CTData Collaborative
CTData Collaborative provides data and data support so that nonprofits, state agencies, businesses, and the public can make decisions and work toward equity. They have data on many topics, including businesses and the economy, demographics, education, and health and healthcare.
They also have historic business data for Connecticut. They partnered with the Secretary of the State to provide a variety of data sets that have never previously been available. This includes including business search and business formations (starts and stops) back to the 1980s.