Executive Assistant / Office Manager Gresham Legal - Litigation Law Firm Full-time, based in London Office Overview We are a boutique litigation law firm, advising on complex and high-value disputes. We are seeking an experienced Executive Assistant / Office Manager to take a central role in supporting the partners and ensuring the effective day-to-day operation of the firm. The role combines senior-level executive assistance with responsibility for office management, financial administration, and practice support. It will suit an individual with prior experience in a law firm or professional services environment who is confident operating with autonomy and judgment. Key elements of the role include: High-level executive support to partners Office and facilities management Legal cashiering and billing administration using Cashroom and Efimis Practice and matter administration Marketing, CRM, and business development support HR and people-related administration Role Purpose The Executive Assistant / Office Manager is responsible for providing senior, proactive support to the partners while overseeing the operational, administrative, and financial infrastructure of the firm. The role requires a strong understanding of how a litigation practice operates, including partner workflows, billing cycles, client service expectations, and regulatory discipline. Key Responsibilities Executive & Partner Support: Act as primary executive support to partners, manage complex diaries, workflows, correspondence, and action tracking; act as a trusted gatekeeper. Office Operations: Oversee daily facilities, front-of-house, client hospitality, supplier relationships, and health & safety compliance. Finance & Cashiering: Day-to-day administration, legal cashiering via Cashroom and billing/invoicing via Efimis monitor WIP, and drive timely billing and liaise with finance providers. Practice Administration: Oversee administrative processes and optimise the iManage document management system. Marketing & Business Development: Coordinate pitches, firm-wide marketing and business development, directory submissions, CRM data integrity, and client events. HR & IT Logistics: Handle day-to-day HR administration and act as first point of contact for queries (recruitment, onboarding, records, training) and serve as the on-site liaison for outsourced IT. Process Improvement: Optimise Microsoft 365 usage and identify operational efficiencies. Requirements Significant experience as an Executive Assistant, Office Manager, Practice Manager, or senior legal support professional. Prior experience within a law firm or professional services environment. Practical experience using Cashroom for legal cashiering and Efimis for client billing. Strong understanding of billing cycles, WIP management, and financial administration in a legal practice. Experience with document management systems, ideally iManage. Advanced proficiency in Microsoft 365 (Outlook, Word, Excel, Powerpoint, Teams). Excellent organisational, drafting, and prioritisation skills. High level of discretion and sound judgment when handling confidential matters. Proactive, reliable and highly organised. Please see full job description attached below