CNAE 4399-1/01 · Brazil
Administração de obras
13,567 active companies in the Brazilian CNPJ registry have this CNAE as their main activity. Look up companies and explore their distribution by state and city.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
What this list shows
We count each active company in the Brazilian CNPJ registry once, by its head office and this CNAE as its main activity. Branches and secondary activities are excluded from this scope. The total describes the registry, not market revenue or company quality.
- Active companies
- 13,567
- 270th of 1,329 activities
- Opened in 12 months
- 2,517
- +7.3% · 241st by openings
- Of every 100 companies in the country
- 0.1
- do this activity
- Openings per 100 active
- 19
- in the country: 21
Active companies in this activity
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.- PRIORI CONSTRUTORA E INCORPORADORA LTDAFlorianópolis (SC)
- MANSERV FACILITIES LTDASão Caetano do Sul (SP)
- DS CONSTRUCAO E INCORPORACAO LTDASão José (SC)
- MEDRAL ENERGIA LTDASão Paulo (SP)
- CONSTRUTORA ZENTOR LTDACuritiba (PR)
- LYON ENGENHARIA COMERCIAL LTDABelo Horizonte (MG)
- SPE MOZAK ENGENHARIA ESTANCIA PERNAMBUCO LTDARio de Janeiro (RJ)
- SNA SERVICOS LTDAPojuca (BA)
- CONSTRUTORA FIEBIG LTDAErechim (RS)
- VIRTUA EMPREENDIMENTOS IMOBILIARIOS LTDASão José (SC)
- MARCIO MENDES & CIA LTDATubarão (SC)
- PATMOS ENGENHARIA E PARTICIPACOES LTDAViana (ES)
How to assess a company's data
When you open a company's record, use these guides to check the data and understand what each field can establish.
- How to look up a CNPJ
Check identifiers, dates and registry fields against official sources.
- What an active CNPJ means
Active status does not show that a company is debt-free, licensed or able to operate.
- How to read partner and administrator records
Understand QSA roles and the limits on ownership and representation information.
Where the companies are
Weight in each federative unit: of every 100 active companies, how many have this main activity
- 0.0
- 0.0
- 0.0
- 0.0 – 0.1
- 0.1
Federative units with the most companies
- 1 São Paulo 5,322
- 2 Minas Gerais 1,250
- 3 Paraná 1,031
- 4 Santa Catarina 850
- 5 Rio Grande do Sul 788
- 6 Rio de Janeiro 724
- 7 Goiás 495
- 8 Bahia 464
- 9 Ceará 335
- 10 Distrito Federal 264
See the 27 federative units
- 11 Pernambuco 243
- 12 Espírito Santo 220
- 13 Mato Grosso 204
- 14 Pará 182
- 15 Mato Grosso do Sul 170
- 16 Maranhão 164
- 17 Amazonas 154
- 18 Rio Grande do Norte 126
- 19 Paraíba 93
- 20 Alagoas 92
- 21 Piauí 87
- 22 Tocantins 84
- 23 Sergipe 79
- 24 Rondônia 52
- 25 Acre 35
- 26 Roraima 28
- 27 Amapá 16
Cities with the most companies
active companies by head office
- 1 São Paulo (SP) 2,421
- 2 Curitiba (PR) 440
- 3 Belo Horizonte (MG) 352
- 4 Rio de Janeiro (RJ) 322
- 5 Porto Alegre (RS) 266
- 6 Brasília (DF) 264
- 7 Goiânia (GO) 230
- 8 Fortaleza (CE) 211
- 9 Campinas (SP) 177
- 10 Florianópolis (SC) 171
See the 30 cities
- 11 Manaus (AM) 142
- 12 Salvador (BA) 137
- 13 Sorocaba (SP) 127
- 14 São José dos Campos (SP) 123
- 15 Campo Grande (MS) 114
- 16 Ribeirão Preto (SP) 113
- 17 Barueri (SP) 110
- 18 Uberlândia (MG) 100
- 19 Guarulhos (SP) 100
- 20 Recife (PE) 99
- 21 São José do Rio Preto (SP) 84
- 22 Santo André (SP) 81
- 23 Osasco (SP) 76
- 24 Maringá (PR) 69
- 25 Joinville (SC) 68
- 26 São Bernardo do Campo (SP) 64
- 27 Itajaí (SC) 63
- 28 Natal (RN) 62
- 29 Londrina (PR) 62
- 30 Cuiabá (MT) 61
What activity 4399-1/01 is
- Section F — Construção
- Division — Serviços especializados para construção
- Group — Outros serviços especializados para construção
