Case studies | Ravenwood Consultancy Ltd

Case studies

Anonymised examples from engagements led by Peter Mutton. Client names are withheld until each client approves attribution.

UK government health regulator

Phased migration of about 100 servers to Azure with little to no downtime

Context: A UK government health regulator needed to move its server estate, about 100 servers, out of an on-premise data centre.
What was done: Designed and delivered a phased migration to Azure, following GDS cloud-first principles. A Citrix based data portal was also redesigned onto Azure Virtual Desktop.
Result: The migration was delivered with little to no downtime to business operations.

UK government health regulator

Context: The regulator needed a secure way for researchers to analyse sensitive healthcare data.
What was done: Designed a trusted research environment on Azure, based on Microsoft's open-source TRE. Added a multi study licence secure workspace model with access to Azure Synapse.
Result: The single study licence went live in April 2024, with the multi study licence secure workspace model added to the same design.

UK government health regulator

Context: The regulator needed to close IT Healthcheck findings across three centres.
What was done: Owned the remediation across the three centres.
Result: Public Sector Network accreditation was gained and Police National Database certification was achieved.

UK government health regulator

Context: The same regulator wanted to reduce the cost of running its data centre estate.
What was done: Carried out rack moves and decommissioning, and renegotiated contracts, as virtualisation and cloud migration reduced the footprint.
Result: Annual data centre operating cost fell by 60%, a saving of £320K.

UK local authority

Context: A UK local authority needed to bring IT operations under control for more than 3,500 users.
What was done: Directed IT operations of more than 50 staff. Introduced ITIL incident, change and problem management, with a configuration management database and service catalogue. Live migrated 350+ virtual servers to a new hosted data centre.
Result: The virtual servers moved to the new hosted data centre, with ITIL practice in place to run the service.

Global investment bank

Context: A global investment bank ran network operations across the Americas, Asia Pacific, EMEA and Latin America.
What was done: Brought vendor management in-house and ran 24/7 follow-the-sun network operations across all four regions.
Result: P1 and P2 network incidents fell by 30%. Year-on-year cost fell by 15%, a saving of US$1M.

Global investment bank

Context: Operations teams at the same bank carried a high volume of manual tickets from infrastructure and application events.
What was done: Automated ticket creation and escalation from infrastructure and application events.
Result: Operations workload fell by about 30%.