SYNAPSE CONSTRUCTION
Business purpose.
Acquisition de titres et prestations de service à destination des sociétés détenues ou non, étude, conception de bâtiments, d'équipements, bureaux d'études techniques.
SYNAPSE CONSTRUCTION is a company registered under SIREN number 453036345, with its registered office in ECULLY. Its main activity falls under the sector: Architectural and engineering activities; technical testing and analysis. It has 14 establishments. 3 serving directors are recorded in the national business register. Its reported revenue for the financial year ended in 2025 is 7,149,413 euros.
Sources: INSEE Sirene, INPI RNE, INPI, annual accounts.
Identity
- Legal form
- SAS, simplified joint-stock company
- Activity
- Engineering, technical studies (71.12B)
- Sector
- Architectural and engineering activities; technical testing and analysis
- Headcount
- 50 to 99 employees
- Created
- 31 Mar 2004
- Share capital
- 211,001.00 EUR
- Registered with the trade register
- 20 Oct 2005
- Financial year end
- 31/12
- Establishments
- 14
Directors
- AVVENS AUDIT Commissaire aux comptes titulaire
- ROMUALD COLAS 49 years old, 12/1976 Commissaire aux comptes suppleant
- HIPPOCAMPE President de SAS
Other companies at the same address
6 other active companies have their head office at this address.
Establishments
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45303634500057 74000 ANNECY
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45303634500081 01100 BELLIGNAT
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45303634500099 92100 BOULOGNE BILLANCOURT
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45303634500131 92100 BOULOGNE-BILLANCOURT
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45303634500065 21000 DIJON
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45303634500149 21000 DIJON
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45303634500123 25480 ECOLE-VALENTIN
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45303634500115 74330 EPAGNY METZ-TESSY
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45303634500073 39000 LONS-LE-SAUNIER
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45303634500024 69009 LYON
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45303634500032 71000 MACON
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45303634500016 01100 OYONNAX
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45303634500040 69160 TASSIN-LA-DEMI-LUNE
Financial strength
Financial score
51 / 100 C
Confidence: high · computed on the financial year ended 31 Dec 2025
- Equity to assets (43.9 %)
- 16.5 out of 30
- EBITDA margin (6.1 %)
- 12.3 out of 25
- Liquidity (179.6 %)
- 7.8 out of 20
- Debt (19.0 %)
- 11.6 out of 15
- Revenue trend (0.7 %)
- 2.9 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 (22.6 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 2025 | 7,149,413 € | +0.7 % | 434,285 € | 127,846 € |
| 31 Dec 2024 | 7,097,107 € | +4.8 % | 243,648 € | 213,376 € |
| 31 Dec 2023 | 6,774,961 € | +2.4 % | 365,529 € | 352,623 € |
| 31 Dec 2022 | 6,619,108 € | +14.9 % | 395,227 € | 345,666 € |
| 31 Dec 2021 | 5,758,586 € | +2.0 % | 183,720 € | 148,183 € |
| 31 Dec 2020 | 5,645,723 € | -20.2 % | -121,275 € | -554,141 € |
| 31 Dec 2019 | 7,072,281 € | +8.8 % | 290,293 € | 263,545 € |
| 31 Dec 2018 | 6,498,544 € | +1.2 % | 283,339 € | 348,865 € |
| 31 Dec 2017 | 6,421,335 € | -0.1 % | 244,706 € | 198,069 € |
| 31 Dec 2016 | 6,430,360 € | first year on record | -111,217 € | -143,649 € |
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.
