DIADYMA

What DIADYMA does

DIADYMA Α.Ε. is the regional Integrated Solid Waste Management System (ΟΣΔΑ) operator for Western Macedonia, Greece. Founded in 1998 by the local authorities of the region as a joint initiative to fulfil statutory waste management obligations, the company has run the integrated system continuously since 2005 under an exclusive regional mandate (ΦοΔΣΑ). It is a privately held Anonymi Etairia (Greek public limited company), with the 12 municipalities of Western Macedonia serving simultaneously as shareholders and as sole institutional customers of the core service line.

The operating footprint comprises 12 facilities: one Central Waste Management Complex (ΚΕΟΔ) at the Kozani–Ptolemaidas corridor, ten Local Waste Management Units (ΤΜΔΑ) distributed across the municipalities of Kozani, Florina, Kastoria, Grevena, Amyntaio, Voio, Servia, Siatista, Deskati, and Eordaia, plus Green Points and Reuse Centers. The infrastructure supports mixed MSW management, source-separated recyclables, biowaste composting, biogas generation, WEEE handling, hazardous household waste, bulky/green waste, and cooking-oil recycling. The system processes approximately 300 tonnes per day (96,000 tonnes per year) of municipal solid waste, with a 67% recovery/utilization rate and 95% diversion of biodegradable waste from landfill (2024 results). Digital channels include sensor-equipped smart bins, an "Earn As You Throw" citizen reward platform, a reuse marketplace (reuse.diadyma.gr), and the RU READY podcast series.

The business model is a public-sector managed-services utility: revenue is generated through municipal service fees and government contracts awarded via the national public procurement system (ΕΣΗΔΗΣ), supplemented by Green Fund and EU co-financing (LIFE IP CEI GREECE, INTERREG, HORIZON Europe, Just Transition Fund). GTM is sales-led into municipal governments; pricing is set through competitive tendering and statutory frameworks rather than published consumer pricing. The entity is positioned within the Greek national ΦοΔΣΑ network and the European "Good Practice" set for solid waste management, and is currently in feasibility/planning for a Circular Economy Park intended to expand downstream valorization activities.

Name

DIADYMA

Legal name

ΔΙΑΔΥΜΑ Α.Ε.

Website

https://diadyma.gr

Company type

Private

Founded year

1998

Operating status

Operating

Headcount range

101–250 employees

Short description

DIADYMA is the Greek regional waste management utility operating the Integrated Solid Waste Management System for Western Macedonia. It serves 12 municipalities via 12 facilities, processing 96,000 tonnes of municipal solid waste annually with a 67% recovery rate.

Ownership category

akta.pro rank

Product category

Waste Management Services

NAICS

Solid Waste Collection (562111), Hazardous Waste Treatment and Disposal (562211), Solid Waste Landfill (562212)

SIC

Refuse Systems (4953), Sanitary Services (4950), Hazardous Waste Management (4955)

akta.pro industry

PRIMARYBPAIACAH

Solid Waste & Recycling Services Administration

Business & Public Services/Public Sector & Government Administration/Local/Municipal Government Administration

SECONDARYBPALACAB

Hazardous Waste Landfill Disposal

Business & Public Services/Waste Management & Remediation Services/Waste Treatment & Disposal (Landfill, Incineration, Waste-to-Energy)

SECONDARYBPALAFAJ

Universal Waste Management (Batteries, Lamps, Mercury Devices, Aerosols)

Business & Public Services/Waste Management & Remediation Services/Hazardous Waste Management (Transport, Treatment, Storage, Disposal)

SECONDARYEUAIAGAA

Commercial & Office Waste Collection (Non-hazardous)

Energy, Utilities & Environment/Environmental Services (Waste Management, Recycling & Remediation)/Industrial & Commercial Waste Services (Non-hazardous, Specialized Streams)

Keywords

• Integrated waste management
• Municipal solid waste services
• Recycling and composting
• Hazardous household waste
• Biogas energy recovery

Headquarters

HQ city

Kozáni

HQ country

Greece

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. Municipal Solid Waste Management Services: DIADYMA provides comprehensive waste management services to the municipalities of Western Macedonia under a public-sector framework. Revenue is generated through municipal fees, government contracts, and public procurement payments for waste collection, sorting, composting, and landfill operations. The company has been operating continuously since 2005 under the Integrated Solid Waste Management System (ΟΣΔΑ) model.

