Administrative & HR Assistant

Company: OMB Holdings
Apply for the Administrative & HR Assistant
Location: London
Job Description:

Job Description

Administrative & HR Assistant OMB Holdings · London – Hybrid · Full-time

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OMB Holdings is a privately held investment and holding company overseeing a portfolio of businesses across several sectors, including consumer brands, property technology, distribution, financial trading and automotive. We are a small, fast-moving team and we are looking for an organised, discreet and dependable Administrative & HR Assistant to support the group's leadership and day-to-day operations.

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This is a hands-on role for someone who enjoys being the organisational backbone of a business — keeping things running, staying on top of detail, and supporting the team across several companies at once.

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THE ROLE

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You will provide administrative and HR support across the group and its businesses, working directly with senior leadership. No two days are the same, and the role spans a genuine mix of responsibilities.

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Administrative

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  • Managing diaries, scheduling meetings and coordinating travel for the leadership team
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  • Organising and maintaining company records, files and documents
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  • Preparing documents, correspondence and basic reports
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  • Acting as a point of contact for internal and external queries
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  • Supporting the smooth running of the office and day-to-day operations
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  • Processing expenses, invoices and general administrative tasks
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HR support

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  • Helping to coordinate recruitment — arranging interviews, managing candidate communication and preparing onboarding paperwork
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  • Maintaining employee records accurately and confidentially
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  • Supporting onboarding for new starters
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  • Keeping HR documentation and administrative processes organised and up to date
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  • Assisting leadership with day-to-day people and HR matters
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Because we are a group of businesses, you will work across several companies, so the ability to juggle priorities and switch context is important.

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WHAT WE'RE LOOKING FOR

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  • Previous experience in an administrative, office support or HR assistant role
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  • Highly organised, with strong attention to detail
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  • Able to handle confidential information with discretion and professionalism
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  • Confident communicator, both written and verbal
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  • Comfortable working across multiple tasks and priorities at once
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  • Proficient with Microsoft Office / Google Workspace
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  • A proactive, can-do attitude and willingness to take ownership
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Useful but not essential:

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  • Experience in a start-up, SME or multi-company environment
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  • Exposure to HR administration or an interest in developing in HR
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THE DETAILS

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Location: London, Hybrid

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Type: Full-time

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Reporting to: Group leadership

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We offer the chance to work closely with senior leadership across a growing group of businesses, with genuine variety and the opportunity to grow with the company.

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TO APPLY

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Please apply through LinkedIn with your CV and a short note on why the role suits you. We review applications on receipt and will be in touch with suitable candidates.

Posted: August 21st, 2026