The pitch is over. Now the real work begins.
For CMOs and procurement leads, a successful pitch is not the end of the process - it's the start of value creation through growth.
A rigorous agency selection process will have been designed to identify the right partner: the best combination of strategic leadership, creative excellence, digital mastery and operational discipline to ensure commercial alignment. But even the strongest appointment can underdeliver if the transition from pitch to partnership is not actively managed. The first 100 days are often the clearest indicator of whether a new agency relationship will generate momentum or friction.
The first 100 days is the stage where good intentions are either converted into effective ways of working or lost in operational drift. Too often, the focus moves immediately to contracts, scopes and delivery deadlines. These things matter, but they are not enough on their own. The early phase of a relationship is where expectations are tested, behaviours are established and the conditions for performance are set.
Onboarding is a critical part of this going beyond knowledge transfer and into deep immersion sessions. Agencies need a clear understanding of the business context behind the brief: stakeholder dynamics, internal pressures, approval routes, legacy challenges and the commercial outcomes the organisation is really trying to achieve. Without that context, the winning agency can move quickly but all too often be left pulling in the wrong direction.
Relationship building matters just as much. Chemistry during a pitch is useful, but it is not the same as trust in delivery. Trust is built when communication is candid, decisions are timely and both sides respond constructively when priorities change. For senior marketers and procurement teams, this matters because small tensions in the early stage often become larger structural issues later on.
Strong governance is the cornerstone to giving every new relationship the best chance of succeeding. This means clear roles, decision rights, escalation points, meeting rhythms and measures of success without unnecessary process or bureaucracy. When governance is agreed early, teams spend less time navigating ambiguity and more time focusing on outcomes with absolute clarity of purpose.
The first 100 days are also the moment to align on what success actually looks like. What should the agency deliver in the first quarter? Where should it challenge? How will performance be assessed? What does proactivity mean in practice? These questions are commercially important because misaligned expectations create cost, delay and dissatisfaction on both sides.
For CMOs and procurement leads, the implication is straightforward: the value of a pitch is not realised at appointment. It is realised in how effectively the new relationship is set up to perform. The first 100 days are where this happens.
The pitch may identify the right agency. But onboarding, trust and governance will determine whether the new partnership will deliver commercially.
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