ALM12200 | Specific sectors and employees: managed service companies
From HM Revenue & Customs · Apprenticeship Levy Manual
Managed service companies (MSCs) which have an annual pay bill of over £3 million (subject to the rules in respect of connected companies and connected charities - see ALM11100) will have a liability to pay the levy.
Further guidance on MSCs can be found at ESM3505 and ESM3510.