Start with the seniority pyramid, not the headcount
The most common staffing mistake is hiring for a headcount number before agreeing the seniority shape. A healthy S/4HANA programme team is a pyramid: a small layer of architects and leads who own design decisions, a broader layer of experienced functional and technical consultants who do the bulk of configuration and build, and a thinner base of analysts and testers.
For a 15–25 person team, expect roughly one solution architect, four to six functional leads across the core modules, eight to twelve hands-on consultants, and a testing and cutover group. Over-hiring at the top burns budget; over-hiring at the base creates coordination overhead without delivery.
