What ESSS does

ESSS is a Brazilian engineering simulation company founded in 1995, headquartered in Florianópolis, with 387 employees operating across 15 offices in Latin America, Portugal, Spain, Italy, and Mexico. The company serves as the official Apex Channel Partner for Ansys (now part of Synopsys) for these regions — the highest tier of Ansys partnership — distributing and supporting the full Ansys simulation portfolio covering structural (Mechanical, LS-DYNA), CFD (Fluent, CFX, Rocky, FreeFlow), electromagnetic (HFSS, Maxwell, SIwave, AEDT), and systems-level tools (Twin Builder, SCADE, medini analyze, Granta MI, Lumerical FDTD). Alongside software distribution, ESSS develops proprietary solutions including the ALFAtwin digital twin platform for oil and gas asset management and a patented LSTM neural network tool for rock formation consolidation analysis that received the Petrobras Inventor Award 2024.

The company generates revenue through four streams: Ansys software license subscriptions and maintenance, technical consulting and simulation services, training and certification through Instituto ESSS (iESSS) — which has delivered 60+ courses in four languages to 20,000+ professionals — and proprietary solution licensing. Customer concentration is across aerospace and defense, automotive, energy, electronics, mining, chemicals, and academic institutions, with marquee enterprise clients including Petrobras, WEG, Ansaldo Energia, Nidec, Arteche, and Smart Modular Technologies.

ESSS's go-to-market combines direct enterprise field sales for complex multiphysics engagements, an event- and webinar-driven lead generation engine, and an academic pipeline channel through student and university licensing programs. Operationally, the company has pursued an active expansion strategy: it acquired the Ansys distribution business from CADland in Italy (2024), partnered with SimuTech Group to form ESSS México (2026), and through that vehicle acquired Grupo SSC's Ansys division to consolidate presence in Mexico and Central America (2026). The company remains privately held with no disclosed external investors and is led operationally by Mario Sofia in the dual role of Chief Revenue Officer and General Manager.

Name

ESSS

Legal name

ENGINEERING SIMULATION AND SCIENTIFIC SOFTWARE LTDA

Website

https://esss.com

Company type

Private

Founded year

1995

Operating status

Operating

Headcount range

251–500 employees

Short description

ESSS is a Brazilian engineering simulation company and Apex Channel Partner for Ansys, distributing the full CAE software portfolio and proprietary digital twin solutions across Latin America, Portugal, Spain, Italy, and Mexico for 700+ enterprise clients.

Ownership category

akta.pro rank

Headquarters

HQ city

Florianópolis

HQ country

Brazil

HQ region

Latin America

Offices3 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

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

Revenue model

1. Ansys Software Distribution: Resale and distribution of Ansys simulation software as official channel partner. Revenue generated from software licenses, subscriptions, and maintenance contracts for the complete Ansys portfolio including Mechanical, Fluent, CFX, HFSS, Maxwell, Rocky, Discovery, and LS-DYNA.
2. Technical Training and Courses: Instituto ESSS (iESSS) provides simulation training courses with Ansys certification. Revenue from specialized courses, online training, in-person intensives, and corporate dedicated training programs.
3. Consulting and Simulation Services: Technical consulting services, simulation project support, and application engineering assistance to help companies implement and utilize simulation tools effectively for their engineering challenges.
4. Proprietary Software Solutions: Revenue from proprietary solutions including ALFAtwin digital twin platform and specialized tools developed for specific industry applications like oil and gas.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels6 records

Core offering

ESSS is the official Apex Channel Partner for Ansys simulation software across Latin America, Portugal, Spain, and Italy, distributing the complete Ansys portfolio covering structural FEA, CFD, electromagnetics, particle simulation, and electronics. The company complements software distribution with technical consulting, simulation project support, and training delivered through Instituto ESSS (iESSS). ESSS also develops proprietary solutions including the ALFAtwin digital twin platform for oil and gas asset management and LSTM neural network tools for rock formation consolidation analysis.

