What is a subprocessor?

A subprocessor is a third party data processor engaged by GoSimpleTax. GoSimpleTax engages different types of subprocessors to perform various functions as explained in the tables below.

Third party Software used to provide GoSimpleTax Calculator


  • segment.io
  • Google Analytics


  • Customer.io
  • Mailchimp

Sms integration for phone verification

  • Twilio

Payment integration

  • Stripe
  • Zoho

Customer support integration

  • Zendesk
  • Tutorialize.js
  • Zoho

Import service integrations

  • Quickbooks
  • Xero
  • FreeAgent
  • FreshBooks
  • SumUp
  • HMRC

Social integration

  • Social sharing with Facebook, Twitter

Server Hosting

  • Amazon Web Services (Dublin)
  • UKFast

Third Party Service Providers

  • Aspire Systems


  • Trustpilot

Due Diligence
GoSimpleTax undertakes to use a commercially reasonable selection process by which it evaluates the security, privacy and confidentiality practices of proposed subprocessors and third party service providers that will or may have access to or process Service Data.

Process to Engage New Subprocessors:
GoSimpleTax will provide notice via this policy of updates to the list of subprocessors and third party service providers that are used or which GoSimpleTax proposes to use to deliver its Services. GoSimpleTax undertakes to keep this list updated regularly to enable its Subscribers to stay informed.

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