Governance & engagement
Align stakeholders, system integrators and delivery teams around clear ownership, quality expectations and timelines — supported by effective programme governance and communication.
BANKING TECHNOLOGY & TRANSFORMATION
We help banks navigate complex IT platform transformations — combining practical experience, specialist expertise and hands-on delivery support.
OUR APPROACH
Platform transformations succeed when strategy, technology and people move together. We focus on four factors that make the difference.
Align stakeholders, system integrators and delivery teams around clear ownership, quality expectations and timelines — supported by effective programme governance and communication.
Build a clear target operating model that connects business processes, the surrounding system landscape and the changes needed to realise the expected benefits.
Define business requirements early, challenge unnecessary customisation and use independent reviews to test governance, resourcing and solution quality.
Bring together deep platform knowledge and experienced transformation leaders, with specialist capabilities where the programme needs them most.
“If you know the enemy and know yourself, you need not fear the result of a hundred battles.” — Sun Tzu, The Art of War
WHAT WE DO
From early programme definition through execution and cutover, we strengthen transformation teams with focused advice and experienced practitioners.
Coordinate workstreams, resources, milestones and risks while keeping steering committees, management and users engaged.
Define the value proposition, processes and satellite systems required to deliver business benefits — aligned with the platform's standard capabilities.
Translate the target operating model into practical changes, from product simplification to new shared-service arrangements.
Assess governance, organisation, resourcing, plans, requirements and solution quality to surface issues before they become critical.
Capture requirements, challenge gaps against standard solutions and ensure decisions remain approved, traceable and aligned to the target model.
Oversee delivery of platform and satellite customisations, with particular attention to timelines, quality, resilient integration and data flows.
Shape the migration strategy, improve data quality and coordinate trial migrations, rehearsals and cutover execution.
Close critical skills gaps in areas such as digital wealth management, Triple’A Plus, fraud detection, derivatives and structured products.
WHY 3ES.PARTNERS
We aim to be the trusted partner banks turn to for high-touch, hands-on support during demanding platform transformations.
Lessons from complex implementations help our consultants recognise risks, navigate difficult decisions and support timely delivery.
We work alongside bank teams, complementing their capabilities and providing coaching and co-management where needed.
Specialised knowledge fills delivery gaps, whether in digital banking, fraud detection or another critical platform capability.
THE PEOPLE BEHIND 3ES
Founded by experienced practitioners with a track record of complex banking IT platform transformations.

ASIA
Managing Partner, Asia
Yeoh brings 35 years of IT and banking experience, including 24 years working with Temenos platforms. He has managed or supported more than 40 wealth-management system implementations across Europe, the Americas, the Middle East, Africa and Asia, including major private-banking transformations.
LinkedInEUROPE
Managing Partner, Europe
Marcel brings 35 years of experience in senior corporate and advisory roles, including CIO positions at global financial institutions. He combines a front-to-back understanding of private banking with deep technical expertise and more than 20 years' experience working with Temenos as a client.
LinkedIn
EUROPE
Managing Partner, Europe
Urs has 20 years' entrepreneurial experience across IT products, distribution and services, having built four companies serving more than 100 banks in the DACH(L) and Asia-Pacific regions. His work includes partnerships with core- and front-end banking vendors and senior banking executives.
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Local insight.
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One shared commitment.