H4

hfour.com

information technology & services

hfour.com

London, England, United Kingdom

51-200 employees

2300000 revenue

LinkedIn Profile

About H4

it services & it consulting, information technology & services

H4's Tech Stack

Other

Data Analytics

AI/ML

2 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

H4 is a technology company. Software vendors, dev tools, and SaaS platforms find technology companies like this highly receptive. Use StackWho to identify the right decision-maker (CTO, VP Eng, or Head of Product) and reach out with a stack-specific pitch.

H4's Position in the StackWho Database

• H4 is 1 of 194,140 information technology & services companies tracked in StackWho.
• 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
• 47,721 companies in England are in the StackWho database.
• 13,765 information technology & services companies are in the 51-200 employee range (same size as H4).

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

Frequently Asked Questions

What technology does H4 use?

H4 uses Data Analytics, AI. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at H4?

StackWho has verified email addresses for 1 decision maker at H4. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach H4 directly for sales, recruiting, or partnerships.

What industry is H4 in?

H4 operates in the information technology & services industry, headquartered in London, England, United Kingdom. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export H4's contact data?

Yes. StackWho Pro members can export decision maker contact data for H4 and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.