Getting a swivel seat fitted in London

[Sandrajj]

I have currently got a double passenger bench with Kiravans swivel in my VW T6 transporter and I want to swap it out for a single captains seat with a swivel base with safe, also from Kiravans. I have got the single seat already, just wondered if anyone knew of anyone in London that can swap it over and fit it properly as it’s definitely beyond my capability!