What Pierre Guérin does

Pierre Guérin SAS, founded in 1949 and headquartered in Niort, France, designs and manufactures stainless-steel process equipment — primarily fermenters, bioreactors, process tanks, and skids — for the biopharmaceutical and agro-food industries. The company's product portfolio spans custom-engineered process vessels, agitation and mixing systems, Cleaning-in-Place / Sterilization-in-Place (CIP/SIP) modules, and integrated automation platforms built on third-party control systems (Emerson DeltaV, Siemens PCS7, Neptune SCADA), complemented by components, accessories, and post-sale technical service. Operations are organized around two primary verticals: Sciences de la Vie (life sciences, including red, blue, and green/white biotech and pharmacy) and Agroalimentaire & Produits de Soins (dairy, wines and spirits, infant and clinical nutrition, and personal care), with marquee customers including LFB (biomedicines), Amphastar (insulin), and Laurent-Perrier (Champagne).

Pierre Guérin operates as a subsidiary of Equans within the Bouygues group, a structure that provides capital strength, group-wide QHSE and ethics frameworks, and international infrastructure. The company is positioned by its own marketing as a TOP 3 global supplier of fermenters and bioreactors and reports a workforce of more than 600 employees across EMEA, Asia, and the Americas. Go-to-market is enterprise field sales augmented by trade-show participation (including JNBB 2026 and JAS 2026) and published case studies. All equipment is bespoke and project-quoted, with multi-year contract cadences typical of large-scale biopharma and food-industry capex projects, and there is no public list pricing.

Revenue mechanics are overwhelmingly weighted to custom hardware sales — fermenters, bioreactors, tanks, skids, agitation systems, and automation — with ancillary professional services revenue from customer support and process optimization. The business model is project-based and concentrated at the account level, mitigated to some extent by two structurally distinct verticals (biopharma and agro-food) and a multi-decade installed base that generates recurring components, service, and upgrade demand.

Name

Pierre Guérin

Legal name

Pierre Guérin

Website

https://pierreguerin.fr

Company type

Private

Founded year

1949

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Pierre Guérin, founded 1949 in Niort, France, designs and manufactures bespoke stainless-steel fermenters, bioreactors, process tanks, and CIP/SIP systems for biopharmaceutical and agro-food manufacturers, and is positioned among the TOP 3 global fermenter and bioreactor suppliers.

Ownership category

akta.pro rank

Headquarters

HQ city

Niort

HQ country

France

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Industrial Fermentation Equipment Sales: Design, manufacture, and sale of fermenters, bioreactors, process tanks, and skids to biopharmaceutical and agro-food companies. Projects are bespoke and large-scale, typically involving multi-year engagements.
2. Agitation & Mixing Systems: Sale of specialized agitation and mixing equipment integrated with or independent of main fermenter/bioreactor systems.
3. Automation & Software Integration: Provision of automation hardware and software platforms (Emerson DeltaV, Siemens PCS7, Neptune SCADA) as part of integrated process solutions.
4. CIP/SIP Components & Systems: Sale and integration of cleaning-in-place and sterilization-in-place components and full systems.
5. Customer Service & Support: Post-sale technical support, maintenance, and optimization services to improve customer process performance.

Pricing tiers

Go-to-market motion2 records

Distribution channels1 record

Marketing channels3 records

Core offering

Pierre Guérin is a French industrial equipment manufacturer that designs, engineers, and produces stainless steel fermenters, bioreactors, process tanks, and skids for the biopharmaceutical and agro-food process industries. Its offering spans agitation and mixing systems, integrated automation platforms (Emerson DeltaV, Siemens PCS7, Neptune SCADA), and CIP/SIP cleaning and sterilization systems, complemented by components, accessories, and post-sale technical service.

Product overview

Pierre Guérin is a process equipment manufacturer specializing in fermenters and bioreactors for the agri-food and biopharmaceutical industries. The company offers a comprehensive portfolio centered on its core equipment solutions: Cuves & Skids process (process tanks and skids) and Agitation et mélange (agitation and mixing systems), complemented by Automatisme & Logiciel (automation solutions using Emerson DeltaV™, Siemens PCS7, and Neptune™ SCADA platforms), Nettoyage et stérilisation en place (CIP/SIP cleaning systems), Composants & accessoires (components and accessories), and Service client (customer support services). Pierre Guérin positions itself among the TOP 3 global suppliers of fermenters and bioreactors, serving sectors including dairy, cheese, wines and spirits, infant and clinical nutrition, care products, and life sciences (blue, red, green/white biotechnologies, and pharmacy).

