Important: Please only apply if you are able to work on-site at our London office every working day. This is a fully office-based role with no option for remote work.About G-20G-20 Group is a cross-asset trading firm headquartered in Switzerland, trading delta-one and derivatives markets globally. We combine startup agility with institutional-grade experience in proprietary trading, technology, and quantitative finance.Role OverviewWe are seeking a strategic and hands-on Finance & Treasury Lead to oversee the Group’s global finance function, with particular responsibility for its Swiss and UK entities and oversight of a complex international, multi-entity environment. The role combines leadership of the finance team with hands-on ownership of financial control, accounting, reporting, treasury, payroll, billing, payments, compliance, audit readiness, budgeting, forecasting, and process improvement. The successful candidate will be a trusted adviser to senior management and will ensure the finance function provides accurate information, strong controls, effective operational support, and scalable processes for the Group.Key ResponsibilitiesProvide responsive finance support to management, counterparties, partners, and internal stakeholders during normal business hours and, where circumstances reasonably require, outside standard hoursMaintain high standards of work ethic, execution, reporting, risk awareness, confidentiality, and financial governance appropriate to a financial markets businessWork cross-functionally with Legal, Operations, Trading, management, and other teams to support new products, jurisdictions, legal entities, structures, and business initiativesMaintain and develop the Group’s accounting systems, including SoftLedger, and establish effective finance processes, controls, review procedures, and automation to improve efficiency, accuracy, reliability, and scalabilityManage relationships with tax authorities, financial regulators, banks, payroll providers, compliance consultants, local accountants, and other third-party finance providersResearch, document, and resolve complex technical accounting matters and maintain appropriate accounting policies and supporting documentationCoordinate external and statutory audits, including audit planning, preparation of supporting schedules, resolution of technical accounting matters, and management of relationships with auditorsEnsure compliance with applicable financial, regulatory, tax, and statutory obligations across the Group, including Swiss and UK requirements and relevant FINMA, FCA, HMRC, and tax authority processesEnsure timely and accurate processing and control of global payroll, billing, supplier payments, employee expenses, and related finance operations, with appropriate oversight of local statutory requirementsOversee cash flow, treasury, and liquidity management across multiple jurisdictions, entities, banks, and currenciesPrepare and oversee timely financial statements, management reporting, and internal performance dashboardsIn conjunction with Operations, manage the Treasury system, ensuring daily reconciliation of all desk positions and integrating non-trading cash and equity movements into Treasury reportingDevelop and monitor forecasts, analyse variances, and provide financial analysis, challenge, and recommendations to support strategic decision-making, business performance, and cost controlEnsure complete and accurate capture of the Group’s different revenue sources in the ledger, working closely with Operations and Trading as requiredMaintain the accuracy and integrity of general accounting across multiple global offices, including accounts payable, general ledger, payroll, fixed assets, investments, and other key accounting recordsOwn the month-end and year-end close across the Group, including preparation and review of journal entries, accruals, prepayments, provisions, account analysis, and bank, crypto wallet, company card, balance sheet, and other complex account reconciliations; ensure discrepancies are investigated and resolved promptlyLead, mentor, and manage the finance team, with responsibility for accounting, payroll, billing, payments, financial control, reporting, and the effective allocation, review, coverage, and handover of workRequirementsRecognized accounting qualification (e.g., CPA, ACA, ACCA, or equivalent)Minimum 7 years’ experience in finance, preferably within a trading or financial services environmentExperience of working in international and regulatory environmentsStrong understanding of cross-border payroll, global payments, and multi-entity structuresProven leadership capabilities, with a track record of managing teams and external vendorsStrong interpersonal, problem-solving, and communication skillsRight to work: This role is based in our London office. Only candidates who reside in and who possess the pre-existing right to work in the UK without requiring company sponsorship need apply.Join G-20 Group and be a part of a team that is at the forefront of financial markets, driving innovation and excellence in the sector.