BI Ingénierie

What BI Ingénierie does

BI Ingénierie is a Paris-based structural engineering consultancy founded in 2023 by Michele Bonera and Razvan Ionica, two engineers who previously led major infrastructure projects at Marc Mimram Ingénierie from 2007-2020. The firm delivers structural engineering design, execution studies, and project management services across three service categories: bridges and footbridges (Ouvrages d'art), building construction engineering (Bâtiments), and artistic installations. Its portfolio of 30+ projects spans pedestrian crossings, public buildings, sports facilities, train stations, and museum installations, with disclosed project construction budgets ranging from approximately 100K€ (Passerelle du Petit Quai) to 70M€ (Gare Montpellier Sud-de-France).

The firm's technical differentiation centers on innovative structural systems and materials, including semi-integral mixed wood/concrete composite bridges (with 100-year untreated-Douglas-fir durability), variable-inertia glulam timber beams spanning ~35m, ultra-high performance concrete (UHPC/BFUP) thin-shell elements (18.4m span at 4cm thickness for the Montpellier station roof), and stainless-steel box-girder bridges. The co-founders hold engineering degrees from institutions including Politecnico di Milano, École Polytechnique, École Nationale des Ponts et Chaussées, and pursue design research at the intersection of structural performance, architectural expression, and low-carbon construction. BI Ingénierie is a signatory of the 2019 Engineers Declare Climate and Biodiversity Emergency.

Revenue is generated through professional services fees on a project-by-project basis, acquired primarily via competitive bidding (concours), direct engagement with public-sector clients (municipalities, government agencies, transport authorities), and recurring partnerships with architecture firms such as Atelier Confluence Architecture, ATA Associés, LBA, Openfabric, and WALD Paysage. Approximately 13 of 15 disclosed clients are government or quasi-government entities, with the remainder in the private and cultural-institution segments. Geographic reach extends across France, Switzerland, the UK, China, and Georgia. The firm is privately held by its two founders with no external investment.

Name

BI Ingénierie

Legal name

BI Ingénierie

Website

https://bi-ing.fr

Company type

Private

Founded year

2023

Operating status

Operating

Headcount range

1–10 employees

Short description

BI Ingénierie is a Paris-based structural engineering consultancy founded in 2023 by Michele Bonera and Razvan Ionica, delivering structural design for bridges, buildings, and artistic installations for public-sector clients and architectural firms across France, Switzerland, the UK, and China.

Ownership category

akta.pro rank

Product category

Structural Engineering Services

NAICS

Engineering Services (541330), Architectural, Engineering, and Related Services (5413)

SIC

Services-Engineering Services (8711)

akta.pro primary industry

Civil & Structural Engineering Consulting (BPAHAIAA)

akta.pro secondary industry

Architectural Design Services (BPAHAKAA)

Keywords

• Structural engineering services
• Bridge design
• Footbridge engineering
• Building structural design
• Artistic installation engineering

Headquarters

HQ city

Paris

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering Consulting Services: Provides structural engineering design, execution studies, and project management services for bridges, buildings, and artistic installations. Revenue derived from consulting fees on projects ranging from 100K€ to 70M€.
2. Competition/Design Services: Participates in architectural and engineering competitions, winning design contracts and providing concept, preliminary, and detailed design services.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

BI Ingénierie provides structural engineering design and consulting services for bridges, footbridges, buildings, and artistic installations. The firm specializes in complex infrastructure projects using innovative materials such as mixed wood-concrete composites, ultra-high performance concrete (UHPC/BFUP), stainless steel, and engineered timber, delivering concept, preliminary, detailed design, and execution studies for public and private clients in France and internationally.

Product overview

BI Ingénierie (Bonera Ionica) is a structural engineering consultancy founded in 2023 by Michele Bonera and Razvan Ionica, offering expert engineering design and structural consulting services. The firm's portfolio centers on three main service categories: Bridge and Footbridge Design (Ouvrages d'art), Building Construction Engineering (Bâtiments), and Artistic Installations. The consultancy specializes in complex projects combining technical rigor with architectural expression, utilizing innovative materials including mixed wood-concrete structures, high-performance concrete (UHPC/BFUP), stainless steel, and engineered timber. Their work spans from concept sketches through execution studies, serving public and private clients across France, Switzerland, the United Kingdom, and internationally.

