Business intelligence by activity

    CNAE 8640208 Companies · Serviços de diagnóstico por registro gráfico - ECG, EEG e outros exames análogos

    The CNAE brings together 1,765 registered establishments, of which 1,141 are active (64.6% of the activity's base).

    National position763th among the top CNAEs.
    Receita Federal dataRegistration data organized by CNPJ Data.
    Reference dateAugust 09, 2026

    Visual reading

    CNAE indicators in numbers

    Visual comparison of registration status, geographic distribution and annual dynamics. The complete tables and texts remain available for consultation.

    Registration status

    Distribution of establishments by status.

    Ativa: 1.141 (64.6%)Baixada: 503 (28.5%)Inapta: 116 (6.6%)Suspensa: 5 (0.3%)1.765estabelecimentos
    • Ativa64.6%
    • Baixada28.5%
    • Inapta6.6%
    • Suspensa0.3%

    States with the most active companies

    Comparison of the UFs with the highest concentration.

    Cities with the highest concentration

    Top municipalities by active establishments.

    Openings, closures and annual balance

    The 2026 series is partial.

    AberturasBaixasSaldo

    2026

    Aberturas: 62

    Baixas: 25

    Saldo: 37

    96724824019881992199620002004200820122016202020242026

    CNAE 8640208 Panorama

    Reference data as of August 09, 2026. National position: 763th.

    Registered establishments
    1,765
    Active establishments
    1,141
    Closed establishments
    503
    Distinct root CNPJs
    1,624

    CNAE registration status

    Distribution of the activity's establishments by registration status.

    Ativa

    1,141

    64.6% of the base

    Baixada

    503

    28.5% of the base

    Inapta

    116

    6.6% of the base

    Suspensa

    5

    0.3% of the base

    Nula

    0

    0.0% of the base

    Geographic distribution

    States with the most active companies

    Top 10

    Where the active establishments of this CNAE are concentrated.

    1São Paulo (SP)
    239· 20.9%
    2Rio de Janeiro (RJ)
    159· 13.9%
    3Minas Gerais (MG)
    140· 12.3%
    4Rio Grande do Sul (RS)
    84· 7.4%
    5Goiás (GO)
    76· 6.7%
    6Paraná (PR)
    62· 5.4%
    7Bahia (BA)
    55· 4.8%
    8Pará (PA)
    48· 4.2%
    9Pernambuco (PE)
    35· 3.1%
    10Ceará (CE)
    32· 2.8%

    Municipal concentration

    Cities with the highest concentration

    Top 10

    Top municipalities by active establishments.

    1SAO PAULO · SP
    108· 9.5%
    2RIO DE JANEIRO · RJ
    87· 7.6%
    3GOIANIA · GO
    45· 3.9%
    4BELO HORIZONTE · MG
    33· 2.9%
    5FORTALEZA · CE
    24· 2.1%
    6CURITIBA · PR
    23· 2.0%
    7BRASILIA · DF
    21· 1.8%
    8RECIFE · PE
    19· 1.7%
    9PORTO ALEGRE · RS
    19· 1.7%
    10SALVADOR · BA
    18· 1.6%

    Full distribution by state

    Active establishments of the CNAE in each federative unit.

    Acre (AC)10.1%
    Alagoas (AL)302.6%
    Amapá (AP)10.1%
    Amazonas (AM)161.4%
    Bahia (BA)554.8%
    Ceará (CE)322.8%
    Distrito Federal (DF)211.8%
    Espírito Santo (ES)242.1%
    Goiás (GO)766.7%
    Maranhão (MA)181.6%
    Mato Grosso (MT)131.1%
    Mato Grosso do Sul (MS)60.5%
    Minas Gerais (MG)14012.3%
    Pará (PA)484.2%
    Paraíba (PB)121.1%
    Paraná (PR)625.4%
    Pernambuco (PE)353.1%
    Piauí (PI)60.5%
    Rio de Janeiro (RJ)15913.9%
    Rio Grande do Norte (RN)40.4%
    Rio Grande do Sul (RS)847.4%
    Rondônia (RO)80.7%
    Roraima (RR)00.0%
    Santa Catarina (SC)272.4%
    São Paulo (SP)23920.9%
    Sergipe (SE)111.0%
    Tocantins (TO)131.1%

    CNAE business profile

    Distribution of active establishments by company size, tax regime, MEI and the relationship between headquarters and branches.

    Company size

    Microempresa
    675 (59.2%)
    Empresa de Pequeno Porte
    261 (22.9%)
    Média e Grande Empresa
    205 (18.0%)
    Sem informação
    0 (0.0%)

    Simples Nacional

    Optante pelo Simples Nacional
    515 (45.1%)
    Não optante pelo Simples Nacional
    179 (15.7%)
    Sem informação
    447 (39.2%)

    Individual Microentrepreneur

    Microempreendedor Individual
    0 (0.0%)
    Não classificado como MEI
    694 (60.8%)
    Sem informação
    447 (39.2%)

    Headquarters and branches

    Matriz
    1,037 (90.9%)
    Filial
    104 (9.1%)

    Contact coverage

    Os percentuais indicam a presença dos campos de contato na base de dados. Um campo ausente não significa necessariamente que a empresa não possua telefone ou e-mail.

    With email
    88.4%
    1,009 records
    With phone
    98.9%
    1,129 records
    With both
    88.3%
    1,008 records

    Registration dynamics

    Openings, closures and annual balance. The 2026 period is partial through August 09, 2026.

    YearOpeningsClosuresBalance
    2019754530
    2020783741
    2021844935
    2022873453
    2023694425
    2024963957
    2025864343
    2026 (partial)622537

    Company list by CNAE

    Find companies in Serviços de diagnóstico por registro gráfico - ECG, EEG e outros exames análogos

    Search company files of this CNAE by state, city and registration status. Find CNPJ, legal name, address, phone and email depending on base coverage.

    Search this CNAE's list
    Active establishments
    1,141
    States with records
    27+
    With phone
    98.9%
    With email
    88.4%

    Want to analyze another CNAE?

    Compare economic activities and find new markets for your research.

    View top CNAEs