runsonwhat

Companies that use Signature 365

317 companies use Signature 365, as of October 2026.

Signature 365: Email signatures for Microsoft 365 (Symprex). We've found 317 companies using Signature 365, most often in Healthcare (11%) and Real Estate (11%), typically with 51–200 employees and 12% based in United States.

Customers317companies use it
Most popular withConstruction5.4× more likely than average
Typical customer51–200employees · mostly United States
  1. Seen Oct 2026
  2. Impresoft 4ward4ward.itIT Services · Italy
    201–1,000 employeesSeen Oct 2026
  3. Altersbetreuung Worbabworb.chHealthcare · Switzerland
    51–200 employeesSeen Oct 2026
  4. 201–1,000 employeesSeen Oct 2026
  5. Aceda Limitedaceda.co.ukIT Services · United Kingdom
    51–200 employeesSeen Oct 2026
  6. ACE Rent a Caracerentacar.comCar Rental Company · United States
    11–50 employeesSeen Oct 2026
  7. 51–200 employeesSeen Oct 2026
  8. Adviva GmbHadviva-info.deHealthcare · Germany
    51–200 employeesSeen Oct 2026
  9. Å Energiaenergi.noElectric Power · Norway
    201–1,000 employeesSeen Oct 2026
  10. Agillixagrinord.dkManagement Consulting · Denmark
    51–200 employeesSeen Oct 2026
  11. Airtech Europe Sarl, Luxembourgairtech.luConsumer Goods · Luxembourg
    201–1,000 employeesSeen Oct 2026
  12. Myntroalektumgroup.comFinancial Services · Sweden
    201–1,000 employeesSeen Oct 2026
  13. Alerionalerion.itRenewables & Environment · Italy
    11–50 employeesSeen Oct 2026
  14. 51–200 employeesSeen Oct 2026
  15. Seen Oct 2026
  16. Argo Lawargo-law.beLegal Services · Belgium
    51–200 employeesSeen Oct 2026
  17. Assurxassurx.comSoftware · United States
    51–200 employeesSeen Oct 2026
  18. Astorgastorg.comFinancial Services · Luxembourg
    51–200 employeesSeen Oct 2026
  19. Asuria Australiaasuria.com.auStaffing and Recruiting · Australia
    201–1,000 employeesSeen Oct 2026

Showing 40 of 328

Signature 365 customers also use

How much more likely Signature 365 customers are to use each tool than the average company.

What kind of companies use Signature 365

Segments where Signature 365 customers are more common than among all the companies we track.

  • Construction2% of customers5.4×more likely
  • Legal Services3% of customers2.8×more likely
  • Accounting3% of customers2.3×more likely
  • Logistics and Supply Chain6% of customers2.1×more likely
  • Banking3% of customers1.9×more likely
  • Real Estate9% of customers1.9×more likely
  • Staffing and Recruiting4% of customers1.8×more likely
  • 201–1,000 employees35% of customers1.7×more likely

Industry

  1. Healthcare11%
  2. Real Estate11%
  3. IT Services10%
  4. Financial Services9%
  5. Retail8%
  6. Logistics and Supply Chain8%
  7. Education Management5%
  8. Staffing and Recruiting5%

Company size

  1. 1–10 employees2%
  2. 11–50 employees10%
  3. 51–200 employees48%
  4. 201–1,000 employees35%
  5. 1,001–5,000 employees3%
  6. 5,001–10,000 employees0%
  7. 10,000+ employees1%

Country

  1. United States12%
  2. United Kingdom11%
  3. Netherlands11%
  4. Germany10%
  5. Denmark9%
  6. Australia9%
  7. Switzerland5%
  8. Belgium4%

Breakdowns cover the 313 customers with company details so far.

Alternatives to Signature 365

Other tools in the same category, by how many companies use them.

Signature 365 FAQ

How many companies use Signature 365?

We've found 317 companies using Signature 365 among the 187,006 we've scanned so far. We only count a company when a direct public record backs it up.

What kind of companies use Signature 365?

Signature 365 customers are most often in Healthcare (11%), Real Estate (11%) and IT Services (10%). The most common company size is 51–200 employees (48% of customers with a known size).

Which countries use Signature 365 the most?

Most Signature 365 customers we've found are in United States (12%), United Kingdom (11%) and Netherlands (11%).

What are the alternatives to Signature 365?

The most used alternatives in the same category are Microsoft 365 (230,092 companies), Google Workspace (115,461 companies), Apple Business (48,229 companies) and Exclaimer (10,985 companies).

How does runsonwhat know a company uses Signature 365?

We read public traces only. For Signature 365 that means the company's email records (SPF, MX, DKIM) and the company's published subprocessor list. Every match keeps the record it came from.