List of Companies Using Microsoft 365
Prospecting companies using Microsoft 365? Here they are, biggest first, including GB Railfreight, GOPA and GÉANT. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$50M - $100M
672
$100M - $250M
672
$50M - $100M
672
$500M - $1B
672
$1M - $10M
672
$36M
$100M - $250M
672
$250K
$50M - $100M
672
$1M - $10M
672
$10M - $25M
672
$1B - $10B
672
$17M
$10M - $25M
672
$100M - $250M
672
$7.7M
$500M - $1B
672
$500M - $1B
672
$100M - $250M
672
$131M
$10M - $25M
672
$1B - $10B
672
<$1M
672
$44M
$500M - $1B
672
$25M - $50M
671
$100M - $250M
671
$100M - $250M
671
$25M - $50M
671
$250M - $500M
671
$1B - $10B
671
$500M - $1B
671
$100M - $250M
671
<$1M
671
$100M - $250M
671
$268M
$500M - $1B
671
$25M - $50M
671
$1M - $10M
671
$500M - $1B
671
$219K
$25M - $50M
671
$25M - $50M
671
$715M
$1B - $10B
671
$1B - $10B
671
$100M - $250M
671
$1B - $10B
671
$50M - $100M
671
$250M - $500M
671
$250M - $500M
671
$100M - $250M
671
$50M - $100M
671
$50M - $100M
671
$460M
$250M - $500M
671
$25M - $50M
671
$100M - $250M
671
$25M - $50M
671
$250M - $500M
671
$43K
$100M - $250M
671
$10M - $25M
671
$25M - $50M
671
$100M - $250M
671
$250M - $500M
671
$1B - $10B
670
$500M - $1B
670
$1M - $10M
670
$25M - $50M
670
$100M - $250M
670
$25M - $50M
670
$500M - $1B
670
$500M - $1B
670
$50M - $100M
670
$500M - $1B
670
$1.1B
$50M - $100M
670
$500M - $1B
670
$10M - $25M
670
$250M - $500M
670
$25M - $50M
670
$50M - $100M
670
$1.3M
$25M - $50M
670
$70K
<$1M
670
$417M
$1B - $10B
670
$100M - $250M
670
$100M - $250M
670
$23M
$50M - $100M
670
$10B+
670
$119M
$250M - $500M
670
$50M - $100M
670
$100M - $250M
670
$500M - $1B
670
$329M
$500M - $1B
670
$13M
$25M - $50M
670
$1B - $10B
669
$50M - $100M
669
$500M - $1B
669
$50M - $100M
669
$10M - $25M
669
$100M - $250M
669
$1B - $10B
669
$50M - $100M
669
$10M - $25M
669
$271M
$250M - $500M
669
$10M - $25M
669
$500M - $1B
669
$250M - $500M
669
$250M - $500M
669
$25M - $50M
669
$1M - $10M
669
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 GB Railfreight, GOPA and GÉANT.
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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Top companies by employee count
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