Top HR Outsourcing Companies in 2026

Browse our agency directory to find top HR outsourcing companies that blend strategic workforce management, compliance expertise, and scalable support solutions to streamline HR operations and support the growth of emerging businesses and industry giants alike. We also have a roster of US-based HR service providers that can ensure compliance with local regulations.

Best Pennsylvania HR Service Providers

25 Companies-Rankings updated: September 28, 2026

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

United States × Pennsylvania ×

Dimov Tax
Verified
Let us save you time & money.
Dimov Tax offers expert domestic and international tax and financial services, including individual and business tax preparation, cryptocurrency and stock taxation, IRS/state notice resolution, forensic accounting, M&A consulting, property management accounting, CPA letters, and tailored strategies...
Top Services:
Business Consulting
Accounting
Location
Philadelphia, Pennsylvania
Number of Employees
Under 49
Portfolios Count
4 Projects Listed
Dimov Tax Services
Business Consulting
Accounting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
High-Net-Worth Individuals
Startups
Technology Companies
International Taxpayers
Real Estate Investors
Professional Athletes & Entertainers
Healthcare Practices
Multi-State Businesses
Nonprofit Organization
Data sourced from the agency's DesignRush profile
Dimov Tax Reviews & Testimonials
Parhum Moshki N/A at N/A
5.0★
Tax Preparation Review from Parhum Moshki
Dimov Tax was exceptionally helpful and fair-priced when assisting my family with complex tax questions that involved cross-border considerations. They made sure all of our filings strictly adhered to IRS regulations while maintaining the highest standard of quality. It gave us complete peace of mind knowing everything was handled professionally and completely by the book!
Gerald Triplett - at N/A
5.0★
Tax Preparation Review from Gerald Triplett
Working with the team at Dimov Tax has been a fantastic experience. I have relied on them for my filings over the last four tax years, and I always feel confident knowing they genuinely look out for my best interests. They are dedicated, reliable, and consistently advocate for their clients!
Рубен Газарян - at N/A
5.0★
Tax Preparation Review from Рубен Газарян
This is easily the finest tax firm I have ever worked with. As a long-term client who grew up outside the United States, I find the American tax system incredibly complex and confusing. However, Kirill Solntsev and George Dimov made my highly complicated 2025 tax return feel completely manageable. Kirill’s exceptional professional support, patience, and meticulous attention to detail were incredible throughout the entire process. They offer top-tier individual tax planning and filing services at a great price point. I wish them continued success and look forward to remaining a loyal client for many years to come!
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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4.9 4.9 (16)
4.4 4.4 (75)
OnHires
Global IT Recruiting
Global IT Recruiting
Were a global recruitment and staffing partner dedicated to finding, hiring, and managing tech & creative talent...
Top Services:
HR Outsourcing
Location
Philadelphia, Pennsylvania
Number of Employees
Under 49
Average Hourly Rate
$50/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
3 Projects Listed
View Profile
4.8 4.8 (5)
Mastech Digital
Digital First Company
Digital First Company
Mastech Digital is a leading provider of Digital Transformation IT Services. The company offers Data Management and Analytics Solutions, Offshore Staffing, Digital Learning, and Remote IT Staffing Services with a digital-first approach.Mastech Digital is a leading provider of Digital Transformation IT...
Top Services:
HR Outsourcing
Staff Augmentation
Location
Coraopolis, Pennsylvania
Number of Employees
500 - 999
View Profile
4.3 4.3 (1)
1.7 1.7 (11)
PKR - Panna Knows
Recruiting with the Intention of Retention, because we know that your TALENT is the CORE of your VAL
Recruiting with the Intention of Retention, because we know that your TALENT is the CORE of your VAL
A highly effective talent acquisition team starts with structure, strategy, and support that will help them to meet the objectives of the business...
Top Services:
HR Outsourcing
Location
Wayne, Pennsylvania
Number of Employees
1000 & Up
View Profile
Mind Lance
Innovative staffing solutions for businesses
Innovative staffing solutions for businesses
Mindlance is a leading global provider of innovative workforce staffing solutions, dedicated to transforming businesses through cutting-edge services...
Top Services:
HR Outsourcing
Location
King of Prussia, Pennsylvania
Number of Employees
1000 & Up
View Profile
Integrative Staffing Group
A premier staffing agency for businesses
A premier staffing agency for businesses
Integrative Staffing Group is a pioneering staffing agency that offers a comprehensive spectrum of workforce solutions. With a dedication to excellence, we provide specialized staffing services tailored to diverse industries, including administrative, healthcare, industrial, and professional sectors...
