TECTONE

Active

SIREN 343640140 VAT number FR67343640140

TECTONE is a company registered under SIREN number 343640140, with its registered office in PARIS. Its main activity falls under the sector: Architectural and engineering activities; technical testing and analysis. It has 4 establishments. 2 serving directors are recorded in the national business register. Its reported revenue for the financial year ended in 2024 is 928,385 euros.

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

Identity

Legal form: SARL (no further detail)
Activity: Architectural activities (71.11Z)
Sector: Architectural and engineering activities; technical testing and analysis
Headcount: 6 to 9 employees
Created: 29 Jan 1988
Share capital: 7,622.00 EUR
Registered with the trade register: 1 Feb 1988
Financial year end: 31/12
Establishments: 4

Directors

Information not disclosable Gerant
Etienne CHEVREUL-DEMAS 46 years old, 05/1980 Gerant

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.

TECTWO via Etienne CHEVREUL-DEMAS

Other companies at the same address

4 other company head offices are registered at this address.

Establishments

34364014000046 registered office 75013 PARIS
34364014000012 75005 PARIS
34364014000020 75012 PARIS
34364014000038 75013 PARIS

Financial strength

Financial score

25 / 100 E

Confidence: medium · computed on the financial year ended 31 Dec 2024

Equity to assets (-43.2 %): 0.0 out of 30
EBITDA margin (-6.7 %): 5.3 out of 25
Liquidity (79.2 %): 2.5 out of 20
Debt (-131.1 %): 15.0 out of 15
Revenue trend (-5.3 %): 1.8 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 (38.8 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 Net income

Financial year	Revenue	Change	EBITDA	Net income
31 Dec 2024	928,385 €	-5.3 %	-61,936 €	-57,541 €
31 Dec 2023	980,015 €	+60.6 %	10,366 €	1,244 €
31 Dec 2021	610,050 €	-16.9 %	-52,829 €	-3,762 €
31 Dec 2019	734,168 €	-1.6 %	27,179 €	11,982 €
31 Dec 2018	746,453 €	+27.4 %	3,215 €	25,873 €
31 Dec 2017	585,717 €	+9.4 %	69,457 €	62,054 €
31 Dec 2016	535,629 €	first year on record	-28,036 €	-27,377 €

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 des entreprises d'architecture du 27 février 2003. Etendue par arrêté du 6 janvier 2004 JORF 16 janvier 2004.

IDCC 2332 · in force, extended · 1 establishment · declared in July 2026

Legal notices

Filing of accounts 15 Oct 2026

Court :

Greffe du Tribunal des Activités Economiques de paris

Type of filing :

Comptes annuels et rapports

Closing date :

31/12/2025

BODACC C n 20260198, annonce n 9443 · Proof of publication (PDF)
Filing of accounts 19 Nov 2025

Court :

Greffe du Tribunal des Activités Economiques de paris

Type of filing :

Comptes annuels et rapports

Closing date :

31/12/2024

BODACC C n 20250222, annonce n 1376 · Proof of publication (PDF)
Filing of accounts 11 Jul 2024

Court :

Greffe du Tribunal de Commerce de paris

Type of filing :

Comptes annuels et rapports

Closing date :

31/12/2023

BODACC C n 20240133, annonce n 15338 · Proof of publication (PDF)
Filing of accounts 6 Jul 2022

Court :

Greffe du Tribunal de Commerce de paris

Type of filing :

Comptes annuels et rapports

Closing date :

31/12/2021

BODACC C n 20220130, annonce n 6598 · Proof of publication (PDF)
Amendment 30 Jun 2022

Court :

Greffe du Tribunal de Commerce de Paris

Amendment :

modification survenue sur l'administration

BODACC B n 20220126, annonce n 3494 · Proof of publication (PDF)
Filing of accounts 15 Jul 2021

Court :

GREFFE DU TRIBUNAL DE COMMERCE DE PARIS

Type of filing :

Comptes annuels et rapports

Closing date :

31/12/2020

BODACC C n 20210136, annonce n 3148 · Proof of publication (PDF)
Filing of accounts 15 Dec 2020

Court :

