Terms & Conditions

Single Form Accounting — Hidden Mango Limited

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Version: 1.0  |  Effective Date: March 2026

1. Introduction

These Terms and Conditions ("Terms") govern your access to and use of Single Form Accounting, a cloud-based accounting software application ("the Software") provided by Hidden Mango Limited ("we", "us", "our"), a company registered in England and Wales.

By registering for or using the Software, you agree to be bound by these Terms. If you do not agree, you must not use the Software.

2. About the Software

Single Form Accounting is an online accounting platform designed for small and medium-sized businesses. It provides features including invoicing, purchase management, bank and cash transaction recording, VAT period management, and Making Tax Digital (MTD) VAT submission to HMRC.

3. Eligibility

You must be at least 18 years of age and have the legal authority to enter into a binding agreement on behalf of yourself or the business entity you represent. By registering, you confirm that you meet these requirements.

4. Account Registration

  1. 4.1You must provide accurate, complete, and current information during registration including your business name, VAT registration number (if applicable), and contact details.
  2. 4.2You are responsible for maintaining the confidentiality of your login credentials and for all activity that occurs under your account.
  3. 4.3You must notify us immediately at singleformacc@gmail.com if you become aware of any unauthorised use of your account.
  4. 4.4We reserve the right to suspend or terminate accounts where we reasonably believe registration information is false, misleading, or outdated.

5. Permitted Use

You may use the Software solely for your own lawful business accounting purposes. You must not use the Software to:

  • •Process data for third parties without their explicit consent
  • •Engage in any unlawful, fraudulent, or deceptive activity
  • •Attempt to gain unauthorised access to any part of the Software or its underlying systems
  • •Introduce viruses, malware, or other harmful code
  • •Reverse engineer, decompile, or disassemble the Software
  • •Resell, sublicense, or commercially exploit the Software without our written permission

6. Making Tax Digital (MTD) VAT Submission

  1. 6.1The Software facilitates the submission of VAT returns to HMRC via the Making Tax Digital API on your behalf as a conduit.
  2. 6.2You are solely responsible for the accuracy and completeness of all financial data entered into the Software, including VAT figures submitted to HMRC. We do not verify, audit, or validate the accuracy of your accounting data.
  3. 6.3By using the MTD submission feature, you authorise the Software to connect to HMRC's systems using your Government Gateway credentials via OAuth 2.0 and to transmit VAT return data on your behalf.
  4. 6.4You acknowledge that once a VAT return is submitted to HMRC it cannot be recalled through the Software. Any corrections must be made directly with HMRC in accordance with their procedures.
  5. 6.5We are not responsible for any penalties, interest, or other consequences arising from incorrect, late, or failed VAT submissions, whether caused by errors in your data or technical failures beyond our reasonable control.
  6. 6.6HMRC's own terms of service apply to all interactions with their systems. Your use of the MTD feature constitutes your acceptance of HMRC's terms.

7. Data Accuracy and Financial Responsibility

  1. 7.1The Software is a tool to assist with accounting record-keeping. It does not constitute financial, tax, or legal advice.
  2. 7.2You are responsible for ensuring that all data entered into the Software is accurate, complete, and compliant with applicable laws and regulations including but not limited to HMRC requirements.
  3. 7.3We strongly recommend that you engage a qualified accountant or tax adviser to review your records and submissions.
  4. 7.4We shall not be liable for any financial loss, tax liability, penalties, or regulatory consequences arising from your use of the Software.

8. Availability and Service Levels

  1. 8.1We will endeavour to make the Software available at all times, but we do not guarantee uninterrupted or error-free access.
  2. 8.2We may carry out maintenance, updates, or improvements which may result in temporary unavailability. Where possible, we will provide advance notice.
  3. 8.3We are not liable for any loss or damage arising from unavailability of the Software, including during periods of planned or unplanned maintenance.

9. Intellectual Property

  1. 9.1All intellectual property rights in the Software, including its design, code, content, and documentation, are owned by or licensed to Hidden Mango Limited.
  2. 9.2These Terms do not transfer any intellectual property rights to you. You are granted a limited, non-exclusive, non-transferable licence to use the Software during the term of your subscription (or free access period).
  3. 9.3You retain ownership of all data and content you input into the Software.

10. Pricing and Payment

  1. 10.1The Software is currently provided free of charge. We reserve the right to introduce subscription fees in the future with reasonable advance notice.
  2. 10.2If and when subscription fees are introduced, continued use of the Software after the effective date of any pricing change will constitute your acceptance of the new pricing.
  3. 10.3We will notify registered users of any changes to pricing by email at least 30 days before they take effect.

11. Termination

  1. 11.1You may stop using the Software at any time by ceasing access and, if you wish, requesting deletion of your account and data by contacting singleformacc@gmail.com.
  2. 11.2We may suspend or terminate your access to the Software at any time if you breach these Terms, we reasonably suspect fraudulent or unlawful activity, or we cease to provide the Software.
  3. 11.3Upon termination, your right to use the Software ceases immediately. We will retain your data for a period of 90 days following termination, after which it may be permanently deleted.

12. Limitation of Liability

  1. 12.1To the maximum extent permitted by law, Hidden Mango Limited shall not be liable for any indirect, incidental, special, consequential, or punitive damages, including loss of profits, data, or business opportunities arising from your use of or inability to use the Software.
  2. 12.2Our total aggregate liability to you shall not exceed the total fees paid by you in the 12 months preceding the claim, or £100 where no fees have been paid.
  3. 12.3Nothing in these Terms excludes or limits our liability for death or personal injury caused by our negligence, fraud or fraudulent misrepresentation, or any other liability that cannot be excluded by law.

13. Indemnity

You agree to indemnify, defend, and hold harmless Hidden Mango Limited and its officers, directors, and employees from any claims, liabilities, damages, or expenses (including reasonable legal fees) arising from your use of the Software, breach of these Terms, or violation of any applicable law.

14. Changes to These Terms

We may update these Terms from time to time. We will notify you of material changes by email or by posting a notice within the Software. Your continued use of the Software after the effective date of any changes constitutes your acceptance of the updated Terms.

15. Governing Law and Disputes

  1. 15.1These Terms are governed by and construed in accordance with the laws of England and Wales.
  2. 15.2Any disputes arising from these Terms or your use of the Software shall be subject to the exclusive jurisdiction of the courts of England and Wales.

16. Contact Us

Hidden Mango Limited

Email: singleformacc@gmail.com

These Terms and Conditions were last updated in March 2026.