Supplier Due Diligence

Supplier due diligence that catches risk before you commit

Financial, ESG, modern slavery and operational checks that protect your business from supplier failure. Rigorous screening at onboarding and ongoing monitoring through the life of the relationship..

What It Is

What is supplier due diligence?

Supplier due diligence is the process of checking a supplier’s financial stability, compliance, ethics and operational risk before and during an engagement. It confirms a supplier is sound, legitimate and able to deliver, protecting the buyer from supply failure, reputational damage and regulatory breach.

Every supplier you onboard is a risk you take on. Most are fine. The problem is the ones that are not, and the fact that you usually cannot tell which is which from a sales pitch and a tidy website. Due diligence is how you find out before you sign, not after the supplier has stopped delivering or turned up in the wrong kind of headline.

Our supplier due diligence covers the full risk picture: financial stabilitymodern slavery and ethical screening, ESG assessment, and operational capability. We run it at onboarding and, for critical suppliers, on an ongoing basis, because a supplier that was sound last year can quietly slide into trouble this one.

Our procurement transformation work spans the full picture, from process and governance redesign through to digital procurement and ERP-enabled buying. We assess where you are, design where you need to be, then deliver the change as embedded practitioners and stay until it holds without us.

The Challenge

Why supplier risk gets missed

Supplier onboarding is often a box-ticking exercise. A form gets filled in, a couple of references are taken, and the supplier is approved. Nobody checks whether the company is financially stable, whether its ownership is what it claims, or whether there is modern slavery risk buried in its supply chain. The checks that would catch a problem are skipped because they are seen as slow or someone else's job. Then the risk lands. A critical supplier goes under and stops your operation. A modern slavery issue surfaces and the reputational damage is done. An auditor or regulator asks how you assessed the supplier and the honest answer is you did not. Proper due diligence turns supplier risk from a surprise into something you saw coming and managed.

Business Impact

What due diligence protects

Supplier due diligence is insurance you actually use. The value is in the failures it prevents and the confidence it gives you to commit to the right suppliers.

 

Fewer failures

Financial and operational checks flag weak suppliers before you depend on them, reducing supply disruption.

Protected reputation

Modern slavery and ESG screening keeps unethical practice out of your supply base and out of the headlines.

Compliance evidenced

Documented checks demonstrate due process to auditors, regulators and your own board, on demand.

What's Included

What our supplier due diligence service covers

Delivered as onboarding screening, one-off supplier audits, or ongoing monitoring of your critical suppliers.

inancial Stability Review

Analysis of accounts, credit and financial health to flag suppliers at risk of failure before you depend on them.

Company Verification

Confirmation of company status, ownership and structure, so you know who you are actually contracting with.

Modern Slavery Checks

Screening of the supplier and its supply chain for forced labour risk, supporting Modern Slavery Act compliance.

ESG Assessment

Review of environmental, social and governance practice against your standards and reporting obligations.

Insurance and Accreditation

Verification of insurance cover, certifications and accreditations relevant to the work the supplier will do.

Ongoing Monitoring

Periodic re-checks of critical suppliers, so emerging financial or compliance risk is caught early, not late.

How We Work

A four-stage engagement process

Whether you need a single supplier checked or a whole onboarding process built, the structure is the same so you always know what is being delivered next.

Step 01

Discover

We agree which suppliers are in scope and the level of risk each carries, so the checks are proportionate.

Step 02

Design

We set the due diligence approach and criteria, scaled to supplier criticality and your compliance obligations.

Step 03

Deliver

We run the checks, analyse the findings, and give you a clear risk view with a recommendation on each supplier.

Step 04

Embed

We build the process into your onboarding and set up ongoing monitoring, or hand over a repeatable framework.

Why Pro Outsourcing

Due diligence with commercial judgement

A due diligence report is only useful if someone can read the risk and tell you what to do about it. We bring procurement judgement, not just a checklist, so you get a clear view of the risk and a practical recommendation, not a pile of data to interpret yourself

  • Practitioner-led delivery We have rebuilt procurement functions in live operations, so we deliver change rather than just designing it.
  • Proportionate checks We scale due diligence to supplier criticality, so effort goes where the risk is rather than everywhere equally.
  • Clear recommendations We translate findings into a plain risk view and a decision, not a report you have to decode.
  • CIPS-qualified leadership Founder Tom Evans holds MCIPS designation. CIPS Professional Ethics certified. Backed by Chamber of Commerce membership.
  • Onboarding and ongoing We check at the start and keep watching the suppliers that matter, so risk is managed over time.
Related Services

Services that work alongside supplier due diligence

Procurement Strategy

Build a procurement strategy that aligns with your business goals, reduces cost, and strengthens commercial outcomes. From category strategy to procurement target operating models.

Procurement Governance

The controls and supplier governance a fractional leader puts in place to keep procurement under control.

Strategic Sourcing and Management

The hands-on sourcing and day-to-day management a fractional leader can run or oversee for you

Supplier due diligence is the process of checking a supplier's financial stability, compliance, ethics and operational risk before and during an engagement. It confirms a supplier is sound, legitimate and able to deliver, protecting the buyer from supply failure, reputational damage and regulatory breach.
It is important because supplier failure or misconduct can stop operations, damage reputation and create legal liability. Due diligence catches financial weakness, modern slavery risk, poor ESG practice and operational red flags before you commit, so problems are avoided rather than discovered after the contract is signed.
A thorough check includes financial stability analysis, company and ownership verification, modern slavery and ethical screening, ESG assessment, insurance and accreditation checks, and operational capability review. The depth is scaled to the supplier's criticality and the risk the relationship carries.
Due diligence should be carried out at onboarding, before a supplier is approved or a contract is awarded, and then repeated periodically for critical suppliers. Ongoing monitoring matters because a supplier that was sound at onboarding can deteriorate, so risk needs to be tracked through the life of the relationship.
Modern slavery due diligence is the process of checking that a supplier and its supply chain are free from forced labour and human trafficking. It supports compliance with the Modern Slavery Act and protects the buyer from the legal and reputational risk of unethical practices in its supply base.

Know your suppliers before you commit

Book a free 30-minute procurement review with Tom Evans MCIPS. We will look at your current setup, identify the top three opportunities, and tell you honestly which service (if any) is the right fit. No obligation, no jargon.