Sub Processor List
Published: 21 Dec 2022 | Modified: 3 Aug 2026
Below is a current list of the sub-processors authorized to process personal data for Fourth services.
Updates to Sub-Processor List
This sub-processor list may be updated by Fourth from time to time. Please check back at this URL frequently for an up to date listing of our sub-processors.
Subscribing to Updates to the Sub-Processor List
To subscribe to updates to Fourth’s sub-processor list, please follow the posts on the Fourth Community.
Requesting More Information about a Sub-Processor
If you would like to receive any additional information about any sub-processors in respect of the role it plays for Fourth and its security controls, please make the request via email to privacy@fourth.com with “Information Request” in the subject line.
Amazon AWS
Public cloud hosting provider. All solutions. (ISO 9001, 27001, 27008, 27017 Certified; SOC1, SOC2, SOC3 audited) Location – EU, EMEA, USA.
Carrenza/6 Degrees
Private cloud hosting partner (Workforce Management and Purchase to Pay and Inventory solutions). Locations – EU and US.
Docusign Inc.
Provider of contract e-signature services for Fourth’s UK ATS solutions. Location- EU. DocuSign has Binding Corporate Rules in place.
Finastra
BACS processing provider for payroll services (UK Payroll Bureau only). Location – EU.
Fourth Bulgaria EOOD
Fourth subsidiary. All solutions. Location – EU.
Fourth Software Trading LLC
Fourth subsidiary. All solutions. Location – UAE.
Fourth USA Inc
Fourth subsidiary. All solutions. Location – USA.
GoodData
Private cloud hosting partner (Fourth Analytics). Locations – EU and USA.
Analytics provider (Inventory solution). Locations – EU and USA.
Microsoft Azure
Public cloud hosting provider. All solutions. Location – EU, US, and APAC.
Mixpanel
Mobile user journey logging provider. All solutions, excluding Adaco. Location – USA.
OnlineCity.io ApS, t/a GatewayAPI
SMS messaging provider for Fourth’s ATS solution. Location EU.
Running with Knives
Authorised reseller and provider of implementation services (Workforce Management Products and FnB Live). Location – UK.
Salesforce
CRM database provider, including hosting. All solutions. Locations – EU, UK and USA.
SendBird
Provides an in-app chat and messaging API used to power real-time messaging between users within the Fourth App & iQ Experience. Location – USA.
Synel
Provider of T&A hardware (clocks) (Workforce Management). Location – EU. See “T&A and Biometric Data” at www.fourth.com/agreements.
TrustID Limited
Provider of RTW checks for Fourth’s ATS solution. Location UK.
Wagestream Limited
Nominated Provider of Fourth’s Salary Service (on-demand pay). Location – UK.
Zendesk
Support/service management. Location – UK and USA.
