The first 90 days with a fractional CMO should feel quieter, not louder.
If the engagement adds more meetings without clearer decisions, something is wrong.
Days 0–30: diagnosis and alignment
Focus:
- truth in the funnel — definitions, stages, and where deals really die
- ICP reality — who buys, who churns, who expands
- founder dependency map — which decisions still require the founder
Outputs are usually a short diagnostic read, a priority shortlist, and a weekly cadence design — not a rebranding project unless the data forces it.
This phase connects to founder-led growth bottlenecks and how to know growth depends on the founder.
Days 30–60: narrative and experiments
Focus:
- tighten positioning so sales and marketing tell one story
- launch a small set of experiments with explicit success and failure criteria
- improve reporting so leadership debates signal, not opinion
For AI teams, the same window often includes hardening proof — see GTM for post-PMF AI startups.
Days 60–90: system and handoff
Focus:
- playbooks and briefs — agencies and hires get clearer instructions
- hiring roadmap — what role, what profile, what success in 6 months
- governance — who owns decisions when the fractional engagement ends
The point is durability. Good fractional work should make the team stronger when it stops — the same test as the right window for a fractional CMO.
Role clarity
If your bottleneck is experiment throughput inside a stable strategy, compare fractional CMO vs Head of Growth.
Economics and buying
Public anchors and variance drivers: Fractional CMO cost (UK) and pricing benchmarks.
Shape comparisons:
Entry points
- Growth Audit — fast fit and bottleneck read
- Fractional CMO — sprint vs retainer scope
If timing after funding is the question, read when to hire a fractional CMO after seed.