SILITECH

Directors

• FCN Commissaire aux comptes titulaire
• SEBASTIEN MICHEL HUGUES DEMANGEAT 44 years old, 06/1982 President de SAS
• SEBASTIEN DEMANGEAT 44 years old, 06/1982 President de SAS

Related companies

Companies run by the same people. Statutory auditors and liquidators are excluded: they serve in dozens of unrelated companies, and including them would draw groups that do not exist.

• VALORITECH via SEBASTIEN DEMANGEAT
• DEM via SEBASTIEN DEMANGEAT
• ARTDHESIF ENSEIGNES via SEBASTIEN DEMANGEAT
• ALCASI via SEBASTIEN MICHEL HUGUES DEMANGEAT
• SILITECH IMMO via SEBASTIEN MICHEL HUGUES DEMANGEAT
• SEFA UNION via SEBASTIEN MICHEL HUGUES DEMANGEAT

Other companies at the same address

One other company head office is registered at this address.

• DEM

Establishments

• 83143833800020 registered office 51340 PARGNY-SUR-SAULX
• 83143833800012 52100 SAINT-DIZIER
• 83143833800038 51250 SERMAIZE-LES-BAINS

Financial strength

These scores are computed by us from public data, using a published formula. They are not advice, not a guarantee, not a credit decision, and they do not replace a review of the accounts. See how it is calculated

Revenue and earnings

Detailed accounts for this company are not reproduced here, but its main aggregates are public.

Aggregates published by the French Directorate General for Enterprise, computed from accounts filed with the commercial court.

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• New companies in department 51 5,012

Collective agreements

Agreements declared by the employer in its payroll filings.

• Convention collective nationale des activités du déchet du 11 mai 2000. Etendue par arrêté du 5 juillet 2001 JORF 17 juillet 2001

  IDCC 2149 · repealed · 2 establishments · declared in July 2026

Legal notices

• Amendment 15 Jan 2026

  Court :

  Greffe du Tribunal de Commerce de Châlon-en-Champagne

  Amendment :

  modification survenue sur l'administration

  BODACC B n 20260009, annonce n 1368 · Proof of publication (PDF)

• Filing of accounts 4 Nov 2025

  Court :

  Greffe du Tribunal de Commerce de châlons-en-champagne

  Type of filing :

  Comptes annuels et rapports

  Closing date :

  31/03/2025

  BODACC C n 20250212, annonce n 2363 · Proof of publication (PDF)

• Filing of accounts 26 Jan 2025

  Court :

  Greffe du Tribunal de Commerce de châlons-en-champagne

  Type of filing :

  Comptes annuels et rapports

  Closing date :

  31/03/2024

  BODACC C n 20250018, annonce n 2002 · Proof of publication (PDF)

• Filing of accounts 7 May 2024

  Court :

  Greffe du Tribunal de Commerce de châlons-en-champagne

  Type of filing :

  Comptes annuels et rapports

  Closing date :

  31/03/2023

  BODACC C n 20240089, annonce n 2263 · Proof of publication (PDF)

• Filing of accounts 6 Nov 2022

  Court :

  Greffe du Tribunal de Commerce de châlons-en-champagne

  Type of filing :

  Comptes annuels et rapports

  Closing date :

  31/03/2022

  BODACC C n 20220216, annonce n 5112 · Proof of publication (PDF)

• Filing of accounts 21 Nov 2021

  Court :

  GREFFE DU TRIBUNAL DE COMMERCE DE CHÂLONS-EN-CHAMPAGNE

  Type of filing :

  Comptes annuels et rapports

  Closing date :

  31/03/2021

  BODACC C n 20210226, annonce n 2014 · Proof of publication (PDF)

• Amendment 28 Jul 2021

  Court :

  GREFFE DU TRIBUNAL DE COMMERCE DE CHÂLON-EN-CHAMPAGNE

  Amendment :

  modification survenue sur le capital (augmentation)

  BODACC B n 20210145, annonce n 1137 · Proof of publication (PDF)

• Filing of accounts 20 Jan 2021

  Court :

  GREFFE DU TRIBUNAL DE COMMERCE DE CHÂLONS-EN-CHAMPAGNE

  Type of filing :

