customers can count on us for consistent power solutions and exceptional service.
Our customers are at the heart of our business, and we go above and beyond to meet their needs.
We leverage cutting-edge technology to enhance our products and services continuously.
We are dedicated to responsible practices that support our customers, employees, and the environment.
Driven by expertise and precision, we deliver reliable power solutions that meet the highest standards of quality and performance.