A winding road in black and whiteA winding road in black and white


Learn more about the history of SensorZone

The GKD logo on a white background
GKD is founded

GKD Technik, the parent company of SensorZone, is founded.

Its first activities focus on applying Rated Capacity Indicator technology to lorry loader cranes.

SiteGuard is created

GKD utilise radio frequency technologies to develop the first Proximity Warning System in the UK, SiteGuard.

Successful trials by Network Rail concluded that SiteGuard was an effective safety control product.

The SiteGuard logo
SiteZone safety equipment
First distributor onboarded

OnGrade are appointed as the sole UK distributor for SiteGuard and enjoy early commercial success.

OnGrade still remain a key partner, with over 6,000 installations and 20,000 tags in use across the UK.

SiteGuard rebranded to SensorZone

SiteGuard undergoes an extensive and modernising rebrand, resulting in SensorZone being chosen as the name to carry the brand forward.

The SensorZone logo
A wheel loader with a detection bubble around it, shovelling waste at a recycling facility
Automatic range change developed

The innovative automatic range change feature is developed and rolled out.

2nd generation tag released

Development on the SensorZone system continued with the release of the 2nd Gen tag.

The new tag contained an improved battery life of over 3 years with no recharging required.

The SensorZone tag
The SensorZone multiband logo
Multiband technology introduced

Development of SensorZone continued with the introduction of the innovative Multiband technology.

Combining both low and high range frequencies, Multiband ensures that SensorZone tags achieve maximum connectivity and minimal hinderances from external factors.

Demand continues to grow

By 2020, SensorZone technology had been deployed by multiple leading waste and recycling companies in the United Kingdom.

A worker in full PPE looking at a pile of waste
Hill & Smith logo
US distributor onboarded

Mid-2021 saw SensorZone begin its partnership with American safety company, Hill & Smith Inc.

Hill & Smith's expertise in the safety industry and belief in the SensorZone technology have seen a number of key deployments take place across the country.

Read about Hill & Smith Inc.
Insights 1.0 launched

SensorZone is taken to the next level with the launch of Insights 1.0 - the cloud-based safety dashboard that gives actionable insights for on-site safety.

Discover the Insights Platform
A screenshot of the leading indicators dashboard, taken from the SensorZone Insights Platform
A wheel loader with a detection bubble around it on a construction site
Landmark roll out in the United States

Following on from a rigorous trial period, SensorZone is successfully deployed across a number of key construction sites for US construction giant, Webber.

Read the Case Study
Australian distributor onboarded

SensorZone joins forces with TR Hirecom to act as our exclusive Australian distributor of the system.

Learn about TR Hirecom
Man smiling in full PPE infront of a wheel loader
The SensorZone portable proximity warning system attached to a post
Portable Proximity Warning launched

Portable Proximity Warning technology is launched as the solution for working environments that have a high volume of visiting vehicles.

Maintaining complete compatibility with existing SensorZone systems,

Explore Portable Proximity Warning
Distribution network grows

With interest in proximity warning technology increasing around the world, SensorZone signs distribution agreements with organisations in countries including Sweden, Canada, Italy and the Netherlands.

View our Partners
A male and female wearing ATA hi vis jackets
A screenshot of the machine location dashboard from the SensorZone Insights Platform
Insights 2.0 released

Including features such as a completely rebuilt Machines page and exportable Excel reports, Insights 2.0 marked the released of the most significant update to the SensorZone Insights Platform since its launch.

Discover the Insights Platform