GREFFE DU TRIBUNAL DE COMMERCE DE PARIS

Type of filing :

Comptes annuels et rapports

Closing date :

31/12/2019

BODACC C n 20200243, annonce n 4469 · Proof of publication (PDF)
Filing of accounts 27 Sep 2019

Court :

GREFFE DU TRIBUNAL DE COMMERCE DE PARIS

Type of filing :

Comptes annuels et rapports

Closing date :

31/12/2018

BODACC C n 20190187, annonce n 2911 · Proof of publication (PDF)
Filing of accounts 3 Feb 2019

Court :

GREFFE DU TRIBUNAL DE COMMERCE DE PARIS

Type of filing :

Comptes annuels et rapports

Closing date :

31/12/2017

BODACC C n 20190024, annonce n 2441 · Proof of publication (PDF)

Public contracts won

8 current contracts

Office Public Habitat du Cher (Val de Berry) amount not reliable · 16 Dec 2025

Marché de maîtrise d' Œuvre - Construction de 40 logements collectifs sur le site du Bon Pasteur - BOURGES.
Immobilière Paris Sud Est 789,626 € · 30 Nov 2023

MARCHE DE MAITRISE D’OeUVRE DE REALISATION DE 49 LOGEMENTS LOCATIFS SOCIAUX ET UN LOCAL D’ACTIVITE, LOT CA31 DE LA ZAC SEINE GARE A VITRY-SUR-SEINE
Grand Paris Habitat 21,000,000 € · 25 Jan 2023

GIE.IDF-ACH-PF-FS-2022-27 bis-ACCORDS-CADRES A MARCHES SUBSEQUENTS POUR LA REALISATION DE MISSIONS DE MAITRISE D'UVRE (BUREAUX D’ETUDES COMPRIS) EN PHASE CONCEPTION
CDC Habitat 0 € · 25 Jan 2023

Le présent appel d’offres concerne la mise en place d’un accord-cadre à marchés subséquents pour la réalisation de missions de maîtrise d’œuvre (bureaux d’études compris) en phase...
Commune D Ivry sur Seine (Mairie) 141,400 € · 27 Jul 2022

Etude urbaine participative Cœur de Ville en vue de la requalification du centre-ville d’Ivry-sur-Seine
Commune D Ivry sur Seine (Mairie) 141,400 € · 27 Jul 2022

procédure adaptée restreinte relative à l’étude urbaine participative Cœur de Ville en vue de la requalification du centre-ville d’Ivry-sur-Seine
OPH Rennes Métropole Archipel Habitat 439,147 € · 14 Apr 2021

Mission de maîtrise d’oeuvre pour réalisation d’un programme d’environ 37 logements locatifs sociaux et 9 logements en accession maîtrisée - RENNES (35000) : ZAC Baud Chardonnet -...
CDC Habitat (Établissement Sud Ouest) 720,558 € · 20 Nov 2020

BORDEAUX-BRAZZA 6049-88 Logements

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

Annual accounts as PDF →

Change history

officer_appointed (empty) → Gerant 9 Oct 2026
officer_appointed (empty) → Gerant 9 Oct 2026
registered_address (empty) → 34 rue du Banquier 75013 Paris 1 Oct 2026
capital (empty) → 7622.00 1 Oct 2026

Frequently asked questions about TECTONE

What is the SIREN number of TECTONE?: The SIREN number of TECTONE is 343640140. Its intra-community VAT number is FR67343640140.
Where is the head office of TECTONE?: Head office address: 34 RUE DU BANQUIER, 75013 PARIS.
When was TECTONE founded?: TECTONE was founded on 29 Jan 1988.
What does TECTONE do?: Its declared main activity is: Architectural activities (NAF code 71.11Z).
Who runs TECTONE?: The officer listed in the register is Etienne CHEVREUL-DEMAS (Gerant).
What is the revenue of TECTONE?: The latest published revenue is 928,385 €, for the 2024 financial year.
How many employees does TECTONE have?: The declared headcount is 6 to 9 employees. Insee data for 2024.
Is TECTONE subject to insolvency proceedings?: No ongoing insolvency proceedings are published in the BODACC for this company.