Monica Sonderegger

Advocaat | Senior Associate


+31 10 217 25 11
+31 6 8313 3209

Practice Areas




Follow me

Monica specialises in advising on and litigating matters concerning general administrative law, procedural administrative law, and spatial planning and zoning law. She has experience with different facets of administrative law. Before joining Houthoff, she worked at the Legal Service of the Netherlands Competition Authority (which on 1 April 2013 joined forces with other authorities to form the Netherlands Authority for Consumers and Markets).

Qualifications & Experience

  • Grotius Academy specialisation course on General Administrative Law (cum laude)
  • LL.M. Dutch Law (Utrecht University)


  • Advised a.s.r. real estate on the acquisition – on behalf of ASR Dutch Prime Retail Fund – of a retail portfolio from Phoenix Joint Venture C.V. with a total value of  approximately € 100 million.
  • Houthoff advised GIC, Singapore’s sovereign wealth fund, on the joint venture agreement with Equinix for more than USD 1 billion to develop and operate hyperscale data centres in Europe. The joint venture will acquire two operational data centres in London and Paris and plans to futher develop data centres in Amsterdam, Frankfurt (two sites) and London. Houthoff was co-counsel to Kirkland & Ellis on this transaction.
  • Houthoff advised La Salle Investment Management regarding the acquisition of the Bright Offices in Amsterdam. The acquisition took place on behalf of the French pension fund ERAFP, being the first acquisition for ERAFP on the Dutch Real Estate Market.