Office Assistant in London

We are looking for a proactive and highly organised Office Assistant to support the day-to-day running of our London office as well as our people operations. This is a varied, hands‐on role ideal for someone with at least 2 years' experience who is looking to further develop their career within a fast-growing, international environment. You will play a key role in ensuring a smooth employee experience across the full lifecycle, while maintaining a professional, well‐organised office environment.

Key Responsibilities

• Office & Workplace Support
  • Support the day-to-day running of the London office, ensuring a professional and welcoming environment.
  • Manage office duties, including welcoming visitors and handling general enquiries.
  • Coordinate mail, deliveries, and couriers.
  • Monitor and order office supplies and liaise with suppliers and contractors.
  • Support the maintenance of a safe, compliant, and well-functioning workplace.
  • Maintain health & safety and compliance records.
  • Support with the implementation of office policies and procedures.
• Events & Administrative Support
  • Support the organisation of internal events, team activities, and company initiatives.
  • Assist with client events, including logistics and coordination.
  • Provide general administrative support and assist with ad‐hoc projects.
• People Administration & Recruitment Support
  • Act as the first point of contact for HR‐related queries, providing guidance or escalating where appropriate.
  • Manage the HR inbox, ensuring timely responses and accurate record-keeping.
  • Support the full employee lifecycle, including onboarding, induction coordination, changes to employment, and off‐boarding.
  • Assist with payroll preparation and employee benefits administration.
  • Ensure records are accurate, up to date, and compliant with UK GDPR and employment regulations.
  • Coordinate interviews and manage recruitment administration via the ATS (e.g. Greenhouse).
• HR Operations & Support
  • Maintain and update HR templates, policies, and internal documentation.
  • Manage the HR team calendar, including key meetings, reviews, and deadlines.
  • Continuously improve administrative processes to enhance efficiency and organisation.

About You – Education & Experience

• Minimum 2 years' experience in HR administration, office coordination, or a similar role.
• Relevant qualification in HR, Business Administration, or similar (preferred but not essential).

About You – Skills & Competencies

• Organisational skills – ability to manage multiple tasks, maintain documentation, and keep office systems tidy.
• Communication skills – clear and professional verbal and written communication; ability to build rapport with stakeholders.
• Problem‐solving – ability to identify issues, escalate appropriately, and support resolution.
• Technical proficiency – comfortable using Microsoft Office Suite (Word, Excel, Outlook, PowerPoint) and basic office technology.
• Adaptability – able to adjust priorities in a fast‐paced, dynamic office environment.
• Attention to detail & discretion – accurate, thorough, and able to handle confidential information professionally.
• Customer service – friendly and approachable demeanour when dealing with internal and external stakeholders.
• Confidentiality – ability to handle sensitive information with discretion.

What we offer

• Competitive salary (depending on experience).
• Hybrid working environment (3 days in the office).
• Opportunity to grow within a global data & AI consulting company.
• Exposure to both HR and business operations.
• Collaborative and inclusive culture.