FTC - but of the agency.
You are supplied in as an FTC employee of the agency, doing a 50k perm job on 90k FTC. Expenses negotiated as part of the gig, etc. Standard rules on no paid holidays/sickness, blah blah blah.
Benefits:
Saves the client worrying about IR35 at all
Means that no IR35 understanding is needed by the agency - a big smoke and mirrors area
Potential to see expenses included in negotiation as appropriate (pre-take home pay equivalent) to offset against anti-IR35 practice
Down side:
No outside IR35, maxing of revenue through MyCo, etc
PAYE rates
Less freedom of the individual, messy pension system?
Thoughts?