List of Companies Using Microsoft 365
Prospecting companies using Microsoft 365? Here they are, biggest first, including WSP, BT Group and ExxonMobil. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$40M
$10B+
73K
$4.9B
$10B+
73K
$10B+
73K
$10B+
73K
$728M
$1B - $10B
73K
$2.3B
$10B+
72K
$9.6B
$10B+
72K
$90M
$10B+
72K
$1.2B
$10B+
72K
$1.2B
$10B+
72K
$2.6B
$10B+
71K
$600M
$10B+
71K
$1B - $10B
70K
$10B+
70K
$583M
$10B+
70K
$10B+
70K
$20K
$10B+
70K
$3.9B
$10B+
70K
$1.2B
$10B+
69K
$330M
$10B+
69K
$59K
$1B - $10B
69K
$1.1B
$10B+
68K
$75M
$1B - $10B
68K
$1B - $10B
68K
$1.1B
$10B+
68K
$337M
$10B+
68K
$3B
$10B+
68K
$316M
$10B+
68K
$3.3B
$10B+
68K
$1B - $10B
68K
$1B - $10B
67K
$8.5B
$10B+
67K
$1B - $10B
67K
$1B
$1B - $10B
67K
$10M - $25M
67K
$10B+
67K
$3.5B
$10B+
67K
$1B - $10B
66K
$532M
$10B+
66K
$800M
$10B+
66K
$10B+
65K
$516M
$10B+
65K
$1B - $10B
65K
$4.2B
$10B+
65K
$10B+
64K
$5.3B
$10B+
64K
$6.4B
$10B+
64K
$5M
$10B+
64K
$10B+
64K
$250M - $500M
63K
$370M
$10B+
63K
$1B - $10B
63K
$2.5B
$10B+
62K
$22M
$10B+
62K
$9.1B
$10B+
62K
$1.2B
$10B+
62K
$121M
$10B+
62K
$10B+
61K
$250M - $500M
61K
$500M
$10B+
61K
$10B+
61K
$8.1B
$10B+
61K
$2.9B
$10B+
61K
$150M
$1B - $10B
61K
$1.6B
$10B+
61K
$8B
$10B+
60K
$500M - $1B
60K
$10B+
60K
$5.5B
$10B+
60K
$23B
$10B+
60K
$2.3B
$10B+
60K
$1B - $10B
60K
$1.4B
$1B - $10B
60K
$10B+
60K
$10B+
59K
$7.4B
$10B+
59K
$3M
$10B+
59K
$10B+
59K
$469M
$10B+
58K
$10B+
58K
$10B+
58K
$6.5B
$10B+
58K
$7.1B
$10B+
57K
$1.6M
$1B - $10B
57K
$1.1B
$10B+
57K
$157M
$1B - $10B
57K
$1B - $10B
57K
$12B
$10B+
57K
$500M
$10B+
57K
$225M
$10B+
57K
$1.7B
$10B+
57K
$2B
$10B+
57K
$600K
$10B+
57K
$10B+
57K
$1.2B
$1B - $10B
57K
$500M - $1B
57K
$10B+
56K
$10B+
56K
$2.2B
$10B+
56K
$142M
$10B+
56K
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 WSP, BT Group and ExxonMobil.
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
Top companies in United States by employee countTop companies in United Kingdom by employee countTop companies in Canada by employee countTop companies in Germany by employee countTop companies in France by employee countTop companies in Australia by employee countTop companies in Netherlands by employee countTop companies in India by employee countTop companies in Spain by employee countTop companies in Switzerland by employee countTop companies in Sweden by employee countTop companies in Italy by employee countTop companies in Denmark by employee countTop companies in Brazil by employee countTop companies in Ireland by employee count
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