Top Services:
HR Outsourcing
Location
Coraopolis, Pennsylvania
Number of Employees
Under 49
View Profile
1.8 1.8 (6)
Blue Plate Minds
Serving Up Today's Greatest Talent
Serving Up Today's Greatest Talent
We are a creative staffing agency specializing in the recruitment and placement of marketing & advertising professionals in the Philadelphia/Tri-State area. We work with top advertising agencies and corporations to build teams with full-time, freelance, and freelance-to-hire candidates. As a member of the...
Top Services:
HR Outsourcing
Location
Paoli, Pennsylvania
Number of Employees
Under 49
View Profile
ProTech Professional Technical Services, Inc.
IT Training And Consulting Pros
IT Training And Consulting Pros
ProTech Training provides thousands of IT courses ranging from A+ certification to z/OS Mainframe systems, backed by partnerships with top companies like IBM and Cisco. With over 30 years of experience, we've trained thousands globally and worked with 60% of the Fortune 1000...
Top Services:
HR Outsourcing
Location
Pittsburgh, Pennsylvania
Number of Employees
100 - 249
View Profile
Allegiance Staffing
Connecting The Right People With The Right Opportunities
Connecting The Right People With The Right Opportunities
Allegiance Staffing is a Staffing Firm that operates in 14 states with 41 branches nationwide. Allegiance Staffing specializes in developing partnerships with companies that are need of staffing solutions...
Top Services:
HR Outsourcing
Location
Pittsburgh, Pennsylvania
Number of Employees
1000 & Up
View Profile
4.5 4.5 (99)
WD Strategies
Helping Companies Establish & Expand Their Digital Footprint
Helping Companies Establish & Expand Their Digital Footprint
We help clients tackle a variety of business problems, from web design, marketing strategy + execution, to content creation...
Top Services:
Web Design
eCommerce Development
Digital Marketing
SEO
Translation Services
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Location
Huntingdon, Pennsylvania
Number of Employees
Under 49
Average Hourly Rate
$165/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
3 Projects Listed
View Profile
5.0 5.0 (9)
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Wipfli
Solve today, thrive tomorrow.
Solve today, thrive tomorrow.
Wipfli is a leading accounting and business consulting firm, ranking among the top 20 in the nation. With a century of experience and a forward-thinking approach, we help clients achieve lasting results. Our team of eternal students brings cross-industry expertise and creativity to solve complex challenges...
Top Services:
BPO
HR Outsourcing
Business Consulting
Accounting
Mobile App Development
Show more
Location
Philadelphia, Pennsylvania
Number of Employees
1000 & Up
View Profile
3.0 3.0 (2)
Deloitte
Collaborating for Lasting Impact in Business Consulting
Collaborating for Lasting Impact in Business Consulting
Join us at Deloitte, where we believe that our collective influence is the cornerstone of our value. With a rich legacy spanning over 175 years and a global network encompassing 150 countries, we empower remarkable achievements, solve complex problems, and drive meaningful progress for clients, professionals...
Top Services:
Business Consulting
Accounting
HR Outsourcing
Big Data Analytics
CRM Consulting
Show more
Location
Pittsburgh, Pennsylvania
Number of Employees
1000 & Up
Portfolios Count
6 Projects Listed
View Profile
3.4 3.4 (83)
Grant Thornton
IT, Business, BPO, Audit, Tax and Advisory are just the beginning.
IT, Business, BPO, Audit, Tax and Advisory are just the beginning.
Grant Thornton LLP (US) is an IT, project management, audit, tax, AgTech, and BPO company headquartered in Chicago, Illinois with over 50 U.S. offices and access to a global network or member firms in over 135 countries. We offer a broad range of services in strategy and consulting, operations, technology and...
Top Services:
Accounting
Business Consulting
Market Research
HR Outsourcing
Software Development
Show more
Location
Pittsburgh, Pennsylvania
Number of Employees
1000 & Up
Average Hourly Rate
$35/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
2 Projects Listed
View Profile
4.5 4.5 (13)
Portiva
Portiva: Leading The Way In Medical Excellence
Portiva: Leading The Way In Medical Excellence
Portiva's Virtual Medical Assistant is the No. 1 Provider in the World Today...
Top Services:
Phone Answering Services
BPO
Call Centers
HR Outsourcing
Show more
Location
Trappe, Pennsylvania
Number of Employees
Under 49
Average Hourly Rate
$10/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
1 Project Listed
View Profile
5.0 5.0 (6)
InSource
From Staffing to Clouds, We've Got IT All Covered
From Staffing to Clouds, We've Got IT All Covered
Founded in 2000, InSource, Inc. has transformed from a leading IT technology staffing company to a trusted provider of cloud-based technology solutions centered around people, products, and processes. As an Elite ServiceNow Partner and a Managed Services Partner with Identity Management firm OKTA, we are...
Top Services:
Managed Services
Call Centers
HR Outsourcing
IT Services
Staff Augmentation
