Historical headcount API: Next-level company analysis
- Access hard-to-get data at scale
- Enrich your existing data
- Analyze location, industry, and more firmographic data fields
75M+ companies
Historical data since 2018
What is Historical headcount API?
This API is a powerful tool that delivers years of comprehensive historical data from millions of companies. It allows you to enrich company data via URL, calculate growth percentages, analyze headcount changes, and filter results by location, industry, and other firmographic data fields.
It's an invaluable resource for enhancing VC/PE due diligence, benchmarking, and discovering fast-growing or underrated companies.
Effortless data enrichment
To get historical data, use one of these identifiers: company profile URL slug or company ID. The easiest path is to get a URL of the company profile, insert it in your API query, and enrich the data this way. Alternatively, you could extract the company ID from our Company API and then use it as an identifier to get headcount data.
Extract unique insights to stay ahead of the game
Coresignal's historical data helps companies achieve their goals.
Company data enrichment
Empower your business intelligence with Historical headcount API. Enrich your company data at the click of a button, leveraging up to eight years of historical data from millions of companies. Our trustworthy, scalable data allows you to analyze headcount changes, calculate growth percentages, and gain unparalleled insight into the most underrated companies.
Enhanced due diligence process
Elevate your VC/PE due diligence with Historical headcount API. Use our database of millions of companies with years of historical data to analyze headcount changes, calculate growth rates, and enrich your understanding of potential investments. Make smarter, data-backed decisions to boost your investment intelligence.
Analyze company, industry, and location trends over time
Quantifying and predicting company growth can be a challenging task. With Coresignal's Historical headcount API, investors can easily see the historical growth trends of millions of companies worldwide.
Enriched with thorough firmographic information, you can use this dataset to analyze company, industry, and location trends over time to enhance analysis and back decisions with historical data.
Learn how your industry uses Historical headcount API
Discover fastest-growing companies
Shape your future as an investor with Historical headcount API. Our expansive database, featuring years of historical data from millions of companies, allows you to calculate growth rates effortlessly. Filter your search by location, industry, and other firmographic data fields to discover extraordinary companies.
Enhance your due diligence process
Elevate your VC/PE due diligence with Historical headcount API. Use our database with millions of companies and years of historical data to analyze headcount changes, calculate growth rates, and enrich your understanding of potential investments. Make smarter, data-backed decisions to boost your investment intelligence.
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Why 700+ companies choose Coresignal
Data at scale
Our large data coverage will cover all your data-related needs.
Stable service
We take care of all data collection issues. All you need to do is use it.
Convenient delivery
We deliver data in JSON and CSV formats. Choose what’s best for you.
Responsible data collection
We believe in ethical data collection, therefore you won’t have to worry about data compliance issues.
Dedicated account managers
Our dedicated account managers will always be there to help you navigate the data world.
Historical data
Years of historical data to help you anticipate company growth trends.
Frequently asked questions
What is historical headcount data?
Employee headcount is a total number of employees that are currently working in a company.
The historical headcount data is the number of employees that were working in the company over the past months and even years.
This historical employee data is valuable if you want to identify high growth companies or track companies that are enduring layoffs.
How to calculate headcount growth of a company?
Employee headcount growth is calculated by comparing how many employees were working in the company in different points of time.
Take the subtract the old value from the new value, divide the number by the old value, and multiply it by 100.
For example, if you have 15 employees working in the company in July, 2023, and 145 employees in July, 2024, your formula would be: ((145-15)/15 )*100. This company has experienced 867% headcount growth.
How to track company headcount changes?
If you want to track company headcount changes, you can find relevant information in company's annual reports, company website, social media, or job postings.
If you want to track company headcount change over the years, you will need to use a dataset that includes this information – one of the great sources for this is Coresignal.
What are the key use cases for historical headcount data?
Historical headcount data has many use cases:
- Due diligence for investors– generally, companies that rapidly layoff employees might have financial troubles, while steadily increasing employee headcount is a sign of a healthy growth.
- Talent acquisition – companies with decreasing headcount might have a lot of employees that are ready for their next challenge.
- Industry or competitor benchmarking – making sure your company is not lacking behind and investing enough in its workforce.