DirectoryCRM & Sales
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Datasigma

We index the open web, not LinkedIn — 2 in 3 of our contacts exist on no other platform. 101M+ contacts and direct dials, each with a source URL.

Visit Datasigmadatasigma.io
Datasigma screenshot, image 1

Overview

B2B contact data indexed from the open web — 101M+ contacts and direct dials, ~64% on no other prospecting platform. Every record links to its source.

AI summary

Datasigma is a tool designed to index B2B contact data from publicly accessible sources on the web, providing access to over 101 million contacts with verified business emails and direct dials. Each contact record includes a link to its source, allowing users to explore potential customers beyond traditional platforms like LinkedIn.

Sources behind this listingSee source links, recorded dates and owner corrections.

Observed facts come from public pages. Founder-edited facts are supplied by the verified owner. AI-inferred facts are model interpretations; derived facts are calculated from other data. A source link lets you check the current page. It does not guarantee the fact is still current.

Dates show when a record was saved. Some older records use the listing’s update date; they are not proof of a fresh check. Missing source records are shown explicitly.

TaglineWe index the open web, not LinkedIn — 2 in 3 of our contacts exist on no other platform. 101M+ contacts and direct dials, each with a source URL.
Source not recordedDate not recordedSource link unavailable
DescriptionB2B contact data indexed from the open web — 101M+ contacts and direct dials, ~64% on no other prospecting platform. Every record links to its source.
Source not recordedDate not recordedSource link unavailable
Free planNot stated
Source not recordedDate not recordedSource link unavailable
Free trialNot stated
Source not recordedDate not recordedSource link unavailable
SummaryDatasigma is a tool designed to index B2B contact data from publicly accessible sources on the web, providing access to over 101 million contacts with verified business emails a...
AI-inferredRecorded Source link unavailable

Who Is It For

Best for

Businesses looking to expand their outreach efforts by discovering new contacts from small and medium-sized enterprises that may not be listed on conventional prospecting platforms.

–Not for

Companies that primarily rely on LinkedIn or other established prospecting platforms for their lead generation.

Strengths & Weaknesses

Biggest strength

The ability to access a vast database of contacts (over 101 million) sourced from various public domains, which may reveal potential leads that are not available on other platforms.

Classification

Likely competitors
ZoomInfoHunter.ioClearbit

Alternatives to Datasigma

See all alternatives to Datasigma

Community

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How we sourced this: Observed fields () were crawled from https://datasigma.io/ when recorded. Source links and dates are available above. AI-inferred fields () were generated by gpt-4o-mini and are always labelled, never presented as measured fact. Last updated: 1 October 2026. Site availability checked: 1 October 2026. Is this your tool? Claim it to edit and get a do-follow badge.