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Alex Judah Lim is an engineering & finance trained professional with a passion in creating business that can bring value to the society. He started Nanotech Cleaning to enhance cleaning processes in Singapore through technology.


Alex is also passionate about creating job opportunities for the underprivileged like ex-offenders and people from disadvantaged family backgrounds. He is greatly involved in various community work to make a difference in the younger generation in Singapore. He is appointed by the President of Singapore as an advisor to the Youth Court.

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Our experienced and professional team


Nanotech Cleaning Pte Ltd specializes in cleaning and disinfection services using tested & proven technologies and products. Our team is made up of experienced, motivated and certified specialists who are professional, trustworthy and reliable. We aim to bring the best customer service experience to every of our valuable clients across diverse industries and client profiles.

We Believe in Quality

We provide premium, and bespoke cleaning solutions to small, medium and large businesses, all over Singapore. Our cleaning systems and methodology ensure a high level of sanitary quality in the spaces that we operated. Our business is built on the values of honesty, integrity and reliability.

We are dedicated to deliver the highest level of cleaning and disinfection outcomes.

Our dedicated team provide cleaning and disinfection solutions to SMEs


We are committed to providing the highest quality of commercial cleaning available by exceeding the expectations of our clients. We strive to create and maintain a safe and enjoyable environments for our clients where performance can thrive.


We are constantly working to be recognized by our clients, employees and the industry as the most respected and the leading provider of contract cleaning services and facilities support service in Singapore.


We are expanding and looking for people with drive to join our team. When you love your work and the people you work with, amazing things can happen!

Positions available:

  • Cleaning supervisor (part time/ full time)

  • Cleaner specialist (part time/ full time)

  • Sales representative

  • Administrative assistant (part time/full time)

Please contact us at 8797 1818 or email for job opportunities.

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