Office Manager / Executive Assistant

Location: Mayfair
Salary: £40,000 - £50,000 discretionary bonus (25–60%)
Working Pattern: 4 days in office / 1 day WFH

About the Company

A highly regarded boutique multi-family office and investment management firm based in Mayfair. With a close-knit team of around 14 professionals, the firm offers a collaborative, family-oriented culture where most employees have long tenures (9+ years). The environment is relaxed yet professional, with a strong emphasis on teamwork.

The Opportunity

We are seeking an experienced and proactive Office Manager / Executive Assistant to join the firm during a period of transition, working closely alongside the current Office Manager to ensure a smooth handover.

This is a varied and dynamic role, combining office management, executive support, and light operational responsibilities. The successful candidate will be someone who enjoys being the “go-to” person in the office, with a flexible, hands-on approach and a willingness to support across all areas of the business.

Key Responsibilities

Office Management (40%)

• Oversee the day-to-day running of the office

• Manage office supplies, vendors, and facilities (e.g. printers, phones, utilities)

• Ensure the office environment is well-organised, fully stocked, and running smoothly

• Act as the central point of contact for general office needs

Executive Assistant Support (40%)

• Provide support to senior management, including diary and travel coordination

• Assist with scheduling meetings and managing calendars where required

• Support ad hoc administrative tasks across the team

• Build strong working relationships with stakeholders across the business

Operations Support (20%)

• Assist with payment processing and basic financial administration

• Liaise with the operations team on relevant tasks

• Provide additional support in operational processes where needed

Additional Responsibilities

• Support internal events and social activities

• Contribute to maintaining a positive, inclusive office culture

• Take ownership of the role and proactively identify areas for improvement

Candidate Profile

• Proven experience as an Executive Assistant, Office Manager, or similar role

• Highly organised, proactive, and adaptable

• Comfortable using Microsoft Office and Teams

• Strong interpersonal skills with a collaborative, “no task too small” mindset

• Experience in a small, boutique environment preferred

• Additional language skills (particularly Russian or Eastern European languages) are advantageous

• Events experience is desirable

Working Hours

• Standard hours: 8:30am – 5:30pm

• Flexible, output-driven culture 

What’s on Offer

• Competitive base salary 

• Discretionary bonus typically ranging from 25%–60%

• Supportive, long-tenured team with a strong family culture

• Opportunity to make the role your own and have real impact within the business

• 100 pounds a month towards gym membership, Bupa healthcare, pension etc

REF: HT167891