Heysid Company Profile

About us · Website: https://www.heysid.com · Industry: Marketing Services · Company size: 11-50 employees · Headquarters: Inom Vallgraven, Västra Götaland County.

Industry: MarTech

Segment: MarTech Vendor

Team size: 11-50

Location: Inom Vallgraven, Västra Götaland County

Competitors: Hey Sid, Demandbase, Apollo.io

Generated by Kustiq, an AI company intelligence platform for B2B teams. Multi-stage pipeline: AI classification + live web scraping + SMTP-verified contacts + 12-factor rule-based churn engine.

Company profile

Heysid

About us · Website: https://www.heysid.com · Industry: Marketing Services · Company size: 11-50 employees · Headquarters: Inom Vallgraven, Västra Götaland County.
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About us · Website: https://www.heysid.com · Industry: Marketing Services · Company size: 11-50 employees · Headquarters: Inom Vallgraven, Västra Götaland County.

Founded

2024

Employees

11-50

Location

Inom Vallgraven, Västra Götaland County

AI Classification

MarTechMarTech Vendor

Hey Sid is a Person-Based Marketing (PBM) platform and full-service agency founded in 2024, serving mid-sized B2B companies across Europe with account-based marketing via automated LinkedIn, Meta, and display advertising, personalized outreach, and LinkedIn authority building. Their three-pillar platform (Always On, Precision Connect, Authority Builder) targets decision-makers across long B2B sales cycles without requiring clients to add headcount.

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Social Links

Competitors

Hey SidDemandbaseApollo.io

Heysid is profiled by Kustiq, an AI company intelligence platform for B2B teams. Heysid is one of 219 martech vendor companies in our MarTech directory. Similar profiles include Resend · Email for developers, Complianceexperts, Bettermode, and Cloud-based data analytics exploration for all.

How Kustiq built this profile

Hybrid pipeline: deterministic verification + Claude reasoning

  • Live web rendering via Browserless headless Chrome, not a stale cached scrape.
  • Search intelligence via Serper API across {company site, LinkedIn, press, GitHub}.
  • Claude Sonnet 4.6 classifies vertical, segment, and growth signals; never used for facts.
  • 12-factor churn engine produces a deterministic risk score with zero LLM calls at scoring time.
  • SMTP RCPT TO handshake verifies every contact at delivery time on full profiles (paid plan).

Read the full methodology in our LLM-readable reference or compare against the deterministic-vs-AI framework.

Part of 3,020 AI-profiled B2B companies. Browse the full directory