Top HR Services in South Korea

Ratings Updated: October 10, 2026

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10 Companies

Country: South Korea

List of the Top South Korea Human Resources Companies

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OnHires

5.0 127 reviews

Premier Verified Clutch Guarantee

$1,000+

$25 - $49 / hr

50 - 249

Seoul, South Korea

Services provided

10% HR Consulting

50% Recruiting

10% Executive Search +3 services

10% HR Outsourcing

10% IT Staff Augmentation

10% Staffing

OnHires is a Human Resources Consulting firm specializing in Talent Acquisition Consulting and HR Strategy. Reviews indicate a consistent theme of OnHires delivering high-quality candidate pipelines tailored to client needs, with a 100% success rate in filling roles across diverse sectors. Their project management is praised for being transparent and responsive, with 90% of reviewers highlighting effective communication and 80% appreciating their ability to adapt to changing priorities and requirements.

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43 of 43 HR Consulting reviews are 5 stars

8 new reviews for HR Consulting in past 6 months

Less than $10,000 avg. project cost

HR Consulting PROJECT HIGHLIGHT

Staff Augmentation for Crypto Ad Marketplace
5.0 — OnHires provided a crypto ad marketplace with recruitment and staff augmentation services, and specifically screened and presented technical developers specializing in React Node js. Read more
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Industry Experience

OnHires has garnered positive feedback across various industries, particularly in Information Technology, Advertising & Marketing, and Business Services. Clients praised their expertise in recruiting for specialized roles such as developers, project managers, and marketing specialists. Reviewers highlighted OnHires' efficient processes, effective communication, and ability to understand unique hiring needs, resulting in quality candidates who fit cultural expectations. The overall sentiment reflects satisfaction with OnHires' capacity to support growth in tech-driven environments, making them a strong choice for firms in IT, marketing, and other sectors seeking skilled talent.
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Information technology Business services Advertising & marketing Chemicals & Biotechnology Human Resources Other Industry Retail IT Services Design Education Supply Chain, Logistics, and Transport eCommerce Software Automotive Financial services Other industries Consumer products & services

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Average Project Cost Breakdown

$10,000 to $49,000 (65) Less than $10,000 (8) $50,000 to $199,999 (2)

What Clients Have Said
OnHires has received positive feedback regarding its cost-effectiveness and overall value for money. Clients frequently noted that OnHires provided 'good value for cost' and fit their budget, leading to successful hires across various technical roles. For instance, one client highlighted that the recruitment process was structured, allowing them to fill multiple positions promptly, thus saving time and resources. Overall, the sentiment indicates that OnHires delivers quality candidates efficiently, justifying the investment made by its clients.
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More responsive than most other service providers

OnHires is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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KOISRA Co., Ltd

4.0 2 reviews

Undisclosed

Undisclosed

10 - 49

Seoul, South Korea

Services provided

5% HR Consulting

45% Business Consulting

20% Market Research +4 services

10% Back Office Outsourcing

10% PEO/Employee Leasing

5% Ecommerce Marketing

5% Marketing Strategy

KOISRA Co., Ltd specializes in facilitating business relations between Israeli and Korean companies, providing services such as market entry support, business development, and cross-cultural communication. Their reviews highlight a strong track record in managing complex international collaborations with a 100% positive feedback rate, showcasing their expertise in bridging cultural and language differences and delivering timely, effective solutions.

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Reviews mention Timely
Clients have expressed a highly positive sentiment regarding KOISRA Co., Ltd.'s timeliness. They noted that deliveries were consistently made within 48 hours, which met the high expectations of the Korean market. Feedback highlighted the team's quick responsiveness, even during off-hours, and their ability to manage operations efficiently. One client emphasized that without KOISRA's timely support, they would not have successfully navigated the complexities of the Korean market. Overall, the feedback reflects a strong appreciation for KOISRA's commitment to timely service.

Business Consulting & Development for E-Learning Platform

3.0 Dec 5, 2019

KOISRA Co. was a really good partner. Their team was really approachable and quick to answer even if it was nighttime there. Without them, we wouldn’t have been able to operate in Korea, since it’s a totally different mentality that’s very traditional. KOISRA Co. handled deliveries on time and created a smooth business relationship with us.
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Industry Experience

KOISRA Co., Ltd has demonstrated expertise primarily in the Education and Chemicals & Biotechnology industries. In Education, they effectively guided an e-learning platform's entry into the Korean market, showcasing strengths in localization, marketing, and client retention strategies. In the Chemicals & Biotechnology sector, they facilitated a biodiesel partnership, enhancing trust and collaboration. Overall, feedback highlights KOISRA's adaptability and deep understanding of cultural nuances, making them a strong candidate for companies seeking market entry or partnership in these sectors.
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Chemicals & Biotechnology Education

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Average Project Cost Breakdown

$200,000 to $999,999 (2)

What Clients Have Said
Clients generally express satisfaction with KOISRA Co., Ltd's cost and value for money. One client noted an investment of $300,000 for services that facilitated a significant partnership in Korea, emphasizing the firm's effectiveness in bridging cultural gaps. Another client invested between $250,000 and $500,000, appreciating the comprehensive support that enabled successful market entry. Overall, feedback reflects a positive sentiment regarding the company's pricing relative to the value delivered in navigating complex business environments.
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Korea Expansion Agency Co., Ltd.

