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Recent engagements across banking, payments, insurance and investment. Client names are kept confidential; the problems will sound familiar.

Showing 6 case studies

Retail banking2025

Replacing a 30-year-old core banking system without a cutover weekend

Outcome2.1 million accounts migrated in four waves, with no unplanned outage

Payments2025

Real-time payments readiness in fourteen months

OutcomeInstant payments live for 300 institutions, fraud losses per transaction down 31%

Insurance2024

An AI governance framework a board could actually use

Outcome47 models inventoried and risk-tiered; supervisory review closed with no findings

Private equity2024

Technology due diligence on a $600M fintech acquisition

Outcome$45M of remediation identified and priced into the deal

Wealth management2023

From twelve days to three: automating regulatory reporting

OutcomeReporting cycle cut from 12 days to 3, with 80% fewer manual adjustments

Capital markets2023

Moving market infrastructure to the cloud, with the regulator in the room

OutcomeRecovery time for critical services cut from 4 hours to 15 minutes

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Daria Vlasenko

Independent advice for financial institutions modernizing the systems they run on.

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Notes from the Ledger

One short letter a month on where finance and technology meet.

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