Its the Clinton Racing Car. Or the... ‘High Performance Specialist Racing Car.’ By Clinton Smith. Of Clinton Engineering.
That's it, yes.
The name of the company seems to be 'Clinton Engineered', which sounds a bit odd so maybe not.
I don't know if it's a car they intend to produce for sale or if it has just been constructed for their own use.
Here is a picture showing its spaceframe construction: