Commercial Finance Analyst

Our Vision:
Continue to be the leading UK mobile infrastructure services company.

Our Mission:
To be famous for excellence in delivery, embracing transformation with our people and our customers at its heart.

We are at an exciting time in our company’s development. We've come a long way since we were first formed in 2012. From the rollout of new technologies and managing complex legislation affecting the industry, we are leading the conversation on innovation and developing sharper solutions to serve our customers better. We collaborate as a team to meet the high standards expected of us and demand the best of ourselves through our values.

About the Role Cornerstone is seeking an ambitious and analytically driven Finance Analyst to provide high-quality financial, commercial, and operational insight that helps optimise Overheads efficiency. Reporting to the Finance Manager, you will produce insightful management information, track performance against plan, highlight risks and opportunities, and support decision-making through clear, data-driven analysis. You will review processes and spend, identify areas for efficiency or cost control, and work closely with teams to drive improvements and ensure delivery against targets.

This is a hybrid role, with three days per week based in our Theale office in Berkshire. What Will You Do? You will support the Finance Manager and Business leads to provide clear, actionable financial insight that strengthens decision-making and drives performance. Regular Reporting Deliver timely, insightful, and action-oriented reporting for stakeholders. Analyse monthly Overheads performance, identify trends, risks, and opportunities.

Enhance existing reporting, dashboards, and KPIs to ensure they remain relevant and aligned to corporate objectives. Improve the speed, accuracy, and automation of reporting through tools such as Power BI. Month-end Activities Complete Month-end close activities including posting journals, prepayments, accruals and balance sheet reconciliations Act as Overheads primary point of contact for external auditors Maintain and improve internal financial controls Insight & Analysis Analyse business processes and spend to identify opportunities for efficiency and cost optimisation.

Provide high-quality analysis and recommendations that influence decisions and improve performance. Collaborate with a wide range of stakeholders to build strong business understanding and create valuable commercial insight. Forecasting & Planning Support the annual budget process and in-year forecasting cycles. Own, develop, and enhance forecasting and budget models, ensuring outputs are clear, robust, and well-understood. Challenge underlying assumptions with data-driven insight to improve forecast accuracy and efficiency.

Ideal Candidate Profile You will be highly analytical with a passion for data, strong attention to detail, and a genuine enthusiasm for interpreting numbers to drive business performance. You will bring excellent financial modelling capability and the confidence to analyse large datasets to produce meaningful insight. Essential Requirements Part qualified / newly qualified accountant (CIMA / ACCA / ACA) Inquisitive with good commercial acumen with a passion for value creation.

Excellent communication skills with the ability to engage, challenge and influence Highly analytical with strong modelling capability and attention to detail. Motivated, proactive, and a collaborative team player. Desirable Experience in telecoms, infrastructure, construction, or services industries. Exposure to financial systems, data visualisation tools (e.g., Power BI), or wider digital finance solutions.

Our commitment to Equity, Diversity, and Inclusion (EDI) is fundamental to our success. We strive to cultivate an inclusive environment where every employee feels valued, respected, and empowered. By embracing unique perspectives and experiences, we drive innovation and drive our organisation forward, therefore, we recognise the importance of welcoming applications from candidates of all backgrounds.

We want to ensure everyone is able to present their best self throughout the recruitment process so if you require any adjustments, please let us know.

If this role is of interest to you and you would like to find out more, please do apply with an up-to-date version of your CV