Professional Services Firm / Talent Agency: Startup 5-Year Financial Model

I have some new revenue logic that fits perfectly with this kind of a professional services business model. Think about any organization that has professionals working for it and bills out time to clients at some hourly or daily rate. CPA and Law firms are a perfect example, but also talent agencies and general 'Request for Proposal' or RFP businesses fit perfectly. This also applies to a consulting firm of nearly any kind.