Prospecting in the United Kingdom? Here are the companies based there, biggest first, including EY, PwC and NHS. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Companies in the United Kingdom of every size, from enterprises to startups, sorted by headcount so the biggest accounts come first. Companies on the list include EY, PwC and NHS. Every company profile gives you revenue range, headcount, headquarters, tech stack and an employee directory with verified emails and phone numbers.
Among companies in the United Kingdom on LeadIQ, the most common industries are IT Services and IT Consulting, Financial Services, Software Development, Non-profit Organizations, Advertising Services and Retail. Narrow your list to the industry you sell into from there.
The tools most often found in the tech stacks of companies in the United Kingdom include WordPress, Microsoft 365, Amazon Web Services, iCIMS, Hotjar and Shopify. Useful if you integrate with, complement or compete with one of them.
Open a company to see its employee directory and email format, then use LeadIQ to get verified work emails and phone numbers for the people you want to reach and push them straight to your CRM or sequencer.
Insights based on LeadIQ data refreshed in September 2026.