Idec Grand Sud

What Idec Grand Sud does

Idec Grand Sud is a French turnkey designer-builder (concepteur constructeur clé en main) operating as a wholly-owned subsidiary of GROUPE IDEC, headquartered in Pérols near Montpellier. Founded in 2000, the company delivers integrated real estate projects across the southern half of France — specifically Occitanie, Provence-Alpes-Côte d'Azur, and South Aquitaine — serving enterprise clients in logistics, industrial, tertiary/office, healthcare, hospitality, residential, and sports sectors. The company operates with 11–50 employees under a SAS (Société par Actions Simplifiée) private company structure, with no external funding or independent ownership disclosed.

The company executes projects through an integrated value chain spanning land development and brownfield site remediation, technical and architectural conception, sustainable construction (low-carbon methodology, BREEAM, HQE, and Biodivercity certifications), photovoltaic energy integration via GROUPE IDEC ENR Solar, quality management, and investment structuring via GROUPE IDEC INVEST. Core service lines include logistics/industrial construction (e.g., ADEO 90,000 m², XPO 43,000 m²), tertiary offices (e.g., SNCF Roch Plaza), healthcare facilities (Ramsay Santé clinics, DOMUSVI nursing homes), hospitality (Kube Hotel Gassin), senior residences (Les Jardins d'Arcadie with Nexity/Faubourg Promotion), and sports infrastructure (Ventoux Indoor Padel). Notable named clients include ADEO, XPO, Orchestra, L'OCCITANE, DACHSER, DOMUSVI, Ramsay Santé, SNCF, Rolls Royce, ECA Robotics, Aroma-Zone, and Genesis Magma Racing.

Revenue is generated through project-based, fixed-price construction contracts negotiated per client requirements, with multi-year contract cadences. The go-to-market is direct enterprise sales targeting large operators and developers, supported by a corporate website, LinkedIn, and YouTube channels. The company is part of the GROUPE IDEC diversified real estate ecosystem, which includes engineering, property development, investment, energy, innovation investment, and international operations entities, providing cross-subsidiary project delivery synergies.

Name

Idec Grand Sud

Legal name

IDEC GRAND SUD

Website

https://idec-grandsud.com

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

11–50 employees

Short description

Idec Grand Sud is a French turnkey designer-builder subsidiary of GROUPE IDEC, delivering integrated logistics, industrial, tertiary, healthcare, hospitality, residential, and sports construction projects for enterprise clients across the southern half of France.

Ownership category

akta.pro rank

Product category

Commercial Construction Services

NAICS

Nonresidential Building Construction (2362), Industrial Building Construction (23621)

SIC

General Bldg Contractors - Nonresidential Bldgs (1540), Operative Builders (1531)

akta.pro primary industry

Commercial General Contracting (New Build) (IMAFAAAA)

akta.pro secondary industry

Civil & Site Works EPC (Earthworks, Roads, Drainage, Foundations) (EUAEADAA)

Keywords

• Turnkey construction services
• Design-build contractor
• Logistics warehouse construction
• Commercial building construction
• Sustainable building solutions

Headquarters

HQ city

Pérols

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Marketing or Sales, Technology or R&D

Revenue model

1. Construction Project Revenue: Project-based revenue from design-build construction contracts. The company serves as 'concepteur constructeur clé en main' (turnkey designer-builder), delivering complete buildings from conception through delivery. Revenue is generated through fixed-price construction contracts for logistics warehouses, industrial buildings, commercial/office buildings, healthcare facilities, hospitality, and residential projects.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

IDEC GRAND SUD operates as a turnkey designer-builder (concepteur constructeur clé en main) for enterprises in Southern France, delivering logistics warehouses, industrial facilities, office buildings, healthcare clinics, senior residences, hotels, and sports complexes. The integrated service spans land development and brownfield remediation, technical and architectural conception, low-carbon construction, on-site photovoltaic integration, and QHSE quality management under a single contract.

Product overview

IDEC GRAND SUD operates as a turnkey designer-builder (concepteur constructeur clé en main) offering comprehensive real estate development services across southern France. The company provides an integrated service spanning land development, technical and architectural design, sustainable construction solutions, quality management, and investment structuring. Their core portfolio includes four main building categories: (1) Logistics and Industrial facilities such as large-scale warehouses and distribution centers; (2) Tertiary/Office buildings including business centers and co-working spaces; (3) Living Spaces encompassing healthcare facilities (clinics, nursing homes), hospitality (hotels), and residential housing; and (4) Specialized facilities such as sports complexes. The company operates as a subsidiary of GROUPE IDEC and leverages synergies across complementary Group entities including Faubourg Promotion (development), GROUPE IDEC INVEST (investment), and GROUPE IDEC ENR Solar (renewable energy installations).

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Buildings delivered with BREEAM Very Good to Excellent certifications
• +2 more outcomes

Named customers16 records

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Eight partnerships are on record, tiered core, flagship and minor.