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

DIADYMA operates the Integrated Solid Waste Management System (ΟΣΔΑ) for the Western Macedonia region of Greece, providing municipal solid waste collection, sorting, composting, recycling, biogas generation, and sanitary landfill services across 12 municipalities. The organization processes 96,000 tonnes of municipal solid waste annually through a network of 12 facilities including a central complex (ΚΕΟΔ), 10 local waste management units (ΤΜΔΑ), green points, and reuse centers.

Product overview

DIADYMA operates an integrated waste management system (Ολοκληρωμένο Σύστημα Διαχείρισης Απορριμμάτων - ΟΣΔΑ) for Western Macedonia, Greece. The company offers a comprehensive portfolio of waste management services including mixed municipal solid waste management, recyclable materials management, biowaste management, electrical and electronic waste (WEEE) management, bulky and green waste management, hazardous waste management, and institutional support. The service portfolio includes physical infrastructure (central and local waste management facilities, green points, reuse centers) and digital services (reward systems, smart bin technology, cooking oil recycling platforms, podcast content). Key facilities include KEOD (Central Integrated Waste Management Facilities) and multiple TMDA (Local Waste Management Units) across the region. The company manages approximately 96,000 tonnes of municipal solid waste annually through 12 installations, achieving 67% utilization rate and 17,600 tonnes of recyclable material recovery.

Differentiator

Problem solved

Functional benefit

Products and services

• Mixed Municipal Solid Waste Management (Διαχείριση Σύμμεικτων ΑΣΑ) Management and processing of mixed municipal solid waste (MSW) through the integrated waste management system of Western Macedonia, handling approximately 300 tonnes per day.
• Recyclable Materials Management (Διαχείριση Ανακυκλώσιμων Υλικών) Collection, sorting, and processing of recyclable materials including paper, plastic, aluminum, and glass through source-separated collection and recycling programs.
• Biowaste Management (Διαχείριση Βιοαποβλήτων) Management of biodegradable waste including food waste and green waste through composting and biological treatment processes.
• WEEE Management (Διαχείριση ΑΗΗΕ) Collection and management of waste electrical and electronic equipment (WEEE) ensuring proper recycling and disposal.
• Bulky & Green Waste Management (Διαχείριση Ογκωδών & Πράσινων Αποβλήτων) Collection and processing of bulky items and green garden waste from households and municipalities.
• Commercial Waste Management for Private Enterprises (Διαχείριση Μη Επικινδύνων Αποβλήτων Ιδιωτικών Επιχειρήσεων) Paid commercial service for management of non-hazardous waste from private businesses operating in the Western Macedonia region.
• Hazardous Waste Management (Διαχείριση Επικινδύνων Αποβλήτων) Safe collection and management of hazardous household waste including batteries, lightbulbs, paints, and chemicals, presented as a model of good practice within the LIFE IP CEI GREECE project.
• Reuse Centers (Κέντρα Δημιουργικής Επαναχρησιμοποίησης Υλικών) Creative Reuse Centers where citizens can donate and obtain reusable items free of charge, supporting material circularity and waste prevention.
• Green Points (Πράσινα Σημεία) Green collection points where citizens can drop off recyclable materials, green waste, and other designated waste streams.
• Points Reward System (Σύστημα Επιβράβευσης Πόντων) Digital reward system where citizens earn points for recycling activities, redeemable for rewards and incentives.
• Frying Oil Recycling (Ανακύκλωση Τηγανελαίων) Collection and recycling of used cooking oils through designated collection points and ATMs across Western Macedonia.
• Institutional Support (Υποστήριξη Φορέων) Technical and advisory support provided to public bodies and institutions on waste management practices and circular economy implementation.