Show more
Location
Philadelphia, Pennsylvania
Number of Employees
250 - 499
Portfolios Count
4 Projects Listed
View Profile
4.6 4.6 (5)
Windows Management Experts Inc
Where Microsoft Strategy Meets Execution
Where Microsoft Strategy Meets Execution
Windows Management Experts is a Microsoft focused IT services firm delivering enterprise staffing, security, endpoint management, and cloud consulting...
Top Services:
IT Services
HR Outsourcing
Location
Bensalem, Pennsylvania
Number of Employees
250 - 499
Minimal Budget
$1,000 - $10,000
View Profile
4.9 4.9 (39)
LearnQuest
Learning Is A Lifelong Journey
Learning Is A Lifelong Journey
LearnQuest, with over 25 years of expertise, is a global leader in IT and business skills training. We offer award-winning classroom, online, and self-paced training across a wide range of IT subjects. Our strategic alliances with organizations like Microsoft and Google underscore our industry-leading...
Top Services:
IT Services
HR Outsourcing
Location
Philadelphia, Pennsylvania
Number of Employees
100 - 249
View Profile
1.0 1.0 (1)
Withum
Business & Technology Solutions
Business & Technology Solutions
Withum can be the new business advisor relationship you need to inspire innovation for your growth and success. Experience a fresh perspective on embracing what you’ve learned and refocusing your business strategy to thrive in an evolving, complex business environment. Whether you’re looking to strengthen...
Top Services:
Accounting
HR Outsourcing
Cybersecurity
IT Services
Show more
Location
Philadelphia, Pennsylvania
Number of Employees
1000 & Up
View Profile
5.0 5.0 (8)
My Biz Consulting LLC
The Best Business Solutions in One Place.
The Best Business Solutions in One Place.
My Biz Consulting LLC is a business consulting and solutions firm helping entrepreneurs, small businesses, organizations, and growing companies turn ideas into structured, executable strategies...
Top Services:
Reputation Management
Web Development
AEO
SEO
Advertising
Show more
Location
Philadelphia, Pennsylvania
Number of Employees
Under 49
Average Hourly Rate
$175/hr
Minimal Budget
$1,000 - $10,000
View Profile
5.0 5.0 (20)
EY
Building A Better Working World
Building A Better Working World
EY offers Accounting, Business Consulting, and IT Services with a mission to build a better working world. It provides insights and quality services that instill trust in global capital markets and economies. EY focuses on developing exceptional leaders who deliver on their commitments to all stakeholders...
Top Services:
Business Consulting
HR Outsourcing
Accounting
Cybersecurity
IT Services
Show more
Location
Pittsburgh, Pennsylvania
Number of Employees
1000 & Up
View Profile
ITAdOn IT Solutions
When You Succeed, We Succeed
When You Succeed, We Succeed
IT Advisors Online (ITAdOn) is a growing team of technology experts who are passionate about helping companies like yours boost their effectiveness. Join ITAdOn today and grow your business. When you succeed, we succeed!...
Top Services:
IT Services
Managed Services
HR Outsourcing
UI/UX Design
IT Compliance Solution
Show more
Location
Philadelphia, Pennsylvania
Number of Employees
Under 49
Average Hourly Rate
$10/hr
Minimal Budget
Under $1,000
Portfolios Count
1 Project Listed
View Profile
5.0 5.0 (54)
Capita
Capita is a transformation and digital services business, delivering innovative solutions and simplifying the links between businesses and customers, governments and citizens. We partner with clients to transform their businesses and services, taking on the complex and difficult things – so they don’t...
Top Services:
BPO
Customer Support
HR Outsourcing
Location
Philadelphia, Pennsylvania
Number of Employees
1000 & Up
View Profile
1.0 1.0 (1)
KPMG
Together, we achieve more.
Together, we achieve more.
Offering project management, business, and IT services. At KPMG LLP, their purpose is to turn knowledge into value for the benefit of their clients, people, and the capital markets...
Top Services:
Business Consulting
Market Research
Accounting
HR Outsourcing
IT Services
Show more
Location
Pittsburgh, Pennsylvania
Number of Employees
1000 & Up
View Profile
4.2 4.2 (58)
Evolve Blue
Innovative And Exceptional IT Services
Innovative And Exceptional IT Services
Empowering Businesses with Innovative Software Solutions. By bridging the gap between existing and emerging technologies, Evolve Blue helps you innovate faster, with less risk, on your path to digital transformation...
Top Services:
Web Development
Managed Services
IT Services
Staff Augmentation
HR Outsourcing
Show more
Location
King of Prussia, Pennsylvania
Number of Employees
Under 49
View Profile
4.8 4.8 (5)
Securis360
Your Security Partner.
Your Security Partner.
If you think about SOC2, ISO27001, ISO 42001, GDPR, HIPAA, HITRUST Services, Securis360 For you! We weave a web of protection so strong, even the most cunning spider wouldn't dare to tangle...
Top Services:
Staff Augmentation
Big Data Analytics
IT Compliance Solution
Cybersecurity
Market Research
Show more
Location
Pittsburgh, Pennsylvania
Number of Employees
50 - 99
Average Hourly Rate
$10/hr
Minimal Budget
Under $1,000
View Profile
4.3 4.3 (1)
4.9 4.9 (15)

