HR work can look simple from the outside, right up until hiring speeds up, payroll gets messy, compliance questions start piling in, or managers spend half their week handling admin instead of leading their teams. That is where HR outsourcing companies come in.

This list looks at companies that help businesses take some of that weight off their internal teams. Some focus on payroll and benefits. Others support recruiting, employee management, onboarding, compliance, or full HR operations. The right fit usually depends on how much control a company wants to keep in-house and how much day-to-day HR work it is ready to hand over.

1. NeoWork

At NeoWork, we work as a global staffing and operations partner for companies that need help building and running distributed teams. Our work covers several business functions, including customer experience, virtual assistants, technical roles, AI training, creative support, and HR outsourcing services. NeoWork supports the parts of team building that often become heavy once a company starts hiring faster - recruitment coordination, onboarding flow, employee support, benefits administration, upskilling, engagement, and workforce organization.

We stay involved in how teams are structured, how work is tracked, and how people are supported after they join. That matters for HR outsourcing because hiring is only one piece of the job. Companies also need stable teams, clean communication, and someone paying attention when processes start to get messy. Our model is built around that practical layer of support, with a 91% annualized teammate retention rate and a 3.2% candidate selectivity rate shaping how we hire and maintain teams over time.

Key Highlights:

• Global staffing and operations model that can support individual roles or larger team setups
• HR outsourcing support connected to recruitment, onboarding, benefits, upskilling, and engagement
• Clients keep day-to-day management while NeoWork handles much of the team-building and support structure
• Useful for companies that need HR and workforce support without adding a full internal layer for every function

Services:

• HR outsourcing
• Recruitment support
• Employee benefits coordination
• Onboarding support
• Workforce management
• Team engagement support
• Upskilling coordination
• Dedicated reporting

Contact Information:

• Website: www.neowork.com
• Facebook: www.facebook.com/neoworkteam
• LinkedIn: www.linkedin.com/company/neoworkteam
• Instagram: www.instagram.com/neoworkteam

2. Grant Thornton

Grant Thornton provides payroll and HR outsourcing services for companies that want to move personnel administration outside their internal team. The company handles payroll calculation, employee documentation, and selected HR management tasks. For businesses with limited internal HR capacity, this can reduce the amount of daily admin sitting with finance, office managers, or small teams.

Grant Thornton also works with companies that need more specific support around labour law, remuneration schemes, employee contracts, work schedules, and HR payroll staff assistance. The service is practical rather than broad for the sake of it. Grant Thornton can step into payroll and personnel processes, help fix irregularities, and support companies dealing with formal HR matters such as employment documents, foreign worker hiring, redundancies, or dealings with local authorities.

Key Highlights:

• Payroll and personnel administration can be moved outside the client company
• Support covers both routine HR payroll work and more formal labour-related matters
• Interim HR and payroll staff assistance is available when internal teams need specialist help

Services:

• HR management support
• Payroll calculation
• Personnel administration
• Employee documentation handling
• Interim HR payroll staff assistance
• Labour law advisory

Contact Information:

• Website: www.grantthornton.co.uk
• LinkedIn: www.linkedin.com/company/grant-thornton-uk
• Instagram: www.instagram.com/gt_trainees
• Address: Level 8, 120 Bothwell St, Glasgow G2 7JS  
• Phone: +44 (0)141 223 0000

3. ADP

ADP works with companies that want to outsource part or all of their HR function, from payroll and benefits to compliance support and talent management. The company’s HR outsourcing services are built around a mix of technology, service teams, and HR specialists who can take over recurring tasks that often slow internal teams down. ADP is especially tied to payroll, benefits, time tracking, and HR administration, so its service fits companies that need more structure around the employee lifecycle.

For smaller businesses, ADP can help cover HR work where there is little internal staff. For larger companies, it can take on high-volume or compliance-heavy functions like payroll taxes, benefits administration, leave, safety programs, and reporting. ADP also offers PEO support through ADP TotalSource.

Key Highlights:

• HR outsourcing can cover a single area or a wider HR function
• ADP combines HR services with payroll, benefits, compliance, and workforce technology
• Service teams can support companies that lack internal HR staff or need extra HR expertise
• Reporting and analytics are part of the wider HR outsourcing service

Services:

• Payroll processing
• Payroll tax filing and deposits
• Benefits administration
• Open enrollment support

Contact Information:

• Website: www.adp.com
• Facebook: www.facebook.com/AutomaticDataProcessing
• Twitter: x.com/adp
• LinkedIn: www.linkedin.com/company/adp
• Phone: 800-225-5237

4. The Hackett Group

The Hackett Group approaches HR outsourcing from a consulting and transformation angle. The company helps enterprises plan, structure, and improve outsourcing programs. Its work is tied to HR process design, business benchmarking, operating models, governance, and service delivery quality.

The Hackett Group is more relevant for companies that are already considering a larger HR outsourcing move or trying to improve an existing outsourcing setup. They support decisions around which HR processes should be outsourced, how retained HR teams should change, and how performance should be tracked across both internal and outsourced work.

Key Highlights:

• HR outsourcing support is connected to broader HR transformation and process improvement
• The company works with governance structures, service levels, and operating model design
• Benchmarking is used to compare HR performance and guide outsourcing decisions
• Support can include retained HR role design after outsourcing changes are made

Services:

• HR outsourcing consulting
• HR process transformation
• Business benchmarking
• HR delivery strategy
• Outsourcing and offshoring advisory
• Global business services strategy

Contact Information:

• Website: www.thehackettgroup.com
• E-mail: info@thehackettgroup.com
• Facebook: www.facebook.com/The-Hackett-Group-176204415723594
• Twitter: x.com/thehackettgroup
• LinkedIn: www.linkedin.com/company/the-hackett-group
• Address: 1001 Brickell Bay Drive, 30th Floor, Miami, Florida 33131, United States
• Phone: +1 305 375 8005

5. EuroDev

EuroDev focuses on HR outsourcing for companies hiring or managing employees across Europe. Their work is tied to the practical side of cross-border employment - contracts, onboarding, payroll coordination, local labor rules, and employee records. This makes EuroDev more relevant for businesses that do not want every European country to turn into a separate HR headache.

The company offers different setups depending on how the client is operating. EuroDev supports Employer of Record work when a business does not have a local entity, PEO services when it already employs people through its own entity, and HR consulting when the company needs help shaping policies or processes but keeps execution internal. 

Key Highlights:

• Combines employment administration, payroll coordination, and HR compliance guidance
• Offers a single point of contact for HR operations across multiple European markets
• Can connect recruitment with ongoing HR management

Services:

• Employer of Record support
• PEO services
• Payroll coordination
• Employment administration
• Onboarding and offboarding support
• HR compliance guidance

Contact Information:

• Website: www.eurodev.com
• LinkedIn: www.linkedin.com/company/eurodev
• Instagram: www.instagram.com/eurodevofficial
• Address: Windmolen 22, 7609 NN Almelo, The Netherlands 
• Phone: +31 546 660000 

6. G&A Partners

G&A Partners provides HR outsourcing services mainly for small and mid-sized businesses that need more HR structure without building a large internal department. Their model is built around PEO support, HR management, payroll administration, employee benefits, compliance, recruiting, and HR technology.

G&A Partners also offers different ways to handle HR, including PEO, ASO, and HCM options. That gives businesses some room to choose between more hands-on outsourced support and tools they use with more control kept in-house. The company’s HR outsourcing work covers both the paperwork side and the people side, including performance management, policies, hiring support, and employee service questions.

Key Highlights:

• Works with small, mid-sized, and growing businesses
• Provides HR outsourcing through PEO, ASO, and HCM models
• Covers both HR service support and HR technology
• Includes employee support as part of the service model
• Offers outsourced accounting alongside HR services

Services:

• HR management
• Payroll administration
• Employee benefits administration
• HR compliance support
• Recruiting and hiring support

Contact Information:

• Website: www.gnapartners.com
• Facebook: www.facebook.com/gnapartners
• Twitter: x.com/GAPartners
• LinkedIn: www.linkedin.com/company/g-a-partners
• Instagram: www.instagram.com/gapartners
• Address: 17220 Katy Fwy #350, Houston, TX 77094
• Phone: (800) 253-8562

7. Armanino

Armanino offers HR outsourcing services for companies that need temporary coverage, shared HR support, or a fuller managed HR setup. Their service is not limited to payroll processing. Armanino also works with compliance, employee relations, HR policies, compensation, benefits, recruiting, and HR technology. That mix fits companies that need help with both admin work and the decisions around how HR should run.

A more technical layer sits inside Armanino’s HR outsourcing work. They support HR systems such as Workday, UKG, ADP, Gusto, and other payroll or HR platforms, including setup, configuration, assessments, and integrations. Armanino also handles multistate compliance, employee handbook work, workplace investigations, payroll registrations, and HRIS planning.

Key Highlights:

• Offers interim HR support, co-sourcing, and managed HR services
• Covers HR operations, payroll, compliance, employee relations, and HR technology
• Supports multistate payroll and local compliance work
• Works with HR platforms such as Workday, UKG, ADP, Gusto, and related systems

Services:

• HR outsourcing
• Payroll management
• Benefits administration
• Strategic HR and compliance support
• Employee relations guidance
• Recruitment support
• Workplace investigations

Contact Information:

• Website: www.armanino.com
• E-mail: info@armanino.com
• Twitter: x.com/Armanino_HQ
• LinkedIn: www.linkedin.com/company/armanino
• Instagram: www.instagram.com/armanino_hq
• Address: 2700 Camino Ramon #350, San Ramon, CA 94583
• Phone: 925-790-2600

8. Citation

Citation provides HR outsourcing for UK businesses that want help with day-to-day HR admin, employment law questions, documentation, and employee issues. Their service is built around regular access to HR advice, including a 24/7 helpline, on-site HR support, and online HR management through Atlas. 

Citation’s HR outsourcing is closely linked with employment law and health and safety support, so the service is not only about moving paperwork out of the business. Companies can use Citation for routine HR tasks, but also for situations where they need a clearer process and less guesswork.

Key Highlights:

• UK-focused HR outsourcing with employment law support included
• 24/7 HR advice line for ongoing employee and management questions
• On-site HR consultants available when in-person support is needed
• Atlas platform helps manage HR documents, holidays, and workforce tasks
• HR documentation can include contracts, policies, and employee handbooks

Services:

• HR advice
• HR outsourcing
• On-site HR support
• HR documentation
• Employment law support
• Recruitment assistance

Contact Information:

• Website: www.citation.co.uk
• E-mail: support@citation.co.uk
• Facebook: www.facebook.com/CitationLtd
• LinkedIn: www.linkedin.com/company/citation-ltd
• Address: Kings Court, Water Lane, Wilmslow, Cheshire, United Kingdom, SK9 5AR
• Phone: 01603 630 345

9. The Human Resource Consulting Group

The Human Resource Consulting Group, or HRCG, works as a full-service HR outsourcing firm for businesses that need support across payroll, HR administration, compliance, employee benefits, and workforce management. HRCG can act as a full HR team or support an existing team where extra capacity is needed.

HRCG also handles more detailed people operations work, including recruitment support, onboarding, leave administration, performance management, employee relations, and HR analytics. Their service has a hands-on feel because it combines HR certified professionals with payroll processing, benefits administration, time and attendance, scheduling, and learning tools.

Key Highlights:

• Can operate as a complete HR team or supplement internal HR staff
• Covers employee lifecycle work from recruitment to performance management
• Includes leave administration, employee relations, and policy support
• Works with both routine admin and more structured HR planning

Services:

• HR outsourcing
• Payroll processing
• HR consulting
• Benefits administration
• Recruitment and onboarding
• Employee leave administration
• Employee relations support

Contact Information:

• Website: www.hr-consulting-group.com
• E-mail: hrhelp@hr-consulting-group.com
• Facebook: www.facebook.com/thehrcg
• Twitter: x.com/thehrcg
• LinkedIn: www.linkedin.com/company/the-human-resource-consulting-group
• Instagram: www.instagram.com/humanresource.cg
• Address: 117 Main Street, Seymour, CT 06483
• Phone: 203.881.1755

10. Europe HR Solutions

Europe HR Solutions supports US and UK companies that need help with HR outsourcing, compliance, recruitment, and employee administration. Their work is shaped around the fact that European HR is not one single rulebook. Employment contracts, benefits, payroll expectations, training, policies, and labor rules can change from country to country, so Europe HR Solutions helps companies set up HR processes that fit local requirements.

They work as an outsourced HR team for companies entering European markets or managing people across different countries. Europe HR Solutions handles talent acquisition, HR compliance, employee handbooks, training programs, policies, procedures, benefits and payroll support, and leadership-related HR work. They also support companies on an ad hoc, interim, project, or retainer basis, which gives businesses some room to use the service without turning every HR need into a permanent hire.

Key Highlights:

• Supports country-specific HR compliance, employment rules, and labor law needs
• Works with recruitment, employee contracts, training, policies, and HR administration
• Can help companies manage HR across several European markets
• Offers flexible support through ad hoc, interim, project, or retainer arrangements

Services:

• HR outsourcing
• HR compliance support
• Talent acquisition and recruitment
• Employee contracts
• HR policies and procedures
• Employee handbooks

Contact Information:

• Website: europe-hr-solutions.com
• Address: Ringlaan 20, 3560 Lummen, Belgium 

11. Helios HR

Helios HR provides HR outsourcing for companies that need support but may not need a full-time internal hire. Their work covers a few different situations: a company might be growing quickly without a proper HR team, dealing with a short-term gap after a leave or departure, or going through a transition where senior HR guidance is needed for a while. Helios HR can step in through outsourced HR, recruiting support, or fractional HR work depending on the size of the gap.

Helios HR splits its outsourcing support across foundational, operational, and strategic HR. That gives the service a wider range than basic admin help. They can handle recruiting, onboarding, HR administration, compliance, benefits, employee separations, talent management, manager coaching, and HR leadership. The company also supports specialty needs such as payroll, compensation, benefits, organizational development, M&A, and HRIS integrations, which is helpful when a business has one messy HR issue sitting outside its normal capacity.

Key Highlights:

• Supports companies that need HR help without hiring a full-time internal role
• Offers HR outsourcing, recruitment process outsourcing, and fractional HR support
• Covers foundational, operational, and strategic HR work
• Can fill short-term HR gaps caused by leave, departures, or fast growth
• Works with existing client systems, partners, and internal processes

Services:

• Recruitment process outsourcing
• HR outsourcing
• Recruiting support
• Onboarding
• HR administration
• Compliance support

Contact Information:

• Website: www.helioshr.com
• E-mail: info@helioshr.com 
• LinkedIn: www.linkedin.com/company/helios-hr
• Address: 6903 Rockledge Drive, Suite 1400, North Bethesda, MD 20817
• Phone: 703.860.3882

12. GMS

GMS offers outsourced HR services for businesses that want to hand off employee management tasks while keeping control over their people and daily decisions. They work across HR administration, recruiting, onboarding, training, benefits, payroll-related support, unemployment claims, and employee management.