Quantifiable outcome

• 67% of Municipal Solid Waste is recovered/utilized (2024)
• +3 more outcomes

Named customers1 record

Segments1 record

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

Feature3 records

Partnerships

26 partnerships are on record, tiered core, moderate and minor.

• European Commission — Association of European Border Regions (AEBR)coreStrategic or Co-development Partner · 11 March 2025DIADYMA participates in the IVY – Interreg Volunteer Youth programme, an initiative of the European Commission implemented by the Association of European Border Regions (AEBR), hosting youth volunteers to gain experience in European projects.
• RU READY — Interreg VI-A Greece–North Macedonia 2021-2027coreStrategic or Co-development Partner · 1 January 2024DIADYMA serves as Lead Partner (Επικεφαλής Εταίρος) for the cross-border project RU READY (Reduce, reUse and RecyclE Actions for cross borDer interplaY), co-funded at 80% by the EU. The project pilots the 'Earn As You Throw' system in Velventos municipality and a Materials Reuse Center in Bitola, North Macedonia.
• Ministry of Environment and Energy (Υπουργείο Περιβάλλοντος και Ενέργειας)coreStrategic or Co-development PartnerDIADYMA operates under the regulatory oversight of the Ministry of Environment and Energy and participates in national waste management planning frameworks (ΠΕΣΔΑ).
• Network of Solid Waste Management Bodies (Δίκτυο Φορέων Διαχείρισης Στερεών Αποβλήτων)moderateStrategic or Co-development PartnerDIADYMA is a member of the Network of Solid Waste Management Bodies in Greece (diktiofodsa.gr), a national coordination body for waste management entities.
• Hellenic Recovery Resources Corporation (ΕΕΑΑ Α.Ε.)coreStrategic or Co-development PartnerDIADYMA has a cooperation agreement dated 27/03/2008 with ΕΕΑΑ Α.Ε. (Hellenic Recovery Resources Corporation) for the management of source-separated recyclable materials from the Blue Bin system (Διαλογή στην Πηγή).
• LIFE18 IPE/GR/000013 — Circular Economy Implementation in Greece (LIFE IP CEI GREECE)coreStrategic or Co-development PartnerDIADYMA participates in the LIFE IP CEI GREECE project coordinated by the Ministry of Environment and Energy, focused on implementing circular economy practices including hazardous household waste management systems.
• iCOSHELLs — HORIZON-MISS-2023-SOIL-01moderateStrategic or Co-development PartnerDIADYMA participates in the iCOSHELLs project (Innovative CO-creation Soil HEalth Living Labs, Project: 101157394) under Horizon Europe, focusing on soil health living labs.
• EcoZani — European Urban Initiative (EUI)moderateStrategic or Co-development PartnerDIADYMA participates in EcoZani (Creative, innovative and inclusive ecosystems towards just work transition in Kozani, Project: EUI02-186), supporting the economic transition of Western Macedonia.
• DIGITAL — Interreg VI-A IPA Greece-Albania 2021-2027moderateStrategic or Co-development PartnerDIADYMA participates in the DIGITAL project (Introducing Digital Tools for Monitoring Waste Management in Urban Areas, MIS 601883) under Interreg VI-A IPA Greece-Albania, focusing on digital transformation of waste monitoring.
• VERDEinMED — Euro-MEDmoderateStrategic or Co-development PartnerDIADYMA participates in VERDEinMED (PreVEnting and ReDucing the tExtiles waste mountain in the MED area, Euro-MED0200343), addressing textile waste reduction in the Mediterranean region.
• SYNERGiNN EDIH — Κόμβος Ψηφιακής Καινοτομίας Δυτικής ΜακεδονίαςmoderateStrategic or Co-development PartnerDIADYMA participates in the SYNERGiNN European Digital Innovation Hub for Western Macedonia (Κόμβος Ψηφιακής Καινοτομίας Δυτικής Μακεδονίας, ΟΠΣ 6001586) to support digital transformation in waste management.
