Executive Assistant – Office Manager

Advancing Analytics

. Run the day-to-day operations of the London office .

Posted 11/3/2026full-timeLondon • United KingdomMid-LevelSenior💰 £45,000 - £55,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in executive support and office management, with a strong focus on coordinating events, managing budgets, and maintaining high standards of professionalism and discretion. Proficient in Microsoft 365 tools and experienced in engaging with senior stakeholders while ensuring smooth office operations.

Highest-signal resume keywords

Executive Support ExperienceEvent CoordinationBudget ManagementMicrosoft 365 ProficiencyStakeholder Engagement

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Diary ManagementMeeting CoordinationLogistics ManagementSupplier ManagementOffice Procedures MaintenanceBudget TrackingEvent PlanningWorkplace OrganisationDSE AssessmentsConfidential Information Handling

Soft Skills

Excellent Communication SkillsStrong JudgementDiscretionAttention to DetailService-Led Mindset

Tools & Technologies

Microsoft OutlookMicrosoft TeamsMicrosoft WordMicrosoft ExcelMicrosoft PowerPointMicrosoft Planner

Certifications & Qualifications

First Aid at Work CertificationFire Marshal CertificationIOSH Working Safely

Industry Keywords

Executive AssistanceOffice ManagementProfessional ServicesFast-Moving Technology BusinessWorkplace Health and Safety

About the role

Key responsibilities & impact

Run the day-to-day operations of the London office
Provide executive support to one or two senior leaders
Manage diaries, inboxes, meetings, travel, itineraries and expenses
Prepare agendas, meeting materials and client packs
Capture actions and follow up with owners
Coordinate priorities and provide agreed cover for the Executive Assistant
Build relationships with senior stakeholders, clients and external partners
Handle confidential information with discretion
Manage visitors, access passes, post, deliveries and couriers
Coordinate meeting rooms, room preparation, AV, video conferencing, catering and suppliers
Oversee facilities, supplier relationships, stock control, maintenance and workplace organisation
Support employee onboarding and offboarding, including workspace setup and access management
Manage office budgets, purchase orders, invoices and expenses
Act as primary contact for office IT and AV issues
Maintain office procedures, records and supplier information
Plan and deliver company, client and partner events
Coordinate venues, suppliers, catering, invitations, attendee communications and event materials
Maintain the events calendar and track budgets, purchase orders, invoices and deadlines
Provide on-site coordination for Growth, Marketing and Partnerships meetings and events
Support internal communications, celebrations, volunteering and culture initiatives
Maintain fire-safety records and evacuation procedures
Support fire drills and document monthly office safety checks
Maintain emergency contacts and first-aid supplies
Record and escalate workplace incidents and accidents
Coordinate DSE and workstation assessments and maintain out-of-hours access records

Requirements

What you’ll need

3–5 years' experience in Executive Support, Personal Assistance or a similarly broad coordination role
Ideally supporting senior leaders in a fast-moving technology business
Ability to manage competing priorities, anticipate needs and deliver reliably with limited supervision
Excellent written and verbal communication skills
Confidence engaging senior internal and external stakeholders
Strong judgement, discretion and professionalism when handling confidential or sensitive information
Experience coordinating internal, client or partner events
Experience managing suppliers, logistics and budgets
Practical, service-led mindset with high standards and close attention to detail
Strong working knowledge of Microsoft 365, particularly Outlook, Teams, Word, Excel, PowerPoint and Planner
Flexibility to occasionally work outside core hours to support specific events
Desirable: experience supporting a director-level or C-suite leader
Desirable: experience in a fast-growing professional services environment
Desirable: experience using finance, expense or procurement systems
Desirable: working knowledge of UK workplace health and safety requirements, such as IOSH Working Safely
Desirable: current first aid at work or fire marshal certification

Benefits

Comp & perks

Industry matching Maternity & Paternity policy
Private Medical & Dental Care
Eye care scheme
Health & Well-being supplement
25 Days Annual Leave
Birthday Leave
Charity Leave
Away days with the team
Flexible Working Hours
Electric Car Scheme
Hands-on access to technology and learning opportunities
Long-term investment in employee development
Opportunities to speak at industry events and participate in the wider data and AI community