List of Companies Using Microsoft 365
Prospecting companies using Microsoft 365? Here they are, biggest first, including Siegel+Gale, Siepe and Sierra Vista Child & Family Services. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$100M - $250M
174
$30M
$50M - $100M
174
$10M - $25M
174
$1M - $10M
174
$100M - $250M
174
$100M - $250M
174
$10M - $25M
174
$10M - $25M
174
$50M - $100M
174
$1M - $10M
174
$100M - $250M
174
$25M - $50M
174
$50M - $100M
174
$100M - $250M
174
$50M - $100M
174
$1M - $10M
174
$25M - $50M
174
$1M - $10M
174
$10M - $25M
174
$50M - $100M
174
$1M - $10M
174
$25M - $50M
174
$100M - $250M
174
<$1M
174
$1M - $10M
174
$250M - $500M
174
$1M - $10M
174
$50M - $100M
174
$1M - $10M
174
$50M - $100M
174
$50M - $100M
174
$500M - $1B
174
$25M - $50M
174
$337M
$1M - $10M
174
$100M - $250M
174
$1M - $10M
174
$50M - $100M
174
$1M - $10M
174
$50M - $100M
174
$50M - $100M
174
$25M - $50M
174
$1M - $10M
174
$50M - $100M
174
$10M - $25M
174
$1M - $10M
174
$50M - $100M
174
$250M - $500M
174
$100M - $250M
174
$100M - $250M
174
$25M - $50M
174
$25M - $50M
174
$10M - $25M
174
$50M - $100M
174
$1M - $10M
174
$56M
$100M - $250M
174
$100M - $250M
174
$1M - $10M
174
$50M - $100M
174
$25M - $50M
174
$12M
$50M - $100M
174
$50M - $100M
174
$74M
$1M - $10M
174
$50M - $100M
174
$87M
$10M - $25M
174
$1M - $10M
173
$100M - $250M
173
$100M - $250M
173
$25M - $50M
173
$25M - $50M
173
$1M - $10M
173
$250M - $500M
173
$50M - $100M
173
$100M - $250M
173
$10M - $25M
173
$100M - $250M
173
$10M - $25M
173
$25M - $50M
173
$25M - $50M
173
$25M - $50M
173
$50M - $100M
173
$250M - $500M
173
$50M - $100M
173
$10M - $25M
173
$1M - $10M
173
$25M - $50M
173
$1M - $10M
173
$25M - $50M
173
$25M - $50M
173
$1B - $10B
173
$25M - $50M
173
$102M
$1M - $10M
173
$100M - $250M
173
$25M - $50M
173
$100M - $250M
173
$4.7M
$100M - $250M
173
$50M - $100M
173
$100M - $250M
173
$10M - $25M
173
$50M - $100M
173
$10M - $25M
173
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 Siegel+Gale, Siepe and Sierra Vista Child & Family Services.
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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