S⁴Capital
Agent40Agent Readiness: 40/100. Below median. Measured by StartupHub.ai. Median 41.Trust89Data Trust: 89/100. Top 25%. Measured by StartupHub.ai. Median 61.A tech-led digital advertising, marketing, and technology services company.
About
S4Capital is a digital advertising, marketing, and technology services company established by Sir Martin Sorrell in May 2018. It operates in the fastest-growing segment of the market, offering a purely digital, always-on approach that integrates content, data & digital media, and technology services for global clients. The company has a unitary brand, Monks, and focuses on faster, better, and more efficient executions.
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Key facts
- Website
- s4capital.com
- Headquarters
- London, United Kingdom
- Founded
- 2015
- Employees
- 73
- Total funding
- $1M (Seed)
- Business model
- B2B
Funding rounds
| Date | Round | Amount | Lead investors |
|---|---|---|---|
| 1 Dec 2015 | Seed | $1M |
Tech stack
Detected on s4capital.com, last scanned 5 Nov 2026. Run your own scan
- Analytics
- Google Tag Manager
- Support
- HubSpot
- CDN
- AWS CloudFront
- Email provider
- Microsoft 365
- Cookie consent
- OneTrust
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Frequently asked
Is S⁴Capital trustworthy and reputable?
StartupHub's Data Trust & Reputation score for S⁴Capital is 89 out of 100, a trusted rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How much funding has S⁴Capital raised?
S⁴Capital has raised a total of $1M in funding. The most recent round on record is Seed.
How many employees does S⁴Capital have?
S⁴Capital has approximately 73 people on record.
SEC filings, insider activity, nonprofit links and pay benchmarks for S⁴Capital:
Company details: from public sources. Funding: no announced round on file. Ownership: not yet claimed by the company. Scores: measured by named tools; each links to its method. Our rules
