SIDEST

What SIDEST does

SIDEST (Syndicat Intercommunal de Dépollution des eaux résiduaires de l'Est) is a public intercommunal syndicate founded in 2007 and headquartered at 58, rue de Trèves, Grevenmacher, Luxembourg. It operates and manages wastewater collection, treatment, and sludge management infrastructure on behalf of 24 member communes in eastern Luxembourg. The organization runs a network of five wastewater treatment plants — STEP Betzdorf, STEP Echternach, STEP Uebersyren, KA Grevenmacher, and KA Emerange/Aspelt — delivering collective purification services that individual small communes could not economically operate independently.

SIDEST's service portfolio centers on conventional wastewater treatment supplemented by advanced purification initiatives. Most notably, the organization is conducting research on micropollutant elimination at the Grevenmacher clarification plant using an optimized ozone process supplied by ProMinent GmbH as an additional purification stage. It also runs a multilingual public awareness campaign (French, German, Luxembourgish) on wet-wipes disposal — a recurring source of pump damage that has generated "multiple thousands of euros" in annual maintenance costs distributed across member commune budgets. Active capital projects include the KA Uebersyren plant modernization and a new collector/canalization between Beyren and Gouschteng.

The business model is a regulated public-utility model: SIDEST is funded through member commune contributions recovered via water pricing, with no venture capital or private equity exposure. Governance is exercised through a Committee and Bureau composed of elected municipal representatives, with Jérôme Laurent (Bourgmestre of Mertert) serving as President. Commercial activity is concentrated entirely in eastern Luxembourg, and customer relationships are statutory public-service mandates rather than discretionary contracts.

Name

SIDEST

Legal name

Syndicat Intercommunal de Dépollution des eaux résiduaires de l'Est

Website

https://sidest.lu

Company type

Private

Founded year

2007

Operating status

Operating

Headcount range

11–50 employees

Short description

SIDEST is a Luxembourg public intercommunal syndicate that operates five wastewater treatment plants providing collection, treatment, and sludge management services for 24 member communes in eastern Luxembourg, funded via municipal water pricing.

Ownership category

akta.pro rank

Product category

Municipal Wastewater Treatment Services

NAICS

Sewage Treatment Facilities (221320), Sewage Treatment Facilities (22132)

SIC

Electric, Gas & Sanitary Services (4900)

akta.pro primary industry

Sludge/Biosolids Handling & Treatment Facilities Construction (IMAFAGAJ)

akta.pro secondary industry

Groundwater Extraction, Treatment & Discharge (Pump-and-Treat, reinjection) (BPALAKAF)

Keywords

• Municipal wastewater treatment
• Inter-municipal water utilities
• Water purification services
• Sludge management services
• Micropollutant removal

Headquarters

HQ city

Grevenmacher

HQ country

Luxembourg

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Technology or R&D

Revenue model

1. Municipal Wastewater Treatment Services: Public utility funded by member communes through water pricing. Costs for pump repairs and maintenance are distributed across member commune budgets and recovered through water prices.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

SIDEST operates and manages inter-municipal wastewater collection, treatment infrastructure, and sludge management services for 24 member communes in eastern Luxembourg. The syndicate runs five wastewater treatment plants (stations d'épuration) and is exploring advanced purification through an ozone-based micropollutant removal stage at the Grevenmacher facility.

Product overview

SIDEST (Syndicat Intercommunal de Dépollution des eaux résiduaires de l'Est) is a regional wastewater association in Luxembourg operating a network of five wastewater treatment plants (STEP Betzdorf, STEP Echternach, STEP Uebersyren, KA Grevenmacher, and KA Emerange/Aspelt). The organization provides core wastewater treatment and purification services for member communes in eastern Luxembourg. Recent initiatives include advanced micropollutant removal research using ozone treatment technology provided by ProMinent GmbH, installed at the Grevenmacher facility as an additional purification stage.

