A cloud migration business case needs more than a TCO spreadsheet. It needs NPV, payback period, risk-adjusted ROI and compelling executive narrative. This guide shows you how to build a board-level cloud business case using TCOIQ.
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1. TCO comparison (current on-prem cost vs target cloud cost over 3-5 years). 2. Migration investment (one-time costs: tooling, professional services, training, parallel running). 3. Financial metrics (NPV, IRR, payback period). 4. Strategic benefits (agility, innovation, risk reduction). Most business cases fail by only including element 1.
Formula: ROI = (3-year cloud savings - migration investment) / migration investment × 100%. Example: $200K annual savings over 3 years = $600K. Migration investment: $150K. ROI = ($600K - $150K) / $150K = 300% over 3 years. Payback period: $150K / $200K annual saving = 9 months. Include RI purchase cost in migration investment for accuracy.
Beyond cost savings: faster time-to-market (cloud deployments 10x faster than DC provisioning), improved disaster recovery (cloud DR costs 60-80% less than secondary DC), reduced security risk (cloud-native CSPM vs manual security reviews), and talent attraction (engineers prefer cloud-native environments). These are harder to quantify but often matter more to the board than cost savings.
Always present a risk-adjusted version: base case (expected savings), optimistic case (+20%), conservative case (-20%). Show that even in the conservative case, the migration delivers positive ROI within the planned payback period. This demonstrates rigor and builds confidence. Identify the break-even point — where the migration investment is recovered.
TCOIQ produces the TCO analysis section of the business case in 60 seconds. The 9-section report provides: current environment cost baseline, target cloud cost model (PAYG/1yr/3yr RI), 5-cloud comparison, and executive summary. Export to PDF. Add migration investment estimate, financial metrics and strategic benefits narrative. Business case ready in hours, not weeks.
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