Building an HR function in a private equity backed start-up is not just about hiring your first HR leader. It’s about setting a clear HR operating model that supports growth, compliance and culture from day one. In this playbook, you’ll learn practical steps to build an HR function that fits your business needs and scales internationally. Ready to map your HR roadmap for the critical first 90 days? Let’s get started.
Building the HR Foundation

Starting with a strong HR foundation is key to supporting your start-up’s growth. The initial steps involve making critical decisions that will shape your HR strategy. Let’s explore how to lay the groundwork effectively.
First HR Hire Essentials
Your first HR hire plays a crucial role in building your team’s success. It’s not just about filling a vacancy; it’s about choosing someone who can shape your company’s future. Look for a candidate who offers strategic insight and can manage daily operations. This individual should have experience in fast-paced environments, ideally in a start-up setting. They need to be adaptable and ready to develop policies that align with your business goals.
Consider what specific skills are essential for your organisation. Do you need someone who excels in talent acquisition, or is employee engagement your priority? Hiring the right person will set the tone for your company’s culture and operational effectiveness. Remember, this is your first step to building a strong HR foundation.
Designing HR Operating Model
Having a clear HR operating model is vital for managing growth. This involves setting up structures and processes that support your team effectively. Begin by identifying your company’s core HR needs. These might include recruitment, employee development, and compliance.
Once you’ve outlined these needs, you can design a model that aligns with your business objectives. A well-structured model enables your HR team to work efficiently and focus on strategic priorities. This ensures your HR function not only supports daily operations but also contributes to long-term success.
HR Compliance UK Guidelines
Understanding HR compliance is fundamental to operating in the UK. Compliance ensures that your business adheres to employment laws and regulations. Start by familiarising yourself with key guidelines related to worker rights, health and safety, and equal opportunities.
Develop policies that reflect these guidelines and ensure that they are communicated effectively to your team. Regular compliance audits can help you stay on top of legal requirements. By prioritising compliance, you protect your business from potential liabilities and foster a fair workplace.
Crafting a Growth-Oriented People Strategy
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With a basic HR structure in place, it’s time to focus on strategies that drive growth. A people strategy that aligns with your business goals can be a game-changer.
HR Roadmap 30 60 90
Creating an HR roadmap for the first 90 days is a smart approach. It helps you set clear milestones and priorities. In the first 30 days, focus on understanding your organisational culture and existing HR processes. By the 60-day mark, you should be implementing initial changes and gathering feedback. The 90-day milestone is about evaluating progress and refining strategies.
This structured timeline allows you to manage expectations and demonstrate the value of your HR function early on. A well-planned roadmap sets a strong foundation for future initiatives.
Culture and Employee Value Proposition
Building a positive company culture is essential for attracting and retaining talent. Your employee value proposition (EVP) is what sets you apart from competitors. It’s about what you offer employees in terms of growth, recognition, and work-life balance.
Start by defining the core values that reflect your company’s mission. Then, create initiatives that demonstrate these values in action. An engaging culture not only attracts top talent but also improves employee satisfaction and productivity.
Reward and Benefits Strategy
A strategic reward and benefits programme is key to motivating employees. Competitive salaries are important, but benefits play a significant role in employee satisfaction as well. Consider offering flexible working hours, wellness programmes, and professional development opportunities.
Evaluate what your competitors are offering and tailor your benefits to meet the needs of your workforce. A comprehensive strategy can significantly impact employee retention and overall job satisfaction.
Expanding HR Capabilities

With a solid foundation and growth-oriented strategy, the next step is expanding your HR capabilities to support international scaling.
Talent Acquisition for Start-ups
Recruiting talent in a start-up environment requires a targeted approach. Start-ups often need to move quickly, so having a clear recruitment strategy is crucial. Identify the skills that are critical to your business’s success and focus on sourcing candidates who meet these criteria.
Utilising online platforms and leveraging your network can streamline the recruitment process. Remember, finding the right talent is not just about filling roles; it’s about building a team that aligns with your company’s vision and values.
Scaling HR Internationally
Expanding internationally presents unique HR challenges. You must adapt your HR strategies to comply with different countries’ regulations and cultural expectations. Start by researching the local labour laws and customs of the countries you’re entering.
Developing a flexible HR strategy that can be customised for each new market is essential. This approach ensures that your HR department can effectively support your international growth while maintaining consistency in your company’s values and practices.
Selecting the HR Tech Stack HRIS UK
Choosing the right HR technology is vital for managing operations efficiently. An HR Information System (HRIS) tailored to the UK market will help streamline processes such as payroll, compliance, and employee records.
Evaluate your organisation’s specific needs and select a system that offers the necessary functionalities. A well-integrated HRIS can save time, reduce errors, and provide valuable insights into your workforce. Investing in the right technology supports your HR team’s efforts and contributes to overall business success.
Building an effective HR function in a private equity backed start-up is a journey. Each step, from hiring your first HR leader to scaling internationally, requires thoughtful planning and execution. By focusing on these key areas, you can establish a robust HR foundation that supports growth and drives success.