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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 · 5 establishments · declared in July 2026
Labels and certifications
Gender equality index
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Gender equality index 2024
85 out of 100
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Gender equality index 2023
75 out of 100
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Gender equality index 2021
index cannot be computed, headcount too low in at least one indicator
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Gender equality index 2020
index cannot be computed, headcount too low in at least one indicator
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Gender equality index 2019
index cannot be computed, headcount too low in at least one indicator
Recognised environmental guarantor (RGE)
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Ingénierie des installations solaires utilisant l’énergie solaire photovoltaïque (2015)
issued by opqibi · valid until 1 Aug 2028
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Maîtrise d’oeuvre des installations solaires utilisant l’énergie solaire photovoltaïque (2015)
issued by opqibi · valid until 1 Aug 2028
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Maîtrise d’oeuvre des installations solaires utilisant l’énergie solaire photovoltaïque (2015)
issued by opqibi · valid until 1 Aug 2028
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Maîtrise d’oeuvre des installations solaires utilisant l’énergie solaire photovoltaïque (2015)
issued by opqibi · valid until 1 Aug 2028
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Maîtrise d’oeuvre des installations solaires utilisant l’énergie solaire photovoltaïque (2015)
issued by opqibi · valid until 1 Aug 2028
Legal notices
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Filing of accounts 25 Jun 2026
- Court :
- Greffe du Tribunal des Activités Economiques de lyon
- Type of filing :
- Comptes annuels et rapports
- Closing date :
- 31/12/2025
BODACC C n 20260119, annonce n 9229 · Proof of publication (PDF)
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Amendment 10 Dec 2025
- Court :
- Greffe du Tribunal des Activités Economiques de Lyon
- Amendment :
- Modification de l'administration.
BODACC B n 20250237, annonce n 1292 · Proof of publication (PDF)
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Filing of accounts 23 Oct 2025
- Court :
- Greffe du Tribunal des Activités Economiques de lyon
- Type of filing :
- Comptes annuels et rapports
- Closing date :
- 31/12/2024
BODACC C n 20250204, annonce n 7861 · Proof of publication (PDF)
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Filing of accounts 10 Oct 2024
- Court :
- Greffe du Tribunal de Commerce de lyon
- Type of filing :
- Comptes annuels et rapports
- Closing date :
- 31/12/2023
BODACC C n 20240197, annonce n 8555 · Proof of publication (PDF)
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Filing of accounts 9 Nov 2023
- Court :
- Greffe du Tribunal de Commerce de lyon
- Type of filing :
- Comptes annuels et rapports
- Closing date :
- 31/12/2022
BODACC C n 20230216, annonce n 7253 · Proof of publication (PDF)
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Filing of accounts 18 Aug 2022
- Court :
- Greffe du Tribunal de Commerce de lyon
- Type of filing :
- Comptes annuels et rapports
- Closing date :
- 31/12/2021
BODACC C n 20220159, annonce n 12018 · Proof of publication (PDF)
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Filing of accounts 12 Aug 2021
- Court :
- GREFFE DU TRIBUNAL DE COMMERCE DE LYON
- Type of filing :
- Comptes annuels et rapports
- Closing date :
- 31/12/2020
BODACC C n 20210156, annonce n 6700 · Proof of publication (PDF)
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Amendment 6 Dec 2020
- Court :
- GREFFE DU TRIBUNAL DE COMMERCE DE LYON
- Amendment :
- Nouveau siège.
BODACC B n 20200237, annonce n 2409 · Proof of publication (PDF)
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Filing of accounts 13 Aug 2020
- Court :
- GREFFE DU TRIBUNAL DE COMMERCE DE BOURG-EN-BRESSE
- Type of filing :
- Comptes annuels et rapports
- Closing date :
- 31/12/2019
BODACC C n 20200156, annonce n 67 · Proof of publication (PDF)
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Amendment 21 Apr 2020
- Court :
- GREFFE DU TRIBUNAL DE COMMERCE DE BOURG-EN-BRESSE
- Amendment :
- Modification survenue sur l'administration.
BODACC B n 20200078, annonce n 29 · Proof of publication (PDF)
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Filing of accounts 8 Aug 2019
- Court :
- GREFFE DU TRIBUNAL DE COMMERCE DE BOURG-EN-BRESSE
- Type of filing :
- Comptes annuels et rapports
- Closing date :
- 31/12/2018
BODACC C n 20190152, annonce n 42 · Proof of publication (PDF)
Public contracts won
108 current contracts
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GRAND DOLE HABITAT 6,837,940 € · 14 Oct 2026
Conception réalisation dans le cadre de l’opération de réhabilitation de la résidence du Val d’Amour 33 place Frédéric Barberousse à Dole (39100).Phase candidatures.