Product overview

ESSS serves as an Apex Channel Partner and official representative for Ansys (part of Synopsys) across Latin America, Portugal, Spain, and Italy, distributing a comprehensive portfolio of simulation software. The core offering centers on Ansys tools including mechanical simulation (Ansys Mechanical, LS-DYNA), fluid dynamics (Fluent, CFX, Rocky, FreeFlow), electromagnetics (HFSS, Maxwell, SIwave), and electronic systems (Electronics Desktop, Icepak). Recent additions through Synopsys integration include functional safety (medini analyze), materials intelligence (Granta MI), and photonic design (Lumerical) tools. The portfolio integrates AI capabilities through GeomAI for generative geometry, SimAI for simulation acceleration, Engineering Copilot for AI assistance, and TwinAI/Twin Builder for digital twin applications. ESSS complements software distribution with training services through the iESSS institute, technical consulting, and specialized solutions for energy and oil & gas industries via ESSS Energy.

Differentiator

Problem solved

Functional benefit

Brands

• ESSS Energy: Solutions for energy, oil and gas industry focusing on efficient, clean and safe processes.
• Instituto ESSS (iESSS)
• ESSS México

Products and services

• Ansys Mechanical Comprehensive structural, thermal, acoustic, transient, and nonlinear simulation tool for engineering analysis across multiple disciplines, used by engineers for product development and validation.
• Ansys LS-DYNA Explicit simulation tool widely used for crash analysis, impact, and highly nonlinear dynamic problems requiring transient loading.
• Ansys Fluent Industry-leading computational fluid dynamics (CFD) software with advanced modeling capabilities for fluid flow, heat transfer, and chemical reactions.
• Ansys CFX CFD solution specifically designed for turbomachinery applications, reducing development time with specialized analysis capabilities.
• Ansys Discovery Real-time simulation and design refinement tool enabling instant results for concept exploration and design validation.
• Ansys Rocky Particle simulation tool (DEM) that applies realistic simulation considering the shape and size of particles for granular and discontinuous materials.
• Ansys HFSS High-frequency electromagnetic simulation tool for analyzing electromagnetic phenomena in devices and systems at high frequencies.
• Ansys Maxwell Low-frequency electromagnetic simulation tool for analyzing electromagnetic devices including motors, transformers, and sensors.
• Ansys Portfolio (Complete) Complete Ansys simulation portfolio including structural, CFD, electromagnetics, electronics, functional safety, materials intelligence, photonics, and embedded software simulation tools.
• ESSS Energy Specialized solutions for energy, oil, and gas industries offering efficient, clean, and safe processes, including the ALFAtwin digital twin solution for asset management.
• Instituto ESSS (iESSS) ESSS training institute offering simulation courses with international ESSS/Ansys certification, including over 60 online and in-person courses in Portuguese, English, Spanish, and Italian.
• Technical Consulting and Simulation Services Technical consulting services, simulation project support, and application engineering assistance to help companies implement and utilize simulation tools effectively for their engineering challenges.
• ALFAtwin Digital Twin Platform Proprietary digital twin solution for oil and gas industry based on digital twins for asset management that can help increase oil production efficiency and reduce costs in petroleum production and flow assurance.

Quantifiable outcome

• WEG achieved 20% reduction in rotor manufacturing costs and 23% reduction in ventilation losses using Ansys simulation
• +3 more outcomes

Named customers9 records

Segments9 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration7 records

AI capability9 records

Feature4 records

Partnerships

Five partnerships are on record, tiered core and minor.

