IISB

What IISB does

IISB (Intégrateur Indépendant des Systèmes du Bâtiment), founded in 2002 and headquartered in Saint-Médard-en-Jalles near Bordeaux, is an independent French integrator of Building Management Systems (GTB – Gestion Technique du Bâtiment) serving tertiary-sector buildings primarily in the Grand Sud-Ouest region of France. The company provides, programs, and commissions automation systems that centralize and control HVAC, ventilation, lighting, domestic hot water, electricity, renewable energy, and security subsystems, with technical expertise spanning BACnet, Modbus, MBus, MQTT, RestAPI, LoRa, DALI, KNX, LON, and EnOcean protocols. IISB deploys multi-vendor hardware including Trend IQ3/IQ4/IQ5 controllers (Honeywell), Distech Controls ECLYPSE controllers, and Lacroix Sofrel S4TH/B4TH units, supervised on Niagara-based platforms (IQVISION, EC-Net4) and the ANSSI-certified Panorama Suite from CODRA. The team comprises over 25 collaborators, including 16 automation experts trained on partner-manufacturer systems, HVAC fundamentals, communication protocols, and ANSSI cybersecurity.

The company's service portfolio covers the full building lifecycle: GTB audit and feasibility studies, automation programming and commissioning, supervision/hypervision deployment, energy monitoring using AREE (INNEASOFT) and BTIB Energy software, multi-year maintenance contracts, and end-user training. Its revenue model is project-based professional services billed against quotes, supplemented by recurring maintenance contracts; pricing is not publicly disclosed. IISB reaches customers through four regional agencies (Bordeaux, Toulouse, Brive-La-Gaillarde, La Rochelle), complemented by partnerships with engineering firms (bureaux d'études), HVAC installers, and equipment manufacturers. The customer base spans healthcare, education, airports, defense, sports venues, hospitality, commerce, wine estates, and industry, including anchors such as CHU Haut Lévêque, Dassault Mérignac, Bordeaux-Mérignac Airport, Base Aérienne 118, and Stade Matmut Atlantique. In 2021, IISB acquired AM2I, extending its national footprint into Brittany (Vannes) and Lyon. Reported revenue exceeded €6M in 2024, with the firm operating as an independent, privately-held company without disclosed external investors.

Name

IISB

Legal name

IISB

Website

https://iisb-batiment.fr

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

11–50 employees

Short description

IISB is an independent French building automation systems integrator founded in 2002, deploying GTB solutions for tertiary buildings across Grand Sud-Ouest France via four regional agencies and serving healthcare, education, defense, transportation, and commercial clients.

Ownership category

akta.pro rank

Product category

Building Automation and Energy Management Services

NAICS

Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512)

SIC

Auto Controls For Regulating Residential & Comml Environments (3822), Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Instrumentation, Controls & Automation (DCS/PLC/SCADA, SIS, Metering) (EUAEAFAC)

akta.pro secondary industry

I&C / Controls & Automation Commissioning (DCS/PLC/SCADA) (EUAEAJAD)

Keywords

• Building automation integration
• GTB systems
• Energy management services
• HVAC control solutions
• Smart building integration

Headquarters

HQ city

Saint-médard-en-jalles

HQ country

France

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. GTB Services: Full lifecycle building management services including audit and GTB studies, programming and commissioning, maintenance contracts, supervision/hypervision, energy monitoring, and training. Services are provided directly to building owners, managers, and operators in the tertiary sector.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels5 records

Core offering

IISB is an independent integrator of Gestion Technique du Bâtiment (GTB) systems, providing programming, commissioning, and maintenance of building automation controls for tertiary buildings. The offering covers audit/study, programming/commissioning, supervision/hypervision, energy monitoring, maintenance contracts, and training across HVAC, lighting, ventilation, hot water, electricity, renewable energy, and security systems. The company is vendor-neutral, deploying multi-brand platforms (Trend Controls, Distech, Lacroix Sofrel, Belimo) on Niagara and Panorama supervision frameworks for clients in healthcare, education, defense, airports, and other regulated verticals.