Differentiator

Problem solved

Functional benefit

Products and services

• Cuves & Skids process (Process Tanks & Skids) Custom-engineered process tanks and skids for industrial fermentation and bioprocessing applications in agri-food and biopharmaceutical industries.
• Agitation & Mélange (Agitation and Mixing Systems) Agitation and mixing solutions designed for optimal mass transfer and homogeneity in fermenter and bioreactor vessels.
• Automatisme & Logiciel (Automation and Software) Automation and software integration for process control and monitoring, delivered via Emerson DeltaV distributed control system, Siemens PCS7 process control system, and Neptune SCADA platforms.
• Nettoyage et Stérilisation en Place (CIP/SIP Systems) Cleaning-in-Place and Sterilization-in-Place systems providing validated hygiene and sterility in process environments for food, beverage, and pharmaceutical manufacturing.
• Composants & Accessoires (Components and Accessories) Standalone components and accessories for process tanks and fermentation systems, sold as separate items to support installation, maintenance, and customization.
• Service Client (Customer Service & Support) Post-sale technical support, maintenance, and optimization services delivered to customers to improve and sustain process performance for installed Pierre Guérin equipment.

Quantifiable outcome

• Tripling of biomedicine production capacity for LFB at Arras
• +2 more outcomes

Named customers3 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

Feature5 records

Partnerships

Three partnerships are on record, tiered core.

• JNBB (Journées Nationales de la Biologie)coreGTM or Marketing Partner · 1 January 2026Pierre Guérin is a partner of the JNBB 2026 (Journées Nationales de la Biologie), a major industry event for the biology/biotechnology community in France. This partnership involves joint marketing and visibility at the event, reinforcing Pierre Guérin's positioning with life sciences professionals and generating sales leads.
• Laurent-PerriercoreStrategic or Co-development PartnerPierre Guérin and Laurent-Perrier share a 50+ year partnership grounded in shared standards of excellence in Champagne production. Pierre Guérin has continuously supplied process equipment (fermentation, mixing, process systems) to Laurent-Perrier, adapting to evolving production requirements over decades.
• Equans / Bouygues GroupcoreStrategic or Co-development PartnerPierre Guérin operates as a subsidiary of Equans, itself part of the Bouygues Group. This relationship provides access to capital for large-scale industrial projects, group-level ethics and QHSE frameworks, and shared infrastructure across global operations.

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Eppendorf AG: Manufacturer of bioreactors, fermenters, and process solutions spanning lab-to-production scale for the biopharmaceutical and biotechnology industries. Directly comparable to Pierre Guérin's fermenter/bioreactor portfolio, particularly in scalable stainless-steel and parallel bioreactor systems.
• Sartorius AG: German-headquartered global leader in bioprocess equipment including fermenters, bioreactors, and single-use solutions for the biopharmaceutical industry. Directly competes with Pierre Guérin in stainless-steel and upstream bioprocessing equipment, serving overlapping pharma and biotech customers.
• Applikon Biotechnology: Netherlands-based specialist in bioreactor systems spanning laboratory, pilot, and production scales for biotech and pharmaceutical applications. Comparable to Pierre Guérin's fermenter/bioreactor core offering, particularly in upstream bioprocessing.
• Cytiva (Danaher): Global bioprocessing equipment and consumables provider offering bioreactors, mixing systems, and process automation. A direct peer to Pierre Guérin in the fermenter/bioreactor space serving biologics, vaccine, and cell-and-gene therapy manufacturers worldwide.
• ZETA Group: Austrian engineering company specializing in aseptic process systems, bioreactors, and skid-mounted process plants for the pharmaceutical and biotech industries. Directly comparable to Pierre Guérin as a bespoke process equipment supplier serving pharma and biotech customers.

Broad incumbents

• GEA Group: Large German process technology group supplying separators, homogenizers, fermentation equipment, and complete process lines for the food, dairy, and beverage industries. Overlaps with Pierre Guérin's agro-food segment and fermentation capability, though with a much broader portfolio.
• Alfa Laval: Swedish multinational providing heat transfer, separation, and fluid handling equipment including components and systems used in fermentation and bioprocessing. Comparable to Pierre Guérin at the component/system level across food and pharma process industries, though broader in scope.
• Thermo Fisher Scientific (Bioproduction): Global life sciences giant offering bioproduction equipment including bioreactors, single-use systems, and process services through its bioproduction business. Comparable to Pierre Guérin in bioprocess equipment, though serving customers as part of a much broader life sciences portfolio.

Emerging players

• PBS Biotech: US-based manufacturer of single-use bioreactors for cell culture and fermentation processes. Comparable to Pierre Guérin in the bioreactor category, though focused on the single-use rather than stainless-steel segment, representing both competition and a structural shift in the market.
• Solaris Biotechnology: Italian manufacturer of bioreactors and fermenters for pharma, biotech, and food applications with a strong presence in single-use and stainless-steel systems. Comparable to Pierre Guérin in the SME segment of bioprocess equipment manufacturers serving similar customer verticals.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/pierreguerinsas
• Facebookfacebook.com/pierreguerinsas
• LinkedInlinkedin.com/company/pierre-guerin-sas

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds1 record

Investors1 record

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 Pierre Guérin