• SimuTech GroupcoreChannel Partner/ Reseller/ Distributor · 3 March 2026Partnership between ESSS and SimuTech Group to operate ESSS Mexico, the main Ansys channel partner in Mexico and Central America. SimuTech Group is the largest Ansys Apex Channel Partner in North America with over 40 years of Ansys relationship. This partnership strengthens ESSS's international expansion and ANSYS ecosystem leadership in Latin America.
• Grupo SSCcoreChannel Partner/ Reseller/ Distributor · 3 March 2026Acquisition of the Ansys division of Grupo SSC by ESSS Mexico. Grupo SSC pioneered Simulation-Based Engineering (SBES) for over 36 years in Mexico and Central America. The acquisition integrates the Ansys team from Grupo SSC into ESSS Mexico operations, creating a robust team of multifísica specialists.
• SynopsyscoreTechnology or Integration · 17 July 2025ESSS operates as ESSS, an Ansys, part of Synopsys, Apex Channel Partner following Synopsys' acquisition of Ansys in July 2025. This union combines leaders in silicon design, IP, simulation, and analysis to create the premier reference for engineering solutions from silicon to systems.
• CADlandminorChannel Partner/ Reseller/ Distributor · 1 January 2024ESSS Italy acquired the Ansys software distribution business from CADland, strengthening ESSS's position in the Southern European market including Italy.
• AnsyscoreChannel Partner/ Reseller/ DistributorOfficial representative and Apex Channel Partner for Ansys simulation software tools covering complete portfolio including Mechanical, Fluent, CFX, HFSS, Maxwell, Rocky, Discovery, and LS-DYNA. Authorized to distribute and support all Ansys products in Latin America, Portugal, Spain, and Italy.

Scale indicators9 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Dassault Systèmes: Global PLM and 3D design software leader (CATIA, SIMULIA) offering CAE capabilities that compete with Ansys portfolio distributed by ESSS. Major incumbent operating broadly in the same engineering software industry with overlapping simulation and design customer base.
• Altair Engineering: CAE and engineering software vendor (HyperWorks, Inspire) majority-owned by Siemens. Competes with Ansys in structural, electromagnetic, and optimization simulation and is sold into the same enterprise engineering customers that ESSS serves.
• Siemens Digital Industries Software: Provider of Siemens NX, Simcenter, and other PLM/CAE solutions. Major incumbent in the broader engineering simulation market whose portfolio overlaps substantially with the Ansys portfolio that ESSS distributes and supports.
• COMSOL: Multiphysics simulation software vendor whose products overlap with parts of the Ansys portfolio (electromagnetics, multiphysics). As a software vendor rather than channel partner, COMSOL is a broad incumbent competing for the same engineering simulation budgets that ESSS helps customers allocate.

Direct peers

• SimuTech Group: Largest Ansys Apex Channel Partner in North America with 40+ years of Ansys relationship. Now partnered with ESSS in Mexico for Central America operations, making it the closest peer in business model, customer type, and channel partner economics.
• EDRMedeso: Ansys Apex Channel Partner in the Nordics and selected European markets providing simulation software distribution, consulting, and training services. Directly comparable business model to ESSS in European regions and overlapping customer industries.
• CAE Associates: US-based Ansys Elite Channel Partner providing CAE simulation software distribution, engineering consulting, and training. Directly comparable business model and value proposition to ESSS as a regional Ansys channel partner with multiphysics expertise.
• Beta CAE Systems: Developer of ANSA pre-processor and EPILYSIS solver used alongside Ansys tools in CAE workflows. Serves many of the same enterprise engineering customers (automotive, aerospace) as ESSS and is often deployed in the same simulation toolchains.
• CADFEM: Former leading European Ansys Apex Channel Partner (Germany, Switzerland, Austria), now integrated into Ansys. Closest historical analog to ESSS in operating model as an exclusive regional Ansys partner providing software distribution, consulting, and training across multiple European countries.

Emerging players

• Multiphysics Engineering: India-based Ansys channel partner providing CAE simulation software, consulting, and training services. Comparable as an emerging regional Ansys partner with similar service portfolio to ESSS, though smaller in scale and focused on India rather than Latin America/Europe.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/esss
• LinkedInlinkedin.com/company/esss

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries3 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 ESSS