How much funding has Red Sift raised?

Red Sift has raised $64.84M in total. Its most recent round was a Series B in February 2022.

How many people work at Red Sift?

About 102, up 1% over the last 30 days.

Who are Red Sift's competitors?

Egress, MX Layer, and Barracuda Networks, Inc. are among the closest in Email & Messaging Security. The full competitive set, with overlap scoring, is in the platform.

Red Sift

Email & Messaging SecurityLondon, United Kingdomfounded 2015private

Red Sift is a cybersecurity company specializing in Email & Messaging Security, founded in 2015 and headquartered in London, United Kingdom. It has raised $64.84M in total funding, employs about 102 people, and is privately held.

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updated Aug 22, 2026

The record

What Red Sift did, dated.

Jul 2026Product launchRed Sift launches new email defense integrations for Claude and ChatGPT
Jan 2026RecognitionRed Sift OnDMARC tops G2's Winter Rankings
Sep 2025PartnershipRed Sift now offered through GuidePoint Security in new partnership
Aug 2025PartnershipGradian partners with Red Sift for email security solution

Momentum

30 out of 100.

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Products

What Red Sift sells.

In the platform

The other 440 data points.

Funding historyevery round, every lead investor
Headcount growthvelocity, departments, seniority
Open jobslive postings, hiring pace, role mix
Tech stackframeworks, clouds, security

Similar in Email & Messaging Security

FAQ

Common questions about Red Sift.

How much funding has Red Sift raised?: Red Sift has raised $64.84M in total. Its most recent round was a Series B in February 2022.
How many people work at Red Sift?: About 102, up 1% over the last 30 days.
Who are Red Sift's competitors?: Egress, MX Layer, and Barracuda Networks, Inc. are among the closest in Email & Messaging Security. The full competitive set, with overlap scoring, is in the platform.