Reaction Engines identified in London Stock Exchange Group’s ‘1000 Companies to Inspire Britain’ 2019 report

Reaction Engines has been identified as one of London Stock Exchange Group’s 1000 Companies to Inspire Britain 2019. The report is a celebration of the UK’s fastest-growing and most dynamic small and medium sized businesses (SMEs), with companies representing over 40 sectors and spanning every country and region across the UK.

To be selected for the list, businesses had to demonstrate not only positive revenue growth over the last three years but also outperform their sector peers. The result is a unique and varied list of the UK’s most dynamic companies. More details on the Companies to Inspire reports and methodology can be found online at

The report has been released at a formal launch event and market opening ceremony held this morning at the London Stock Exchange. Tom Scrope, Reaction Engines’ CFO was invited to speak at a panel session at the event titled: Key Building Blocks to Success, where he discussed the company’s success in securing investment from a range of private and public sources and the progress it is making in its SABRE development programme.

Reaction Engines develops the technologies needed for an advanced combined cycle air-breathing rocket engine class called SABRE (Synergetic Air-Breathing Rocket Engine), a leading contender for the next generation of hypersonic flight and space access vehicles.

Mark Thomas, CEO, Reaction Engines
“We are delighted to be recognised as one of London Stock Exchange Group’s 1000 Companies to Inspire Britain 2019. Our inclusion in the report highlights the determination of our team and the growth and success we have demonstrated over the last few years. Reaction Engines is growing fast. We have more than doubled in size in the past three years and have raised over £100m from public and private sources. Even more exciting times lie ahead as we continue to grow and influence the global space market.”

David Schwimmer, CEO, London Stock Exchange Group
“Congratulations to all the companies selected for inclusion in the sixth edition of London Stock Exchange Group’s 1000 Companies to Inspire Britain report, which identifies the UK’s most dynamic SMEs. SMEs drive growth, innovation and job creation and are the lifeblood of the British economy. We believe that supporting the growth of these businesses is critical to the UK economy and the creation of a society that works for everyone.”

A full searchable database of all of the companies along with a downloadable pdf of the publication can be found online at