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Technologies / Fortnox / Microsoft 365

Companies using Fortnox and Microsoft 365

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

6companies use both
46%of Fortnox users
under 1%of Microsoft 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

CompanyFortnoxMicrosoft 365
Adligoadligo.io
Enoraenora.seEnora provides accounting, payroll, auditing, CFO services and advisory services, along with digital system solutions.Finance and accounting softwareConsulting and services
inretrninretrn.comInretrn provides a returns management platform that automates returns, exchanges and claims for international, omni-channel brands.E-commerce
Payday Löner & Redovisningpayday.sePayday is an authorized accounting firm in Stockholm that handles payroll administration and accounting, including bookkeeping, financial statements, and tax declarations.Finance and accounting softwareConsulting and services
365id365id.com365id provides identity verification services using ID scanners, an app, and an SDK to authenticate and store ID documents.Compliance and riskIdentity and access
Lupperlupper.ioLupper samlar, analyserar och aktiverar kunddata automatiskt med AI, och kombinerar marketing automation med en kunddataplattform.AI and machine learningData and analytics

The two technologies

Fortnox

Finance and ERP

Fortnox is a cloud-based system of programs and services for company accounting, invoicing, payroll and payments. It is used by companies and accounting firms to run and grow their business operations.

Summarized from fortnox.se on 8 Nov 2026.

46% of the 13 companies we see using Fortnox also show the other.

All 13 companies using Fortnox10 name it as a subprocessorMore in Finance and ERP

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.

under 1% of the 3,875 companies we see using Microsoft 365 also show the other.

All 3,875 companies using Microsoft 365120 name it as a subprocessorMore in Productivity

Industries

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

Finance and accounting software2Consulting and services2

Other pairs

Companies with their own evidence for both.

More with Fortnox

Cloudflare13companiesAmazon Web Services7companiesGoogle7companiesGoogle Workspace5companiesSentry5companiesStripe5companies

More with Microsoft 365

Cloudflare3,888companiesGoogle Tag Manager1,915companiesGoogle Analytics1,342companiesWordPress1,243companiesHubSpot846companiesAmazon Web Services717companies

Questions

How many companies use both Fortnox and Microsoft 365?

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

Which companies use Fortnox and Microsoft 365?

Adligo, Enora, inretrn, Payday Löner & Redovisning and 365id, and 1 more company. Each one links to the evidence behind it.

How does StrataDB know a company uses Fortnox and Microsoft 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 Fortnox and Microsoft 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