Differentiator

Problem solved

Functional benefit

Products and services

• Structural Engineering Consulting Services Engineering design and structural consulting services for complex infrastructure projects, including bridges, buildings, and artistic installations, with expertise in innovative materials such as mixed wood-concrete structures, steel, and ultra-high performance concrete. Offered to public sector clients (municipalities, government agencies) and private clients across France and internationally.
• Bridge and Footbridge Design (Ouvrages d'art) Design and engineering of pedestrian bridges, footbridges, and multi-span structures including mixed wood-concrete and stainless steel constructions. Projects span small urban footbridges to major infrastructure such as the 208m Low Carbon Footbridge in London, the 220m Pont Ban Dao in Huizhou, and 60m span stainless steel bridges over the Rhône.
• Building Construction Engineering (Bâtiments) Structural engineering for residential, institutional, and public buildings including social housing, schools, sports facilities, train stations, and laboratories. Projects feature mixed-material construction combining concrete, steel, and timber, with example projects including the Gare Montpellier Sud-de-France (70M€) and Centre National d'Entrainement FFT (20M€).
• Artistic Installations Engineering Structural engineering and design for artistic installations, monumental sculptures, temporary structures, and museum installations requiring precise structural justification and integration with architectural and artistic requirements. Past work includes Gerhard Richter's Vier Glasscheiben installation at Fondation Louis Vuitton and Vhils' Milling Deepness installation at Orly Airport station.

Quantifiable outcome

• Mixed wood/concrete bridge design achieves 100-year lifespan for untreated Douglas fir through semi-integral design eliminating expansion joints
• +2 more outcomes

Named customers15 records

Segments4 records

Ideal customer profiles3 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 and minor.

• Atelier Confluence ArchitecturecoreStrategic or Co-development Partner · 1 January 2023Long-standing collaborative partner on multiple bridge projects including Estacades du chemin du Treiz, Passerelles sur le Rhône, Low Carbon Footbridge competition, and Passerelle des Orchidées. Joint teams on international bridge competitions.
• Openfabric (Francesco Garofalo)coreStrategic or Co-development PartnerCollaboration with Openfabric architect Francesco Garofalo and landscape architect Weirong Li on the Passerelle des Orchidées competition for Geneva.
• WALD PaysagecoreStrategic or Co-development PartnerPartner on Passerelles sur le Rhône project in Sion, Switzerland, providing landscape architecture services.
• TUCDRIminorStrategic or Co-development PartnerLocal partner agency in China for the Pont Ban Dao project in Huizhou, supporting local development of geometric and structural details.
• ATA ASSOCIEScoreStrategic or Co-development PartnerArchitecture firm partner for the Passerelle Pierre-Marie Taillepied project in Bondy (2.4M€).
• LBAcoreStrategic or Co-development PartnerArchitecture firm partner for Passerelle du parc de la Sauvegarde project in Lyon.
• Marc Mimram IngénierieminorOthersBoth founders previously worked at Marc Mimram Ingénierie from 2009-2020 (Razvan from 2007), where they developed expertise in complex infrastructure projects before founding BI Ingénierie in 2023.
• Société du Grand Paris (SGP)minorImplementation/ SI/ Consulting PartnerCollaboration on integration of artistic works in Grand Paris Express infrastructure projects, including Milling Deepness installation at Orly Airport station.

Scale indicators3 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Bollinger + Grohmann: Frankfurt-based structural engineering firm with offices across Europe, specializing in innovative timber and mixed-material structures and integrated architectural-engineering design. Direct peer for boutique scale, material innovation focus, and European concours-driven project model.
• RFR: Paris-based structural engineering firm founded by Peter Rice, renowned for the 'structural art' philosophy and high-profile bridges/buildings (Louvre Pyramid, etc.). Closest peer in terms of philosophy linking structure and architecture, French base, and competition-driven public-sector project mix.
• Expedition Engineering: London-based structural engineering boutique with a design-led, sustainability-focused practice on bridges and buildings. Direct peer given comparable size, design philosophy, low-carbon material focus, and competition-driven international project pipeline.
• Marc Mimram Ingénierie: Paris-based structural engineering firm founded by architect-engineer Marc Mimram, specializing in signature bridges, footbridges, and architectural structures. Direct peer because BI Ingénierie's two founders both spent 13+ years here and the firm operates in the same niche (mixed-material bridges, French/international concours).
• Schlaich Bergermann Partner: Stuttgart-based structural engineering firm specializing in bridges, lightweight structures, and innovative cable/timber systems. Direct peer in signature bridge engineering with comparable material innovation (timber, composites) and concours-based international project model.

Broad incumbents

• Egis: Major French engineering group active in transport, buildings, and infrastructure. Competes with BI Ingénierie on French public bridge and station commissions (e.g. Montpellier Sud-de-France type work) but offers full multidisciplinary services at much greater scale.
• Setec: French independent engineering group with structural and infrastructure practices. Broader French incumbent that bids on the same public-sector bridge and building commissions where BI Ingénierie competes as specialist structural sub-consultant.
• Buro Happold: Bath/London-headquartered international engineering consultancy with strong structural and bridge engineering practices. Broader incumbent that competes for the same concours work but operates at significantly larger scale across multiple engineering disciplines.
• Arup: Global engineering consultancy with a leading structural and bridge design practice. Competes in international bridge competitions and sustainability-led infrastructure but at vastly greater scale and breadth.
• Wilkinson Eyre: London-based architecture and engineering practice known for signature bridges and cultural buildings. Overlaps with BI Ingénierie's bridge and artistic-installation work, but is architect-led rather than engineering-led and operates at larger scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

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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 BI Ingénierie