Change doesn't fail because of a bad strategy.

Change fails because the system hasn’t been prepared for it.

Marchesi Advisory helps organisations design infrastructure that serves strategy; by aligning finance, operations, leadership and technology, strategic objectives become operational reality.

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How a business is built determines what it can achieve.

Good organisations rarely struggle because they lack information. They suffer because making the right decisions becomes harder as complexity accrues, almost inevitably.

Solutions that serve only one function are bolted on. Processes that should be automated are performed manually. Efforts are duplicated. Controls become overly laborious. Workflow sequencing introduces lag.

The result: systems become disconnected, and suboptimal approaches become entrenched and unquestioned.

The impact of these deficiencies is often papered over by human effort or incremental cost, until a moment of strategic inflection, when these deficiencies become not just limiting factors, but points of failure.

We help leadership teams simplify complexity so running your business becomes easier.

“Ken has great vision. He sees beyond the numbers, shaping finance not just as a reporting function but as a strategic engine for growth and clarity.”

Shaun McKay Digital Transformation Specialist & CIO100 UK Award Winner

Discover our approach

The problems we solve.

When finance isn't driving future performance.

Financial forecasts can be overly focussed on where the numbers will land, rather than partnering with the business to review the assumptions and make tactical adjustments to the direction of travel.
The right reporting at the right time enables those responsible for execution to change the course of future performance. However the usual scheduled reports might not be the best tools for the job. The reporting that works must be clearest signal in the room for where decisions need to be made to meaningfully impact future outcomes.
We transform finance into a strategic business partner, providing the numbers that are actually needed to make decisions across the business, and reducing the reporting burden on individual departments without losing transparency.
When growth outpaces your infrastructure.

Your strategy is clear and your people are capable, but your systems haven’t kept pace.
We help design the structure, systems and sequencing that allow your business to expand and scale with confidence.
When teams are pulling in different directions.

Different teams are working from different information and priorities drift. Often causing conflict between departments.
We align reporting, governance and goals so leadership teams can make decisions both vertically and horizontal.
When decisions aren’t clear cut.

During periods of growth, transformation or uncertainty, the decisions leaders make can define an organisation's future.
We provide experienced executive leadership and strategic judgement to help organisations navigate their most important moments.

The services we offer.

Every engagement is different, but our objective is always the same: to build organisations that execute better.

Finance architecture:

Design finance functions that enable growth, not just reporting.

Governance
& board advisory:

Strengthen governance and improve the quality of decision-making.

Strategic CFO advisory:

Experienced financial leadership for critical business decisions.

Family office
& private wealth:

Trusted advisory and reporting for entrepreneurial families.

Transformation & change:

Turn complex programmes into successful outcomes.

Strategic communications and event management:

Clear communications and expertly delivered events that engage stakeholders and build momentum..

Every engagement is different, but our objective is always the same: to build organisations that execute better.

How we have helped businesses.

Securing a landmark acquisition

Led financial strategy and execution on the acquisition of a landmark West End theatre.

Transforming finance operations

Redesigned finance functions, governance and reporting to improve commercial decision-making.

Rescuing complex transformation

Stabilised ERP programmes and restored confidence to business-critical change initiatives.

Leading through uncertainty

Developed financial plan and scenario modelling that enabled confident decision-making through the COVID-19 pandemic while minimising knowledge loss and cash leakage.

Building businesses for growth

Created finance, governance and operating models that enabled organisations to scale sustainably.

“Ken brought clarity and calm. His ability to cut through noise, make decisions with confidence and keep everyone pulling in the same direction was invaluable.

No drama, just getting things done properly
and on time.”

Pedro Martins Founder, Totality Services

Explore Our Case Studies

About us

Marchesi Advisory was founded by Ken Marchesi and Olivia Gillibrand. Together, they combine expertise in finance, transformation, governance, communications and organisational engagement to help organisations build the capability to execute strategy with confidence.

Ken is an experienced finance and transformation leader who has spent more than two decades helping organisations navigate growth, complexity and change. Olivia is a veteran CMO and comms specialist with over twenty years’ experience shaping global brands.

Ken’s experience spans acquisitions, finance transformation, governance, technology, organisational redesign and executive leadership across commercial and cultural businesses.

He works alongside leadership teams to solve complex business challenges and build infrastructure that is designed to execute.

“Ken has a knack for simplifying complexities and finding solutions that meet your needs and objectives.

He builds strong relationships across the business and combines commercial thinking with a genuine willingness to listen and collaborate.”

Isobel Richardson Brand & Franchise Development Director, LW Entertainment