List Marketeer currently sources its raw data from 17 sources.

They include news, corporate research firms, publishers, social media, industry associations, niche B2B directories, stock exchanges, government registers, specialist subscriber databases, web tools, search engines, trade show delegate and sponsorship lists, crowd-sourced data platforms and corporate advertising.

Some of the data from these sources is publicly available. Most, however, is accessed through commercial partnership arrangements.

Though our primary sources are high-quality, List Marketeer takes a conservative approach in assuming they are inaccurate or out-of-date.

So begins a complex process of indexing and cross-referencing of sources so that a reliable dataset begins to emerge.

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