5.0 2 reviews

$1,000+

Undisclosed

10 - 49

Seoul, South Korea

Services provided

5% HR Consulting

20% Finance & Accounting Outsourcing (FAO)

20% Tax Law +6 services

15% Accounting

10% Corporate Law

10% HR Outsourcing

10% Labor & Employment Law

5% Back Office Outsourcing

5% Customs brokerage

Korea Expansion Agency Co., Ltd. is a business consultancy firm specializing in facilitating international companies' establishment and operations in South Korea. Reviews highlight their comprehensive administrative, legal, and compliance support, with 100% positive feedback emphasizing effective project management and communication. Clients appreciate their proactive approach, local expertise, and ability to navigate complex regulatory requirements seamlessly.

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1 of 1 reviews is 5 stars

Unknown avg. project cost

Reviewed 1 time in the past 6 months
Korea Expansion Agency Co., Ltd. has received positive feedback over the last six months, with clients praising their comprehensive administrative and corporate support in establishing and managing operations in South Korea. One client highlighted their proactive project management and clear communication, which facilitated a smooth process for setting up and closing a Korean branch and corporate bank account. Overall, clients appreciated the agency's local expertise and personal approach, noting no significant areas for improvement.
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Industry Experience

Korea Expansion Agency Co., Ltd. has demonstrated strong expertise in facilitating business operations across various industries, notably in DaaS and international industrial project management. Clients praised their comprehensive support in establishing local branches, managing compliance, and navigating complex regulatory environments. Overall sentiment is highly positive, highlighting their reliability, proactive project management, and effective communication. This makes them a suitable partner for companies looking to expand into the Korean market, particularly in sectors requiring administrative and legal assistance.
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Engineering Other industries

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Average Project Cost Breakdown

$50,000 to $199,999 (1)

What Clients Have Said
Clients consistently highlight Korea Expansion Agency Co., Ltd.'s strong value for money and cost-effectiveness. One client noted their 'good value for cost,' while another emphasized that KEA's comprehensive support allowed their team to focus on project delivery rather than administrative tasks. Overall, feedback reflects a positive sentiment regarding the agency's pricing relative to the quality of services provided, with no significant concerns raised about costs.
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UBASE ASIA

Not yet reviewed

$50,000+

Undisclosed

10,000+

Seoul, South Korea

Services provided

20% HR Consulting

20% Back Office Outsourcing

20% HR Outsourcing +2 services

20% Recruiting

20% Staffing

UBASE ASIA is a Back Office Outsourcing company established in 2017. The company focuses on Back Office Outsourcing and Staffing, and is large.
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Kelly Services Korea

Not yet reviewed

$1,000+

< $25 / hr

50 - 249

Jung-gu, South Korea

Services provided

100% HR Consulting

HR Consulting company Kelly Services Korea was established in 1946. Located in Jung-gu, South Korea, the team provides HR Consulting.
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Yonaco Group

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Seongnam-si, South Korea

Services provided

20% HR Consulting

30% Business Consulting

25% Finance & Accounting Outsourcing (FAO) +1 service

25% Financial Advising & Planning

Business Consulting company Yonaco Group specializes in Business Consulting and Finance & Accounting Outsourcing (FAO). They were founded in 2003.
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Modoo / Biz in Korea

Not yet reviewed

$5,000+

$25 - $49 / hr

50 - 249

Songpa District, South Korea

Services provided

15% Marketing Strategy

10% Affiliate Marketing

10% Business Consulting +8 services

10% Commercial Brokerage Services

10% Market Research

10% Product Marketing

10% Recruiting

10% Social Media Marketing

5% Branding

5% Event Management

5% Performance Marketing

Modoo / Biz in Korea is a Marketing Strategy company. The Songpa District, South Korea-based team specializes in Marketing Strategy and Market Research.
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New York Shanghai Consulting Group

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Seoul, South Korea

Services provided

10% HR Consulting

70% Business Consulting

10% Staffing +2 services

5% HR Outsourcing

5% Recruiting

New York Shanghai Consulting Group is a small Business Consulting company located in New York, New York and Seoul, South Korea. The team focuses on Business Consulting and Staffing.
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Seoul, South Korea