- Class — Serviços especializados para construção não especificados anteriormente
What it covers
- As atividades de gerenciamento e execução de obras através de contrato de construção por administração
- As atividades de direção e a responsabilidade técnica da obra
What it does not cover
- A execução de obras por empreitada ou subempreitada (divisões 41 ou 42)
- A incorporação de empreendimentos imobiliários (4110-7/00)Classified under: 4110-7/00 Incorporação de empreendimentos imobiliários
- Os serviços especializados de engenharia (concepção de projetos estruturais e de instalações, supervisão, fiscalização e gerenciamento de projetos de construção) (7112-0/00)Classified under: 7112-0/00 Serviços de engenharia
Typical activities
- Administração de obras de habitação de interesse social
- Obras por contrato de construção por administração, direção e responsabilidade técnica de
- Obras por contrato de construção por administração, execução de
- Obras por contrato de construção por administração, gerenciamento de
- Serviço de administração de obras
- Serviço de gerenciamento e execução de obras por contrato de construção por administração
The activities of class 4399-1
serviços especializados para construção não especificados anteriormente, by subclass| Subclass | Active | Openings | Change |
|---|---|---|---|
| 4399-1/01 Administração de obras · this one | 13,567 | 2,517 | +7.3% |
| 4399-1/02 Montagem e desmontagem de andaimes e outras estruturas temporárias | 1,305 | 140 | −11.9% |
| 4399-1/03 Obras de alvenaria | 614,649 | 130,023 | +10.9% |
| 4399-1/04 Serviços de operação e fornecimento de equipamentos para transporte e elevação de cargas e pessoas para uso em obras | 3,268 | 355 | −11.9% |
| 4399-1/05 Perfuração e construção de poços de água | 5,395 | 900 | +6.9% |
| 4399-1/99 Serviços especializados para construção não especificados anteriormente | 35,465 | 7,565 | +14.5% |
Frequently asked questions about CNAE 4399-1/01
How many CNAE 4399-1/01 companies are there in Brazil?
13,567 active companies have CNAE 4399-1/01 as their main activity, according to the Receita Federal's October 2026 publication. It is 270th among the country's activities by companies.
Which activities make up class 4399-1?
Class 4399-1 has 6 subclasses: 4399-1/01; 4399-1/02; 4399-1/03; 4399-1/04; 4399-1/05; 4399-1/99. The official names are in the subclass table. A company declares one main activity and may declare others as secondary activities.
Which federative unit has the most companies in this activity?
São Paulo, with 5,322. There, 0.1 of every 100 active companies have this main activity, against 0.1 in the national registry.
Does this total include branches and secondary activities?
No. Each active company is counted once, by its head office and registered main activity. A company may carry out this activity as a secondary activity and be excluded from the count. Geographic distribution uses the registered location; records without a recognized federative unit may be counted nationally without appearing in local groups.
Does active status mean a company is qualified for a contract?
No. Active status describes the Receita Federal registration. It does not establish tax compliance, creditworthiness, licences, ability to fulfil a contract or quality. Check the relevant official documents and the contract's requirements.
How we count
Active companies in the Brazilian CNPJ registry with this as their main activity, counted once by head office. Location is taken from the registry. Where available, openings are for the last 12 months, compared with the previous 12 months.