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COMMUNE DE POLIGNAC (MAIRIE) 52,552 € · 30 Sep 2026
Maitrise d’œuvre Eglise Saint-Martin
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COMMUNE DE POLIGNAC (MAIRIE) 52,552 € · 29 Sep 2026
Maitrise d’œuvre Eglise Saint-Martin
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DEPARTEMENT DU VAR 200,000 € · 17 Sep 2026
MISSION D’ASSISTANCE A MAITRISE D’OUVRAGE POUR LA PROGRAMMATION DE LA RESTRUCTURATION DU CDE DU PRADET
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CC DE LA VEYLE 188,713 € · 4 Sep 2026
MISSION DE MAITRISE D’OEUVRE POUR LA CONSTRUCTION D’UN MULTI-ACCUEIL DE 42 PLACES
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DEPARTEMENT DE L AIN amount not reliable · 1 Sep 2026
MISSION MAITRISE D OEUVRE POUR LA REHABILITATION ET L EXTENSION DES BATIMENTS SAINTE ANNE PERL 01 ET SAINT RAPHAEL SUR LE SITE DE LA MADELEINE A BOURG EN BRESSE
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DEPARTEMENT DE L AIN 460,648 € · 1 Sep 2026
MISSION DE MAITRISE D OEUVRE POUR LA RECONSTRUCTION DE LA DEMI PENSION ET DES LOGEMENTS AINSI QUE L AMENAGEMENT D ESPACES DIVERS AU COLLEGE ROGER VAILLAND A PONCIN
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COMMUNE DE LYON (MAIRIE) 564,405 € · 7 Aug 2026
Construction du Gymnase sur le stade Vivien Foe - mission de maîtrise d’oeuvre
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VILLE DE PARIS (MAIRIE) 794,400 € · 4 Aug 2026
SUBSÉQUENT MOE CUISINE DE SECTEUR EM 34/41 CLOŸS 75018 SAMO
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DEPARTEMENT DE LA LOIRE 975,800 € · 22 May 2026
RESTRUCTURATION EXTENSIONS MISE EN ACCESSIBILITE ET TRAITEMENT THERMIQUE AU COLLEGE CHARLES EXBRAYAT A LA GRAND CROIX
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DEPARTEMENT DE L AIN 406,089 € · 30 Apr 2026
MISSION DE MAITRISE D OEUVRE POUR LA REHABILITATION DES BATIMENTS ST ANTOINE ET STE THERESE SITE DE LA MADELEINE A BOURG EN BRESSE
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CC AUXONNE PONTAILLER VAL DE SAONE 796,466 € · 30 Apr 2026
Maitrise d’œuvre pour la construction d’une cuisine centrale mutualisée à Auxonne
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CTRE HOSPITALIER VILLEFRANCHE S SAONE 165,260 € · 21 Apr 2026
MISSION COMPLETE DE MAITRE D¿OEUVRE EN VUE DE LA REALISATION DES TRAVAUX DE REHABILITATION DE L¿ANCIENNE PHARMACIE POUR ACCUEILLIR LE SERVICE DE CUISINE
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VILLE DE PARIS (MAIRIE) 7,000,000 € · 10 Apr 2026
ACMS MULTIATTRIBUTAIRE MOE TVX CUISINES VILLE DE PARIS LOT1
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OFFICE PUBLIC DE L HABITAT DE LA COTE D OR (ORVITIS) 10,724,266 € · 27 Mar 2026
Conception-réalisation pour l’éco-rénovation des bâtiments situés 1, 3 et 5 rue du 11 novembre (60 logements) et 3, 5, 7, 9 et 11 rue Augustin Mouchot (88 logements) à SEMUR-EN-AUX...
