Welcome to BusinessCloud’s South East Tech 50 ranking for 2020.

Aerospace manufacturing firm Reaction Engines tops our ranking of the region’s most innovative technology companies as it seeks to advance space and hypersonic travel.

The final ranking was decided by a combination of independent judging panel (scroll down) and almost 500 reader votes.

More regional Tech 50 rankings from around the UK are available here.

You can click on the company names for a brief description of what they do. Businesses who wish to purchase an extended profile, including a logo and website links, can email us here.