Product overview

IISB (Intégrateur Indépendant des Systèmes du Bâtiment) is a building automation integrator founded in 2002, specializing in GTB (Gestion Technique du Bâtiment) solutions for tertiary buildings across Grand Sud-Ouest France. The core offering centers on GTB systems that integrate, program, and commission automation controllers managing HVAC, lighting, ventilation, security, and energy systems. IISB operates as a multi-brand integrator deploying hardware platforms including Trend IQ (IQ3-IQ5) and Distech Controls ECLYPSE, supported by supervision software IQVISION, EC-Net4, and Panorama Suite built on Niagara Framework. The service portfolio spans the full building lifecycle: Audit and GTB Studies (conception phase), Programming and Commissioning, Supervision and Hypervision, Energy Monitoring (using AREE and BTIB Energy platforms), GTB Maintenance Contracts, and GTB Training. IISB also offers BACs (Boîtiers d'Automatisme et de Communication) as programmable automation components supporting BACnet, Modbus, KNX/EIB, LON, DALI, LoRa, and EnOcean protocols.

Differentiator

Problem solved

Functional benefit

Products and services

• GTB Integration Services (Building Management System Integration) Core end-to-end GTB integration service for tertiary building owners, operators, and facility managers. IISB supplies, programs, and commissions automation systems that centralize building technical data, optimize energy consumption, and improve occupant comfort across HVAC, lighting, ventilation, hot water, electricity, renewable energy, and security functions.
• GTB Audit and Study Services (Audit et Etudes GTB) Conception-phase GTB consulting for building projects, including point lists creation, GTB architecture design, equipment specification, CCTP drafting, and regulatory compliance analysis (Décret Tertiaire, Décret BACS). Targeted at engineering firms, owners, and project teams planning new GTB deployments.
• Automation Programming and Commissioning (Programmation / Mise en Service) Programming and commissioning of regulation controllers for GTB projects. Includes detailed technical analysis, CCTP study, GTB point list exploitation, and functional analysis of installations. Target users are building owners and operators transitioning to automated systems.
• GTB Maintenance Contracts (Contrat de Maintenance GTB) Multi-year recurring maintenance contracts for installed GTB systems, including software updates, database backups, communication verification, and system architecture performance monitoring. Targeted at existing GTB clients under long-term service agreements.
• Supervision / Hypervision Systems Development and deployment of GTB supervision and hypervision systems on open platforms (Niagara, Panorama Suite) with multi-vendor equipment integration, alarm management, and automatic notifications via email/SMS. Targeted at building operators needing centralized visibility of distributed technical systems.
• Energy Monitoring Services (Suivi Energétique) Recurring energy consumption tracking and analysis using AREE and BTIB Energy software. Provides dashboards, histograms, climate analysis based on DJU (Degrés-Jours Unifiés), and automated reporting. Targeted at building owners and operators needing Décret Tertiaire compliance and energy optimization.
• GTB Training (Formation GTB) On-site training and skills transfer on GTB systems, including supervision interface usage, synoptic navigation, alarm management, and optional controller programming training. Targeted at facility operators and technical staff of buildings with newly commissioned GTB systems.

Quantifiable outcome

• 25 years of GTB experience with hundreds of completed projects
• +2 more outcomes

Named customers20 records

Segments10 records

Ideal customer profiles6 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration11 records

Feature6 records

Partnerships

Nine partnerships are on record, tiered strategic and core.

