List of Companies Using Microsoft 365
Prospecting companies using Microsoft 365? Here they are, biggest first, including CW, Cirium and Citynet. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$500M - $1B
401
$250M - $500M
401
$500M - $1B
401
$100M - $250M
401
$500M - $1B
401
$50M - $100M
401
$294M
$25M - $50M
401
$50M - $100M
401
$100M - $250M
401
$100M - $250M
401
$500M - $1B
401
$100M - $250M
401
$597M
$250M - $500M
401
$25M - $50M
401
$1B - $10B
401
$100M - $250M
401
$10M - $25M
401
$10M - $25M
401
$500M - $1B
401
$18M
$25M - $50M
401
$25M - $50M
401
$100M - $250M
401
$500M - $1B
401
$1M - $10M
401
$250M - $500M
401
$25M - $50M
401
$10M - $25M
401
$500M - $1B
401
$50M - $100M
401
$50M - $100M
401
$1B - $10B
401
$500M - $1B
401
$250M - $500M
401
$1M - $10M
401
$250M - $500M
401
$100M - $250M
401
$250M - $500M
401
$100M - $250M
401
$100M - $250M
401
$500M - $1B
401
$100M - $250M
401
$100M - $250M
401
$10M - $25M
401
$50M - $100M
401
$50M - $100M
401
$100M - $250M
401
$100M - $250M
401
$100M - $250M
401
$25M - $50M
401
$25M - $50M
401
$1M - $10M
401
$100M - $250M
401
$1M - $10M
401
$50M - $100M
401
$10M - $25M
400
$50M - $100M
400
$1B - $10B
400
$250M - $500M
400
$250M - $500M
400
$100M - $250M
400
$100M - $250M
400
$389M
$100M - $250M
400
$1M - $10M
400
$50M - $100M
400
$61M
$50M - $100M
400
$250M - $500M
400
$100M - $250M
400
$250M - $500M
400
$100M - $250M
400
$100M - $250M
400
$500M - $1B
400
$100M - $250M
400
$50M - $100M
400
$50M - $100M
400
<$1M
400
$1.2M
$100M - $250M
400
$50M - $100M
400
<$1M
400
$296K
$50M - $100M
400
$100M - $250M
400
$50M - $100M
400
$65M
$25M - $50M
400
$50M - $100M
400
$50M - $100M
400
$100M - $250M
400
$25M - $50M
400
$50M - $100M
400
$1M - $10M
400
$50M - $100M
400
$10M - $25M
400
$10M - $25M
400
$100M - $250M
400
$250M - $500M
400
$100M - $250M
400
$10M - $25M
400
$25M - $50M
400
$1B - $10B
400
$500M - $1B
400
$100M - $250M
400
$100M - $250M
400
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 CW, Cirium and Citynet.
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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