List of Companies Using Microsoft 365
Prospecting companies using Microsoft 365? Here they are, biggest first, including The Help Group, UNITE HERE and Ultramar. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$500M - $1B
581
$25M - $50M
581
$1B - $10B
581
$1B - $10B
581
$250M - $500M
581
$4.5B
$250M - $500M
581
$250M - $500M
580
$500M - $1B
580
$1B - $10B
580
$50M - $100M
580
$25M - $50M
580
$10M - $25M
580
$10M - $25M
580
$250M - $500M
580
$250M - $500M
580
<$1M
580
$50M - $100M
580
$1B - $10B
580
$500M - $1B
580
$250M - $500M
580
$50M - $100M
580
$10M - $25M
580
$250M - $500M
580
$50M - $100M
580
$100M - $250M
580
$100M - $250M
580
$50M
$100M - $250M
580
$25M - $50M
580
$10M - $25M
580
<$1M
580
$250M - $500M
580
$25M - $50M
580
$250M - $500M
580
$1B - $10B
580
$562M
$100M - $250M
580
$250M - $500M
580
$50M - $100M
580
$1B - $10B
580
$1M - $10M
580
$235M
$250M - $500M
580
$50M - $100M
580
$250M - $500M
580
$80M
$250M - $500M
580
$100M - $250M
580
$50M - $100M
580
$1M - $10M
580
$1B - $10B
580
$10M - $25M
580
$22M
$1M - $10M
579
$73M
$250M - $500M
579
$1.3B
$250M - $500M
579
$100M - $250M
579
$1B - $10B
579
$100M - $250M
579
$10M - $25M
579
$100M - $250M
579
$25M - $50M
579
$100M - $250M
579
$250M - $500M
579
$1M - $10M
579
$1M - $10M
579
$500M - $1B
579
$250M - $500M
579
$250M - $500M
579
$1M - $10M
579
$100M - $250M
579
$250M - $500M
579
$250M - $500M
579
$250M - $500M
579
$250M - $500M
579
$50M - $100M
579
$383M
$50M - $100M
579
$500M - $1B
579
$25M - $50M
579
$250M - $500M
579
$25M - $50M
579
$250M - $500M
579
$1B - $10B
579
$250M - $500M
579
$100M - $250M
579
$100M - $250M
579
$25M - $50M
579
$25M - $50M
579
$1M - $10M
579
$25M - $50M
579
$50M - $100M
579
$25M - $50M
579
$50M - $100M
579
$500M - $1B
579
$100M - $250M
579
$17M
$500M - $1B
579
$100M - $250M
579
$250M - $500M
578
$250M - $500M
578
$10M - $25M
578
$17M
$10M - $25M
578
$200M
$250M - $500M
578
$100M - $250M
578
$175M
$100M - $250M
578
$250M - $500M
578
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 The Help Group, UNITE HERE and Ultramar.
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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