• AM2IstrategicStrategic or Co-development Partner · 1 January 2021In 2021, IISB acquired AM2I, a building management company based in Vannes with an agency in Lyon. AM2I provides similar services and extends the group's national presence to Brittany and the Lyon area.
• Distech ControlscoreTechnology or Integration · 1 January 2015Partnership since 2015 with Distech Controls for ECLYPSE controllers and Smart Room Control solutions. IISB integrates ECLYPSE, ECY-PTU, and EC-Net4 supervision platforms.
• Lacroix SofrelcoreTechnology or Integration · 1 January 2012Partnership since 2012 with Lacroix Sofrel for S4TH and B4TH automation controllers for remote management and supervision of technical installations.
• BelimocoreTechnology or Integration · 1 January 2005Partnership since 2005 with Belimo for actuators, servomotors for valves, Energy Valve solutions, and sensors (temperature, humidity, pressure, CO2).
• TREND CONTROLS (Groupe Honeywell)coreTechnology or Integration · 1 January 2002Long-standing partnership since 2002 with Trend Controls (Honeywell). IISB deploys IQ5 and other Trend automation products for GTB systems. IISB is part of Trend SI Master network and classified as Trend Expert.
• CODRA (Panorama Suite)coreTechnology or IntegrationPartnership with Codra for Panorama Suite supervision platform. Panorama has ANSSI-certified cybersecurity, used for GTB supervision in critical infrastructure projects.
• Tridium (Niagara Framework)coreTechnology or IntegrationPartnership with Tridium for Niagara Framework, an open platform for building systems interoperability and GTB integration across multi-vendor equipment.
• BTIBstrategicTechnology or IntegrationPartnership with BTIB for ISMA modules (CFO-CFA management), CoolAutomation gateways (direct expansion AC), Socorel gateways (energy metering via TIC), and BTIB Energy software.
• INNEASOFT (AREE)strategicTechnology or IntegrationPartnership with INNEASOFT for AREE energy monitoring software, enabling collection, analysis and visualization of energy consumption data from GTB systems.

Scale indicators5 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• Schneider Electric (EcoStruxure): Schneider Electric is a global leader in energy management and automation, with its EcoStruxure Building platform covering BMS, energy monitoring and analytics. It is both a manufacturer competitor and an integrator presence in France, competing for GTB mandates alongside IISB.
• SNEF: SNEF is a French multi-technical group active in electrical, HVAC, instrumentation and building automation across industry and tertiary buildings. It competes with IISB on larger integration mandates and national framework contracts, with broader geographic coverage and a wider technical services portfolio.
• SPIE ICS: SPIE ICS is the digital services and communication infrastructure arm of SPIE, a major French multi-technical services group. It delivers building automation, energy monitoring, and integration services across France, making it a broad incumbent serving the same tertiary GTB market as IISB but at a much larger scale and national footprint.
• Eiffage Energie Systèmes: Eiffage Energie Systèmes is the energy and digital services branch of Eiffage, providing multi-technical building services including GTB, HVAC and energy management to public and private clients. It is a broad incumbent in the same tertiary building automation market as IISB.
• ENGIE Solutions: ENGIE Solutions is the B2B services arm of ENGIE, covering energy efficiency, HVAC, building automation and facility management across France. It is a direct competitor for multi-site GTB and energy performance contracts, but operates at a much larger scale and as part of a broader energy services portfolio.
• Cegelec (VINCI Energies): Cegelec, part of VINCI Energies, delivers multi-technical building services including HVAC, electrical, fire safety and building automation/GTB to large public and private accounts in France. It is a broad incumbent with substantial capacity for turnkey GTB projects in the same tertiary segment IISB addresses.

Others

• Tridium (Niagara Framework): Tridium is the developer of the Niagara Framework, the open integration platform underlying many of IISB's multi-vendor GTB deployments via Trend IQVISION and Distech EC-Net4. It is a core ecosystem enabler rather than a direct GTB integrator competitor.
• Distech Controls: Distech Controls is a Canadian/European BMS manufacturer whose ECLYPSE controllers and EC-Net4 supervision platform are deployed by IISB since 2015. It is a key technology partner and a potential competing integrator channel for building automation projects.
• Belimo: Belimo is a Swiss manufacturer of field devices (actuators, valves, sensors) that has been a strategic component partner of IISB since 2005. It is a critical upstream supplier for HVAC/GTB installations rather than a direct integration competitor.
• Honeywell Building Technologies (Trend Controls): Honeywell owns Trend Controls, IISB's longest-standing technology partner (since 2002). Trend is a leading European BMS manufacturer whose IQ3/IQ4/IQ5 controllers and Niagara-based IQVISION supervision sit at the core of IISB's deployments. Relevant as an ecosystem manufacturer rather than a direct integrator competitor.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/iisb

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries1 record

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 IISB