• LESS WASTE II — Interreg IPA Greece–North MacedoniamoderateStrategic or Co-development PartnerDIADYMA participated in LESS WASTE II (Development of an Action Plan for the Management of Bio-wastes at the Cross-Border Region), a predecessor cross-border waste management project under Interreg IPA Greece-North Macedonia 2014-2020.
• URSOILL — HORIZONminorStrategic or Co-development PartnerDIADYMA participates in URSOILL (Innovative Solutions for Sustainable Urban Soil Restoration Through Living Labs, Pr. number: 101219012), focused on urban soil restoration.
• CARED — Interreg VI-A Greece–North MacedoniaminorStrategic or Co-development PartnerDIADYMA participates in CARED (Circular Agriculture for Rural Economic Development) under Interreg VI-A IPA CBC Greece-North Macedonia 2021-2027 (MIS 6006338).
• CIRCLE — Interreg VI-A IPA Greece-AlbaniaminorStrategic or Co-development PartnerDIADYMA participates in CIRCLE (Circular Economy Park) under Interreg VI-A IPA Greece-Albania 2021-2027 (MIS 6018805).
• NEUTRON — H2020 NetZero CitiesmoderateStrategic or Co-development PartnerDIADYMA participates in NEUTRON (Net-zero Energy fUture through the identification of innovative Technologies under a circular, sustainable, and inclusive just transition, Grant Agreement no: 101036519), supporting Kozani's transition to net-zero.
• HOOP — European CommissionminorStrategic or Co-development PartnerDIADYMA participated in HOOP (Hub of Circular Cities Boosting Platform to Foster Investments for the Valorisation of Urban Biowaste and Wastewater, EU Grant Agreement 101000836).
• UV-LEACH — ΕΣΠΑ/Ταμείο Δίκαιης Αναπτυξιακής ΜετάβασηςminorStrategic or Co-development PartnerDIADYMA implemented UV-LEACH, a hybrid leachate treatment model at the landfill combining Advanced Oxidation Processes (AOPs) and membrane technology, funded under the Just Transition Development Fund (Τ2ΕΔΚ-00137).
• Model2bio — H2020-BBI-JTIminorStrategic or Co-development PartnerDIADYMA participated in Model2bio (Modelling tool for giving value to agri-food residual streams in bio-based industries, H2020-BBI-JTI-2019, Project number: 887191).
• NOMAD — H2020minorStrategic or Co-development PartnerDIADYMA participated in NOMAD (Novel Organic recovery using Mobile Advanced technology) under H2020-SFS-2018-2020.
• GREENPOINT-MOB — Interreg IPA Greece–North MacedoniaminorStrategic or Co-development PartnerDIADYMA implemented GREENPOINT-MOB (Development of a mobile Green Point at the cross-border region and promotion of prevention and recycling), a predecessor project under Interreg IPA Greece-North Macedonia 2014-2020.
• MarginUp! — HORIZON-CL6-2022-CIRCBIOminorStrategic or Co-development PartnerDIADYMA participates in MarginUp! (Raising the bio-based industrial feedstock capacity of Marginal Lands, HORIZON-CL6-2022-CIRCBIO-01, Project number: 101082089).
• IN2UCO — Green Fund 2019minorStrategic or Co-development PartnerDIADYMA implemented IN2UCO (Innovative pilot management of frying oils with citizen and student participation) under the Green Fund's 'Natural Environment & Innovative Actions 2019' programme.
• Municipalities of Western MacedoniacoreStrategic or Co-development PartnerDIADYMA's founding mandate is to serve the municipalities of Western Macedonia under the Integrated Solid Waste Management System (ΟΣΔΑ). Municipalities are shareholders and primary customers of the system.
• Public and Private Partnerships (ΣΔΙΤ)coreStrategic or Co-development PartnerDIADYMA operates under a Public-Private Partnership model (ΣΔΙΤ) with local government authorities for the integrated management of municipal solid waste in Western Macedonia.
• Circular Greece / LIFE IP CEI GREECE ConsortiummoderateStrategic or Co-development PartnerDIADYMA is an active member of the LIFE IP CEI GREECE consortium coordinated by the Ministry of Environment and Energy (LIFE18 IPE/GR/000013), presenting its hazardous household waste management system as a model of good practice transferable to other regions such as Elafonisos.

