Let's face facts: Williams haven't performed for many years. And that's down to Frank & Claire. Hopefully they'll fare better under new ownership. Dorilton own a number of related companies so the Williams team should benefit.
There's AUT Solutions for testing and MEI for logistics (getting kit from A to B).
Perez brings a lot of Mexican connections, doesn't he? The new owners are North American so making connections south of the border is good business. And Perez has the billionairee Carlos Slim's patronage, doesn't he? But I'd give Latifi, not Russell, the push as he hasn't really performed.