Semafor

semafor.com

online media

semafor.com

Southampton, England, United Kingdom

51-200 employees

10000000 revenue

LinkedIn Profile

About Semafor

internet news, cross-border stories, social media, media trust rebuilding, international news analysis, news platform, newsroom innovation, transparency, b2c, digital media trust, news newsletters, multilingual content, international perspectives, email newsletters, media transparency, semaform structure, news events, multi-perspective reporting, global policy coverage, distilled views

Semafor's Tech Stack

Decision Makers at Semafor

1 contact

Mark Wilkie

Head of Engineering

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35 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

WordPress as a CMS signals a content-driven or SMB digital presence. SEO tools, hosting solutions, and page-builder plugins are natural fits for outreach.

Semafor's Position in the StackWho Database

• Semafor is 1 of 4,163 online media companies tracked in StackWho.
• 4,156 online media companies in our database have verified decision-maker emails (100% of the cohort).
• 47,721 companies in England are in the StackWho database.
• 183 online media companies are in the 51-200 employee range (same size as Semafor).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does Semafor use?

Semafor uses Fastly CDN, Gmail, Google Apps, Microsoft Office 365, Sage Intacct, Atlassian Cloud, and 29 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Semafor?

StackWho has verified email addresses for 1 decision maker at Semafor. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Semafor directly for sales, recruiting, or partnerships.

What industry is Semafor in?

Semafor operates in the online media industry, headquartered in Southampton, England, United Kingdom. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Semafor's contact data?

Yes. StackWho Pro members can export decision maker contact data for Semafor and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.