Trailer for transporting a kart

Looking to get a trailer for transporting a kart (possibly two) with all the additional engines, tires, spares, etc., so asking for recommendations.

The karts are heavy twin engine prokarts so high trailers are out - it takes two to lift onto a stand or in/out a van.

I am in the UK.

Hey Graham, did you come across anything suitable. For sure the twin prokarts weigh a fair bit.
There might be something you can base your ideas off here: