20 Best HR Consulting Firms London Reviewed in 2025

Deel is a global HR and payroll solution that supports businesses in hiring, managing, and paying workers across multiple countries.

Why I picked Deel: Deel’s approach to consulting is built into its platform, giving you direct access to both expert advice and the tools to act on it.

If you're a London-based company hiring globally or located elsewhere and want to expand into the UK, Deel helps you understand local employment laws, tax regulations, and worker classifications. This makes complex compliance issues more manageable, especially when hiring across borders.

Standout Services: Deel also offers employer of record (EOR) services, assisting you in hiring full-time employees in London without creating a UK entity. You can also get immigration support for international hires and keep all essential paperwork—like contracts, policy files, and employee documents—organized within the platform.

On top of that, features like automated tax submissions and localized compliance tools simplify day-to-day HR management in the UK.

Target industries: Technology, finance, education, healthcare, and manufacturing.

Specialties: Global payroll, compliance management, employer of record, benefits administration, immigration support, and contractor management.

While Breathe HR is well-known for its HR software, it also offers a service that connects small businesses with a UK-wide network of HR consultants who provide practical support in human resources, legal, health and safety, recruitment, and more. It’s not a software platform alone—it’s also a way for small businesses to find hands-on, qualified help through a directory.

Why I picked Breathe HR: I chose Breathe HR because it directly partners with over 170 vetted HR consultants across the UK who specialize in working with small and medium-sized businesses. These partners are trained in HR best practices, and they use Breathe HR’s tools to deliver services like legal advice, health and safety compliance, and payroll support.

Breathe HR focuses on people-centric support areas like onboarding, recruitment, and company culture. You can lean on Breathe’s consultant directory to provide clients with onboarding strategies that boost retention, performance reviews that actually identify high-potential staff, and development programs that tackle skill gaps.

Standout Services: Breathe HR offers support for business communications, where consultants help set up frameworks that improve how teams talk and collaborate. There's also a strong focus on legal and regulatory compliance, ensuring small businesses avoid costly mistakes and stay aligned with UK employment law. 

In addition, Breathe consultants assist in building and maintaining the right contracts and workplace policies to protect both employers and employees.

Target industries: Small businesses, UK SMEs, startups, local service providers, compliance-focused businesses, and people-centric companies.

Specialties: Human resources, legal compliance, health and safety, payroll management, recruitment, and training and development.

HR Habitat provides bespoke HR solutions, focusing on performance management, redundancy management, and legal compliance for UK SMEs. 

They primarily serve small to medium-sized businesses, offering a full HR department for a fixed monthly fee.

Why I picked HR Habitat: HR Habitat offers affordable HR solutions tailored to your business needs. Their focus on sustainable HR practices ensures compliance with evolving employment laws. 

Their services align HR strategies with your business objectives, making them a standout choice for businesses looking to enhance employee performance.

Standout Services: HR Habitat provides performance management to help you improve team efficiency and align employee goals with business objectives.

Their redundancy management also helps you navigate the complexities of workforce reduction, ensure compliance, and minimize disruption.

Target industries: Retail, hospitality, technology, finance, and manufacturing.

Specialties: Performance management, redundancy management, employment contracts, legal compliance, and employee engagement.

LighterHR offers various HR services, including consultancy, documentation, and employee management. They primarily serve small—to medium-sized businesses and provide tailored HR support that aligns with their clients' unique needs.

Why I picked LighterHR: LighterHR offers flexible HR packages that let you choose the level of support you need. 

Their focus on providing practical and straightforward HR solutions makes them a good fit for businesses seeking adaptability. 

With a range of services from documentation to employee management, they ensure your HR needs are met efficiently.

Standout Services: LighterHR’s on-site HR support provides your team with direct assistance and guidance, addressing issues as they arise and enhancing in-house capabilities. 

Additionally, their HR documentation services help you maintain accurate and compliant employee records, reducing risk and ensuring consistency in HR practices.

Target industries: Retail, hospitality, technology, healthcare, and finance.

Specialties: HR consultancy, employee management, HR documentation, on-site support, and flexible packages.

OutThere RPO specializes in recruitment process outsourcing, offering tailored recruitment solutions for businesses across various sectors. Their main client base includes companies seeking efficient and cost-effective recruitment strategies.

Why I picked OutThere RPO: OutThere RPO has expertise in managing end-to-end recruitment processes, which is ideal for businesses looking to optimize hiring. They offer scalable solutions that adapt to your changing needs.

Their focus on reducing recruitment costs while improving candidate quality sets them apart in the RPO market.

Standout Services: OutThere RPO’s talent mapping helps you identify and engage suitable candidates for future roles, ensuring a proactive recruitment strategy. 

