Our History

GT Clocks has been serving the world’s leading Human Capital Management (HCM) solutions providers for almost 50 years. Continuous innovation has been at the heart of a strategy that has kept the organization at the forefront of technological advancement throughout that time.


A star is born!

GT4, the replacement for our top-selling clock the IT31 is launched. Big shoes to fill, but with impressive new features and performance improvements it is more than capable.


New name, nearly 50 years expertise.

Grosvenor Technology renamed ‘GT Clocks’ for the US, launches at HR Tech, Las Vegas, October 2019.


First android-based clock launched

GT10 arrives, representing our fifth generation of time clock. GT10L launches in 2019 with Linux.


Entry level clock arrives

Compact and resilient IT11 launched.


High-end, high performance time clock launched

The 10.1 inch colour screen IT51 clock arrives.


Best-selling IT31 launched

With class-leading features and performance, the IT31 was an instant success and became our top selling clock for many years.


An exciting new chapter

Grosvenor Technology acquires Custom Micro.


25 years of trading with US begins

Custom Micro begins trading with first US Human Capital Management (HCM) partner.


Where it all began…

Custom Micro, Poole, UK, begins shipping first punch clocks.