Finance & Banking
Engagement
Results
31%
Three-year cost reduction
Against the original plan
£2.1m
Avoided spend
From two cancelled migrations
61
Workloads migrated
Across nine waves
0
Rollbacks required
In production cutover
The challenge
The bank had board approval to move its remaining on-premises estate to public cloud within eighteen months. The business case had been built at platform level rather than per workload, and nobody had modelled the licensing implications of moving a heavily-licensed core database, or the egress cost of a reporting platform pulling nightly from a system that was staying put.
The approach
Assessed all 84 workloads individually on cost, latency, data residency, licensing and operational fit rather than accepting the platform-level case.
Built a three-year TCO model per workload comparing migration, replatforming and staying on refreshed on-premises hardware.
Identified two workloads — the core database and the nightly reporting platform — where migration increased three-year cost by a combined £2.1m.
Designed a governed Azure landing zone with policy, identity and network baselines defined as infrastructure as code.
Migrated the remaining 61 in-scope workloads across nine waves with rehearsed cutovers and documented rollback at each stage.
They told us not to migrate two of our three target workloads, with the TCO model showing why. That single piece of advice paid for the whole engagement, and it is the reason we trusted them with the third.
Services used
Consulting
Cloud migration, hybrid architecture and cost optimisation for organisations that need a business case, not a manifesto.
Consulting
Independent technology strategy, architecture reviews and roadmaps that tie every pound of IT spend to a business outcome.
More work
Replacing end-of-life point-of-sale and branch networking across 940 stores in fourteen months, without closing a single store for a day.
940
Sites completed
Structured cabling and core network replacement across four clinical buildings, delivered in 90-minute windows agreed ward by ward.
0
Clinical incidents
Client identity is withheld under the confidentiality terms of the engagement. Figures are as reported at programme close and can be substantiated under NDA on request.
Similar problem
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