WILLIAM HELAINE

Active

SIREN 441243649 VAT number FR89441243649

WILLIAM HELAINE is a company registered under SIREN number 441243649, with its registered office in SAINT-LO. Its main activity falls under the sector: Specialised construction activities. It has 3 establishments.

Sources: INSEE Sirene.

Identity

Legal form: Sole trader
Activity: Installation works of electrical wiring and fittings in all kind of buildings (43.21A)
Sector: Specialised construction activities
Headcount: 6 to 9 employees
Created: 4 Apr 2002
Establishments: 3

Directors

WILLIAM PIERRE MARTIAL HELAINE 58 years old, 06/1968 Entrepreneur individuel

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.

SOCIETE CIVILE IMMOBILIERE PIERAU via WILLIAM PIERRE MARTIAL HELAINE

Establishments

44124364900031 registered office 50000 SAINT-LO
44124364900015 50680 SAINT-ANDRE-DE-L'EPINE
44124364900023 50680 SAINT-CLAIR-SUR-L'ELLE

Financial strength

Financial score

Cannot be computed, not enough data

Confidence: low

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 (24.6 years): 20.0 out of 20
Accounts filed recently: data missing, component not taken into account

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

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Collective agreements

Agreements declared by the employer in its payroll filings.

Convention collective nationale des ouvriers employés par les entreprises du bâtiment visées par le décret du 1er mars 1962 (c'est-à-dire occupant jusqu'à 10 salariés) du 8 octobre 1990.

IDCC 1596 · in force, extended · 1 establishment · declared in July 2026
Convention collective nationale des employés, techniciens et agents de maîtrise du bâtiment du 12 juillet 2006

IDCC 2609 · in force, extended · 1 establishment · declared in July 2026

Labels and certifications

Recognised environmental guarantor (RGE)

Chauffe-eau thermodynamique (48PACRGEc)

issued by qualifelec · valid until 16 Jul 2027
Pompe à chaleur : Chauffage (48PACRGE)

issued by qualifelec · valid until 16 Jul 2027
Ventilation Mécanique (44LCPTRGEv)

issued by qualifelec · valid until 3 May 2027
Radiateurs électriques, dont régulation (44LCPTRGEr)

issued by qualifelec · valid until 3 May 2027

Change history

officer_appointed (empty) → Entrepreneur individuel 9 Oct 2026