Differentiator

Problem solved

Functional benefit

Products and services

• Wastewater Treatment Services Inter-municipal wastewater collection, biological/mechanical treatment, and sludge management services delivered through a network of five treatment plants (STEP Betzdorf, STEP Echternach, STEP Uebersyren, KA Grevenmacher, KA Emerange/Aspelt) to 24 member communes in eastern Luxembourg.
• Ozone Treatment System for Micropollutant Removal Advanced ozone-based purification stage for eliminating micropollutants from wastewater, installed at the Grevenmacher clarification plant and provided by ProMinent GmbH as an additional treatment step beyond conventional wastewater processing.

Quantifiable outcome

• Multiple thousands of euros in annual maintenance costs for wet wipes damage prevention

Named customers6 records

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Nine partnerships are on record, tiered supporting, core and minor.

• SIGI (Syndicat Intercommunal de Gestion Informatique)supportingTechnology or IntegrationSIGI provides web hosting services for the SIDEST website (sidest.lu). SIGI is an intercommunal IT management syndicate serving Luxembourg municipalities.
• SIGIsupportingTechnology or IntegrationProvides hosting services for SIDEST's digital infrastructure.
• ProMinent GmbHcoreTechnology or IntegrationProMinent GmbH provided the ozone system for the micropollutant removal research project at the Grevenmacher clarification plant. This is an additional purification stage for advanced wastewater treatment.
• SIDEREminorOthersWater syndicate partner organization listed in the partners section of SIDEST website.
• SIACHminorOthersWater syndicate partner organization listed in the partners section of SIDEST website.
• SIVECminorOthersWater syndicate partner organization listed in the partners section of SIDEST website.
• APSELminorOthersWater syndicate partner organization listed in the partners section of SIDEST website.
• ALUSEAUminorOthersWater syndicate partner organization listed in the partners section of SIDEST website.
• SIDENminorOthersWater syndicate partner organization listed in the partners section of SIDEST website.

Scale indicators3 records

Recent moves5 records

Expansion highlights2 records

Direct peers

• SIACH: Luxembourg intercommunal water syndicate explicitly linked on SIDEST's partner page. Shares the same inter-municipal syndicate governance structure and serves neighboring communes in Luxembourg.
• APSEL: Luxembourg intercommunal water syndicate listed alongside SIDEST. Directly comparable in structure, geographic scope (intra-Luxembourg), and member-funded utility model.
• SIVEC: Luxembourg intercommunal water syndicate and SIDEST partner. Operates with the same cooperative public-body governance model across a different cluster of Luxembourg communes.
• ALUSEAU: Luxembourg intercommunal water syndicate cited as a SIDEST partner. Operates in the same regulatory environment (Luxembourg law) and provides overlapping municipal water/wastewater services to a different commune cluster.
• SEBES (Syndicat des Eaux du Barrage d'Esch-sur-Sûre): Luxembourg intercommunal water syndicate supplying drinking water from the Esch-sur-Sûre reservoir. Shares the inter-municipal syndicate governance model and Luxembourg regulatory context as SIDEST.
• SIDEN: Luxembourg intercommunal water syndicate listed as a SIDEST partner. Operates with comparable governance and service-mix characteristics for member municipalities in another region of Luxembourg.
• SIDERO: Luxembourg intercommunal water syndicate listed as a partner on SIDEST's website. Operates a comparable multi-municipal water/wastewater utility model for a different region of Luxembourg, making it the closest structural peer.

Regional players

• Berliner Wasserbetriebe: Publicly owned municipal water and wastewater utility for Berlin, Germany. Structurally similar (public/municipal ownership, regulated utility serving a defined population) but at much larger scale and outside SIDEST's Luxembourg geography.

Broad incumbents

• Suez (Suez Eau France / SUEZ Recycling & Recovery Luxembourg): Global water and wastewater operator with a Luxembourg footprint. Comparable in service offering (water and wastewater treatment for municipalities) but operates at vastly larger scale and as a commercial utility rather than a cooperative syndicate.
• Veolia Eau (Veolia Environnement): Global water and wastewater utility with Luxembourg operations (Veolia Luxembourg). Operates in the same broader water/wastewater category but as a large, diversified incumbent rather than a small inter-municipal syndicate.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/Sidestlux

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 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 SIDEST