Sinclair Research Ltd

Sinclair Research Limited was a company set up by Sir Clive Sinclair to create and promote his computer products.

Their computer products heralded the start of the home computer revolution, making them into a household name during the 1980s and included:

• Sinclair ZX80
• Sinclair ZX81
• Sinclair ZX Spectrum
• Sinclair ZX Spectrum +
• Sinclair ZX Spectrum +128
• Sinclair ZX Spectrum +2
• Sinclair QL

As well as producing and selling the Quantum Leap (known as the Sinclair QL), Sinclair Research added a software range.