Forecasting cloud market share as ranges leadership can defend and update
Published figures disagreed, and any single share number would have been false precision. Structured assumptions and triangulated evidence give leadership a range it can plan against.
- Challenge
Incomplete, inconsistent published figures and no reliable view of current or future share.
- Approach
Explicit assumptions, triangulated evidence and scenario ranges instead of a single point estimate.
- Result
A share range and outlook that planning can use and revisit.
The situation
Cloud providers planning regional budgets need to know their share today and where it is heading. Published market figures cover different scopes, mix infrastructure with software, and rarely agree on totals. Teams pick the most convenient source or average several, and the single number that results hides how uncertain it is. Investment, quota and headcount plans then rest on a figure nobody can explain when challenged.
The question that mattered
What is a defensible range for the company's share now, how could it move, and which assumptions matter most?
What we did
- 1
Make the assumptions explicit
Break share into its drivers, such as workload migration pace, sector adoption and provider mix, and record each assumption with its source.
- 2
Triangulate from independent angles
Reconcile top-down published totals with supply-side signals, such as data-centre capacity and partner activity, and demand-side evidence from buyers.
- 3
Test assumptions with primary research
Interview CIOs, heads of infrastructure and systems-integrator partners on the assumptions the estimate is most sensitive to.
- 4
Express the outlook as ranges and scenarios
Present low, base and high cases with the conditions behind each, rather than one precise figure.
What we delivered
The evidence and working documents the team kept.
- Assumption register with source and confidence for each driver
- Triangulation workbook reconciling published, supply-side and buyer evidence
- Interview synthesis from buyers and partners
- Current share range and forward outlook under low, base and high cases
- Sensitivity view showing which assumptions move the estimate most
The outcome
Share range
with the evidence behind each bound
Assumptions
visible, sourced and open to challenge
Key sensitivities
flagged for leadership attention
Scenario cases
feeding regional planning
Planning discussions move from arguing over one number to agreeing which assumptions to watch and what would change the plan.
What changed in the GTM motion
Market sizing becomes a living model rather than a one-off report. When new data arrives, the team updates the affected assumption and sees how the range shifts, so budgets and targets follow the evidence.
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