SubProcessorsFourth Subprocessors
HR Tech
Fourth provides workforce management and inventory management solutions for the hospitality industry.
| Name | Category | Purpose | Country | Data Processed |
|---|---|---|---|---|
| Akamai ✓ | Cloud Infrastructure | Content Delivery Network Provider |  USA |
- |
| Callidus (Litmos) | Education | Provider of digital e-learning services for Fourth Academy. | USA |
- |
| Carrenza/6 Degrees | Cloud Infrastructure | Private cloud hosting partner (Workforce Management and Purchase to Pay and Inventory solutions). | EU and US | - |
| Darktrace | Security | Network immune system providers. |  EU |
- |
| DocuSign ✓ | Documents | Provider of contract e-signature services for Fourth’s UK ATS solutions. | EU |
- |
| Finastra | Fintech | BACS processing provider for payroll services (UK Payroll Bureau only). | EU |
- |
| Fourth Bulgaria EOOD | HR | Fourth subsidiary. | EU |
- |
| Fourth Software Trading LLC | HR | Fourth subsidiary. | UAE | - |
| Fourth USA Inc | HR | Fourth subsidiary. | USA |
- |
| GitHub | Developer Tools | Private code, version control and credentials repository. | EU and USA | - |
| GoodData | Analytics | Private cloud hosting partner (Fourth Analytics). | EU and USA | - |
| Analytics | Analytics provider (Inventory solution). | EU and USA | - | |
| Logz.io | Monitoring | SaaS logging platform. | EU |
- |
| Microsoft Azure | Cloud Infrastructure | Public cloud hosting provider. | EU, US, and APAC | - |
| Mixpanel | Analytics | Mobile user journey logging provider. | USA |
- |
| OnlineCity.io ApS, t/a GatewayAPI | Communications | SMS messaging provider for Fourth’s ATS solution. | EU |
- |
| QTS ✓ | Cloud Infrastructure | Cloud Hosting Services. | USA |
- |
| Running with Knives | Consulting | Authorised reseller and provider of implementation services. |  UK |
- |
| Salesforce | CRM | CRM database provider, including hosting. | EU, UK and USA | - |
| Synel | Hardware | Provider of T&A hardware (clocks). | EU |
- |
| TrustID Limited | Identity | Provider of RTW checks for Fourth’s ATS solution. | UK |
- |
| Wagestream Limited | Fintech | Nominated Provider of Fourth’s Salary Service (on-demand pay). | UK |
- |
| Zendesk | Customer Support | Support/service management. | UK and USA | - |
| Amazon Web Services ✓ | Cloud Infrastructure | Public cloud hosting provider. All solutions. | EU, EMEA, USA | - |
February 16, 2026
+1 added
-1 removed
~11 modified
- + Amazon Web Services (Cloud Infrastructure)
- - Amazon AWS (Cloud Infrastructure)
- ~ Darktrace (updated: purpose)
- ~ Fourth Bulgaria EOOD (updated: purpose)
- ~ Fourth Software Trading LLC (updated: purpose)
- ~ Fourth USA Inc (updated: purpose)
- ~ GitHub (updated: purpose)
- ~ Logz.io (updated: purpose)
- ~ Microsoft Azure (updated: purpose)
- ~ Mixpanel (updated: purpose)
- ~ Running with Knives (updated: purpose)
- ~ Salesforce (updated: purpose)
- ~ Synel (updated: purpose)
February 9, 2026
~9 modified
- ~ Darktrace (updated: purpose)
- ~ Fourth Bulgaria EOOD (updated: purpose)
- ~ Fourth Software Trading LLC (updated: purpose)
- ~ Fourth USA Inc (updated: purpose)
- ~ GitHub (updated: purpose)
- ~ Logz.io (updated: purpose)