Their employer branding also enhances your company's image in the job market, attracting top talent and improving retention rates.

Target industries: Technology, finance, healthcare, retail, and manufacturing.

Specialties: Recruitment process outsourcing, talent mapping, employer branding, candidate engagement, and cost-effective hiring solutions.

Lotus HR offers HR consultancy, outsourcing, and training services, focusing on redundancy, diversity and inclusion, performance management, and employment relations. 

The company primarily serves small—to medium-sized businesses across various sectors, providing tailored HR solutions.

Why I picked Lotus HR: Lotus HR’s emphasis on diversity and inclusion helps create an inclusive workplace environment. Their flexible monthly packages make HR support accessible for small businesses.

With expert consultants delivering personalized solutions, they ensure your HR practices align with your organizational goals.

Standout Services: Lotus HR provides remote working support to equip your team with the tools and guidance needed for effective remote operations, ensuring productivity and engagement. 

Their documentation management also offers comprehensive handling of HR documents, reducing administrative burdens and ensuring compliance with regulations.

Target industries: Charities, construction, engineering, healthcare, hospitality, and retail.

Specialties: Redundancy, diversity and inclusion, performance management, employment relations, and employee engagement.

BedrockHR offers HR support tailored to startups, education sectors, and charities, focusing on employee management, policy creation, and dispute resolution.

They serve businesses seeking compliance with employment law while enhancing team performance.

Why I picked BedrockHR: BedrockHR focuses on compliance and providing services that ensure your HR practices align with legal standards. 

Their tailored approach allows you to choose between retained or project-based support, offering flexibility to suit your needs. Their expertise in handling HR challenges discreetly makes them a reliable partner for sensitive issues.

Standout Services: BedrockHR provides workplace investigations that thoroughly and discreetly handle sensitive matters to ensure compliance and fair outcomes. 

They also offer employee engagement initiatives to help improve team morale and productivity, making your workplace more effective and enjoyable.

Target industries: Startups, education, charities, small businesses, and nonprofits.

Specialties: Employee management, policy creation, dispute resolution, workplace investigations, and employee engagement.

Neathouse Partners offers HR consultancy and employment law support, focusing on legal compliance and employee management. They cater to businesses of all sizes seeking expert guidance in navigating complex employment regulations.

Why I picked Neathouse Partners: Neathouse Partners delivers a strong focus on employment law support that is invaluable for ensuring compliance with legal standards. They offer tailored HR services that address specific business needs, making them a versatile partner. Their expertise in handling employment disputes helps maintain a harmonious workplace.

Standout Services: Contract management ensures your employment contracts are up-to-date and compliant, reducing legal risks and enhancing clarity. 

Dispute resolution offers expert guidance in managing conflicts, fostering a positive work environment, and minimizing disruptions.

Target industries: Retail, manufacturing, healthcare, finance, and education.

Specialties: Employment law support, employee management, contract management, dispute resolution, and legal compliance.

Clover HR provides outsourced HR services, consultancy, and on-demand support for small to mid-sized businesses. 

They focus on employee relations, compliance, and business-aligned HR planning.

Why I picked Clover HR: Clover HR can develop tailored HR strategies that meet your specific business needs. 

Their focus on employee relations and performance management helps improve workplace dynamics. By offering strategic planning, they ensure your HR practices support long-term growth.

Standout Services: Clover HR offers recruitment support to help you find candidates who fit your team’s needs and values without wasting time on mismatched hires.

They also provide HR audits that review your current policies and documents so you can spot risks early and stay on top of legal requirements.

Target industries: Retail, manufacturing, education, healthcare, and professional services.

Specialties: Employee relations, performance management, strategic planning, recruitment support, and HR audits.

Moore Kingston Smith provides HR consultancy services tailored to commercial and nonprofit organizations, focusing on outsourced HR support, employee engagement, and leadership development.

They serve a broad client base, including charities, education, healthcare, and technology sectors.

Why I picked Moore Kingston Smith: Moore Kingston Smith’s expertise in the financial sector offers tailored HR support that aligns with your business needs. Their focus on leadership development and employee engagement strategies helps your team thrive.

The collaborative approach they use ensures effective HR solutions that enhance workplace culture.

Standout Services: Moore Kingston Smith offers organizational design to help you structure your team to meet strategic goals and improve efficiency.

They also provide employment law guidance to assist you in navigating complex regulations, ensuring compliance, and minimizing legal risks.

Target industries: Charities, education, healthcare, technology, and finance.

Specialties: Outsourced HR support, employee engagement, leadership development, organizational design, and employment law guidance.