People Business Partner - US in City of Westminster

Together Group is an internationally renowned collective of creative and communications agencies, with offices in London, New York City, Miami, Los Angeles and Hong Kong. We deliver integrated communications, creative, and digital strategies for leading global brands and next‑generation talent across the fashion, beauty, lifestyle, and luxury sectors.

We combine commercial insight with cultural intelligence to build meaningful brand narratives and drive long‑term business success. We are now seeking a proactive and strategic People Team Business Partner to join our growing team.

The People Business Partner serves as a strategic partner to designated business units across the organisation, aligning people strategies with business objectives. This role provides comprehensive HR guidance to support effective leadership and team performance.

Reporting into the Chief People Officer, this role will oversee HR support across the US (including New York, Los Angeles, Florida and Miami), while being based in our London office. Working hours are aligned to Eastern Standard Time (11:00am–7:30pm GMT/BST, with flexibility), ensuring strong day‑to‑day collaboration with US teams. The role requires 3 days per week in the London office, with quarterly travel to the US. The position operates in a multi‑site, highly collaborative environment, working across agencies and functions.

Key Responsibilities

• Strategic Partnering
  • Partner with senior leadership to develop and implement people strategies aligned with business goals
  • Work effectively across organisational silos and multiple agencies, driving alignment and consistency
  • Provide expertise in organisational development, workforce planning, and restructuring initiatives
• HR Systems & Operations
  • Lead and support HR systems rollouts and optimisation, with a strong preference for experience with Sage People or Bob (HiBob)
  • Drive operational excellence across people processes, payroll, and HR administration
  • Ensure scalable and efficient systems to support a growing, international workforce
• Employee Relations
  • Act as a trusted advisor to employees and managers across the full employee lifecycle
  • Manage and resolve complex employee relations cases, including investigations and risk mitigation
  • Coach managers on performance, engagement, and best practice
• Talent Management
  • Oversee the full employee lifecycle including onboarding, engagement, development, and offboarding
  • Partner with Global Head of Talent Acquisition to attract and retain top talent
  • Deliver a high‑quality, consistent onboarding experience
• Performance & Development
  • Lead and facilitate end‑to‑end performance review cycles, including objective setting, mid‑year check‑ins, and year‑end evaluations
  • Design and deliver line manager training programmes, equipping managers with the skills to have effective performance conversations, give meaningful feedback, and manage underperformance
  • Build and maintain a suite of manager development resources, toolkits, and guides to support consistent people management practice across the business
  • Partner with leadership to identify capability gaps and design targeted learning interventions
  • Support succession planning and long‑term talent development strategies
  • Coordinate and deliver learning and development initiatives, including workshops, e‑learning, and on‑the‑job learning programmes
  • Own the L&D calendar, managing scheduling, communication, and evaluation of training activity
  • Measure and report on the effectiveness of learning programmes, using data to continuously improve
• Compensation, Benefits & Payroll
  • Oversee all US benefits provision, including health, dental, vision, 401(k), and ancillary benefits, managing broker relationships and annual renewal processes
  • Support compensation and benefits design and administration
  • Oversee and contribute to payroll processes, ensuring accuracy and compliance
  • Ensure alignment with internal frameworks and external market practices
• Change & Transformation
  • Lead and support organisational change and restructuring programmes
  • Guide leadership through change with clear communication and practical implementation strategies
• HR Policy, Compliance & Data
  • Develop and maintain HR policies and procedures
  • Ensure compliance with UK employment legislation, as well as working knowledge of US employment law across key states, including California, Florida, New York City
  • Analyse HR data and metrics to inform decision‑making and present insights to senior leadership

Skills, Knowledge and Expertise

• 5+ years of HR experience, including at least 2 years in a Business Partner role within an agency or fast‑paced environment
• Minimum 4 years' experience working directly with US‑based workforces, with a strong understanding of the US employee experience
• Strong experience working across large, multi‑site or multi‑agency organisations
• Proven expertise in employee relations, organisational development, and HR operations
• Demonstrated experience managing complex ER cases
• Experience with HR systems implementation, ideally Sage People or Bob (HiBob)
• Strong working knowledge of UK employment law, with familiarity with US employment law (California, Florida, NYC preferred)
• Experience managing or supporting payroll processes
• Demonstrated experience designing and delivering L&D programmes, including line manager training, performance review processes, and capability‑building initiatives

Skills

• Able to establish trust and confidence quickly across all levels of the organisation, building credible relationships from day one
• Strong stakeholder management with the ability to influence senior leadership
• Commercially minded with a strategic and hands‑on approach
• Excellent communication, problem‑solving, and conflict resolution skills
• Ability to navigate complexity and work across multiple teams and locations
• High level of discretion and professionalism
• Strong analytical and project management capabilities
• Adaptable and resilient in a fast‑paced, evolving environment
• Comfortable working across time zones and collaborating with international teams

Working Conditions

• Based in London, UK
• Hybrid working model: 3 days per week in the London office
• Hours aligned to Eastern Standard Time: 11:00am–7:30pm GMT/BST (flexible)
• Quarterly travel to the US required