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QUARTET

Active
SIREN 379648447 VAT number FR65379648447

QUARTET is a company registered under SIREN number 379648447, with its registered office in SAINT-PRIX. Its main activity falls under the sector: Architectural and engineering activities; technical testing and analysis. It has 2 establishments. 2 serving directors are recorded in the national business register. Its reported revenue for the financial year ended in 2025 is 816,743 euros.

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

Identity

Legal form
SARL (no further detail)
Activity
Engineering, technical studies (71.12B)
Sector
Architectural and engineering activities; technical testing and analysis
Headcount
3 to 5 employees
Created
1 Oct 1990
Share capital
40,000.00 EUR
Registered with the trade register
25 Jul 2000
Financial year end
31/12
Establishments
2

Directors

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.

Other companies at the same address

2 other active companies have their head office at this address.

Establishments

Financial strength

Financial score

83 / 100 A

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

Equity to assets (77.1 %)
25.9 out of 30
EBITDA margin (17.1 %)
18.7 out of 25
Liquidity (417.9 %)
14.6 out of 20
Debt (0.0 %)
15.0 out of 15
Revenue trend (21.1 %)
8.9 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 (36.1 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
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Revenue Net income

Financial year Revenue Change EBITDA Net income
31 Dec 2025 816,743 € +21.1 % 139,889 € 106,215 €
31 Dec 2024 674,499 € -5.1 % 42,400 € 43,526 €
31 Dec 2023 710,608 € -8.9 % 35,209 € 27,896 €
31 Dec 2022 779,895 € -1.6 % 67,304 € 49,704 €
31 Dec 2021 792,731 € +7.6 % 16,839 € 17,207 €
31 Dec 2020 736,699 € -4.6 % 68,102 € 64,435 €
31 Dec 2019 771,835 € +3.9 % 88,763 € 73,311 €
31 Dec 2018 742,525 € +2.3 % 14,033 € 9,189 €
31 Dec 2017 725,930 € +0.8 % 27,489 € 13,504 €
31 Dec 2016 719,831 € first year on record 20,742 € 10,831 €

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 bureaux d'études techniques, des cabinets d'ingénieurs-conseils et des sociétés de conseils du 15 décembre 1987.

    IDCC 1486 · in force, extended · 1 establishment · declared in July 2026

Legal notices

  • Filing of accounts 18 Aug 2026
    Court :
    Greffe du Tribunal de Commerce de pontoise
    Type of filing :
    Comptes annuels et rapports
    Closing date :
    31/12/2024

    BODACC C n 20260156, annonce n 10842 · Proof of publication (PDF)

  • Filing of accounts 18 Aug 2026
    Court :
    Greffe du Tribunal de Commerce de pontoise
    Type of filing :
    Comptes annuels et rapports
    Closing date :
    31/12/2025

    BODACC C n 20260156, annonce n 10843 · Proof of publication (PDF)

  • Filing of accounts 20 Oct 2024
    Court :
    Greffe du Tribunal de Commerce de pontoise
    Type of filing :
    Comptes annuels et rapports
    Closing date :
    31/12/2022

    BODACC C n 20240204, annonce n 8880 · Proof of publication (PDF)

  • Filing of accounts 20 Oct 2024
    Court :
    Greffe du Tribunal de Commerce de pontoise
    Type of filing :
    Comptes annuels et rapports
    Closing date :
    31/12/2023

    BODACC C n 20240204, annonce n 8881 · Proof of publication (PDF)

  • Filing of accounts 11 Oct 2024
    Court :
    Greffe du Tribunal de Commerce de pontoise
    Type of filing :
    Comptes annuels et rapports
    Closing date :
    31/12/2021

    BODACC C n 20240198, annonce n 4474 · Proof of publication (PDF)

  • Filing of accounts 29 Jun 2022
    Court :
    Greffe du Tribunal de Commerce de pontoise
    Type of filing :
    Comptes annuels et rapports
    Closing date :
    31/12/2020

    BODACC C n 20220125, annonce n 6965 · Proof of publication (PDF)

  • Filing of accounts 11 May 2021
    Court :
    GREFFE DU TRIBUNAL DE COMMERCE DE PONTOISE
    Type of filing :
    Comptes annuels et rapports
    Closing date :
    31/12/2019

    BODACC C n 20210092, annonce n 5080 · Proof of publication (PDF)

  • Filing of accounts 11 May 2021
    Court :
    GREFFE DU TRIBUNAL DE COMMERCE DE PONTOISE
    Type of filing :
    Comptes annuels et rapports
    Closing date :
    31/12/2018

    BODACC C n 20210092, annonce n 5079 · Proof of publication (PDF)

Public contracts won

35 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 →

Change history

  • officer_appointed (empty) → Gerant 9 Oct 2026
  • officer_appointed (empty) → Gerant 9 Oct 2026

Frequently asked questions about QUARTET

What is the SIREN number of QUARTET?
The SIREN number of QUARTET is 379648447. Its intra-community VAT number is FR65379648447.
Where is the head office of QUARTET?
Head office address: 1 PL CROIX ST JACQUES, 95390 SAINT-PRIX.
When was QUARTET founded?
QUARTET was founded on 1 Oct 1990.
What does QUARTET do?
Its declared main activity is: Engineering, technical studies (NAF code 71.12B).
Who runs QUARTET?
The officers listed in the register are CATHERINE ALPERIN (Gerant), CHRISTOPHE MOUTY (Gerant).
What is the revenue of QUARTET?
The latest published revenue is 816,743 €, for the 2025 financial year.
How many employees does QUARTET have?
The declared headcount is 3 to 5 employees. Insee data for 2023.
Is QUARTET 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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