Grupo CEI

What Grupo CEI does

Grupo CEI (legal name CEI- SERVICOS DE ENGENHARIA) is a privately held Brazilian electrical engineering and infrastructure contractor founded in November 1993 and headquartered in Contagem, Minas Gerais. The company originally industrialized electrical panels before repositioning to focus on electrical engineering and infrastructure works for both public and private sector clients across Brazil, operating with a technical corps of engineers and technicians.

The company's offering is organized around three core service lines: high voltage substations (design, construction, electromechanical and electrical assembly, equipment procurement, inspection, testing, commissioning, and startup), medium voltage substations (construction, assembly, testing, commissioning, and replacement of low and medium voltage cubicles), and low voltage electromechanical assembly (industrial and building installations including CCTV, SPDA, SDAI, busways, UPS, rectifiers, lighting, telecom infrastructure, DC/battery banks, and fire protection). Underlying technology is conventional electrical engineering rather than proprietary software or digital platforms.

Grupo CEI monetizes through project-based, quote-driven contracts with both public and private clients, including multi-year engagements, with no public pricing list. Its customer base is diversified at the logo level across energy distribution (CEMIG), mining and steel (Vale, CSN, Usiminas, AngloGold Ashanti, Gerdau, Vallourec, Magnesita), telecom (Claro, TIM, Oi), healthcare (Rede D'Or, Hospital MaterDei, Hospital Bartira, Hemominas, Funed, Copasa), media (Rede Globo), and government (Banco Central, Casa da Moeda, DEOP, ALMG), with go-to-market executed via direct sales, referrals, and public tender bidding. The company employs 101-250 staff, has no disclosed external investment, no subsidiaries, and received the 'Prêmio Melhores Fornecedores CEMIG 2024' recognition from a major Brazilian utility.

Name

Grupo CEI

Legal name

CEI- SERVICOS DE ENGENHARIA

Website

https://grupocei.com.br

Company type

Private

Founded year

1993

Operating status

Operating

Headcount range

101–250 employees

Short description

Grupo CEI is a privately held Brazilian electrical engineering contractor founded in 1993, headquartered in Contagem, Minas Gerais. It designs, builds, and commissions high and medium voltage substations and electromechanical installations for utility, industrial, telecom, healthcare, and government clients across Brazil.

Ownership category

akta.pro rank

Product category

Electrical Engineering Services

NAICS

Electric Power Transmission, Control, and Distribution (22112), Electric Bulk Power Transmission and Control (221121), Electric Power Distribution (221122)

SIC

Electrical Work (1731), Power, Distribution & Specialty Transformers (3612)

akta.pro industry

PRIMARYEUADAKAC

Substation EPC & construction (AIS/GIS, greenfield/brownfield)

Energy, Utilities & Environment/Electric Transmission & Distribution (T&D)/T&D Construction, Engineering & EPC Services

SECONDARYEUAEABAI

Testing, Commissioning & Energization Services (HV)

Energy, Utilities & Environment/Energy Infrastructure & Services (EPC, O&M, Field Services)/Transmission & Substation EPC (High Voltage)

SECONDARYEUAEACAC

Distribution Substations & Switching Stations (MV) EPC

Energy, Utilities & Environment/Energy Infrastructure & Services (EPC, O&M, Field Services)/Distribution Grid EPC & Line Services (Medium/Low Voltage)

SECONDARYEUAEAJAC

Electrical Pre-Commissioning & Energization Support

Energy, Utilities & Environment/Energy Infrastructure & Services (EPC, O&M, Field Services)/Commissioning, Start-up & Turnaround Services

Keywords

• Electrical engineering services
• Substation construction
• Electromechanical assembly
• Power infrastructure contracting
• Industrial electrical services

Headquarters

HQ city

Contagem

HQ country

Brazil

HQ region

Latin America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering and Construction Services: Provides electrical engineering services including construction, assembly, and commissioning of high and medium voltage substations, as well as electromechanical installations for industrial and building projects. Revenue is generated through project-based contracts with both public and private sector clients across Brazil.

Pricing tiers

Distribution channels1 record

Marketing channels1 record

Core offering

Grupo CEI provides electrical engineering, construction, electromechanical assembly, and commissioning services for high and medium voltage substations, as well as industrial and building low voltage electrical installations. Services span project design, equipment procurement, installation, inspection, testing, commissioning, and startup, delivered to public and private sector clients throughout Brazil.

Product overview

Grupo CEI is an electrical engineering company offering a portfolio of specialized services centered on electrical infrastructure projects. The company operates three primary service lines: High Voltage Substations (Subestações em Alta Tensão), Medium Voltage Substations (Subestações em Média Tensão), and Low Voltage Electromechanical Assembly (Montagem Eletromecânica em Baixa Tensão). These services encompass project design, construction, electromechanical assembly, inspection, testing, commissioning, and startup. The company primarily serves industrial, commercial, and public sector clients throughout Brazil, with notable projects for utilities, telecommunications, healthcare, and manufacturing facilities.

Differentiator

Problem solved

Functional benefit

Products and services

• High Voltage Substations (Subestações em Alta Tensão)

Named customers24 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators2 records

Recent moves4 records

Expansion highlights3 records

Regional players

• Promon Engenharia: Brazilian engineering and EPC firm active in power, industrial, and infrastructure projects. Competes with Grupo CEI for industrial and utility electrical EPC mandates in Brazil.
• ISA Cteep (ISA Energía Brasil): Major Brazilian transmission system operator that outsources substation construction and maintenance EPC. A potential customer and adjacent player to Grupo CEI in the HV transmission substation segment in Brazil.
• Reivax S/A: Brazilian electrical engineering firm specializing in generation and substation control, protection, and excitation systems. Comparable Brazilian peer for technical electrical engineering services adjacent to Grupo CEI's substation work.

Broad incumbents

• WEG: Major Brazilian manufacturer of transformers, switchgear, generators, and electrical equipment, with growing EPC and service capabilities. Adjacent competitor and potential partner to Grupo CEI in substation and industrial electrical projects.
• Schneider Electric: Global electrical equipment and solutions provider with a strong Brazilian presence across MV/LV switchgear, automation, and substation solutions. Grupo CEI references Schneider-homologated panels in its cogeneration work for Ecogen, indicating a vendor/partnership relationship.

Direct peers

• Siemens Energy: Supplies HV substation EPC services, switchgear, transformers, and grid automation to Brazilian utilities and industrial customers. A direct competitor for large substation projects where Grupo CEI also bids.
• GE Vernova (formerly GE Grid Solutions): Provides HV substations, switchgear, and grid EPC solutions globally and in Brazil. Overlaps with Grupo CEI in substation construction, testing, and commissioning, particularly for utility-scale projects.
• Hitachi Energy (formerly ABB Power Grids): Global market leader in high-voltage substation EPC, equipment, and grid integration. Directly competes with Grupo CEI for HV/MV substation construction and commissioning work in Brazil, though at a much larger scale.

Others

• Cemig Distribuição (as customer reference): Major Brazilian distribution utility and Grupo CEI's anchor customer (multi-substation contract and 2024 Best Supplier award). Included as a key ecosystem participant to contextualize Grupo CEI's primary revenue dependency.
• Alstom (transport focus post-energy divestiture): After divesting its energy business to GE, Alstom is no longer a direct substation peer, but the historical Alstom brand in Brazilian HV substation EPC provides a reference point for the competitive landscape Grupo CEI operates in.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/grupoceiengeletrica

Revenue estimate

Valuation estimate

Number of profiles

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 Grupo CEI