PLAN 31 Ltd (Bulgaria) was founded in 1998 with a partnership of Plan31 Mernök Kft. Hungary. This is a firm that offers structural engineering and professional services for the construction of wide area warehouses, representative administrative buildings, commercial and industrial facilities. The firm has been approved on the market as serious and correct partner of large amount of big clients from West Europe and the country. Successful projects abroad are realized in Russia, Kazakhstan and Croatia. It works in close coordination with owners, contractors, architects and other engineers to put together the most cost effective and efficient design packages possible.

PLAN 31 currently employs engineers and consultants with professional experience in different spheres in structural design. The office is equipped with the latest in computer hardware and the most common structural design software. Our high professional approach in structural design and project coordination gives us the ability to meet the challenges of our clients.


  • MIKS PS Ltd.
  • Metro Cash & Carry
  • Billa Bulgaria
  • Hit
  • Praktiker
  • Sokotab Bulgaria Ltd.
  • SoMat
  • Agrobul
  • Penny Market
  • Consortium Terra Group
  • Actavis
  • Bodrost Commercial centre
  • Maxcom Ltd.
  • Eurofrigo
  • Shibar Ltd.
  • Lufthansa Technik Sofia
  • Sopharma Pharmaceuticals
  • Litex Commerce JSC
  • Rosima
  • Lachita Ltd.
  • Fresh Logic
  • Landmark
  • Baumax
  • EuroGate
  • MT Proekt – Dipl.Eng. Milena Tahova
  • IntArh – Arch. Maria Popmarkova
  • Ac - Iliev – Arch. Ilian Iliev
  • Architectonika – Arch. Dimitar Paskalev
  • Postscriptum – Arch. Penka Stancheva
  • Arko Studio – Arch. Petko Kostadinov
  • Ivo Petrov - Architects – Arch. Tzvetan Petrov
  • arch. Rumen Galov
  • Rafailov Consult Ltd – Dipl.Eng. Petar Rafailov
  • CANTY & CO Project Managers
  • Struct2Design – Dipl.Eng. Dimitar Kumanov

  • ZSK Stomanobeton - Kremikovtsi
    Dipl.Eng. Evtim Vangelov – Director

  • ZSK Borui AD – Stara Zagora
    Dipl.Eng. Kolio Kolev – Director

  • ZSK Lozovo – Burgas
    Dipl.Eng. Ivan Kehaiov - Director

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