- ~ Microsoft Azure (updated: purpose)
- ~ Mixpanel (updated: purpose, extra_data)
- ~ Salesforce (updated: purpose)
February 9, 2026
+1 added
-1 removed
~21 modified
- + Amazon AWS (Cloud Infrastructure)
- - Amazon Web Services (Cloud Infrastructure)
- ~ Callidus (Litmos) (updated: purpose)
- ~ Carrenza/6 Degrees (updated: purpose)
- ~ Darktrace (updated: purpose)
- ~ Finastra (updated: purpose)
- ~ Fourth Bulgaria EOOD (updated: purpose)
- ~ Fourth Software Trading LLC (updated: purpose)
- ~ Fourth USA Inc (updated: purpose)
- ~ GitHub (updated: purpose)
- ~ GoodData (updated: purpose)
- ~ Google (updated: purpose)
- ~ Logz.io (updated: purpose)
- ~ Microsoft Azure (updated: purpose)
- ~ Mixpanel (updated: purpose, extra_data)
- ~ OnlineCity.io ApS, t/a GatewayAPI (updated: purpose)
- ~ QTS (updated: purpose)
- ~ Running with Knives (updated: purpose)
- ~ Salesforce (updated: purpose)
- ~ Synel (updated: purpose, extra_data)
- ~ TrustID Limited (updated: purpose)
- ~ Wagestream Limited (updated: purpose)
- ~ Zendesk (updated: purpose)
February 9, 2026
~24 modified
- ~ Akamai (updated: extra_data)
- ~ Amazon Web Services (updated: purpose, extra_data)
- ~ Callidus (Litmos) (updated: purpose)
- ~ Carrenza/6 Degrees (updated: purpose)
- ~ Darktrace (updated: purpose)
- ~ Docusign Inc. (updated: purpose)
- ~ Finastra (updated: purpose)
- ~ Fourth Bulgaria EOOD (updated: purpose)
- ~ Fourth Software Trading LLC (updated: purpose)
- ~ Fourth USA Inc (updated: purpose)
- ~ GitHub (updated: purpose)
- ~ GoodData (updated: purpose)
- ~ Google (updated: purpose)
- ~ Logz.io (updated: purpose)
- ~ Microsoft Azure (updated: purpose)
- ~ Mixpanel (updated: purpose, extra_data)
- ~ OnlineCity.io ApS, t/a GatewayAPI (updated: purpose)
- ~ QTS (updated: purpose, extra_data)
- ~ Running with Knives (updated: purpose)
- ~ Salesforce (updated: purpose)
- ~ Synel (updated: purpose, extra_data)
- ~ TrustID Limited (updated: purpose)
- ~ Wagestream Limited (updated: purpose)
- ~ Zendesk (updated: purpose)
February 9, 2026
~23 modified
- ~ Akamai (updated: extra_data)
- ~ Amazon Web Services (updated: purpose, extra_data)
- ~ Callidus (Litmos) (updated: purpose)
- ~ Carrenza/6 Degrees (updated: purpose)
- ~ Darktrace (updated: purpose)
- ~ Finastra (updated: purpose)
- ~ Fourth Bulgaria EOOD (updated: purpose)
- ~ Fourth Software Trading LLC (updated: purpose)
- ~ Fourth USA Inc (updated: purpose)
- ~ GitHub (updated: purpose)
- ~ GoodData (updated: purpose)
- ~ Google (updated: purpose)
- ~ Logz.io (updated: purpose)
- ~ Microsoft Azure (updated: purpose)
- ~ Mixpanel (updated: purpose, extra_data)
- ~ OnlineCity.io ApS, t/a GatewayAPI (updated: purpose)
- ~ QTS (updated: purpose, extra_data)
- ~ Running with Knives (updated: purpose)
- ~ Salesforce (updated: purpose)
- ~ Synel (updated: purpose, extra_data)
- ~ TrustID Limited (updated: purpose)
- ~ Wagestream Limited (updated: purpose)
- ~ Zendesk (updated: purpose)
Summary
24
Total Subprocessors
9
Countries
15
Categories
42%
in EU
Subprocessors by Country
Subprocessors by Category
Biggest overlap with
Other companies using the most of the same subprocessors
Common in your industry
Top subprocessors used by other HR Tech companies