
In the fast-paced, risk-driven environment of modern business, relying on third-party vendors is inevitable. However, this reliance can expose your company to significant security and regulatory risks. At Pearl Lemon Accountants, we provide customised third-party audit services that assess your vendors’ security, identify regulatory gaps, and protect your business from potential vulnerabilities.
For businesses in London and the UK, the stakes are even higher. With stringent regulations like GDPR, it’s not just about protecting your business — it’s about making sure that your third-party vendors are equally up to the task. Our audits give you the confidence that your business and vendor relationships meet these crucial standards.
Our Third-Party Audit Services
At Pearl Lemon Accountants, we offer a strong range of third-party audit services that ensure your vendors meet regulations and security standards. Our process isn’t just about ticking boxes — it’s about offering a planned, detailed assessment of every risk your vendors might present to your business.
Vendor Risk Assessment
We evaluate the risks each vendor poses to your business, analysing everything from access to sensitive data to the security measures they employ. This helps you identify areas where you may be vulnerable.
Security Posture Evaluation
We thoroughly assess your vendor’s cybersecurity framework, testing their defenses to ensure they can withstand external and internal threats.


Regulatory Audits
We verify that your vendors adhere to regulatory frameworks, including GDPR, PCI DSS, and other sector-specific requirements. A failure to meet these standards can lead to hefty fines, so we ensure your vendors are in full compliance.
Penetration Testing
Through simulated attacks, we uncover any vulnerabilities in your vendor’s system. By identifying security weaknesses before attackers can exploit them, we help safeguard your sensitive data.
Detailed Audit Reporting
Once the audit is complete, you receive a detailed report highlighting security flaws, regulatory issues, and recommendations for improvement. We don’t leave you with a list of problems; we provide solutions that are easy to implement.
What We Bring to the Table: Why Our Audits Stand Out
At Pearl Lemon Accountants, our third-party audit services are built on years of experience helping businesses in London and the UK secure their operations. We offer more than just a service — we offer a full strategy to help you manage vendor risks, ensure compliance, and protect your business.
Expertise in Regulatory and Security
Our team is fully versed in the latest regulations and security protocols, such as GDPR, ISO 27001, and SOC 2. We apply this knowledge to every audit, ensuring that your third-party vendors meet the highest standards.


Detailed, Actionable Reports
We don’t just point out risks; we give you a clear action plan. After every audit, we deliver a clear and concise report with concrete steps to mitigate risks and address regulatory gaps.
Proactive Approach
Unlike reactive audits, we focus on proactively identifying potential threats and vulnerabilities. By acting now, you avoid the long-term damage of undetected security weaknesses or non-regulatory issues.
Customized Solutions
While we follow industry standards, we don’t offer generic solutions. We customize our audits to the unique needs and risks of your business, ensuring that the recommendations we provide fit perfectly within your operations.
Frequently Asked Questions
A third-party audit involves a detailed evaluation of your vendor’s security measures, alignment with industry regulations, and overall risk management. We assess their data protection practices, test their systems, and check their adherence to relevant legal standards.
Most of our third-party audits are completed within 2-4 weeks, depending on the number of vendors and complexity of your systems. We work around your business schedule to minimize disruption – conducting assessments during off-peak hours when possible. Our streamlined process means your vendors experience minimal interference, and we coordinate all communications to ensure smooth operations throughout the audit period.
When we identify critical vulnerabilities, we immediately alert you with a priority assessment and work with you to develop an urgent action plan. We don’t just point out problems – we provide step-by-step remediation guidance and can facilitate direct discussions with your vendors to ensure swift resolution.
Third-party audits identify vulnerabilities in your vendors’ security systems, reducing the chances of a data breach. For example, we can find weaknesses that could be exploited by cybercriminals and help your vendors patch them before any damage is done.
We audit vendors across all industries – from cloud hosting providers and software vendors to cleaning services and consultants. Our expertise spans technology, healthcare, finance, retail, and manufacturing sectors. Whether you’re dealing with AWS, Microsoft, local contractors, or international suppliers, we have the regulatory knowledge and technical expertise to assess their security and compliance thoroughly.
Ready to Schedule Your Third-Party Audit?
Don’t wait for a security breach to happen. Reach out to us today to schedule a thorough third-party audit of your vendor relationships. Our team will work closely with you to identify vulnerabilities, ensure regulations, and provide a clear, actionable plan to protect your business.