Executive Assistant/ Office Manager

Bain and Gray; City Of London; Hybrid; GBP 70,000 - 80,000; Full time

Benefits offered by this job

Discretionary bonus

Benefits package

Job summary

Bain and Gray in London is seeking an experienced Senior Executive Assistant / Office Manager to support the founders and senior leadership. This office-based role offers a flexible arrangement and a senior, execution-focused environment where you will keep the fast-paced business running smoothly.

You will oversee executive support and day-to-day office operations, coordinating travel, events, onboarding, and administrative tasks for a high-growth tech company.

Qualifications

• Proven experience as a Senior Executive Assistant, Personal Assistant or EA/Office Manager.
• Excellent organisational skills with meticulous attention to detail.
• Proactive and resourceful with ability to prioritise multiple demands.
• Excellent communication and discretion with confidential information.

Responsibilities

• Manage complex diary and calendar across multiple time zones.
• Coordinate end-to-end international travel (flights, accommodation, visas, itineraries).
• Organise meetings, events, offsites and leadership dinners.
• Oversee day-to-day London office operations; liaise with suppliers and building management.
• Coordinate onboarding logistics for new employees (equipment, first day setup).
• Process expenses and invoices; provide administrative support to leadership.
• Manage inboxes and act as gatekeeper for senior executives.
• Provide ad hoc business and personal support as required.

Skills

Diary management

Travel coordination

Event coordination

Office management

Expense processing

Vendor liaison

Gatekeeper

Confidential handling

Job description

Senior Executive Assistant / Office Manager | London

Location:London, Londo Bridge (office-based with flexibility)
Job Type:Full-time | Permanent
Salary:£70-80,000 (DOE) + discretionary bonus + benefits

VB7469

An exciting opportunity has arisen for an experiencedExecutive Assistant / Office Managerto join a high-growth technology company based in London.

Supporting the founders and senior leadership team, this is a pivotal role for someone who thrives on organisation, logistics and keeping a fast-paced business running smoothly. This is a senior, execution-focused position—not a Chief of Staff role—and is ideal for an experienced EA who enjoys being the operational engine behind a leadership team.

The Role

You’ll be responsible for providing seamless executive support while overseeing the day-to-day operations of the London office. Working in a collaborative, ambitious environment, you’ll ensure priorities are managed effectively and nothing falls through the cracks.

Key Responsibilities

• Complex diary and calendar management across multiple time zones.


• End-to-end international travel coordination, including flights, accommodation, visas and itineraries.


• Organising meetings, company events, offsites and leadership dinners.


• Managing the day-to-day running of the London office, liaising with suppliers, vendors and building management.


• Coordinating onboarding logistics for new employees, including equipment and first-day setup.


• Processing expenses, invoices and providing administrative support to the leadership team.


• Managing inboxes and acting as a trusted gatekeeper for senior executives.


• Providing ad hoc business and personal support as required.

About You

You’ll have:

• Proven experience as a Senior Executive Assistant, Personal Assistant or Executive Assistant/Office Manager.


• Experience supporting founders or senior executives within a startup, scale-up or fast-paced commercial environment.


• Exceptional organisational skills with meticulous attention to detail.


• A proactive, resourceful approach and the ability to prioritise competing demands.


• Excellent communication skills and complete discretion when handling confidential information.


• Confidence managing both executive support and office operations.


• An interest in technology or emerging industries would be advantageous, although not essential.

What's on Offer

• Competitive salary with discretionary bonus.


• A varied, high-impact role with genuine responsibility.


• Opportunity to work closely with an experienced leadership team.


• Collaborative, ambitious and fast-paced working environment.


• Long-term career opportunity within a growing business.

If you’re an experienced Executive Assistant who enjoys taking ownership, solving problems and creating order in a dynamic environment, we’d love to hear from you.