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Ouch that is going to hurt! The Importance of Due Diligence in Checking Subcontractors' Credentials

On so many occasions I hear the phrase "we know their RAMS are copy and pasted and their accreditations are not in date, but we just needed to get the job done!"

This absolutely frustrates me - RAMS are Legal documents and form such an important piece of evidence in the Health and Safety courts!

In the world of business, partnerships and collaborations are essential for growth and success. However, when it comes to subcontracting, the stakes are even higher. Ensuring that your subcontractors meet the highest standards of safety and professionalism is not just about compliance; it's about protecting your business, your employees, and your reputation. This is where due diligence comes into play.

Why Due Diligence Matters

Due diligence is the process of thoroughly investigating and verifying the credentials, experience, and reliability of potential subcontractors before engaging in a business relationship. This step is crucial for several reasons:

  • Ensuring Competence and Reliability: Not all subcontractors are created equal. Some may lack the necessary skills, experience, or resources to complete the job to the required standard. Due diligence helps you identify and select subcontractors who are competent and reliable.

  • Legal and Regulatory Compliance: Subcontractors must adhere to industry-specific regulations and standards. Failing to verify their compliance can result in legal issues and fines for your business.

  • Protecting Your Reputation: The quality of work performed by subcontractors reflects on your company. Poor workmanship or safety breaches by subcontractors can tarnish your reputation and lead to loss of business.

Key Steps in Due Diligence

  • To ensure you are partnering with the right subcontractors, follow these essential due diligence steps:

  • Verify Credentials and Experience: Check the subcontractor’s qualifications, certifications, and track record. Look for evidence of similar projects they have successfully completed.

  • Assess Financial Stability: Ensure the subcontractor is financially stable and can sustain the project. This can be done by reviewing their financial statements and credit history.

  • Check References: Speak with previous clients to get a sense of the subcontractor's performance, reliability, and professionalism.

  • Evaluate Health and Safety Practices: Review their health and safety policies and records to ensure they prioritise the well-being of their workers and comply with regulations.

RAMS: The Heart of Safety

Risk Assessments and Method Statements (RAMS) are critical documents that outline how subcontractors plan to complete their work safely. Ensuring these documents are thorough and specific is vital. Here’s what to look for:

  • Who Writes the RAMS?: Ideally, RAMS should be written by someone with a deep understanding of the project, such as a qualified health and safety officer or a project manager with relevant experience. Avoid subcontractors who outsource this task without oversight or expertise.

  • Avoiding Copy-Paste RAMS: Be wary of generic RAMS documents that look like they’ve been used for multiple projects. Each project has unique risks and challenges, and RAMS should reflect this specificity. Look for detailed, project-specific RAMS that address the unique hazards and methods relevant to your job.

  • Regular Updates and Reviews: RAMS should not be static documents. They need to be regularly reviewed and updated to reflect any changes in the project scope, site conditions, or regulations. Ensure your subcontractor has a process in place for keeping RAMS current and relevant.


The due diligence process is not just a box-ticking exercise; it is a crucial step in safeguarding your business and ensuring project success. By thoroughly vetting subcontractors and scrutinizing their RAMS, you can mitigate risks, ensure compliance, and maintain the highest standards of safety and quality. Remember, investing time and effort into due diligence today can save you from costly problems and reputational damage tomorrow. Make it a priority, and choose your subcontractors wisely.

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