List of Companies Using Microsoft 365
Prospecting companies using Microsoft 365? Here they are, biggest first, including ResQ, TekWissen ® and TownePlace Suites by Marriott. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$10M - $25M
749
$250M - $500M
749
$500M - $1B
749
$500M - $1B
749
$25M - $50M
749
$1M - $10M
749
$500M - $1B
748
$500M - $1B
748
$25M - $50M
748
$10M - $25M
748
$100M - $250M
748
$57M
$10M - $25M
748
$500M - $1B
748
$1B - $10B
748
$25M - $50M
748
$100M - $250M
748
$10M - $25M
748
$10M - $25M
748
$24M
$1B - $10B
748
$25M - $50M
748
$500M - $1B
748
$500M - $1B
748
$1B - $10B
748
$250M - $500M
748
$50M - $100M
748
$250M
$10B+
748
$1B - $10B
748
$10M - $25M
748
$1M - $10M
748
$25M - $50M
748
$250M - $500M
748
$250M - $500M
748
$25M - $50M
748
$500M - $1B
747
$250M - $500M
747
$500M - $1B
747
$500M - $1B
747
$1B - $10B
747
$9.2M
$10M - $25M
747
$1B - $10B
747
$1B - $10B
747
$500M - $1B
747
$100M - $250M
747
$1B - $10B
747
$250M - $500M
747
$250M
$250M - $500M
747
$100M - $250M
747
$126M
$250M - $500M
747
$10M - $25M
747
$25M - $50M
747
$25M - $50M
747
$16M
$1B - $10B
747
$250M - $500M
747
$50M - $100M
747
$100M - $250M
747
$500M - $1B
747
$25M - $50M
747
$50M - $100M
746
$100M - $250M
746
$250M - $500M
746
$500M - $1B
746
$250M - $500M
746
$100M - $250M
746
$500M - $1B
746
$250M - $500M
746
$100M - $250M
746
$10M - $25M
746
$250M - $500M
746
$100M - $250M
746
$1M - $10M
746
$500M - $1B
746
$250M - $500M
746
$1M - $10M
746
$250M - $500M
746
$250M - $500M
746
$100M - $250M
746
$500M - $1B
746
$500M - $1B
746
$10M - $25M
746
$470M
$100M - $250M
746
$50M - $100M
746
$775K
$500M - $1B
746
$250M - $500M
746
$100M - $250M
746
$50M - $100M
746
$50M - $100M
746
$25M - $50M
746
$250M - $500M
746
$1M - $10M
746
$100M - $250M
746
<$1M
746
$100M - $250M
746
$25M - $50M
746
$10M - $25M
746
$25M - $50M
745
$250M - $500M
745
$1B - $10B
745
$500M - $1B
745
$250M - $500M
745
$500M - $1B
745
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 ResQ, TekWissen ® and TownePlace Suites by Marriott.
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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