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Trust & Security

Your tax security is our top priority.

We use bank-grade security and industry-leading privacy practices to ensure your tax data is protected at every step of the process.

Data Encryption

All sensitive data is encrypted at rest using AES-256 and in transit using TLS 1.3. Your personal information is never stored in plain text.

Privacy First

We strictly adhere to NDPR (Nigeria Data Protection Regulation) and GDPR standards. We never sell your data to third parties.

Regulated Compliance

Our platform is built to exceed FIRS and LIRS security requirements for electronic filing and data handling.

Secure Infrastructure

Hosted on enterprise-grade cloud providers with automated scaling, DDoS protection, and 99.9% uptime guarantees.

Automated Backups

Real-time backups ensure your tax history is always safe and recoverable, even in the event of local failures.

Two-Factor Auth

Strengthen your account security with multi-factor authentication, ensuring only you can access your tax records.

Responsible Disclosure

We believe that security is a collaborative effort. If you find a security vulnerability in our platform, we encourage you to let us know.

Report a vulnerability →

Our Commitments

  • Regular 3rd party security audits
  • Continuous threat monitoring
  • Employee access controls (Least Privilege)

GDPR & NDPR

Review our public data protection summary covering lawful processing, user rights, and privacy safeguards for compliance-sensitive workflows.

Read the data protection page →

If you have a standard Personal Income Tax (PIT) return only (Salary/Employment income, and common reliefs such as Pension, NHF, NHIS, and Life Assurance), you can file seamlessly with Blackgoat Basic. Roughly 65% of Nigerian taxpayers are eligible for this standard filing category.

Examples of situations included in a Standard PIT Return:

  • Employment Income (PAYE) from one or more employers
  • Interest and Dividends (where WHT is final tax)
  • Consolidated Relief Allowance (CRA)
  • Pension Contributions (RSA)
  • National Housing Fund (NHF) Contributions
  • National Health Insurance Scheme (NHIS) Contributions
  • Life Assurance Premiums
  • Business Expenses (for specialized Self-Employed filings)

Blackgoat Advanced (for situations not included in Standard Return):

  • Complex Capital Gains adjustments
  • Foreign Income with double taxation treaty claims
  • Complex Trust or Estate income
  • Business Income requiring audited financial statements
Get an Expert Match for BlackgoatAdvanced →

Blackgoat Guarantees

100% Accurate Calculations Guarantee: If you pay a State Internal Revenue Service (SIRS) or NRS (formerly FIRS) penalty or interest because of a Blackgoatcalculation error, we'll pay you the penalty and interest. You are responsible for paying any additional tax liability you may owe. This guarantee is good for the lifetime of your tax return, defined as six years from the date you filed it.

Maximum Tax Savings Guarantee: If you get a larger refund or smaller tax due from another tax preparation method by filing an amended return, we'll refund the applicable Blackgoat purchase price paid. This guarantee is applicable to the specific tax year filed.

Audit Support Guarantee: If you receive an audit letter from a State Board of Internal Revenue or NRS (formerly FIRS) based on your Blackgoat individual or business return, we will provide one-on-one question-and-answer support with a tax professional. We will not represent you before the tax authority or provide legal advice unless you have purchased the Audit Defense add-on.

Satisfaction Guaranteed: You may use Blackgoat Online without charge up to the point you decide to print or electronically file your tax return. Printing or electronically filing your return reflects your satisfaction with Blackgoat Online.

* Prices are subject to change without notice. Internet access required; standard data rates apply to download and use mobile app.

is a Product of Grid Services a Child company of Marvengrey Technologies Nigeria Ltd.