British Solar Renewables

Assistant Cost Manager

Join British Solar Renewables in Shepton Mallet as an Assistant Cost Manager. Support financial management of UK and international projects by tracking costs, updating reports, and collaborating with teams. Enjoy hybrid work options, social events, and a strong benefits package including private health insurance and bonuses.

British Solar Renewables

Company Overview

Name

British Solar Renewables (BSR), privately held

Headquarters

Shepton Mallet, Somerset, United Kingdom

Founded

2010

Size

Approximately 150 employees (source: leadiq.com).

What They Do

British Solar Renewables (BSR) specializes in the development, construction, operation, and maintenance of utility-scale solar parks, battery energy storage systems (BESS), and onshore wind projects. The company has established itself as a fully integrated independent power producer, delivering over 900MW of solar projects that power more than 200,000 households annually. BSR's technology focus includes hybrid projects that optimize land use and energy output, integrating solar, BESS, and wind technologies to enhance resilience and capacity factors (source: britishrenewables.com).

BSR's services encompass the entire project lifecycle, from site identification and design to construction and long-term operations. The company has developed significant partnerships, including power purchase agreements (PPAs) with major corporations like Shell and HSBC, which further solidifies its position in the renewable energy market. Additionally, BSR is exploring green hydrogen production, showcasing its commitment to innovation and sustainability (source: ukhea.co.uk).

Target markets for BSR include UK landowners, farmers, investors, and industrial off-takers across various sectors such as industry, transport, and heating. The company has also expanded its geographic presence internationally, with operational plants in the Northern Territory, Australia, indicating a strategic move towards global renewable energy solutions (source: britishrenewables.com).

Projects & Track Record

BSR has completed notable projects such as Shotwick Solar Park, Batchelor Solar Farms, and Preston Solar Park, contributing to a total operational capacity of over 900MW solar and 120MW storage across more than 60 solar parks. The company is currently managing a significant portfolio of ongoing projects, including a 609MW portfolio of 12 solar and co-located solar-BESS sites, which is financed by a £345 million debt facility secured in 2024. This portfolio is expected to generate approximately 600GWh annually, providing energy for around 160,000 homes and reducing CO₂ emissions by 140,000 tonnes each year (source: britishrenewables.com).

BSR's strategic partnerships with key clients and stakeholders, including PPAs with Shell and HSBC, have been instrumental in its growth and project success. The company collaborates with module and inverter manufacturers, as well as landowners, to develop hybrid sites that maximize efficiency and output. This collaborative approach, combined with financial backing from ICG Infrastructure, positions BSR as one of the UK's largest integrated solar and storage developers, with over 700MWp built to date (source: ukhea.co.uk).

Recent Developments

In the past two years, BSR has achieved significant milestones, including securing financial close on a £345 million debt facility for its 609MW solar-BESS portfolio, marking one of the largest hybrid financings in the UK renewable sector. This financing validates BSR's scale and capability as a leading platform in the industry. Additionally, the acquisition of a majority stake by ICG Infrastructure in July 2022 has provided the company with growth capital, allowing it to expand its operations and project portfolio without disclosing specific terms (source: cbinsights.com).

Despite these advancements, there have been no reported mergers, additional funding rounds, or awards in recent sources beyond these key developments. BSR continues to focus on its core mission of delivering sustainable energy solutions while maintaining its commitment to community engagement and environmental stewardship (source: bsrstretchford.co.uk).

Working There

BSR offers a diverse range of roles across various departments, including engineering, ecology, project management, planning, construction, operations, and maintenance. The company emphasizes a full-lifecycle model for its solar, wind, BESS, and hybrid projects, supported by a team with decades of experience in the renewable energy sector. Hiring primarily occurs at its Shepton Mallet headquarters and various UK project sites, reflecting the company's commitment to local job creation and community involvement (source: britishrenewables.com).

BSR's company culture is characterized by a mission-driven approach, with a strong focus on collaboration with landowners and communities. The team is dedicated to long-term project stewardship and fostering relationships that benefit both the company and the regions in which it operates. While specific employee benefits packages are not publicly documented, the emphasis on local engagement and sustainable practices is evident in BSR's operations (source: bsrstretchford.co.uk).


Last updated on Feb 23, 2026 | Report an issue

Job Description

We are looking for a highly organised and detail-focused Assistant Cost Manager to support the successful financial management of our UK and international projects. This is an excellent opportunity for someone seeking to develop their career in cost management, finance, or project controls within a fast-paced and growing business.

Working closely with our Cost Manager, Quantity Surveyors, Contracts Managers, and wider operational teams, you'll play a key role in ensuring project costs are accurately recorded, monitored, and reported.

What you'll be doing

As an Assistant Cost Manager, you'll support the day-to-day cost management of multiple projects by:

  • Updating invoices and purchase orders within project cost reports in a timely manner
  • Allocating costs to the correct cost packages to support effective budget management
  • Working collaboratively with teams across the business to ensure accurate cost allocation
  • Assisting with project forecasting and highlighting changes in spend as they arise
  • Monitoring project expenditure against invoices received
  • Providing ad hoc credit control support when required
  • Participating in regular meetings with Quantity Surveyors and Contracts Managers
  • Producing project cost information for stakeholders, including senior management
  • Updating monthly spend reports for Project Managers

What We're Looking For

We're interested in hearing from candidates who are:

  • Currently studying towards an AAT qualification, or
  • Have previous experience within a finance, accounts, project support, or project administration role

Key Skills

  • Confident user of Microsoft Office, particularly Excel
  • Strong communication and interpersonal skills
  • Excellent attention to detail and accuracy
  • Ability to prioritise and manage a varied workload
  • Able to work independently and as part of a team
  • Strong organisational and time management skills
  • Full UK driving licence

What you'll get from BSR

  • Monthly social events, including team lunches, breakfasts, volunteering days, and Christmas and summer parties.
  • Hybrid working options where role requirements allow.
  • Enhanced maternity, paternity and adoption policies.
  • Annual bonus scheme to recognise your contribution.
  • Employee referral scheme.
  • Employee Assistance Programme with 24/7 support.
  • One funded professional membership per year.
  • 25 days' annual leave plus bank holidays, with the option to roll over up to 5 days.
  • Long service recognition scheme.
  • Private health insurance.
  • Life insurance.
  • Pension.

We encourage you to apply as soon as possible, as this advert may close early if we receive a high number of applications.

Our commitment We're proud to be a workplace where individuality is valued. If you're motivated by our purpose and feel you could contribute, we encourage you to apply, even if you don't meet every requirement.

Apply now

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About the role

August 26, 2026

August 26, 2026

Contract position

Hybrid

Company

Smart Grid

British Solar Renewables

britishrenewables.com

  •  Shepton Mallet, United Kingdom

Entry-level or relevant experience required

UTC+01:00