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The 3 KPIs to monitor to manage your business

April 2026

Jean‑Yves Coste, President of WINDOME BANKING PARTNERS, and I would like to warmly thank Mr. Alexis Javouray.

Jean‑Yves Coste, President of WINDOME BANKING PARTNERS, and I would like to warmly thank Mr. Alexis Javouray, President and Founder of Blue Filler, who has published a book dedicated to Medical Sovereignty: “WHAT MEDICAL SCHOOL DID NOT TEACH YOU: A Manifesto for Liberal Sovereignty in the 21st Century”, and who has identified WINDOME BANKING PARTNERS as a potential partner in the development of his activities in aesthetic, regenerative and reconstructive medicine, longevity, dermocosmetics and dermatology.

The fundamental KPIs and success criteria for managing a sovereign medical aesthetics clinic.

In Jean‑Yves Coste’s approach, one central principle stands out: revenue only measures volume, whereas true performance lies in the value created — sustainable, transferable and structurally sound.

The 3 key KPIs

  • Operating margin This is the primary indicator of value creation. It measures real profitability after direct costs and reflects the clinic’s ability to generate stable and reproducible results.
  • Operational efficiency It relies on the quality of the organisation: clear protocols, intelligent delegation, structured teams and optimised processes. Integrating tools such as AI helps automate low‑value tasks and increase overall productivity.
  • Medical time valorisation Revenue per medical hour is a critical indicator. The practitioner’s time must be dedicated to high‑value procedures, while peripheral tasks should be delegated.

+1 strategic KPI: the LTV / CAC ratio It measures the quality of patient acquisition, retention and the ability to increase average spend. It is a key indicator of the economic viability of the model.

The structural pillars of value creation

Beyond KPIs, the value of a clinic relies on strategic fundamentals:

  • Structural organisation and profitability: a well‑structured clinic increases profitability without adding medical pressure.
  • Reputation and scientific legitimacy: founder expertise, academic presence, innovation, signature protocols.
  • Economic resilience: the ability to operate without depending on a single individual — essential for long‑term valuation.
  • Intelligent diversification: training (academy), clinical research, development of derivative products.
  • Digital mastery: strategic presence on professional and public platforms.

Key success factors

Value creation is built on a healthy logic: optimising organisation, controlling costs, stabilising activity and securing the model. Technology must be considered a productive investment, assessed through demand, utilisation rate and return on investment.
Finally, practitioner sovereignty requires an appropriate legal and financial structure, ensuring full control over their practice.

Key takeaway

Performance does not depend solely on what you generate, but on how you structure your organisation, how you allocate your time with focus and discipline, and how you build a transferable model based on a highly standardised operational architecture.


👉 Value grows when the activity becomes sustainable, scalable, and independent from its founder, supported by differentiating, proprietary or patented therapeutic protocols.

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