Castlight

Real Estate Advisory Services

Sapere Aude

Introduction

Castlight is an independent and entrepreneurial real estate advisory firm based in Brussels, helping owners make better decisions upstream of execution. We sell confidence, not hours.

Operating across the entire asset lifecycle, from investment and development decisions to the repositioning and optimisation of existing assets, we integrate investment, development, asset management and governance into a single strategic view.

Our approach:

  • Senior judgement: Direct senior-level focus backed by more than 30 years of pan-European executive and board experience as well as proprietary tools.
  • Independent alignment: Driven solely by the owner's interests and entirely free from conflicts of interest.
  • Curated circle: Bespoke advice supported when required by an orchestrated selective ecosystem of specialist experts.

Our activities:

  • Senior Advisor & Independent Director mandates
  • Consultancy assignments
  • Investments in partnerships and entrepreneurial ventures

Castlight combines strategic insight with institutional-level expertise to deliver a flexible and client-oriented approach.

Founder

Xavier Denis brings more than 30 years of multidisciplinary, multisectoral and international experience in real estate investment and development, across both listed and non-listed sectors. Before founding Castlight in 2024, Xavier served as a longstanding member of the Executive Committee and Board of Directors of AG Real Estate and Cofinimmo, having begun his career in London.

Current focus

In a market shaped by uncertainty, valuation challenges, capital constraints and evolving regulation, Castlight has identified the following priority themes:

  • Upgrading, repositioning and converting office buildings
  • Unlocking value in assets owned by public authorities
  • Restructuring and recapitalising projects and developers
  • Pursuing high-yielding, asset management-intensive investment strategies
  • Facilitating large, structured transactions led by private equity investors

Contact us

If you are interested in learning more about what Castlight could bring to you, contact us …