Your Trusted Partner in Audit and Advisory Services
At A4SOnline, we’re dedicated to improving your business performance and processes with ISO Standards, best frameworks, and practices.
Why Choose 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.
Services we Offer

ISO STANDARDS
We offer governance, performance, risk, compliance, and audit services (GPR-CAS)

Best Practice and Framework
We provide governance, performance, risk, compliance, and audit services (GPR-CAS)

Corporate Social Responsibility (CSR)
We implement and adopt corporate social responsibility.

Environment, Social and Governance (ESG)
We offer monitoring, evaluation and assessment services (MEAS)
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.
WEBINARS
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Upcoming Webinars
Past Webinars
AUDIT, ADVISORY, ASSURANCE AND ASSESSMENT SERVICES LIMITED
Audit, Advisory, Assurance and Assessment Services Limited has provided professional, objective, and independent audit and advisory services to over 500 clients in diverse operational domains over the past 15 years, delivering value-added insights and support.
Auditing
Assurance

What we do
Audit
Advisory
Assurance
Assessment

(GPR – CAS)
ISO Standards
ISO 9001(QMS)
ISO 22301 (BCMS)
Governance, Performance, Risk, Compliance and Audit Services (GPR – CAS)
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.
ISO standards
Risk Compliance
MONITORING, EVALUATION AND ASSESSMENT SERVICES (MEAS)
MEAS supports SDG implementation, ESG reporting, and CSR adoption in line with ISO standards for governments, public and corporate institutions
Best Practices
Reporting

Quality Services
Report
CRS adoption
ISO standards
Our Amazing Clients



















Sustainable Development Goals (SDG)
Sustainable Development Goals (SDG) implementation and adoption at the National, State, Local Government levels and for public and corporate institutions.

Questions & Answers
Questions & Answers
Most frequently asked question about us
Why I should choose your company?
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.
What kind of services do you offer?
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).
Is your company certified?
Yes, we are proud to be ISO 9001:2015 certified. This ensures we deliver the highest quality services to our clients.