From regional complexity to clear global accountability
Redesigning a global operating model across three regions and four business units.
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Strategy · Organisation · Transformation · Leadership
London · Est. 2015
Strategy that works. Transformation that lasts.
We help organisations make better strategic choices, redesign how they operate, bring people through change and build the leadership capability to sustain results.
Experience in numbers
20+
years advising senior executives, from McKinsey and Visa Europe to YellowRock
875+
colleagues trained in a global launch programme across 25+ countries
1,500
people in scope of a pharmaceutical development transformation
40+
countries covered by a global finance shared-services design
From ambition to execution
A strategy only creates value when the organisation can deliver it.
That means making clear choices, designing the right operating model, aligning leaders and helping people adopt new ways of working. We bring these disciplines together.
We work alongside our clients from the early questions through to practical implementation, combining analytical rigour with hands-on delivery.
Expertise
Four connected services. The right combination depends on the challenge.
- 01 Strategy Make clear choices about where to compete, how to grow and which opportunities deserve investment.
- 02 Transformation Redesign organisations, operating models and performance systems to deliver new ambitions, with structure, pace and accountability.
- 03 Change Management Help leaders and teams move from a new plan to new behaviours, with engagement and adoption built in from the outset.
- 04 Leadership Development Equip executives and managers to lead through uncertainty and change, with capabilities they can apply immediately.
Specialist lenses across our work
In focus
AI-ready organisations.
Make AI part of how the organisation works, not another disconnected technology pilot.
We help leadership teams assess the organisational implications of AI, prioritise change opportunities and redesign the structures, roles, workflows, decision rights and governance needed for adoption. Our approach is business-led rather than technology-led.
- 01AI opportunity and organisational impact assessment
- 02Operating-model and organisation design, including people, processes and technology interfaces
- 03Role and capability implications, accountability and decision rights
- 04Governance, risk ownership, KPIs and implementation roadmaps
- 05Executive alignment and change planning
Selected work
How do we grow? How should we organise? How do we deliver change?
Creating clearer governance for pharmaceutical development
A more coherent governance and enabling-operations model for a complex global drug-development organisation.
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Bringing two specialist product portfolios to market as one
A clearer customer proposition and commercial model after combining specialist membrane capabilities.
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All client work is anonymised to protect confidentiality.
All case studiesSector experience
Sector knowledge informs our work, but the problems we solve often cut across industries.
- 01
MedTech & healthcare
Operating models, R&D governance and launch excellence
- 02
Pharmaceuticals & life sciences
Development governance and operating-model change
- 03
Advanced materials & industrials
Growth strategy, go-to-market and integration
- 04
Financial services & payments
Digital product strategy and market entry
- 05
Consumer businesses
Market entry, growth and retail integration
- 06
Energy
Sustainability strategy and roadmaps
- 07
Education
Organisation design and leadership
How we work
A straightforward way of working.
Understand the challenge
We start with the decisions that matter, the evidence available and the constraints facing the organisation.
Design the answer together
We develop options and trade-offs with the people accountable for delivery, not in isolation.
Mobilise change
We translate choices into plans, roles, governance, engagement and practical implementation.
Make progress visible
We establish clear ownership, measures and review routines so teams can see what is working and adapt.
We start with the decisions that matter, the evidence available and the constraints facing the organisation. We develop options and trade-offs with the people accountable for delivery, not in isolation. We translate choices into plans, roles, governance, engagement and practical implementation. We establish clear ownership, measures and review routines so teams can see what is working and adapt.
Why YellowRock
Clients work closely with experienced advisers, not a large rotating delivery pyramid.
Senior attention
We work directly with decision-makers and bring the expertise needed for the problem at hand.
Clear thinking
We challenge assumptions, examine trade-offs and focus on the few choices that matter.
Practical delivery
We stay close to implementation, helping teams build the skills, routines and accountability to make change last.
Founder
Ayse Sarikaya
Founder & Managing Director
Former McKinsey Manager and Acting Head of Digital Strategy at Visa Europe, with 20+ years in strategy, operating-model redesign and complex transformation. Ayse works with executives to connect organisational decisions, leadership capability and delivery.
Read Ayse’s biography- YellowRock Consulting
- Founder & Managing Director
- 2015–
- Visa Europe
- Acting Head of Digital Strategy
- 2012–2014
- McKinsey & Company
- Business Analyst to Manager, London and Istanbul
- 2005–2012
- London Business School · Columbia Business School
- MBA
- INSEAD
- Transforming Your Business with AI
- 2026
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