def company_data_converison(dataframe):
    """

    Arguments
        dataframe (Pandas DF): scraped job data
    Returns:
        job_frequency_dataframe (Object): dataframe of most frequent companies posting for job listing.

    """

    # dropna handles any weird edges cases in the data that is "Null, NaN, or None"
    job_frequency_dataframe = dataframe['Company'].value_counts(dropna=False)

    return job_frequency_dataframe