• FAUBOURG PROMOTION (GROUPE IDEC)coreStrategic or Co-development Partner · 1 January 2026FAUBourg PROMOTION, a subsidiary of GROUPE IDEC specializing in residential and commercial real estate development, co-develops projects with IDEC GRAND SUD. Example: Senior residence 'Les Jardins d'Arcadie' in Istres developed jointly with NEXITY.
• GROUPE IDECcoreStrategic or Co-development Partner · 1 January 2000IDEC GRAND SUD is a wholly-owned subsidiary of GROUPE IDEC, a diversified real estate group founded in 2000. The partnership provides access to comprehensive services including engineering, property development, real estate investment, energy solutions (via GROUPE IDEC ENR Solar), innovation investment, and international operations. GROUPE IDEC INVEST provides project financing while FAUBOURG PROMOTION handles property development.
• GROUPE IDEC ENR SolarcoreTechnology or IntegrationIntegrated energy subsidiary handling photovoltaic installations for construction projects. Delivers solar energy solutions for client projects including rooftop PV systems for self-consumption and grid injection.
• DB GROUPE IDECcoreImplementation/ SI/ Consulting PartnerConstruction execution subsidiary within GROUPE IDEC that partners with IDEC GRAND SUD for project delivery. Example: Atout Box self-storage project in Saint-Barthélemy-d'Anjou where IDEC GRAND SUD initiated the project and DB GROUPE IDEC handled construction execution.
• Ramsay SantéflagshipStrategic or Co-development PartnerMajor healthcare operator with 465 facilities across five countries. IDEC GRAND SUD serves as design-build contractor for healthcare facility projects including Saint-Martin Clinic (Ollioules) and La Parisière Clinic (Bourg-de-Péage). Relationship described as strategic partnership set to grow through future operations.
• NEXITYflagshipChannel Partner/ Reseller/ DistributorMajor French real estate developer partnering with FAUBOURG IMMOBILIER (GROUPE IDEC subsidiary) and IDEC GRAND SUD for joint residential development projects. Example: 121-unit senior residence project in Istres.
• Educational Institutions (IUT Nîmes, INSA, IUT Bourges, Lycée Gaudier Brzeska)minorOthersPartnerships with universities and schools to support work-study programs, attracting approximately 100 interns and apprentices annually across the group. Students from partner institutions often join the company permanently after graduation.
• IDEC SPORT / Francis JoyonminorOthersSports sponsorship including IDEC SPORT racing team (motorsport), team sports (basketball, football, rugby), sailing with Francis Joyon on maxi-trimaran IDEC SPORT, and adaptive sports cyclist Raphaël Beaugillet.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Eiffage Construction: Major French general contractor covering commercial, industrial, and public building construction. Competes with IDEC Grand Sud on design-build mandates with substantially larger balance sheet and national geographic coverage.
• NGE Bâtiment: French construction group with national coverage across building, civil works, and environmental infrastructure. Overlaps with IDEC Grand Sud on commercial and industrial building mandates, with larger geographic and sector reach.
• Vinci Construction France: Largest French construction operator with national footprint across all nonresidential building categories. Overlaps with IDEC Grand Sud on logistics, industrial, healthcare, and tertiary builds but at significantly larger scale and broader portfolio.
• Bouygues Bâtiment France: Major French construction subsidiary of Bouygues with national reach across commercial, industrial, healthcare, and tertiary building. Competes with IDEC Grand Sud on larger enterprise mandates but operates at much greater scale and broader scope.
• Spie Batignolles: French construction group active across building, civil works, and energy infrastructure. Overlaps with IDEC Grand Sud on commercial, industrial, and healthcare construction with broader multi-sector portfolio.

Direct peers

• GSE Group: French turnkey design-build specialist for logistics, industrial, and commercial real estate. GSE is the closest direct competitor to IDEC Grand Sud in turnkey industrial/logistics construction across France, with similar business model and target customer base (logistics operators, industrial firms).
• Barjane: French developer-builder specializing in large-scale logistics and industrial real estate with BREEAM-certified sustainable design. Direct overlap with IDEC Grand Sud's logistics platform business and ESG-focused delivery model.
• Leon Grosse: Family-owned French general contractor specializing in design-build construction across commercial, industrial, residential, and healthcare. Similar integrated delivery model and regional French footprint as IDEC Grand Sud.
• Demathieu Bard: Independent French construction group with strong design-build capabilities across commercial, industrial, and healthcare segments. Comparable to IDEC Grand Sud in turnkey project delivery for enterprise clients in France.

Others

• Faubourg Promotion: Sister subsidiary within GROUPE IDEC specializing in residential and commercial real estate development. Directly adjacent to IDEC Grand Sud's design-build offering, frequently co-develops projects (e.g., Les Jardins d'Arcadie senior residence with Nexity).

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/playlist?list=PLnWvvQv4tFm1ZG3k4xM1a9ZMFzuRG3TI_
• LinkedInlinkedin.com/company/idec-grandsud

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

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 Idec Grand Sud