Senior Accounting Manager in London

The Senior Accounting Manager will play a critical role in building and operating a high-performing, in-house finance function at GreenScale. Reporting to the Director of Accounting, this role is responsible for the integrity of group financial reporting, including ownership of month-end processes, IFRS-compliant consolidation, and financial control across a multi-entity international structure. This role sits at the centre of the finance function—combining hands-on technical execution with process design and team leadership. You will work closely with senior stakeholders to ensure financial information is accurate, reliable, and supports effective decision-making. This is a role for someone who is comfortable operating in a growing, evolving environment, where structure is still being built and high standards are expected from day one.

Key Responsibilities

• Group Reporting & Consolidation (IFRS) - Own the preparation of monthly group consolidation under IFRS, including intercompany eliminations, multi-currency adjustments, and resolution of intercompany differences. Ensure outputs are accurate, well-documented, and audit-ready.
• Month-End Close & Financial Control - Lead and continuously improve the month-end close process, ensuring timely and high-quality financial reporting. Maintain strong balance sheet integrity and a robust financial control environment across all entities.
• Finance Function Build & Process Design - Support the transition from outsourced providers to an in-house finance model. Design and implement scalable processes, controls, and policies to support long-term growth and operational autonomy.
• Management Reporting & Business Insight - Deliver clear, business-facing financial reporting, including P&L, balance sheet analysis, and commentary. Translate financial data into meaningful insights for senior stakeholders.
• Payments Oversight & Governance - Oversee the payment process and review outputs from the Finance Analyst, ensuring compliance with internal controls and audit standards.
• Audit & Statutory Reporting - Lead preparation for year-end audit and statutory reporting across multiple entities. Act as a key point of contact for external auditors and ensure all documentation and processes meet required standards.
• Team Leadership & Development - Provide technical guidance and day-to-day support to the Finance Analyst, setting clear expectations and maintaining high standards of output and accountability.

Key Skills & Qualifications:

Essential Skills & Experience

• Fully qualified (ACA / ACCA / CIMA)
• Strong, hands-on experience preparing or owning group financial statements under IFRS
• Proven experience in: Group consolidation, Multi-entity and multi-currency reporting, Intercompany eliminations and reconciliations
• Strong working knowledge of key IFRS standards (including IFRS 10, IFRS 15, IFRS 16, IAS 21)
• Advanced experience with ERP systems (NetSuite preferred)
• Proven ability to build, improve, and operate financial processes in a growing business

Desirable Skills & Experience

• Experience transitioning from outsourced to in-house finance functions
• Background in infrastructure, energy, construction, or capital-intensive environments
• Experience working in an investor-backed or high-growth business
• Involvement in ERP implementation or system transformation projects

Desired Attributes

• Ownership at Scale – You take accountability for outcomes across the finance function
• Comfort with Ambiguity – You can build structure where it doesn’t yet exist
• Technical Credibility – You can confidently engage with auditors and defend IFRS positions
• Commercial Awareness – You understand how finance supports business decisions
• Constructive Challenge – You are comfortable challenging stakeholders and influencing outcomes
• Leadership Mindset – You set high standards and support others to meet them

Why Join GreenScale?

GreenScale offers you the chance to build the future of sustainable digital infrastructure. But it’s not just what we’re building that sets us apart, it’s how we’re building it. You’ll join a team that moves quickly but thoughtfully, where you can have a real impact and still feel like a human being, not just a job title. You’ll work alongside great people who care about doing things the right way: for the business, the environment, our communities, and each other. We also believe great work happens when people feel supported and invested in—personally and professionally. That’s why, despite being so young, we already offer a valuable and supportive benefits package:

• Competitive base salary
• Annual performance bonus based on individual and company performance
• 27 days’ annual leave, plus public holidays
• Private medical insurance via BUPA—including dental and full family cover
• Workplace pension with 1:2 employer matching contributions, up to 10% maximum from the company
• 3x salary life insurance, plus critical illness and long-term sickness/disability cover
• 24/7 digital GP and mental health support through WeCare
• Smart Rewards and Bupa Rewards, offering discounts on a wide range of products and services

While the exact benefits may vary by country, we’re committed to offering a comparable package across Europe, enhancing statutory provisions in a meaningful way to support our people wherever they’re based.