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Stonbury

Specialist contractor delivering sustainable water infrastructure

Proposals & Bid Coordinator

Full-TimeDeadline 10/1/27
£35k/yr
Mid
Crewkerne, UK
In Person
Project & Program ManagementProposal Management

About the job

Requirements
  • Ability to work with stakeholders at all levels and form meaningful working relationships quickly.
  • Ability to write engaging and accurate documents.
  • Ability to work on several bids simultaneously.
  • Excellent organisational skills.
  • Strong attention to detail.
  • Experience with the MS Suite.
Responsibilities
  • Assist in the complete procurement lifecycle of key framework and project-specific tenders, working collaboratively with the Technical Bid Writer, subject experts, and other internal support teams.
  • Provide support and assistance with technical responses, helping develop tender proposals, including working with subject experts to incorporate their content into the submission.
  • Edit and proofread submission documents to ensure accuracy and bid compliance.
  • Assist with the implementation and continuous development of the bid library to provide a resource of industry-standard responses for future submissions.
  • Liaise with the internal marketing team to highlight new content that could be used in project news or social media content.
  • Support the Group Bid Manager with uploading tender submissions and bid administration.
  • Assist with pre- and post-tender clarification management, ensuring responses are submitted accurately and in good time.
  • Help manage proposal schedules and deadlines to maximise the time available to prepare and complete responses.
  • Where possible, take ownership of general bid responses and supplier forms to alleviate workload from other bid team members.

About the company

Stonbury is a specialist contractor in the water industry that designs, supplies, and delivers water infrastructure and environmental solutions for water utilities and public sector clients. It uses direct delivery, managing projects in-house from start to finish, to ensure high quality and efficiency while applying sustainable and low-carbon practices. What sets Stonbury apart is its combination of in-house project control, a clear focus on sustainability and environmental responsibility, a track record of awards and certifications, and a commitment to an inclusive, continuously trained workforce. The company's goal is to help provide clean, safe drinking water by delivering reliable, sustainable solutions and reducing the industry’s carbon footprint.

Company Size

201-500

Company Stage

N/A

Total Funding

N/A

Headquarters

Luton, United Kingdom

Founded

1983

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Simplify's Take

What believers are saying

  • Revenue rose 74% to £78 million by 2026, proving strong demand.
  • Headcount climbed from 281 to 443 across 10 locations since December 2022.
  • LDC and Federated Hermes funding gives Stonbury firepower for a buy-and-build spree.

What critics are saying

  • LDC's 2026 reinvestment demands acquisition execution; integration failures will crush margins.
  • Stonbury remains tied to UK water-company frameworks, exposing it to AMP8 procurement resets.
  • Severn Trent, United Utilities, and Thames Water pricing pressure can squeeze subcontractor economics through 2027.

What makes Stonbury unique

  • Stonbury spans potable water, wastewater, and environment across 37 frameworks by 2026.
  • Its 2024 Panton McLeod acquisition adds advanced inspection and cleaning capabilities.
  • Achilles Carbon Reduce certification and 2050 net-zero commitment reinforce its low-carbon positioning.

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Benefits

  • Paid Vacation
  • Health Insurance
  • Gym Membership
  • Dental Insurance
  • Employee Discounts
  • Parental Leave
  • Life Insurance
  • Disability Insurance
  • Commuter Benefits
  • Training Programs

Growth & Insights and Company News

Headcount

6 month growth

16%

1 year growth

16%

2 year growth

16%
PE Hub
Sep 30th, 2026
LDC reinvests in UK water specialist Stonbury, with Federated Hermes co-investing.

LDC reinvests in UK water specialist Stonbury, with Federated Hermes co-investing. Bedfordshire-based Stonbury maintains and repairs water assets, and its revenue has risen 74 percent to £78 million since 2022. 49 minutes ago

Insider Media
Sep 30th, 2026
Water specialist Stonbury secures fresh investment from LDC

Stonbury, a water and environmental sustainability specialist, has secured additional investment from private equity firm LDC. The funding round was led by David Bains, who was named Insider's East Midlands Dealmaker of the Year. The investment marks a continuation of LDC's support for the company, though specific financial details were not disclosed. Stonbury operates in the water sector, focusing on environmental sustainability solutions.

Stonbury
Aug 4th, 2024
Stonbury welcomes Sarah McMath as Non-Executive Director

Stonbury is delighted to announce the appointment of Sarah McMath as Non-Executive Director (NED).

LDC
Feb 19th, 2024
Stonbury announces acquisition of Panton McLeod

Stonbury, the water and environment sustainability specialist, is delighted to announce the acquisition of Panton McLeod, the industry-leading advanced inspection and cleaning specialist of public, commercial and industrial water assets.

The Business Desk
Feb 16th, 2024
LDC-backed environmental specialist's acquisition strengthens market position

Private-equity backed Stonbury has acquired Panton McLeod, known for its expertise in the inspection and cleaning of water assets.