ESI Group
ESI Group, now Keysight CAE, provides virtual prototyping and multiphysics simulation software to automotive, aerospace, and heavy machinery manufacturers, offering CAE suites for crash, NVH, casting, forming, and VR-based validation.
- Company typePrivate
- Founded1973
- HeadquartersParis, France
- Headcount1,001–5,000
- GTM typeB2B
- OfferingSoftware
What ESI Group does
ESI Group, founded in 1973 in Paris, France, was a pioneer in virtual prototyping and multiphysics simulation software for industrial manufacturers before being acquired by Keysight Technologies in 2023 for approximately $1 billion. Following the acquisition, ESI Group operates as Keysight CAE, a division within Keysight's Design Engineering Software portfolio, and contributed $141 million in incremental revenue in Keysight's fiscal year 2024.
The company's product portfolio is organized into four integrated suites: the Performance Suite (Structural Mechanics/VPS, Vibro-Acoustics/VA One, Multi-Domain Systems/SimulationX, Fluid Dynamics/OpenFOAM), the Manufacturing Suite (ProCAST for casting, PAM-STAMP for sheet metal forming, PAM-COMPOSITES, Assembly, Stamping, Welding/SYSWELD), the Immersive Suite (IC.IDO for VR-based human workflow validation), and the Integrated Physics Suite for multiphysics drop/impact/shock/vibration compliance testing. These tools serve automotive, aerospace & defense, and heavy machinery manufacturers, addressing use cases such as crash simulation, NVH analysis, manufacturing process validation, and lightweight multi-material assembly design.
ESI Group (now Keysight CAE) generates revenue primarily through enterprise CAE software licensing and professional services, including technical support, training, and university programs. Pricing is quote-based and not publicly disclosed, with multi-year contract structures typical of enterprise simulation software. Go-to-market is consultative enterprise field sales, supported by content marketing, industry events, training programs, and university partnerships. The company maintains a global footprint with operations in North America, Europe, and Asia Pacific, including a December 2024 strategic partnership with China's CAERI establishing an Intelligent Simulation Center of Excellence in Chongqing.
ESI Group firmographics
Firmographics- Name
- ESI Group
- Legal name
- ESI Group
- Website
- http://www.esi-group.com
- Company type
- Private
- Founded year
- 1973
- Operating status
- Acquired
- Headcount range
- 1,001–5,000 employees
- Short description
- ESI Group, now Keysight CAE, provides virtual prototyping and multiphysics simulation software to automotive, aerospace, and heavy machinery manufacturers, offering CAE suites for crash, NVH, casting, forming, and VR-based validation.
- Ownership category
- akta.pro rank
ESI Group industry classification
Industry- Product category
- Computer-Aided Engineering (CAE) Software
- NAICS
- Computer Systems Design and Related Services (54151)
- SIC
- Services-Prepackaged Software (7372)
- akta.pro primary industry
- Industrial Automation Software (SCADA, HMI, MES, Historian) (IMAHAHAJ)
- akta.pro secondary industry
- Avionics Software, Certification & Safety-Critical Systems (DO-178/DO-254) (IMABAFAK)
Keywords
Where ESI Group is headquartered
LocationHeadquarters
- HQ city
- Paris
- HQ country
- France
- HQ region
- Europe
Markets served
ESI Group business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Marketing or Sales, Operations
Revenue model
- CAE Software Licensing: Enterprise CAE software licenses sold to aerospace, automotive, and heavy machinery manufacturers for virtual prototyping and simulation purposes
- Computer Aided Engineering Services: Professional services including technical support, training offerings, and university programs
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Enterprise CAE solutions with quote-based pricing |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels4 records
ESI Group product offering
Product offeringCore offering
ESI Group, now operating as Keysight CAE following its acquisition by Keysight Technologies, develops and licenses computer-aided engineering (CAE) software for virtual prototyping and manufacturing simulation. Its solutions enable industrial manufacturers to simulate, predict, and optimize the behavior of products, manufacturing processes, and human-centric operations across automotive, aerospace, heavy machinery, energy, and electronics industries. The portfolio spans performance simulation, manufacturing process simulation, immersive virtual reality evaluation, and integrated multiphysics simulation delivered primarily through software licensing and professional services.
Product overview
Keysight CAE (formerly ESI Group) offers a comprehensive portfolio of virtual prototyping and simulation solutions organized into four main suites. The Performance Suite provides tools for fluid dynamics, structural mechanics, and vibro-acoustic analysis. The Manufacturing Suite covers casting, forming, stamping, assembly, and welding simulations. The Immersive Suite delivers VR-based human workflow validation, while the Integrated Physics Suite enables multiphysics testing for drop, impact, shock, and vibration compliance. The company traces its roots to over 50 years of engineering innovation, having delivered the world's first virtual vehicle crash test, and now helps manufacturers accelerate time to market through reduced reliance on physical prototypes.
Differentiator
Problem solved
Functional benefit
Brands
- Performance Suite: Includes Fluid Dynamics (OpenFOAM), Multi-Domain Systems (SimulationX), Structural Mechanics (VPS), and Vibro-Acoustics (VA One) simulation tools.
