
Kinwajaya: Leading Construction Company in Penang
About Kinwajaya
Always Deliver
With over 20 years of expertise, KINWAJAYA stands as a trusted building construction contractor, transforming more than 30 commercial workspaces across Malaysia.
Our construction company, based in Penang, specializes in delivering tailored building construction and renovation services for a broader range of sectors, including offices, factories, educational institutions, heritage buildings, kitchens, and comprehensive maintenance services.
With deep industry knowledge, we provide strategic advice to clients, ensuring their commercial building projects consistently achieve desired results. This dedication has earned the trust of multinational companies, restaurant franchises, and local schools. We take pride in delivering quality, reliability, and lasting value in every project.

A Legacy Build on Integrity and Dedication
Kinwajaya Construction, a leading construction company in Penang, traces its roots to Mr. Koay Kok Sin. At just 16 years old, he began mastering the art of renovation with sincerity, professionalism, and an unwavering commitment to excellence. Through years of dedication, Mr. Koay transformed his apprenticeship into a thriving business renowned for its craftsmanship and reliability.
This legacy was meticulously passed on to his son, Mr. Koay Kuan Yeong, a civil engineering master’s graduate from the UK. Under his leadership, Kinwajaya has evolved into a modern building construction contractor specializing in commercial renovation and construction across diverse sectors.
Today, Mr. Koay Kuan Yeong continues to uphold his father’s vision by blending traditional values with innovative digital strategies. This fusion is designed to offer our customers unparalleled value and provide the market with superior renovation and construction options.
Our Culture
At Kinwajaya Construction, we uphold the foundational principles of integrity and dedication, values instilled by our founder, Mr. Koay Kok Sin. We engage with every client with patience and meticulous attention, ensuring all project details align perfectly with client expectations.
We foster a culture of mutual respect, treating each team member with fairness and dignity. When errors occur, we take responsibility quickly, addressing and correcting them to maintain our standards. Committed to creating a healthy and progressive work environment, we strive continuously to empower our employees and enhance our workplace.
Our Vision
We aspire to be Malaysia’s leading renovation contractor, renowned for our steadfast commitment to quality, innovation, and customer satisfaction. We are dedicated to bridging the gap between traditional craftsmanship and modern demands through seamless communication and timely project delivery.
Our vision extends to embracing digital transformation to enhance efficiency, improve client satisfaction, and capture a broader market share. By assembling a team of exceptional individuals, we aim to achieve outstanding results and share the rewards of our collective success, all while preserving the legacy of craftsmanship that defines our work.
Our Mission
We dedicated to seamlessly connect traditional renovation and construction expertise with the evolving demands of corporate business owners, tackle communication costs and streamline project delivery to enhance client satisfaction and operational efficiency, offering superior renovation and construction solutions that consistently surpass client expectations.
We committed to continuous innovation, we adapt our services to changing market conditions, leveraging digital marketing and operational digitalization to maximize value for our clients.
We strive to cultivate top talent in the fields of renovation and construction by providing a dynamic platform that fosters growth and development for enthusiastic professionals.
Don’t Just Take Our Words
See what our valued clients say about KINWAJAYA, trusted building construction contractor in Malaysia
Our 4-Step Construction Process
KINWAJAYA Construction Approach: A streamlined process for exceptional results,
reflecting our expertise as a trusted construction company in Penang

1. On-Site Consultations
Assessing your space on-site for tailored advice and smooth execution.

2. Design & Construction Estimate
Providing detailed, transparent cost projections for your project.
3. Preconstruction Design
Transforming ideas into comprehensive, tailored plans for your renovation.

4. The Finishing
Touches
Adding meticulous final touches to set your space apart.

Our Quality Guarantee
At KINWAJAYA, quality isn’t just a goal — it’s a guarantee
As a leading construction company in Penang, we've built our reputation on delivering top-notch renovation & construction services. Whether you need a building construction contractor for a complex project or a simple renovation, our commitment to quality underpins every project. We strive to exceed expectations by combining professionalism, expertise, and attention to detail with durable results that stand the test of time.
Quality Control
As a trusted building construction contractor to uphold quality guarantees, we implement stringent quality control measures in place. From the initial planning to the final installation, every stage undergoes rigorous checks to meet the highest standards. We use only top-quality materials and employ the best industry practices to deliver durable and aesthetically pleasing results.
Customer Satisfaction
Our commitment to quality is reflected in our dedication to customer satisfaction. As a client-focused construction company in Penang, we listen to your needs and feedback, ensuring your expectations are met. We go the extra mile to deliver a finished project that aligns with your vision.
Continuous Improvement
Our quality guarantee also involves a commitment to continuous improvement. We stay updated with the latest industry trends and technologies to enhance our services. By investing in training and development for our team, we ensure that our work as a building construction contractor consistently meets evolving standards.
In conclusion, our quality guarantee is more than just a promise—it's the essence of who we are and what we do at Kinwajaya Construction. It's our commitment to delivering top-notch services as a reliable building construction contractor, exceeding client expectations, and continuously improving.
Kinwajaya Construction is not just your service provider, we’re your partner committed to quality, excellence, and your satisfaction.
Frequently Asked Question
-
Does KINWAJAYA provides construction service in addition to renovation?Yes, as one of the leading renovation contractors in Penang, we provide comprehensive service including commercial construction and reno, interior construction and furnishing, as well as mechanical and utility systems installation. See what services we cover here.
-
Which areas does KINWAJAYA covers?Our renovation contractor and construction company is based in Penang, but we also extend our service coverage to Kedah.
-
What types of commercial sectors does KINWAJAYA specialize in?As a top construction company in Penang, we are expanding sector coverage. Currently, we specialize in offices, retail stores, food & beverage establishments, schools and factories.
-
How is renovation cost determined at KINWAJAYA?Our renovation costs are based on the following factors: ✔ Type of renovation service ✔ Size & complexity of renovation ✔ Type of finishing materials used ✔ Project timeline ✔ Custom requirements Consult us today!
-
How to get a quote from KINWAJAYA?To obtain a quote, please take photos of the space you plan to renovate and send them to kykoay@kinwajaya.com. We will arrange a site inspection to discuss your renovation needs, budget, and timeline.