Our Services

Lambda is an international highly diversified company focused on Infrastructure, Building, Industrial, MEP, Solar Power Construction, EPC and Concession Contracts, Facility and Project Management. Our vision is to enhance further our role as a worldwide construction group by securing sustainable future development through continuous improvement of services based on our values such as integrity, teamwork, responsibility and transparency.

Project Management

Lambda's range of integrated professional services, being vertically organized, offers a structured and controlled approach to construction project management, for the delivery of successful projects. We efficiently manage solutions during all stages of project development from inception to completion.

Facility Management

Lambda Facility Management, is a group specialized company in offering high level Facility Management and Energy optimization services. Lambda offers fully combined services from design to maintenance and operation, through state-of-the-art equipment and specialized staff.


Having foreseen the high demand for aggregates, concrete and asphalt mixes generated by new constructions and project maintenance well in advance, Lambdaentered this area of supporting activity early on, via its subsidiary Hellenic Quarries s.a.


The continuously increasing demand in minerals and metals by rapidly developing countries such as China, India and Russia and the perspective of exploiting the metal-rich territory of Greece and the greater Balkans' area led to Lambda's decision to enter the field of the mining industry.

Solar Power

Lambda, is offering integrated solutions in the areas of design, supply, construction and operation and maintenance of medium & large-scale Photovoltaic systems, acting as an EPC contractor, worldwide. Power projects of total capacity more than 100MWp are currently under construction.


Being a highly diversified international company, focused on Construction of mainly Infrastructure and Building projects, Lambda is enhancing nowadays its role by securing a sustainable future development through continuous improvement of services.

  • Larry Willis is very conscientious and thoughtful. He always calls to inform us about time frames, changes and costs. He is certainly an asset to your company.

    Nicholas Thomas
  • We especially want to thank your staff for their consistent, exemplary professional contributions… The community is so pleased with the new facility.

    Jennifer Stewart
  • Your people were a joy to work with, and I can assure you that I would be the first in line to recommend Willow Construction for any construction project.

    Billy Thompson