- Manufacturing Suite
- Immersive Suite
- Integrated Physics Suite
Products and services
- Virtual Performance Suite (VPS)
- Virtual Manufacturing Suite
- Virtual Immersive Suite
Companies that use ESI Group
Customer profileNamed customers2 records
Segments3 records
Ideal customer profiles1 record
ESI Group technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature8 records
ESI Group partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- China Automotive Engineering Research Institute Co., Ltd. (CAERI)coreESI Group and CAERI launched a strategic partnership to advance intelligent simulation technology for the automotive industry, establishing an Intelligent Simulation Center of Excellence in Chongqing, China. The collaboration focuses on co-developing virtual simulation solutions tailored to China's automotive sector while exploring international opportunities, combining ESI Group's global expertise with CAERI's industry leadership.
Scale indicators2 records
Recent moves6 records
Expansion highlights5 records
ESI Group competitors and assessment
Company assessmentDirect peers
- Ansys: The largest pure-play CAE/multiphysics simulation vendor, competing head-to-head with ESI's Performance, Manufacturing, and Integrated Physics suites across structural, fluids, thermal, and electromagnetics.
- Siemens Digital Industries Software (Simcenter): Simcenter is Siemens's CAE portfolio covering structural, thermal, NVH, and manufacturing simulation, directly competing with ESI's VPS, VA One, ProCAST, and PAM-STAMP lines.
- Dassault Systèmes (SIMULIA): SIMULIA provides Abaqus-based structural simulation and multiphysics tools, directly overlapping with ESI's structural mechanics (VPS) and vibro-acoustics offerings for aerospace and automotive OEMs.
- Altair Engineering: Altair offers CAE suites (HyperWorks, Inspire) covering structural, fluids, and manufacturing simulation, competing directly with ESI across performance and manufacturing verticals.
- Hexagon (MSC Software): MSC's Adams, Nastran, and Cradle products cover structural, multibody dynamics, and vibro-acoustics — overlapping with ESI's VA One, VPS, and Performance Suite in automotive and aerospace accounts.
- COMSOL: COMSOL specializes in multiphysics simulation with strong adoption in academic and advanced R&D settings, competing with ESI's Integrated Physics Suite and SimulationX multiphysics positioning.
- Autodesk (Fusion 360 Simulation): Autodesk's Fusion 360 and Nastran-based simulation offerings provide CAE capability to a broader design-engineering audience, overlapping with ESI's lower-end seats and manufacturing workflow tools.
Broad incumbents
- Cadence Design Systems: Cadence has expanded from EDA into system analysis and multiphysics (via NUMECA/Pointwise), becoming a broader design-engineering incumbent that competes with ESI in system-level simulation adjacent to Keysight's portfolio.
- Synopsys: Synopsys is an EDA incumbent that has added multi-physics and system simulation capabilities, competing at the intersection of electronic and physical design that Keysight CAE now addresses post-ESI acquisition.
Emerging players
- BETA CAE Systems: BETA CAE provides ANSA pre-processors and MBD/CFD solutions used alongside or in place of ESI's tools, particularly in automotive CAE workflows where pre/post-processing is a key differentiator.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat5 records
Key risks5 records
Key highlights5 records
Customer concentration
ESI Group social profiles
Digital presenceESI Group financial estimates
Financial estimateRevenue estimate
Valuation estimate
ESI Group leadership team
Management profileNumber of profiles
Profiles6 records
ESI Group subsidiaries and ownership
Company hierarchySubsidiaries1 record
ESI Group funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
ESI Group M&A and investment
M&A and investmentM&A14 records
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about ESI Group
What does ESI Group do?
ESI Group, now operating as Keysight CAE following its acquisition by Keysight Technologies, develops and licenses computer-aided engineering (CAE) software for virtual prototyping and manufacturing simulation. Its solutions enable industrial manufacturers to simulate, predict, and optimize the behavior of products, manufacturing processes, and human-centric operations across automotive, aerospace, heavy machinery, energy, and electronics industries. The portfolio spans performance simulation, manufacturing process simulation, immersive virtual reality evaluation, and integrated multiphysics simulation delivered primarily through software licensing and professional services.
Is ESI Group a public or private company?
ESI Group is a private company. It is classified as corporate owned and is currently acquired.
When was ESI Group founded?
ESI Group was founded in 1973. It employs 1,001 to 5,000 people.
Where is ESI Group based?
ESI Group is headquartered in Paris, France, in the Europe region.
How does ESI Group make money?
Two revenue lines are on record. CAE Software Licensing is the primary driver. The others are computer Aided Engineering Services.
Who are ESI Group's main competitors?
Direct peers on record are Ansys, Siemens Digital Industries Software (Simcenter), Dassault Systèmes (SIMULIA), Altair Engineering, Hexagon (MSC Software), COMSOL and Autodesk (Fusion 360 Simulation). Broad incumbents are Cadence Design Systems and Synopsys. BETA CAE Systems is listed as an emerging player.
Does ESI Group have an API?
No public API is recorded for ESI Group.
What industry is ESI Group in?
ESI Group's product category is Computer-Aided Engineering (CAE) Software. Its primary akta.pro industry code is IMAHAHAJ, Industrial Automation Software (SCADA, HMI, MES, Historian), with a secondary code of IMABAFAK, Avionics Software, Certification & Safety-Critical Systems (DO-178/DO-254). Its NAICS code is 54151 and its SIC code is 7372.