Mainline Groundworks

Whistleblowing & Confidential Reporting

Mainline Groundworks is committed to operating responsibly, fairly and transparently. If you have a serious concern relating to our business, projects, people, suppliers or conduct, you can raise it through our confidential reporting route.

Our commitment

Mainline Groundworks takes concerns seriously. We encourage people to speak up where something does not seem right, so issues can be reviewed properly and addressed where needed.

Confidential reporting supports responsible business conduct across our projects, supply chain and working relationships. It is part of how we maintain standards around health and safety, fair treatment, ethical supplier relationships, transparency and accountability.

  • Responsible business conduct
  • Health and safety
  • Fair treatment
  • Ethical supplier relationships
  • Transparency
  • Accountability

Who can raise a concern?

This confidential reporting route is not limited to direct employees. Anyone with a serious concern relating to Mainline Groundworks can use it.

Employees

Anyone employed by Mainline Groundworks, including site and office-based roles.

Contractors

Approved contractors working with Mainline on projects or packages.

Subcontractors

Specialist subcontractors delivering works on Mainline projects.

Suppliers

Suppliers providing materials, plant, services or other support to our work.

Clients

Developers, principal contractors and other clients working with Mainline.

Site visitors

People visiting Mainline sites in a professional or authorised capacity.

Members of the public

Anyone affected by Mainline works who needs to raise a serious concern.

What you can report

This route is for serious concerns relating to Mainline Groundworks, our work, sites, contractors, suppliers or conduct. Examples include:

  • Health and safety concerns
  • Unsafe working practices
  • Fraud or financial misconduct
  • Bribery or corruption
  • Bullying, harassment or discrimination
  • Environmental concerns
  • Unethical supplier or contractor behaviour
  • Serious breaches of policy or law
  • Attempts to conceal wrongdoing

This is not an exhaustive list. If you believe the matter is serious and relates to Mainline Groundworks, you can still use the confidential reporting route.

What this route is not for

To keep this channel focused on serious concerns, please use other Mainline contact routes for ordinary commercial or project communication.

General sales enquiries

Requests for services, capability information or commercial introductions.

Quote requests

Project quotations and tender conversations should use our contact routes.

Routine customer service

Day-to-day project queries, updates or minor delivery questions.

Minor project questions

Programme clarifications, access queries or ordinary site coordination.

Payment chasing

Invoice status, payment timing or commercial account queries.

Immediate emergencies

Situations needing an urgent response should go to emergency services or the site contact first.

If there is an emergency, contact the relevant emergency services or the site contact immediately. Do not rely on this reporting portal for urgent on-site response.

For general enquiries, quotations or routine project questions, please use our contact page.

Confidential reporting through Disclosurely

Mainline Groundworks uses Disclosurely to provide a secure reporting portal. This gives people a clear, confidential way to raise serious concerns outside ordinary project and sales channels.

Reports can be submitted confidentially, and you can choose how much information to provide. Where relevant, you can upload evidence to support the concern.

Authorised Mainline users review reports through the portal. Secure follow-up may be possible where needed, and the system helps maintain a documented record of what has been raised and reviewed.

Ready to raise a concern?

Use the Mainline Disclosurely portal to submit a confidential report relating to our business, projects, people, suppliers or conduct.

Open the reporting portal

What happens after you submit a report?

Once a report is submitted, it follows a clear review process within Mainline Groundworks.

1

Submit your concern

Share what you know through the secure Disclosurely reporting portal.

2

Authorised review

The report is reviewed by authorised people at Mainline Groundworks.

3

Assessment and next steps

Mainline assesses the concern and decides the appropriate next steps.

4

Secure follow-up

Where possible, updates or follow-up questions may be handled through the portal.

Raising concerns responsibly

We understand that raising a concern can feel difficult. We ask that anyone using this route does so honestly and in good faith, providing as much relevant detail as possible so the matter can be reviewed properly.

Raise a concern confidentially

If you have a serious concern relating to Mainline Groundworks, you can submit it through our confidential reporting portal.

Need groundworks input? Discuss your project with our team