GMS also uses an HRIS platform to support employee information, paid time off requests, pay stubs, and lifecycle management from hiring to exit. Their HR outsourcing work includes compliance monitoring, documentation, performance support, safety-related processes, and online learning resources. GMS is not only handling forms here - they also help companies reduce HR risk and give employees a clearer system for basic HR needs.

Key Highlights:

• Provides HR outsourcing for small and midsize businesses
• Clients keep control over business and employee decisions while GMS supports HR operations
• HRIS platform helps manage employee information and employee lifecycle tasks
• Covers employee documentation, onboarding, benefits, compliance, and training
• Support includes performance management, safety protocols, and learning resources

Services:

• HR outsourcing
• Recruiting support
• Onboarding
• Employee documentation
• Benefits administration
• Training and development
• Employee management

Contact Information:

• Website: www.groupmgmt.com
• Facebook: www.facebook.com/groupmanagementservices
• Twitter: x.com/Group_Mgmt
• LinkedIn: www.linkedin.com/company/group-management-services-inc-
• Instagram: www.instagram.com/groupmgmt
• Address: 3750 Timberlake Dr., Richfield, OH 44286
• Phone: 330-659-0100

13. Outsourced Staff

Outsourced Staff considers HR outsourcing as a way for companies to move specific HR tasks to outside professionals instead of building everything in-house. The company’s wider model is based on offshore staffing and outsourced support, with a focus on helping businesses add people and operational capacity. Outsourced Staff points to payroll, recruitment, onboarding, benefits, compliance, policies, performance systems, and employee relations as areas that can be delegated.

The company’s view of HR outsourcing is fairly practical: HR problems often stay quiet until something breaks, like a late payroll run, a missing contract, or a messy onboarding process. Outsourced Staff frames outsourcing as a way to keep companies lean while still giving HR work to people who understand the rules and details.

Key Highlights:

• Focuses on outsourced staffing and offshore support for business operations
• HR outsourcing content covers both individual HR tasks and wider HR department support
• Relevant for businesses that want to stay lean while still getting structured HR help

Services:

• Payroll support
• Recruitment support
• Onboarding support
• HR policy creation and updates
• HR outsourcing support
• Compliance audits

Contact Information:

• Website: www.outsourcedstaff.com.au
• E-mail: info@outsourcedstaff.com.au
• Facebook: www.facebook.com/OutsourcedStaff.au
• LinkedIn: www.linkedin.com/company/outsourced-staff
• Instagram: www.instagram.com/outsourcedstaff.au
• Address: unit 13 161/163 S Creek Rd, Cromer, NSW 2099
• Phone: 1300 455 600

14. Infosys BPM

Infosys BPM provides human resources outsourcing for global enterprises that need HR operations to work across different teams, countries, and workforce models. Their service combines HR consulting, technology, and outsourced HR delivery. Infosys BPM covers work such as payroll, benefits administration, talent management, compliance, employee lifecycle operations, sourcing, development, engagement, and retention.

Infosys BPM is a better fit for larger companies than for a small business looking for light HR admin help. The company works with HR process improvement, benchmarking, maturity models, analytics, and business metrics such as hire-to-retire cost and fill rate. Their HR outsourcing service is built around making HR operations more consistent and measurable, especially when a company has several locations or a more complex internal structure.

Key Highlights:

• Human resources outsourcing for global enterprise operations
• Combines consulting, HR technology, and outsourced HR service delivery
• Covers partial and end-to-end HR outsourcing models
• Supports payroll, benefits, compliance, and employee lifecycle work
• Uses benchmarking, analytics, and HR business metrics to improve HR processes

Services:

• Human resources outsourcing
• Payroll outsourcing
• Benefits administration
• Talent acquisition support
• Talent management
• HR compliance support

Contact Information:

