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Technologies / Microsoft 365 / Office 365

Companies using Microsoft 365 and Office 365

22 companies in our data have public evidence for both Microsoft 365 and Office 365. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

22companies use both
1%of Microsoft 365 users
45%of Office 365 users
0name both as subprocessors

Companies using one are 2.8 times as likely as the average company in our data to show evidence of the other.

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanyMicrosoft 365Office 365
American Tradeshowamerican-tradeshow.comAmerican Tradeshow Services provides event technology including registration, attendance tracking, badging, and lead retrieval.
Assembly Softwareassemblysoftware.comAssembly Software provides Neos, a case management software for personal injury law firms that covers intake through settlement.Legal
Brainsuitebrainsuite.aiBrainsuite provides AI apps that test and evaluate marketing creative assets against neuroscience-backed effectiveness drivers.AI and machine learningMarketing
Cavellcavell.aiCavell is an AI assistant that listens in during consultations and takes over administrative work such as medical reporting.AI and machine learningHealthcare
Cialfocialfo.coCialfo is an AI-powered university guidance platform that helps students build profiles, explore careers, discover universities, and submit applications directly.Education
CloudCovercloudcover.itCloudCover provides third-party hardware maintenance and support for servers, storage, and networking equipment from major OEM manufacturers, along with a software platform for managing maintenance contracts and assets.Consulting and services
CloudResearchcloudresearch.comCloudResearch provides a platform for participant recruitment, AI-powered survey design, and fraud detection in online research.Data and analytics
CoinCovercoincover.comCoinCover provides protection and recovery services for digital assets, including products for lost access and cyber threats.Crypto and blockchainCybersecurity
Cyrismacyrisma.comCyrisma provides a unified cyber risk and compliance platform that combines vulnerability management, attack surface monitoring, data discovery, secure baseline configuration, and compliance tracking.Compliance and riskCybersecurity
DoseSpotdosespot.comHealthcare
Hoornwijck Groephoornwijckgroep.nlHoornwijck Groep B.V.Consulting and services
illuminillumin.comillumin provides a demand side platform that combines digital advertising tools with insights and support.Marketing
INXMinxm.ai
Lanternlanternstudios.comLantern is a data and AI consulting firm that helps organizations adopt and use AI on the Microsoft platform.AI and machine learningConsulting and services
Lumellumel.comLumel provides planning, analytics, and data management software built on Microsoft Fabric, including budgeting, forecasting, reporting, and no-code data apps.Data and analytics
Maestro Labsmaestrolabs.comMaestro Labs makes AI assistants that draft and manage email in Outlook and Gmail and take notes in Teams, Meets and Zoom.AI and machine learningProductivity and collaboration
mattrmattr.globalMATTR provides digital credential solutions for issuing, holding, and verifying credentials.Identity and access
Openmarketsopenmarkets.com.auOpenmarkets provides trading and wealth management infrastructure, including brokerage, enterprise APIs, managed accounts and risk management, to fintechs, advice professionals and professional traders.Fintech
Pamoja Educationpamojaeducation.comPamoja provides IB-approved online courses for schools and students.Education
Qritiveqritive.comQritive offers AI-powered modules that support pathologists in identifying, grading, and classifying cancer.AI and machine learningHealthcare
Sendmarcsendmarc.comSendmarc provides a platform for managing DMARC, SPF, and DKIM email authentication across domains.Cybersecurity
ShipBobshipbob.comShipBob is an end-to-end fulfillment provider that handles inventory distribution, order picking, packing, shipping, and returns for ecommerce brands.E-commerceLogistics and supply chain

The two technologies

Microsoft 365

by Microsoft · Productivity

Microsoft 365 is a plan that includes productivity apps with Copilot, advanced AI features and cloud storage. It is used for productivity and AI-assisted work.

Summarized from microsoft.com on 8 Nov 2026.

1% of the 3,818 companies we see using Microsoft 365 also show the other.

All 3,818 companies using Microsoft 365120 name it as a subprocessorMore in Productivity

Office 365

Productivity

45% of the 49 companies we see using Office 365 also show the other.

All 49 companies using Office 36546 name it as a subprocessorMore in Productivity

Industries

Among the companies above, by our own classification of their homepage.

AI and machine learning5Healthcare3Consulting and services3Cybersecurity3Marketing2Education2Data and analytics2Fintech2

Other pairs

Companies with their own evidence for both.

More with Microsoft 365

Cloudflare3,828companiesGoogle Tag Manager1,888companiesGoogle Analytics1,310companiesWordPress1,226companiesHubSpot838companiesAmazon Web Services707companies

More with Office 365

Cloudflare49companiesAmazon Web Services32companiesGoogle Tag Manager29companiesHubSpot28companiesMicrosoft Azure27companiesSlack22companies

Questions

How many companies use both Microsoft 365 and Office 365?

22 companies in StrataDB's data have public evidence for both. Our coverage is partial, so the real number is higher.

Which companies use Microsoft 365 and Office 365?

American Tradeshow, Assembly Software, Brainsuite, Cavell and Cialfo, and 17 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses Microsoft 365 and Office 365?

From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.

Find every company using Microsoft 365 and Office 365

See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.

  • Every company and vendor, with its public source
  • 100 API calls a month, plus MCP and the Chrome extension
  • Work email only. No card, no sales call