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HR Outsourcing Company FAQs

What is an HR outsourcing agency?

An HR outsourcing agency is a third-party company that handles some or all of a business’ human resources functions. These agencies manage everything from payroll and benefits to compliance and employee relations.

Businesses typically hire an HR outsourcing agency so they can focus on higher-value initiatives such as talent development and organizational culture, maximize efficiency, and reduce overall expenses associated with maintaining an in-house HR department.

How can an HR outsourcing agency streamline people operations?

An HR outsourcing agency streamlines people operations by centralizing routine, complex functions pertaining to compliance management, payroll, and policy administration, into standardized workflows. These adjustments are intended to reduce error-prone manual interventions and ensure consistency across processes.

Through such specialized expertise and automation, organizations gain operational efficiency and better risk management, which supports workforce planning.

What kinds of organizations benefit most from HR outsourcing?

HR outsourcing tends to deliver the greatest value in organizations where operational complexity or growth outpaces internal capacity. Companies with distributed teams or heavy regulatory requirements also benefit from the precision and standardization an external HR partner provides, while also reducing compliance risk and administrative challenges.

Which HR outsourcing firms are top-rated on DesignRush in 2025?

The top-rated HR outsourcing firms on DesignRush in 2025 are:

What core and specialized HR services do outsourcing agencies provide?

HR outsourcing providers provide the following core and specialized services:

Payroll processing
Benefits administration
Compliance management
HR analytics and reporting
Employee onboarding and offboarding
Recruitment and talent acquisition
Workers' compensation and risk management
Employer of Record (EOR) services
Learning and development programs
Employee relations and dispute resolution

How do I find the best HR outsourcing firm on DesignRush that fits my budget?

The cost of HR outsourcing services in 2025 is highly variable. While a general range of $45 to $1,500 per month is a common starting point for many businesses, this figure can vary depending on the scope of services provided, the company's size, the complexity of HR needs, and the level of expertise required.

To get a more accurate estimate, here is a price breakdown for various HR services:

Recruitment: Up to $8,000 for 100 candidates
Compliance management: $12,000 per year
Payroll: Up to $250 per employee
Compensation and benefits: Up to $165 per year
HR management software: Between $70 and $100 per month

How quickly can companies expect HR efficiency gains?