• Website: www.infosysbpm.com
• E-mail: InfosysBPM@infosys.com
• Facebook: www.facebook.com/InfosysBPM
• Twitter: x.com/infosysbpm
• LinkedIn: www.linkedin.com/company/infosys-bpm
• Instagram: www.instagram.com/infosysbpm
• Address: 138, Old Mahabalipuram Road, Sholinganallur, Chennai, Tamil Nadu – 600119
• Phone: +91 44 6927 3500

15. HRXconnect

HRXconnect works with companies that want to outsource defined HR tasks while keeping control over people's decisions, culture, and leadership. Their approach is built around clear scope: a company can outsource one function, such as payroll or benefits, or use a wider setup that covers HR administration, compliance support, recruiting support, employee helpdesk, and HR technology management.

HRXconnect is based in Toronto and gives a lot of attention to how HR outsourcing is structured. They separate HRO from PEO, which is helpful for companies that want operational help without changing the employer relationship. The company also focuses on the less glamorous parts of outsourcing, like service levels, data security, process ownership, handoffs, reporting, and employee experience.

Key Highlights:

• Toronto-based HR outsourcing and HR consulting provider
• Supports modular and full-service HR outsourcing setups
• Keeps the client responsible for culture, leadership, and final people decisions
• Covers payroll, benefits, HR admin, compliance, recruiting, and HR tech management

Services:

• HR consulting
• HR outsourcing
• Fractional HR
• Payroll outsourcing
• Benefits administration
• HR administration

Contact Information:

• Website: hrxconnect.com
• E-mail: info@hrxconnect.com
• Facebook: www.facebook.com/people/HRXConnect/61554831231875
• LinkedIn: www.linkedin.com/company/hrxc
• Instagram: www.instagram.com/hrxconnect
• Address: 1200 Bay Street, Suite 1201, Toronto, ON. M5R 2A5
• Phone: +1 (289) 624-6373

16. HR Path

HR Path provides HR and payroll outsourcing for companies that need support with workforce management across local and international operations. Their services cover payroll outsourcing, Employer of Record work, HR administration, employee lifecycle management, compliance, statutory reporting, and local labor requirements. HR Path is especially relevant for companies operating in several countries, where payroll and employment rules can become difficult to manage internally.

The company’s model connects HR outsourcing with HRIS consulting and HR solution implementation. That means HR Path can support not only the running of HR and payroll tasks, but also the systems used to manage them. Their EOR service also gives companies a way to hire internationally without setting up a local legal entity, while the client keeps control over daily management, performance, and culture.

Key Highlights:

• Provides HR and payroll outsourcing across multiple countries and regions
• Supports HR administration, employee lifecycle management, and compliance
• Works with local labor laws, tax rules, and statutory reporting requirements

Services:

• Payroll outsourcing
• Employer of Record services
• HR administration
• Employee lifecycle management
• Compliance management
• Statutory reporting support

Contact Information:

• Website: hr-path.com
• Facebook: www.facebook.com/HRPath
• LinkedIn: www.linkedin.com/company/hr-path
• Instagram: www.instagram.com/hr_path
• Address: Franklin Tower, 11th floor, 100-101 Boieldieu Terrace, 92042 Paris La Défense Cedex
• Phone: (+33) 153 622 214

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Conclusion

HR outsourcing companies are not all built for the same kind of work, and that is probably the main thing to keep in mind. Some are stronger on payroll and benefits. Others are better suited for compliance, employee documentation, recruitment support, HR technology, or full people operations across several countries. A company with ten employees will not need the same setup as a business hiring across Europe or managing teams in multiple states. The better choice is usually the provider that matches the real mess on the table - not the one with the longest service list.

For growing teams, outsourcing HR can take pressure off internal managers without removing control from the business. It can make payroll cleaner, onboarding less improvised, and compliance less dependent on someone “figuring it out” after hours. Still, it works best when expectations are clear from the start. Companies should know what they want to hand over, what should stay internal, and how employees will get support day to day. HR is too close to people’s working lives to treat it like just another admin task.