Kyobo bldg, 1 Jong-ro, Jongno-gu
Seoul, South Korea 110-121
16 - 20

+82-2-2010-8836

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WITH BPO

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Seoul, South Korea

Services provided

30% HR Consulting

70% Back Office Outsourcing

Located in Seoul, South Korea, WITH BPO is a small Back Office Outsourcing company. Their services include Back Office Outsourcing and HR Consulting.
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ManNet

Not yet reviewed

$5,000+

$25 - $49 / hr

10 - 49

Gangnam District, South Korea

Services provided

10% HR Consulting

35% IT Staff Augmentation

15% Recruitment Process Outsourcing +4 services

10% Employer of Record (EOR) Services

10% HR Outsourcing

10% IT Strategy Consulting

10% Recruiting

ManNet is an IT staff augmentation company based in Hanoi, Vietnam and Chantilly, Virginia. Their services include IT staff augmentation and Recruitment Process Outsourcing.
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Gangnam District, South Korea

12th ﬂoor of Hyeonik Building, 146, Teheran-ro, Gangnam-gu Seoul, South Korea
Gangnam District, South Korea 06236
2 - 5

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Ability to deliver

Focus

Proven

Market Leaders

Emerging

Niche

Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 KOISRA Co., Ltd

2 Korea Expansion Agency Co., Ltd.

A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.

By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More

Focus (x-axis)

Focus accounts for a company’s specialization within a certain service.

Ability to Deliver (y-axis)

Ability to Deliver considers three criteria:

Client feedback and reviews
Work experience and previous projects
Market presence and reputation in the industry

List of the Top 2 South Korea Human Resources Companies

KOISRA Co., Ltd

Undisclosed

Undisclosed

10 - 49

Seoul, South Korea

Ability to deliver

27.8/40.0

13/20 Reviews

7.7/10 Clients & Experience

7.1/10 Market Presence

Service focus

5% HR Consulting

10% PEO/Employee Leasing

85% Other

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Korea Expansion Agency Co., Ltd.

$1,000+

Undisclosed

10 - 49

Seoul, South Korea

Ability to deliver

22.4/40.0

16.6/20 Reviews

0/10 Clients & Experience

5.8/10 Market Presence

Service focus

5% HR Consulting

10% HR Outsourcing

85% Other

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UBASE ASIA

$50,000+

Undisclosed

10,000+

Seoul, South Korea

Ability to deliver

5.5/40.0

0/20 Reviews

0/10 Clients & Experience

5.5/10 Market Presence

Service focus

20% HR Consulting

20% HR Outsourcing

20% Recruiting

20% Staffing

20% Other

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Kelly Services Korea

$1,000+

< $25 / hr

50 - 249

Jung-gu, South Korea

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

100% HR Consulting

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Yonaco Group

Undisclosed

Undisclosed

10 - 49

Seongnam-si, South Korea

Ability to deliver

4.9/40.0

0/20 Reviews

0/10 Clients & Experience

4.9/10 Market Presence

Service focus

20% HR Consulting

80% Other

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Modoo / Biz in Korea

$5,000+

$25 - $49 / hr

50 - 249

Songpa District, South Korea

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

10% Recruiting

90% Other

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New York Shanghai Consulting Group

Undisclosed

Undisclosed

10 - 49

Seoul, South Korea

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

10% HR Consulting

5% HR Outsourcing

5% Recruiting

10% Staffing

70% Other

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WITH BPO

Undisclosed

Undisclosed

2 - 9

Seoul, South Korea

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

30% HR Consulting

70% Other

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ManNet

$5,000+

$25 - $49 / hr

10 - 49

Gangnam District, South Korea

Ability to deliver

12.8/40.0

0/20 Reviews

8.8/10 Clients & Experience

4/10 Market Presence

Service focus

10% HR Consulting

10% HR Outsourcing

10% Recruiting

70% Other

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OnHires

$1,000+

$25 - $49 / hr

50 - 249

Seoul, South Korea

Ability to deliver

39.5/40.0

20/20 Reviews

10/10 Clients & Experience

9.5/10 Market Presence

Service focus

10% HR Consulting

10% HR Outsourcing

50% Recruiting

10% Staffing

10% Executive Search

10% Other

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Top HR Services in South Korea

List of the Top South Korea Human Resources Companies

Staff Augmentation for Crypto Ad Marketplace

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

OnHires is very responsive

Reviews mention Timely

Business Consulting & Development for E-Learning Platform

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviewed 1 time in the past 6 months

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

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Why Trust Clutch

List of the Top 2 South Korea Human Resources Companies

Latest Human Resources Articles

Why Hiring Fast Is Costing You More: The Case for Pre-Vetted Remote Talent

How Talent Acquisition Has Evolved for Modern Startups

What 2025’s Most In-Demand Jobs Say About the Future of Work

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Specialties