The timeline for realizing HR efficiency gains can vary significantly depending on the specific functions being outsourced and the complexity of the organization. Immediate improvements are often seen in transactional areas like payroll processing and benefits administration, where a specialized provider can instantly introduce standardized, automated processes.

For other benefits pertaining to talent acquisition or employee engagement, the positive impacts may be more gradual, unfolding over several months to a year as new systems and strategies are fully integrated and adopted.

What should you look for when choosing an HR outsourcing provider?

Here are a few important factors to consider when choosing an HR outsourcing provider:

High client retention rate, as this indicates strong satisfaction
Dedicated account management rather than call center support
Industry-specific experience in your sector
Staff certifications from SHRM or HRCI
Team members with ESAC accreditation or IRS Certified PEO status
24/7 availability for urgent inquiries
Transparent pricing with no hidden fees
Clear error resolution procedures and liability coverage

What red flags should deter you from partnering with an HR outsourcing agency?

When selecting an HR outsourcing partner, certain warning signs can indicate misalignment or risk. Watch out for:

Opaque pricing, vague contracts, or missing insurance coverage
Reluctance to share references or explain service models
Pressure tactics, hidden subcontracting, or “too good to be true” offers
No clear service-level agreements or dispute resolution terms

What questions should you ask before engaging an HR outsourcing firm?

Here are some questions you should ask before engaging the services of an HR outsourcing firm:

What specific HR services do you provide, and can I select them individually?
How do you handle compliance in our industry and locations?
What happens if you make errors in payroll, benefits, or compliance?
What is your client retention rate, and can you provide 3-5 similar business references?
What insurance coverage do you carry to protect our business?
What is your complete pricing structure, including all fees?
What are your contract terms and cancellation policies?
How do you handle billing disputes or service credits?

How does HR outsourcing differ from traditional in-house HR or HR software solutions?

HR outsourcing differs from traditional in-house HR or HR software solutions by delegating a company's HR functions to an external provider, which offers specialized expertise and takes on legal liabilities.

While in-house HR relies on a company's own employees to manage all HR tasks, offering a more hands-on and culturally integrated approach, it often comes with higher fixed costs. HR software, conversely, is merely a tool that automates processes for an internal HR team that lacks the strategic guidance and human expertise that a full outsourcing partnership provides.

What platforms, compliance tools, and HRIS systems do leading HR outsourcing agencies use today?

Leading HR outsourcing agencies leverage a range of sophisticated platforms and systems to provide comprehensive services. For core HR functions, they often use robust Human Resources Information Systems (HRIS) like ADP, Workday, and Oracle HCM Cloud, which integrate payroll, benefits, and employee data management.

For global compliance, particularly with a distributed workforce, they utilize specialized platforms such as Deel, Rippling, and Oyster HR, which are designed to handle complex international regulations and payroll. These agencies also employ compliance-specific tools like ComplianceHR and NAVEX to track and align with federal, state, and local labor laws.

How legitimate is the FAQs?

We prioritize providing accurate and valuable information to businesses and agencies. To do so, we collaborated with Paul Scott, chief website strategist at the award-winning company GoingClear. He shared insights on how to find a good outsourcing partner that can make you a thriving business in a congested industry.

With over 20 years of experience in marketing, branding, web technologies, and advertising, Paul Scott has helped many nascent and established businesses propel growth, earning the firm 40+ industry awards. Boasting certifications from Cornell, MIT, and Clark, along with a finance degree from Bentley University, he uses his strong business acumen to advance modern, digital-first brands.

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Best Pennsylvania HR Service Providers

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Dimov Tax Services

Dimov Tax Reviews & Testimonials

Global IT Recruiting

Digital First Company

Recruiting with the Intention of Retention, because we know that your TALENT is the CORE of your VAL

Innovative staffing solutions for businesses

A premier staffing agency for businesses

Serving Up Today's Greatest Talent

IT Training And Consulting Pros

Connecting The Right People With The Right Opportunities

Helping Companies Establish & Expand Their Digital Footprint

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Portiva: Leading The Way In Medical Excellence

From Staffing to Clouds, We've Got IT All Covered

Where Microsoft Strategy Meets Execution

Learning Is A Lifelong Journey

Business & Technology Solutions

The Best Business Solutions in One Place.

Building A Better Working World

When You Succeed, We Succeed

Together, we achieve more.

Innovative And Exceptional IT Services

Your Security Partner.