Umbrella Company IPS issued with an SRN by HMRC

Does anyone know what checks Professional Passport and APSCo does to prevent tax avoidance umbrellas from being accredited by them? I ask as IPS Umbrella, currently accredited by Professional Passport and APSCo, is owned, and operated by the same people that own and operate IPS Progression Ltd, which has been issued with a DOTAS SRN, […]