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About US

About Us

Our organization is A4S – Audit, Advisory, Assurance and Assessment Services Limited. We have supported more than 500 clients over the past 15 years in various value adding areas of their operations. We provide professional, objective and independent audit and advisory services to our clients. We specialize in two categories of client engagements:
    1. Governance, Performance, Risk, Compliance and Audit Services (GPR – CAS) for
    a. ISO Standards (for Quality – 9001, Information Security – 27001, Business Continuity – ISO 22301, Risk – ISO 31000, Compliance – ISO 37301 Health and Safety – ISO 45001) and many others.
    b. Best Practice and Framework for Business and Information Technology (Process Optimization – APQC and Lean Six Sigma, Project Management – PMI PMBoK and PRINCE2, Programme Management – Axelos MSP, Risk Management – COSO and Axelos MoR, IT Service Management – ITIL, IT Governance and Management – COBIT, Enterprise Architecture – TOGAF, Card and Payment Security – PCIDSS) and many others.
    2. Monitoring, Evaluation and Assessment Services (MEAS) for
    a. Sustainable Development Goals (SDG) implementation and adoption at the National, State, Local Government levels and for public and corporate institutions.
    b. Environment, Social and Governance (ESG) reporting for Environment – ISO 14001, Climate Change Adaptation – ISO 14090, Governance – ISO 37000, Antibribery – ISO 37001 and Whistleblowing – ISO 37002. c. Corporate Social Responsibility (CSR) implementation and adoption with ISO 26000.

    Signed
    Orlando Olumide Odejide PhD
Technology

We help technology industries by enhancing security, ensuring compliance, improving efficiency, supporting growth, and mitigating risks.

Manufacturing

We help manufacturing companies by enhancing security, ensuring compliance, improving efficiency, supporting growth, and mitigating risks.

Oil & Gas

We assist oil and gas companies in improving safety, ensuring regulatory compliance, boosting efficiency, driving growth, and reducing risks.

Telecommunication & ISP's

We aid telecommunication and ISP companies in enhancing network security, ensuring regulatory compliance, optimizing operational efficiency, fostering expansion, and mitigating risks.

Banks

We support banks by strengthening security measures, ensuring regulatory adherence, enhancing operational efficiency, facilitating expansion initiatives, and mitigating risks.

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Frequently Asked Questions

We specialize in a wide range of industry-recognized standards and frameworks, such as ISO standards, Best Practices, and Sustainable Development Goals (SDGs). This ensures that your business is operating at the highest level and meeting all relevant requirements.

We offer a variety of audit, advisory, assurance, and assessment services to help organizations improve their operations. They specialize in two main categories:
1. Governance, Performance, Risk, Compliance and Audit Services (GPR-CAS): This covers a wide range of services related to best practices and frameworks for businesses and information technology. This includes helping companies achieve certifications in various ISO standards and implementing best practices like Lean Six Sigma and ITIL.
2. Monitoring, Evaluation and Assessment Services (MEAS): This category focuses on sustainability and social responsibility. They can help organizations implement and adopt practices related to Sustainable Development Goals (SDGs), Environmental, Social and Governance (ESG) reporting, and Corporate Social Responsibility (CSR).

Yes, we are proud to be ISO 9001:2015 certified. This ensures we deliver the highest quality services to our clients.

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Our Quality Policy

A4S Limited is committed to delivering exceptional audit, advisory, assessment, and assurance services that meet and exceed customer expectations. Our Quality Management System, aligned with ISO 9001 standards, supports this commitment through:

Customer Focus: Ensuring our services are tailored to customer needs and maintain the highest quality standards.

Continuous Improvement: Refining our processes, strategies, and systems to enhance customer satisfaction and operational efficiency.

Accountability and Compliance: Upholding legal, regulatory, and industry standards to deliver consistent and reliable services.

Employee Empowerment: Training and supporting our team to ensure they have the skills and knowledge required for quality service.

This commitment to quality management is central to our business strategy, ensuring A4S Limited remains a trusted partner for our clients and stakeholders.

ISMS Policy Statement

A4S Limited is committed to maintaining a robust Information Security Management System (ISMS) that protects the confidentiality, integrity, and availability of all information assets. We adhere to industry’s best practices and comply with relevant legal and regulatory requirements.
Our ISMS is designed to identify and mitigate risks, ensure business continuity, and foster a culture of security awareness among our employees. We continually monitor and improve our ISMS to adapt to evolving threats and ensure the ongoing protection of our information.
In accordance with the requirements of ISO/IEC 27001:2022, we ensure that information security policies are:

  • Established and Approved – The organization defines and documents policies to govern the confidentiality, integrity, and availability of information assets. These policies align with business objectives, legal and regulatory requirements, and industry best practices.
  • Communicated and Implemented – All employees and relevant stakeholders are made aware of their responsibilities regarding information security. Policies are embedded within operational processes to ensure effective implementation.
  • Regularly Reviewed and Updated – The policies are subject to periodic reviews and updates to address evolving threats, regulatory changes, and business needs. A4S LIMITED ensures that any revisions are communicated to all relevant parties.
Privacy Policy

A4S LIMITED – Audit, Advisory, Assurance and Assessment Services Limited is committed to protecting the privacy of individuals who interact with our website and services. This Privacy Policy outlines how we collect, use, and safeguard your personal information.

Information We Collect

We may collect the following personal information:

  • Contact Information: Name, email address, phone number, and company name.
  • Professional Details: Job title and organization.
  • Communication Content: Messages or inquiries you send to us.
  • Technical Info: IP address, browser type, device information, and pages visited, collected through cookies and other similar technologies.
How We Use Your Information

The purpose of our collecting your personal information is to give you efficient, enjoyable, and secure service. We may use your information to:

  • Respond to your inquiries and service requests.
  • Provide, manage, and improve our services.
  • Communicate important updates or company news.
  • Perform internal research and analytics.
  • Ensure website functionality and security.
Security

We take the security of your information seriously at A4S LIMITED. To protect against unauthorized access, we have implemented robust technical and operational security controls. Our website uses Secure Sockets Layer/Transport Layer Security (SSL/TLS) to ensure that any personal data you share with us is securely transmitted. When accessing our platform, you’ll notice a padlock icon in the address bar and the URL starting with “https://” — both indicators of a secure connection.

SSL/TLS encryption ensures that data exchanged between your device and our servers is encrypted during transmission and only decrypted upon arrival, making it unreadable to unauthorized parties.

A4S LIMITED also adheres to internationally recognized Information Security Management Systems (ISMS) standards. We have established both digital and physical safeguards to prevent or minimize the risk of data privacy breaches.

Your Rights

Depending on your jurisdiction, you may have rights to:

  • Access the personal data we hold about you.
  • Request correction or deletion of your personal information.
  • Object to or restrict processing of your data.
  • Withdraw consent for communication.

To exercise these rights, please contact us at info@a4sonline.com.

Cookies

Cookies are small text files stored on your device that help our website recognize your browser while you navigate through different pages. They allow us to tailor the content, features, and user experience based on your preferences.

Like most interactive websites, A4S LIMITED uses cookies to track your activity during a browsing session. Specifically, we use only encrypted session cookies, which are temporary and automatically deleted either after a set period of inactivity or when you log out and close your browser.

These session cookies do not gather any personal information from your device. Instead, they store a non-personal session ID that helps maintain secure and seamless navigation across our platform.