Development Vision:
Building Legacies
in Halkidiki.
With Soul:
The Kassandria
Residences.
Our Blueprint:
Experience Meets
Creativity.
Welcome to THEROS Development
Founded in 2025, we embarked on this journey with one mission: to create projects that stand as benchmarks of both high standards and aesthetic beauty.
With over thirty years of combined experience and an unwavering passion for construction and design, we continue to transform our dream into reality, every single day.
Offering an array of specialized services in construction, architecture, and interior design.
Bespoke Architecture & Design
Led by our architectural engineer, Despina Mourmouri-Alexandri, we provide full-scope architectural services. We merge modern aesthetics and functionality with meticulous attention to layout, dimensions, and lighting to create spaces with a truly unique character.
High-Standard Construction Projects
This is the foundation of our work: combining thirty years of technical knowledge and experience with a passion for excellence. We oversee the building process from the first sketch to the final delivery, ensuring structural integrity and high quality standards.
Project Management & Consultancy
We offer comprehensive guidance tailored for those looking for a life project. Our service is characterized by consistency, transparency, and respect for budget and time, ensuring the smooth integration of every detail that transforms a house into a sustainable, high-quality residence.
Luxury Interior & Exterior Finishing
We focus on the details that define luxury living. This includes selecting top-quality materials of European origin and ergonomic design, along with innovative solutions that enhance the comfort and timeless aesthetics of the final home.
Meet The Family Behind Theros Development
Where Thirty Years of Experience Meets Modern Architectural Creativity
Dimitris Mourmouris
Project Coordinator | Construction & Implementation SpecialistThe coordinator between the design and implementation of your project. With decades of expertise in various fields of the construction sector, they will implement your design with care and attention to detail, providing the best solutions to each of your problems.
Aggeliki Alexandri
Operations & Procurement ManagerThe administrator of the necessary procedures for the smooth progress of your project. She takes care of the paperwork and orders the supplies you choose, ensuring organization and prompt service.
Despoina Mourmouri Alexandri
Architectural Engineer | Project Design & Implementation LeadThe architect and engineer who will take on the design of your project from the initial concept to the complete implementation study. Focusing on your needs, they will create a functional and modern project.