GAIN Customer Science - Sales & Business Support

This is Gain Ltd; London; On-site; GBP 125,000 - 150,000; Full time

Job summary

A consultancy firm in London seeks a proactive Business Support professional to assist the CEO and senior leadership team. Responsibilities include diary management, meeting coordination, and project support. The ideal candidate has proven experience, excellent organisational skills, and strong communication abilities. Join us to help improve business operations and support high-performance teams.

Benefits

Private Medical Insurance

BUPA Life Assurance

Income protection

Employee Assistance Programme

Cycle to Work salary sacrifice scheme

Tech & Wearables salary sacrifice scheme

Octopus EV Scheme

Discounts on various items

Qualifications

• Proven experience in an executive assistant or team support role.
• Excellent attention to detail and organisational skills.
• Strong written and verbal communication skills.

Responsibilities

• Provide administrative support to the CEO, including diary management.
• Coordinate meetings and manage communications across teams.
• Track project timelines and action points.

Skills

Organisational skills

Communication skills

Proficiency in Microsoft Office

Problem-solving

Job description

Reports to: CEO
Supports: CEO and Senior Leadership Team

About GAIN Customer Science

GAIN Customer Science partners with leading organisations to unlock customer value through data-driven insights and strategies. As we continue to grow, we are seeking a proactive and highly organised Business Support professional to ensure smooth internal operations and provide essential support to the CEO and leadership team.

Role Overview

This is a newly created, high-impact role focused on supporting the daily operations of the CEO and senior leadership. Blending executive assistance with administrative and operational facilitation, this role is key to enabling the leadership team to focus on strategic priorities and business performance.

Key Responsibilities

> Executive Support

Provide day-to-day administrative support to the CEO, including diary management and meeting coordination

Assist with the preparation of materials, presentations, and internal documents

Track priorities and actions on behalf of the CEO to ensure timely follow-up

> Meeting and Event Coordination

Schedule and coordinate meetings, board sessions and internal events

Ensure agendas, materials and participants are prepared in advance

Capture and circulate meeting notes, action points and follow-ups

> Operational and Administrative Support

Manage document filing, supplier correspondence, and system updates

Facilitate smooth workflow between teams and ensure records remain up to date

Support the implementation and improvement of internal processes

Document meeting and drive actions from outcomes

> Project and Task Coordination

Track timelines and outstanding actions across key projects and internal initiatives

Support operational planning and resource coordination as needed

Help keep teams aligned without assuming project ownership

> Communication and Internal Alignment

Ensure timely and accurate communication between the CEO, senior leaders and wider team

Prepare updates, reminders and summaries to support alignment and momentum

Identify bottlenecks and facilitate issue resolution

Essential Experience and Skills

Proven experience in an executive assistant, team support or operations role, ideally within a fast-paced or professional services environment

Excellent organisational skills and attention to detail

Strong written and verbal communication skills

High levels of professionalism, discretion and judgement

Confident using Microsoft Office

Proactive, reliable and able to work independently with minimal supervision

Personal Attributes

Calm and composed under pressure

Collaborative and service-minded, always ready to help

Resourceful and solution-focused

Committed to supporting a high-performance team environment

Good sense of humour!

Why This Role Matters

This is not a standard assistant role. It is a vital support function designed to improve how we operate as a business and how we show up for clients. With the right person in post, our leadership team will be better coordinated, more focused, and better able to deliver at pace.

Our benefits for UK employees include:

• Private Medical Insurance
• BUPA LifeAssurance
• Income protection
• Employee Assistance Programme
• Cycle to Work salary sacrifice scheme

• Tech & Wearables salary sacrifice scheme
• Octopus EV Scheme
• Discounts and deals on a range of items from hotels, holidays and hormone testing to cinema, gyms and will writing

Interested?
If you're looking for a role where you can work with some of the best minds in the industry – and help shape the future of a leading consultancy – we’d love to hear from you. Apply now.