Scale indicators10 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• ΕΔΣΝΑ (Ειδικός Διαβαθμιδικός Σύνδεσμος Νομού Αττικής): The inter-municipal solid waste management body for the Attica region (Greater Athens). Directly comparable as a Greek ΦοΔΣΑ entity serving multiple municipalities with integrated collection, treatment, and disposal infrastructure, though at materially larger scale.
• ΣΥΔΙΣΑ (Σύνδεσμος Διαχείρισης Στερεών Αποβλήτων) – Achaia: Regional waste management association for the Achaia prefecture (Patras region). Operates as a Greek ΦοΔΣΑ-style body with similar integrated services including landfill, MBT, and recycling — directly comparable institutional and operational model.
• ΦοΔΣΑ Κεντρικής Μακεδονίας (Διαχειριστής Στερεών Αποβλήτων Κεντρικής Μακεδονίας): Regional solid waste management body for Central Macedonia, adjacent to Western Macedonia. Closest geographic and structural peer — same Greek ΦοΔΣΑ institutional model, integrated MSW/landfill/MBT operations serving multiple municipalities.
• ΔΙ.Α.Α.ΜΑ.Θ. (Διαχειριστής Απορριμμάτων Ανατολικής Μακεδονίας – Θράκης): Regional ΦοΔΣΑ entity for Eastern Macedonia–Thrace. Same Greek regional waste-body structure, serving a multi-municipality territory with integrated waste management services and EU-funded infrastructure projects.

Broad incumbents

• PreZero: European integrated environmental services provider covering collection, sorting, recycling, and treatment across multiple countries. Comparable as a broad incumbent with similar integrated waste management capabilities, though operating at significantly greater geographic and operational scale than DIADYMA.
• HELECTOR S.A. Greece's leading waste-to-energy and integrated waste management private operator. Comparable as a Greek player delivering integrated waste treatment at scale, but operating as a private incumbent across multiple regions rather than a regional public utility.
• FCC Medio Ambiente: Spanish-headquartered global environmental services division of FCC Group, operating waste collection, treatment, recycling, and disposal across Europe and the Americas. Comparable end-to-end waste management capabilities but at much larger multinational scale.
• Veolia Environmental Services: Global environmental services leader offering municipal waste collection, treatment, recycling, and circular-economy solutions. Closest analog as a multinational operator of municipal-scale integrated waste systems, though at vastly greater scale and geographic reach.
• Remondis: Germany-based family-owned waste and water management company with pan-European operations including collection, recycling, hazardous waste, and industrial services. Comparable integrated service breadth and public-sector municipal client base.
• SUEZ Recycling and Recovery: Major European water and waste management multinational with significant municipal and hazardous waste operations. Comparable integrated service portfolio (collection, sorting, MBT, recycling, landfill), though serving national-scale contracts across multiple countries.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@diadyma/podcasts
• Facebookfacebook.com/diadyma
• LinkedInlinkedin.com/company/diadyma-sa
• Instagraminstagram.com/diadyma_sa

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about DIADYMA