corporary

B3 ECODESIGN

Active
SIREN 528985237 VAT number FR27528985237

Business purpose.

transformation, l'aménagement, l'assemblage de modules métalliques en matière d'habitation, de bureaux, de locaux professionnels, de locaux indus triels et d'équipements publics

B3 ECODESIGN is a company registered under SIREN number 528985237, with its registered office in CHARTRES-DE-BRETAGNE. Its main activity falls under the sector: Specialised construction activities. It has 3 establishments. 2 serving directors are recorded in the national business register. Its reported revenue for the financial year ended in 2025 is 2,429,591 euros.

Sources: INSEE Sirene, INPI RNE, INPI, annual accounts.

Identity

Legal form
SAS, simplified joint-stock company
Activity
Masonery works and building structural works (43.99C)
Sector
Specialised construction activities
Headcount
20 to 49 employees
Created
3 Jan 2011
Share capital
773,200.00 EUR
Registered with the trade register
14 Dec 2010
Financial year end
31/12
Establishments
3

Directors

Other companies at the same address

11 other company head offices are registered at this address.

Establishments

Financial strength

Financial score

17 / 100 E

Confidence: high · computed on the financial year ended 31 Dec 2025

Equity to assets (-49.2 %)
0.0 out of 30
EBITDA margin (-87.0 %)
0.0 out of 25
Liquidity (58.2 %)
1.5 out of 20
Debt (0.0 %)
15.0 out of 15
Revenue trend (-73.8 %)
0.0 out of 10

formula fin-1.0

Legal score

100 / 100 A

Confidence: high

No insolvency proceedings
40.0 out of 40
Currently trading
20.0 out of 20
Age (15.8 years)
20.0 out of 20
Accounts filed recently
20.0 out of 20

formula leg-1.0

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.

Revenue and net income by financial year
2019 2020 2021 2022 2023 2024 2025

Revenue Net income

Financial year Revenue Change EBITDA Net income
31 Dec 2025 2,429,591 € -73.8 % -2,113,996 € -2,486,179 €
31 Dec 2024 9,274,071 € +1.3 % -4,888,257 € -4,051,100 €
31 Dec 2023 9,157,402 € +28.5 % -4,606,359 € -6,300,499 €
31 Dec 2022 7,125,989 € +27.6 % -2,325,932 € -2,618,027 €
31 Dec 2021 5,585,563 € -23.9 % -1,635,353 € -1,947,813 €
31 Dec 2020 7,339,473 € +159.9 % -3,198,775 € -3,299,042 €
31 Dec 2019 2,823,855 € first year on record -2,890,962 € -2,753,764 €

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

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Collective agreements

Agreements declared by the employer in its payroll filings.

  • Convention collective nationale de la métallurgie du 7 février 2022 - Étendue par arrêté du 14 décembre 2022 JORF 22 décembre 2022

    IDCC 3248 · in force, extended · 1 establishment · declared in July 2026

Legal notices

  • Filing of accounts 21 Jul 2026
    Court :
    Greffe du Tribunal de Commerce de rennes
    Type of filing :
    Comptes annuels et rapports
    Closing date :
    31/12/2025

    BODACC C n 20260136, annonce n 6170 · Proof of publication (PDF)

  • Filing of accounts 10 Oct 2025
    Court :
    Greffe du Tribunal de Commerce de rennes
    Type of filing :
    Comptes annuels et rapports
    Closing date :
    31/12/2024

    BODACC C n 20250195, annonce n 1852 · Proof of publication (PDF)

  • Filing of accounts 14 Jul 2024
    Court :
    Greffe du Tribunal de Commerce de rennes
    Type of filing :
    Comptes annuels et rapports
    Closing date :
    31/12/2023

    BODACC C n 20240135, annonce n 2692 · Proof of publication (PDF)

  • Amendment 4 Aug 2023
    Court :
    Greffe du Tribunal de Commerce de Rennes
    Amendment :
    Modification survenue sur l'administration.

    BODACC B n 20230149, annonce n 489 · Proof of publication (PDF)

  • Filing of accounts 28 Apr 2022
    Court :
    Greffe du Tribunal de Commerce de rennes
    Type of filing :
    Comptes annuels et rapports
    Closing date :
    31/12/2021

    BODACC C n 20220083, annonce n 1231 · Proof of publication (PDF)

  • Filing of accounts 19 May 2021
    Court :
    GREFFE DU TRIBUNAL DE COMMERCE DE RENNES
    Type of filing :
    Comptes annuels et rapports
    Closing date :
    31/12/2020

    BODACC C n 20210097, annonce n 1748 · Proof of publication (PDF)

  • Amendment 31 Oct 2020
    Court :
    GREFFE DU TRIBUNAL DE COMMERCE DE RENNES
    Amendment :
    transfert du siège social.

    BODACC B n 20200213, annonce n 1361 · Proof of publication (PDF)

  • Filing of accounts 19 Jul 2020
    Court :
    GREFFE DU TRIBUNAL DE COMMERCE DE RENNES
    Type of filing :
    Comptes annuels et rapports
    Closing date :
    31/12/2019

    BODACC C n 20200138, annonce n 3599 · Proof of publication (PDF)

  • Amendment 9 Aug 2019
    Court :
    GREFFE DU TRIBUNAL DE COMMERCE DE RENNES
    Amendment :
    Modification de représentant.

    BODACC B n 20190153, annonce n 363 · Proof of publication (PDF)

Public contracts won

11 current contracts

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

Annual accounts as PDF →

Filings and accounts

  • Formality 3 Jul 2026
  • Formality 3 Jul 2026
  • Formality 3 Jul 2026
  • Formality 28 Aug 2025
  • Formality 28 Aug 2025
  • Formality 2 Jul 2025

Change history

  • officer_appointed (empty) → President de SAS 5 Oct 2026
  • officer_appointed (empty) → Commissaire aux comptes titulaire 5 Oct 2026
  • registered_address (empty) → La Janais Batiment 1 35131 Chartres-de-Bretagne 3 Oct 2026

Frequently asked questions about B3 ECODESIGN

What is the SIREN number of B3 ECODESIGN?
The SIREN number of B3 ECODESIGN is 528985237. Its intra-community VAT number is FR27528985237.
Where is the head office of B3 ECODESIGN?
Head office address: LA JANAIS, 35131 CHARTRES-DE-BRETAGNE.
When was B3 ECODESIGN founded?
B3 ECODESIGN was founded on 3 Jan 2011.
What does B3 ECODESIGN do?
Its declared main activity is: Masonery works and building structural works (NAF code 43.99C).
Who runs B3 ECODESIGN?
The officers listed in the register are DELOITTE & ASSOCIES (Commissaire aux comptes titulaire), EIFFAGE CONSTRUCTION (President de SAS).
What is the revenue of B3 ECODESIGN?
The latest published revenue is 2,429,591 €, for the 2025 financial year.
How many employees does B3 ECODESIGN have?
The declared headcount is 20 to 49 employees. Insee data for 2024.
Is B3 ECODESIGN subject to insolvency proceedings?
No ongoing insolvency proceedings are published in the BODACC for this company.

In the official registers

Further reading

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