Office de Préservation du Bâtiment (OPB)

What Office de Préservation du Bâtiment (OPB) does

Office de Préservation du Bâtiment (OPB) is a French building preservation firm headquartered in Nantes, Pays de la Loire, operating under its current name since 1970. The company name translates to "Office of Building Preservation," indicating a focus on services related to the maintenance, restoration, or preservation of buildings — a category that in the French market typically encompasses façade treatment, structural upkeep, damp-proofing, or heritage conservation work. With a stated headcount of only 6 employees, OPB is structurally a micro-enterprise rather than a scaled operator, and the available data does not disclose any named clients, customer segments, service lines, pricing model, or geographic scope beyond its single Nantes base.

The corporate web property at opb.fr is currently non-functional from an information-extraction standpoint: it renders only a "One moment, please… Loader / Please wait while your request is being verified" interstitial, with no substantive company, product, or contact content. As a result, no technology stack, proprietary features, certifications, partnerships, integrations, or AI capabilities are documented. All structured data fields for revenue, ownership, management team, subsidiaries, funding history, awards, patents, app presence, and social profiles are empty or marked as undeterminable in source material.

The available evidence supports only a narrow factual profile: a 56-year-old, 6-person, single-site French building preservation services business whose public digital footprint is presently inactive. There are no disclosed financial figures, no headcount growth signals, no product launches, no partnerships, no regulatory actions, and no M&A activity. This represents a significant data gap for any investment, diligence, or competitive benchmarking exercise; downstream analysts should treat the company description above as a baseline rather than a complete picture, and seek primary-source confirmation (e.g., direct contact, French business registries such as Infogreffe or Societe.com, or customer references) before drawing further conclusions.

Name

Office de Préservation du Bâtiment (OPB)

Website

https://opb.fr

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

Office de Préservation du Bâtiment (OPB) is a French building preservation services firm founded in 1970, headquartered in Nantes and operating with approximately 6 employees. The company serves the local Pays de la Loire market with no publicly disclosed customer base, revenue, or product detail.

Ownership category

akta.pro rank

Product category

Building Preservation Services

NAICS

Residential Remodelers (236118), Commercial and Institutional Building Construction (23622)

SIC

Non-Operating Establishments (9995), General Bldg Contractors - Nonresidential Bldgs (1540)

akta.pro primary industry

Historic Home Renovation & Preservation (HSAPAEAG)

akta.pro secondary industries

Structural Repair & Framing Reconstruction (HSAPAOAG), Historic Preservation & Landmarks Conservation (BPAGAHAE), Post-Renovation Residential Cleaning (HSAEADAC)

Keywords

• Building preservation services
• Building maintenance
• Building restoration
• Structural preservation
• Building conservation

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations

Core offering

The name "Office de Préservation du Bâtiment" translates from French to "Building Preservation Office," indicating the company likely provides services related to preserving, maintaining, or restoring buildings. Specific service scope, methodology, and target applications are not documented in the available source data, as the company's website only displayed a loading/verification screen. [Inferred from company name]

Differentiator

Problem solved

Functional benefit

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Recent moves1 record

Expansion highlights3 records

Broad incumbents

• Eiffage Construction: Major French contractor with established heritage renovation credentials. Comparable because it competes for the same historic-building preservation projects, but at national scale and with much broader service lines.
• Bouygues Bâtiment: Large French construction group with public-institution and heritage renovation experience. Overlaps with OPB on historic nonresidential building projects, but competes on scale rather than preservation specialty.
• Spie batignolles: Independent French construction group active in public and historic building renovation. Comparable as a competitor for heritage preservation tenders, though much broader in service offering.
• Léon Grosse: Mid-sized French general contractor with a dedicated heritage and historic-monuments division. Comparable because it executes building preservation and restoration work in France, but operates at substantially larger scale and broader geographic footprint than OPB.
• GTM Bâtiment (VINCI Construction): Large French general contractor (VINCI group) with significant heritage and public-building renovation capability. Comparable as a competitor in nonresidential and historic building preservation, but much larger and broader in scope.

Market position

Strengths3 records

Weaknesses3 records

Competitive moat2 records

Key risks4 records

Key highlights3 records

Customer concentration

• LinkedInlinkedin.com/company/office-de-preservation-du-batiment

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Office de Préservation du Bâtiment (OPB)