SYLVAIN LEFERME

Active

SIREN 443275102 VAT number FR35443275102

SYLVAIN LEFERME is a company registered under SIREN number 443275102, with its registered office in DUNKERQUE. Its main activity falls under the sector: Specialised construction activities. It has 2 establishments.

Sources: INSEE Sirene.

Identity

Legal form: Sole trader
Activity: Masonery works and building structural works (43.99C)
Sector: Specialised construction activities
Headcount: 3 to 5 employees
Created: 9 Sep 2002
Establishments: 2

Directors

SYLVAIN LEFERME 57 years old, 04/1969 Entrepreneur individuel

Establishments

44327510200020 registered office 59640 DUNKERQUE
44327510200012 59210 COUDEKERQUE-BRANCHE

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 (24.1 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)

Efficacité énergétique - _ECO Artisan®_ - Agenceur (8611M9D114)

issued by qualibat · valid until 12 Mar 2028
Efficacité énergétique - _ECO Artisan®_ - Agenceur (8611M9D113)

issued by qualibat · valid until 12 Mar 2028
Efficacité énergétique - _ECO Artisan®_ - Agenceur (8611M9D111)

issued by qualibat · valid until 12 Mar 2028
Efficacité énergétique - _ECO Artisan®_ - Couvreur (8611M8D114)

issued by qualibat · valid until 12 Mar 2028
Efficacité énergétique - _ECO Artisan®_ - Couvreur (8611M8D113)

issued by qualibat · valid until 12 Mar 2028

Change history

officer_appointed (empty) → Entrepreneur individuel 9 Oct 2026