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COMMUNE D OYONNAX (MAIRIE) 210,319 € · 3 Mar 2026
MAITRISE D’OEUVRE POUR LA REHABILITATION DU GROUPE SCOLAIRE DE LA FORGE
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COMMUNE DE BESANCON (MAIRIE) 1,080,583 € · 16 Feb 2026
MARCHE DE MAITRISE D’?UVRE POUR LA CONSTRUCTION D’UN NOUVEL EQUIPEMENT RESTRUCTURATION ET RENOVATION DU COMPLEXE SPORTIF DIDEROT PLANOISE
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COMMUNE DE TROYES (MAIRIE) 4,188,897 € · 16 Feb 2026
Maîtrise d??uvre en vue de la construction d?un groupe scolaire international, intégrant des locaux mutualisés avec un accueil de loisirs et un espace intergénérationnel
-
CU GRAND BESANCON METROPOLE 376,252 € · 23 Jan 2026
MOE REHAB METRO A,B ET C
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COMMUNE DE TROYES (MAIRIE) 84,836 € · 15 Jan 2026
Prestations silimaires - Maîtrise d’oeuvre Ecole internationale R2122-7 - no6
Source: essential public procurement data (DECP), Open Licence 2.0. Only the current version of each contract is shown.
Filings and accounts
- Annual accounts 12 Jun 2026
- Copie des statuts mis à jour 12 Jun 2026
- Procès verbal de décision d'assemblée générale 12 Jun 2026
- Formality 8 Dec 2025
- Procès verbal de décision d'assemblée générale 7 Nov 2025
- Annual accounts 17 Oct 2025
- Annual accounts 2 Oct 2024
- Annual accounts 30 Oct 2023
- Annual accounts 12 Aug 2022
- Annual accounts 6 Aug 2021
- Filed instrument 13 Nov 2020
- Annual accounts 31 Jul 2020
- Annual accounts 5 Aug 2019
- Annual accounts 9 Aug 2018
- Filed instrument 9 Mar 2018
- Annual accounts 17 Aug 2017
- Filed instrument 28 Aug 2015
- Filed instrument 11 Feb 2015
- Filed instrument 11 Feb 2015
- Filed instrument 11 Feb 2015
- Filed instrument 1 Oct 2014
- Filed instrument 1 Oct 2014
- Filed instrument 23 Jun 2014
- Filed instrument 3 Jun 2014
- Filed instrument 15 Apr 2014
- Filed instrument 7 Jan 2010
- Filed instrument 7 Jan 2010
- Filed instrument 14 Apr 2004
Change history
- officer_appointed (empty) → President de SAS 9 Oct 2026
- officer_appointed (empty) → Commissaire aux comptes titulaire 9 Oct 2026
- officer_appointed (empty) → Commissaire aux comptes suppleant 9 Oct 2026
- registered_address 21 Rue du Moulin Près de la Paille 01100 Bellignat → 4 Chemin Du Ruisseau 69130 Écully 3 Oct 2026
- registered_address (empty) → 21 Rue du Moulin Près de la Paille 01100 Bellignat 3 Oct 2026
Frequently asked questions about SYNAPSE CONSTRUCTION
- What is the SIREN number of SYNAPSE CONSTRUCTION?
- The SIREN number of SYNAPSE CONSTRUCTION is 453036345. Its intra-community VAT number is FR46453036345.
- Where is the head office of SYNAPSE CONSTRUCTION?
- Head office address: 4 CHEMIN DU RUISSEAU, 69130 ECULLY.
- When was SYNAPSE CONSTRUCTION founded?
- SYNAPSE CONSTRUCTION was founded on 31 Mar 2004.
- What does SYNAPSE CONSTRUCTION do?
- Its declared main activity is: Engineering, technical studies (NAF code 71.12B).
- Who runs SYNAPSE CONSTRUCTION?
- The officers listed in the register are AVVENS AUDIT (Commissaire aux comptes titulaire), ROMUALD COLAS (Commissaire aux comptes suppleant), HIPPOCAMPE (President de SAS).
- What is the revenue of SYNAPSE CONSTRUCTION?
- The latest published revenue is 7,149,413 €, for the 2025 financial year.
- How many employees does SYNAPSE CONSTRUCTION have?
- The declared headcount is 50 to 99 employees. Insee data for 2023.
- Is SYNAPSE CONSTRUCTION subject to insolvency proceedings?
- No ongoing insolvency proceedings are published in the BODACC for this company.