  Comptes annuels et rapports

  Closing date :

  31/03/2020

  BODACC C n 20210013, annonce n 3149 · Proof of publication (PDF)

• Amendment 9 Sep 2020

  Court :

  GREFFE DU TRIBUNAL DE COMMERCE DE CHÂLON-EN-CHAMPAGNE

  Amendment :

  modification survenue sur la forme juridique et l'administration

  BODACC B n 20200175, annonce n 360 · Proof of publication (PDF)

• Amendment 22 May 2020

  Court :

  GREFFE DU TRIBUNAL DE COMMERCE DE CHÂLON-EN-CHAMPAGNE

  Amendment :

  modification survenue sur le capital (augmentation)

  BODACC B n 20200098, annonce n 1586 · Proof of publication (PDF)

• Filing of accounts 14 Feb 2020

  Court :

  GREFFE DU TRIBUNAL DE COMMERCE DE CHÂLONS-EN-CHAMPAGNE

  Type of filing :

  Comptes annuels et rapports

  Closing date :

  31/03/2019

  BODACC C n 20200032, annonce n 1448 · Proof of publication (PDF)

• Amendment 1 Aug 2019

  Court :

  GREFFE DU TRIBUNAL DE COMMERCE DE CHÂLON-EN-CHAMPAGNE

  Amendment :

  modification survenue sur le capital (augmentation)

  BODACC B n 20190147, annonce n 1099 · Proof of publication (PDF)

• Filing of accounts 23 May 2019

  Court :

  GREFFE DU TRIBUNAL DE COMMERCE DE CHÂLONS-EN-CHAMPAGNE

  Type of filing :

  Comptes annuels et rapports

  Closing date :

  31/03/2018

  BODACC C n 20190099, annonce n 3774 · Proof of publication (PDF)

Public contracts won

1 current contract

• Haganis (Traitement des Déchets) 45,000 € · 7 Jan 2021

  FOURNITURE BLOCS MODULAIRES BETON PAVD

Source: essential public procurement data (DECP), Open Licence 2.0. Only the current version of each contract is shown.

Filings and accounts

• Formality 6 Jan 2026

Change history

• officer_appointed (empty) → Commissaire aux comptes titulaire 9 Oct 2026
• officer_appointed (empty) → President de SAS 9 Oct 2026
• officer_appointed (empty) → President de SAS 9 Oct 2026
• capital 250000.00 → 45000.00 3 Oct 2026
• capital 514800.00 → 250000.00 3 Oct 2026
• registered_address (empty) → 7 allée des Marronniers 51340 Pargny-sur-Saulx 1 Oct 2026
• capital (empty) → 514800.00 1 Oct 2026

Frequently asked questions about SILITECH

What is the SIREN number of SILITECH?

The SIREN number of SILITECH is 831438338. Its intra-community VAT number is FR87831438338.

Where is the head office of SILITECH?

Head office address: 7 ALLEE DES MARRONNIERS, 51340 PARGNY-SUR-SAULX.

When was SILITECH founded?

SILITECH was founded on 1 Aug 2017.

What does SILITECH do?

Its declared main activity is: Recovery of sorted materials (NAF code 38.32Z).

Who runs SILITECH?

The officers listed in the register are FCN (Commissaire aux comptes titulaire), SEBASTIEN MICHEL HUGUES DEMANGEAT (President de SAS), SEBASTIEN DEMANGEAT (President de SAS).

What is the revenue of SILITECH?

The latest published revenue is 0 €, for the 2025 financial year.

How many employees does SILITECH have?

The declared headcount is 20 to 49 employees. Insee data for 2024.

Is SILITECH subject to insolvency proceedings?

No ongoing insolvency proceedings are published in the BODACC for this company.

In the official registers

• French government company directory (data.gouv.fr)
• National business register (INPI)
• LEI identifier (GLEIF)

Further reading

• Business insolvencies in Grand Est, October 2026 edition
• New companies, insolvency proceedings and capital changes published this week
• How we compute the scores, and where this data comes from
• Query this data through the API or from an assistant (MCP)