The Genesis of Portable Computing
Co-founded by entrepreneurs David Hampson and David Viewing, Ranger’s original mission was to pioneer portable computing for commercial, scientific, and military applications.

Specialising in the comprehensive compilation of music consumption data, spanning everything from independent retail sales to global streaming figures.
Discover more ↓
IFPI Norway
ERA
Official charts
ZPAV
KantarA journey of continuous development. Trace our progress from early retail hardware innovation to our current position as a leading chart compiler.
Ultimate is our flagship cloud-based platform, designed to unify fragmented data from physical, digital, and streaming sources into a single, verifiable source of truth. By automating complex calculations, it empowers national trade organisations to produce authentic music charts with absolute confidence.
Explore the platform ↗| Position | Album | Genre | Performance | Trend |
|---|---|---|---|---|
| 01 | Album A | Pop | ↑ 3 | |
| 02 | Album B | Dance | ↑ 1 | |
| 03 | Album C | R&B | ↓ 2 | |
| 04 | Album D | Rock | ↑ 2 |
Our next-generation solution for real-time data collection from independent record stores and online retailers. Sierra streamlines the capture of over-the-counter and mail-order sales into a single, automated workflow.
A high-performance scanner designed for independent retailers. It offers seamless, real-time data transmission via mobile networks, providing instant sales updates without the need for complex wiring or broadband connections.
An established point-of-sale solution tailored for independent music retail. Featuring a daily-updated catalogue of millions of titles, it provides retailers with deep product information and robust stock control.