Freedom. Flexibility.

Ready for You.


Our Advanced Solutions Keeps
Your Business Moving Forward

Onity is a leading provider of electronic locking systems, mobile-access solutions,
electronic in-room safes and minibar. Onity offers a full range of advanced facility management
solutions to help maximize the efficiency of your operation, both now and in the future.

Electronic Locking

Onity combines innovative technology a​​nd globally accessible service to provid​e some of the most reliable and advanced electronic locking solutions in the industry.

Mobile Access

With a collaborative mindset backed by extensive mobile technology know-how, Onity provides a cost-effective, scalable approach to moving ahead in a changing landscape.

Electronic Safes

Designed with convenience and security in mind, Onity’s electronic in-room safes are ideal for hospitality, corporate, and other commercial applications.


Onity minibars are backed by the leading provider of solutions for the hospitality market, with products in around 5 million rooms and 30,000 hotels throughout the world.


Accessible. Dedicated.
We are there for you

Onity has a globally accessible sales, installation, and support network that spans over 115
countries. Our dedicated and committed employees work diligently to resolve customer
issues as quickly and professionally as possible.

Service Commitment

It’s our ongoin​g mission to deliver quality products and relia​ble service to our customers around the world. We set ourselves se​​​rvice-oriented goals and use customer feedback to ensure we’re focused on the highest priorities.

After-Sale Support

Onity offers a range of live technical support options for 24/7 coverage. Extended warranty programs are ​available at different coverage levels, helping you avoid unexpected support and replacement costs.


Our Story


Innovative solutions.
Partner for a better future.

B.Grimm Trading is the authorized distributor of Onity– a leading manufacturer of electronic locks in the Hospitality industry. We are a leading provider of a host of facility management technologies – from electronic locks and smart card systems, to electronic in-room safes, and minibars. We offer our customers industry-leading solutions, all backed by globally accessible customer service and support.


Onity Starts Replacing
Vulnerable Hotel Room Door Locks

With millions of systems installed worldwide, we are known around the globe for reliable products backed by superior support. Our products meet International standards, and are designed and built to uncompromising quality approval. From research and development to after-the-sale support, we cover all the stages to guarantee the finest quality in all our products and services.


Key Customers


Reach out to us for more information

Dr. Gerhard Link Building,
5 Krungthepkreetha Road, Huamark, Bangkapi, Bangkok 10240, Thailand

Frequently Asked Question

Onity is the world class leading digital door lock manufacturer for business and hotel users since 1941. Onity has global manufacturing plants and distributes its products over 115 countries. Our products are trusted by over 50,000 hotels, such as Marriott, Hilton, IHG,    Hyatt, and Starwood.

Onity is a professional hospitality door lock solutions provider which consists of highly trained technicians. The electronic and digital door lock of more than 700 hotels across the hospitality industry in Thailand is under our care. Well-known hotel chains choose Onity because of high standard quality products and services. Our products are durable against any natural degradation such as heat, humidity, and sea corrosion. Additionally, Fire rate and fire resistance are our features and certified. Compatibility to any size and shape of door lock put us at the front line of designer choice. Simplicity in installation and history tracking enable us to be ahead of business line.

There are two types; the first is the wireless card (MiFare Card) and the second type is the Mobile Access.

There are two types of Onity digital door lock, which are wireless card and mobile access. They can be used with the hotel that have more than 20 rooms under the same system. 

Onity provides leading after-sales service, which guarantee to have long-term spare parts support available for over 10 years. Onity also offers consultation on developing, upgrading, and improving the existed system under your controllable budget.

The product warranty is covering 2 years after first operation.

Onity is ready to support and give consultation on any system error 24 hours through our service center.

Service Center Contact:

Building Solutions