International auditing firm is looking for experienced and highly organised French speaking HR and Office Manager to lead HR operations, payroll and benefits administration, while also managing the day-to-day operational running of their London office. This is a hands-on role covering payroll, pensions, benefits, Onboarding, HR administration, visas, compliance and Office Management. You will work closely with the Partners, Finance team, the HR Business Partner and the HR team to maintain accurate processes, ensure legal UK compliance, compliance with the French rules and support business continuity. You will also supervise a small team.ROLE of the HR and Office Manager:Payroll Administration and Pension and Benefits administrationMonthly preparation and payroll liaison with the external payroll bureau. Quarterly projection of salary budget for the Financial Year.Yearly annual salary budget liaising with the PartnersAct as the main contact for benefits providers.Monitor employee benefit data, new joiners, leavers and contractual changes.Approve and monitor monthly benefits and pension invoices.Joiner and LeaversConduct physical onboarding and exit meetings with the HRBP and HR team.Oversee staff record maintenance in HR tools by the HR team.Visa AdministrationManage visa allocation, renewals, sponsorship and immigration matters.Liaise with immigration consultants when required.Quarterly audit of passport and visa data.Administration and ComplianceEnsure contracts, offer lette