In-house As IRCA Registered Lead Auditors, we can take over all or part of your Internal Auditing programme, thereby freeing your personnel for productive duties. Not only can this result in increased output and profits, you get the benefit of an independent professional evaluation of your established system and the effectiveness of its operation. Supplier/Sub-contractor appraisal We will conduct vendor appraisal on your behalf, providing you with a detailed report on the management systems of your potential suppliers, their efficiency and their capability to meet your requirements.