List of Companies Using Microsoft 365
Prospecting companies using Microsoft 365? Here they are, biggest first, including HSL, Heartland Business Systems and Hightower Advisors. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1B - $10B
664
$500M - $1B
664
$500M - $1B
664
$1M - $10M
664
$25M - $50M
664
$1M - $10M
664
$4.8M
$50M - $100M
664
$500M - $1B
664
$250M - $500M
664
$500M - $1B
664
$10M - $25M
664
$25M - $50M
664
$10M - $25M
664
$100M - $250M
664
$500M - $1B
664
$100M - $250M
664
$50M - $100M
663
$1B - $10B
663
$1.3B
$50M - $100M
663
$10M - $25M
663
$1M - $10M
663
$250M - $500M
663
$250M - $500M
663
$1B - $10B
663
$5.5M
$25M - $50M
663
$1B - $10B
663
$50M - $100M
663
$219K
$25M - $50M
663
$10M - $25M
663
$10M - $25M
663
$500M - $1B
663
$100M - $250M
663
$10M - $25M
663
$1B - $10B
663
$50M - $100M
663
$417M
$50M - $100M
663
$10M - $25M
663
$500M - $1B
663
$500M - $1B
663
$593M
$25M - $50M
663
$8K
$25M - $50M
663
$1B - $10B
663
$25M - $50M
663
$500M - $1B
663
$25M - $50M
663
$25M - $50M
663
$1B - $10B
662
$1M - $10M
662
$10M - $25M
662
$100M - $250M
662
$25M - $50M
662
$100M - $250M
662
$1B - $10B
662
$250M - $500M
662
$100M - $250M
662
$100M - $250M
662
$271M
$250M - $500M
662
$25M - $50M
662
$250M - $500M
662
$250M - $500M
662
$50M - $100M
662
$25M - $50M
662
$1M - $10M
662
$100M - $250M
662
$250M - $500M
662
$500M - $1B
662
$50M - $100M
662
$500M - $1B
662
$100M - $250M
662
$4.7B
$250M - $500M
662
$500M - $1B
662
$1M - $10M
662
$25M - $50M
662
$50M - $100M
662
$2.3M
$25M - $50M
662
$1M - $10M
662
$10B+
662
$100M - $250M
662
$500M - $1B
662
$145M
$50M - $100M
661
$50M - $100M
661
$1B - $10B
661
$61K
$10M - $25M
661
$100M - $250M
661
$10M - $25M
661
$1M - $10M
661
$25M - $50M
661
$25M - $50M
661
$25M - $50M
661
$25M - $50M
661
$500M - $1B
661
$50M - $100M
661
$250M - $500M
661
$250M - $500M
661
$1.3M
$25M - $50M
661
$50M - $100M
661
$50M - $100M
661
$1M - $10M
661
$250M - $500M
661
$100M
$500M - $1B
661
About companies using Microsoft 365
Why target companies using Microsoft 365?
Microsoft 365 is a Collaboration & productivity technology. The office suite, chat and project tools a company standardizes on decide which integrations and add-ons fit. Companies on the list include HSL, Heartland Business Systems and Hightower Advisors.
Which industries use Microsoft 365 the most?
Among companies using Microsoft 365 on LeadIQ, the most common industries are Construction, IT Services and IT Consulting, Financial Services, Hospitals and Health Care, Real Estate and Software Development. Narrow your list to the industry you sell into from there.
Where are companies using Microsoft 365 located?
Companies using Microsoft 365 are most often headquartered in the United States, the United Kingdom, Canada, Germany, Australia and France.
What other Collaboration & productivity technologies do companies use?
Prospecting the wider Collaboration & productivity space? Related technologies with their own company lists include Google Workspace, Microsoft SharePoint, Microsoft Teams and Atlassian Jira.
How do I reach decision makers at companies using Microsoft 365?
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.
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