People Advisor: HR Generalist, ER & People Strategy in London

About the Group

What’s Possible is the only harmonious group exclusively for marketers at entrepreneurial brands. It invests in and supports marketing services businesses in the UK, Europe and US. At the heart of the group is The Specialist Works, one of the UK’s largest independent media agencies. The group also includes What’s Possible Creative. Through its investment arm, Make Possible, the group invests in marketing services start‑ups – including retail media specialist Vector and US retail media business Connections.

Role Overview

As a People Advisor, you will provide clear, professional People advice across the employee lifecycle. Managing employee relations matters, recruitment and supporting wellbeing and family‑friendly practices. Acting as a trusted advisor to managers you will ensure that policies are applied consistently and in line with UK employment legislation to support a positive and compliant workplace culture.

Key Responsibilities

• Advising and coaching line managers in key People areas such as recruitment, employee relations, performance and absence management, employee engagement, change and wellbeing, providing support as required.
• Provide hands‑on management of ER cases, from initial advice through to resolution, including performance management, sickness absence, wellbeing, disciplinary and capability matters, maternity, and flexible working requests.
• Manage the end‑to‑end recruitment process, from requisition through to offer and onboarding.
• Promote and embed Diversity, Equity & Inclusion principles across People policies, processes, and everyday people practices.
• Support the design and delivery of the organisation’s Learning & Development (L&D) strategy in line with business objectives.
• Being a key decision maker and heading up meetings, giving sound direction and advice.
• Partnering with the Senior People Business Partner to embed People strategy in day‑to‑day operations.
• Act as the link between Payroll – ensuring smooth process.
• Use data, insights and emerging AI tools to drive informed decision‑making and improve People processes and outcomes, partnering with the People Operations Executive to implement.
• Manage wellbeing cases, including Occupational Health referrals.
• Partner with the People Operations Executive to update People policies, templates and documentation.
• Your role will include supporting green office practices, coordinating initiatives that enhance corporate social responsibility, and ensuring operations align with our sustainability and social responsibility values.

What We’re Looking For

• Confident managing cases and influencing stakeholders.
• Strong understanding of UK employment law.
• Communicates clearly, professionally and with confidence.
• An inquisitive mindset with a keen interest in data, insights and emerging AI tools.
• Experience working in a fast‑paced environment.
• CIPD level 3 minimum.
• Build strong relationships with managers, acting as a trusted People Advisor.
• Passionate about delivering the highest possible standards of service, with a positive ‘can do’ attitude.

Working Conditions

• A minimum of 3 days per week in the office.
• Some travel between offices – Kent, London and Bristol.
• We work a 9‑day fortnight, meaning staff have every other Friday off.
• We’ve built a benefits package that invests in our employees’ long‑term personal and professional growth and wellbeing.