Are yo looking for cheap or high quality. If you don't give a shit about the car then I'm thiniking anything off an Google search would do.
However, I have used Intercity 3 times, moving all over the country. They are fully enclosed, and chances are your car will be in the same trailer as a Ferrari or Porsche.
Up to you.
2009 E92 M3 / DCT / AW / Black Extended / Akrapovic / Dinan Stage I + Camber Plates / BBS CH-R / Valentine One by Alekshop