Case Study · Defense · Fractional CTO

£500k cloud savings and defense assurance for a regulated SaaS business.

A regulated SaaS business in the defense sector was running on an ageing VMware estate with no cloud strategy, no FinOps discipline, and security controls that could not satisfy defense assurance requirements.

£500k/yr
Savings from Azure FinOps governance
Defense assurance
Secure-by-Design controls embedded
1–2 days/wk
Fractional CTO engagement model

The situation

A regulated SaaS business operating in the defense sector was running on an ageing VMware estate with no coherent cloud strategy and no FinOps discipline. Cloud costs were drifting without visibility or control.

The security controls in place could not satisfy the defense assurance requirements of its key clients - threatening contract retention on business-critical relationships.

The approach

Engaged as Fractional CTO to lead the full VMware-to-Azure migration, establish Azure FinOps governance to bring cloud spend under control, and embed Secure-by-Design controls aligned to defense assurance frameworks.

The engagement operated at one to two days per week, with a time-boxed mandate and clear outcomes agreed upfront. Governance was built into the organization so it would not be dependent on the consultant remaining engaged.

The impact

  • £500k/yr
    Annual savings delivered through Azure FinOps and disciplined cloud governance.
  • Secured
    Defense assurance achieved - Secure-by-Design controls embedded, protecting key client contracts.
  • Sustainable
    Cloud operating model built into the organization - governance and controls persist beyond the engagement.

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