Our Mission
To continuously learn and embrace the unique needs of gym owners to provide our clients with the best possible system to run their fitness club.
Meet the team
We move fast and challenge one another, but still take time to have fun – making working at Treshna extremely rewarding.
We share this enthusiasm with our clients, providing them with industry-leading customer service and support so they know their club is in the right hands.
No two clubs are the same, which is why we are constantly striving to ensure GymMaster can be tailored to suit any gym.
Our rapidly growing team works around-the-clock improving the system to ensure GymMaster aligns with the requirements and direction of any gym business.
Our Story
Treshna Enterprises Founded
Andrew Hill, our managing director starts Treshna Enterprises as an IT service provider and software development company.
Treshna are the team behind GymMaster software.
First Version of GymMaster Created
Working in conjunction with the YMCA, Treshna Enterprises creates the first version of what would become the GymMaster desktop solution.
GymMaster Released
Based on market demand and feedback, GymMaster is formalised as a product and offered for the first time as a unique product.
Purpose-built access control hardware developed
Seeing the rise in unmanned 24/7 facilities and given client demand, GymMaster creates a dedicated access control solution.
Cloud-based GymMaster solution released
After a decade of successfully providing the GymMaster desktop solution, GymMaster Online is released. Offering a flexible cloud based solution to new and existing clients.
GymMaster announces new branding
To match the modernised and improved design of GymMaster Online, Treshna Enterprises redesigns logo and branding.
GymMaster member app goes live
GymMaster offers a native solution for Android and iPhone, making it easier than ever for members to make and manage bookings.
Treshna Releases Serenity
Having successfully improved and innovated in the Gym and Health club sector, Treshna Enterprises creates Serenity offering a more tailored solution to boutique studios like yoga and pilates.
The Future of Treshna
Treshna Enterprises is dedicated to innovation and excellence, we prioritise research and development and are always looking for ways to improve the experience for our clients.
See How Serenity Can Help Your Business
GymMaster Helps Run Thousands of Clubs Around The World.
Managing core components of business such as profiles, door access, bookings, billing, marketing and more.
180k+
Active Weekly Users
$40b+
Payments Processed
110+
Countries Use GymMaster
3m+
Memberships Managed
2025 © Treshna Enterprises Ltd.