The Top 10 Administrative Recruiting Agencies in Ontario, CA

Notable employers
Ontario International AirportKaiser Permanente Ontario Medical CenterAmazon ONT6 Fulfillment CenterUPS Supply Chain SolutionsCity of Ontario
Common job titles
  • · Administrative Assistant
  • · Executive Assistant
  • · Office Manager
  • · Receptionist
  • · Data Entry Clerk
Coverage on RecruiterRank
22vetted agencies
94,907Google reviews
4.7avg rating
Employers and job titles reviewed by RecruiterRank editorial. Coverage stats are live from this directory. Methodology →

Positioned as a strategic hub in the Inland Empire, the city's thriving logistics, manufacturing and distribution sectors create sustained demand for skilled administrative professionals who can manage complex operations and support growing businesses. Healthcare facilities, government offices and professional services firms throughout the region rely heavily on qualified administrative talent to maintain efficient daily operations and customer service excellence. The competitive nature of Ontario's job market means that companies seeking top administrative candidates benefit significantly from partnering with specialized recruiting agencies that understand local industry needs and maintain deep talent networks. Selecting the right recruiting partner can dramatically reduce time-to-hire while ensuring access to pre-vetted candidates who match specific organizational requirements.

Here's our list of the top 10 administrative recruiters in Ontario

1
4.9(654 reviews)

In this climate it is essential that business's run at maximum efficiency to keep up with the intense competition bred from a new economy. We believe that employee scalability is one of the most important keys to achieving balance within your company or division. We're here to help you manage the issues that arise when dealing with capacity constraints and the pressure of employee retention in both growth and contracting phases. Flexible staffing solutions and a strong pool of qualified candidates across a wealth of industries is what sets us apart from the pack as a Temcula Staffing Agency. At Great Hire we look forward to investing in your company's future and are committed to fulfilling all of your staffing needs efficiently.

2
4.9(63,545 reviews)

Partners Personnel works with you to provide the best staffing service and solutions in Greenville/Spartanburg, South Carolina and the surrounding areas. By leveraging our experience, local market knowledge, and commitment to safety and service, we are able to provide customized staffing solutions to fit your needs. We currently provide a workforce greater than 16,000 employees and are one of the fastest-growing staffing firms in the US. Take advantage of our 24/7 job search engine or contact us today to find an opportunity that fits your needs, schedule, and skillset.

3
4.7(174 reviews)

PARTNER WITH US Adept HR is a leading staffing agency that specializes in providing temporary and permanent staffing solutions to businesses across diverse industries. With our vast network of qualified candidates and a dedicated team of experienced recruiters, we have been serving both large enterprises and small businesses with exceptional talent acquisition services. Since our inception, we have strived to build strong relationships with clients and candidates alike, ensuring the perfect fit for every position and fostering success for both parties. WE'RE HIRING! If you are looking for exciting opportunities and professional support in your job search journey Adept HR is here for you! Apply on our website or visit our office.

4
4.6(33 reviews)

GAIN ACCESS TO THE MOST DIVERSE AND SKILLED TALENT TODAY Top Tier HR brings a team of independent recruiters together to deliver candidate and industry recruiting expertise backed by geographic specializations, this means we provide specialized talent within niche areas and locations through our vast network across USA. In addition, we provide businesses with the most accurate nationwide information available regarding temporary employees, this can include criminal background checks, as well as address history and previous employment verification. Hiring temporary workers, you are comfortable with is important, and we provide the information you need to make the right decision for your business.

5
4.6(263 reviews)

CloudPersonnel is your Flexible Workforce Solution during these Uncertain Times. We treat our workforce with the respect, empathy, and consideration they deserve. Our strategic business partners receive our commitment to results, excellence, honest communication and a business partner that operates within all ethical and legal requirements. Excellence is our Goal, Honesty is our Commitment, Always Your Trusted Business Partner. Flexible Staffing, Temp to Hire, Human Resources, Payroll Processing, Worker's Compensation Insurance. Light Industrial, Warehouse, Logistics, Administrative, Clerical. Hablamos Espanol

6
4.6(4,161 reviews)

We specialize in connecting organizations across the United States with exceptional administrative, clerical, customer service, manufacturing, and production talent through temporary, temporary-to-hire, and direct hire placements. Operating from more than 100 locations in nearly every major metropolitan market nationwide, we serve as one of the largest privately held staffing companies in the country. Founded in 1994 as part of Roth Staffing Companies, we bring three decades of expertise to workforce solutions, offering everything from traditional staffing to large-scale strategic services including Master Vendor, VMS, and MSP programs. Our commitment to creating remarkable experiences for every person, every time, has earned us recognition as the only staffing company to receive all of the industry's top awards for client service, employee satisfaction, and temporary worker experience.

7
4.6(12 reviews)

Founded in 2016 and based in Ontario, California, we are a Joint Commission Gold Seal-certified healthcare staffing agency serving hospitals, medical offices, and government health organizations across Southern California. We specialize in placing Registered Nurses across all specialties, Licensed Vocational Nurses, Certified Nursing Assistants, and clerical and HR professionals on short-term local contracts, travel assignments, and permanent engagements. Our commitment to rigorous credentialing and quality assurance has earned us the trust of clients including county public health departments, and our expanded clerical staffing division ensures that administrative functions receive the same level of careful candidate matching as clinical roles. Every placement reflects our dedication to supporting the caregivers who support their communities.

8
4.5(240 reviews)

We deliver specialized staffing solutions for light industrial, clerical, and information technology sectors across Southern California. Our full-service agency focuses on providing clerical and light industrial staffing solutions to manufacturers and distribution centers, matching qualified candidates with positions ranging from entry-level temporary roles to executive placements. Operating from our offices in Ontario and Lancaster, California, we understand the unique demands of around-the-clock industries and offer 24-hour support to address staffing challenges. Our commitment to finding hard-to-find talent sets us apart, as we take a common-sense approach to recruitment that connects reliable, skilled workers with companies seeking to strengthen their workforce efficiently and effectively.

9
4.4(38 reviews)

Since 2016, we have provided quality staffing services from our Southern California offices in Riverside and Ontario, serving clients across multiple states including New York, New Jersey, Illinois, Georgia, and Texas. We specialize in light industrial, clerical, and hospitality placements through both direct hire and temp-to-hire arrangements. Our mission centers on delivering dependable workforce solutions at reasonable rates for our clients while offering flexibility and competitive pay to every worker we place. Whether businesses need to fill short-term gaps or find long-term team members, we take a hands-on approach to matching the right people with the right opportunities, ensuring both employers and employees achieve their goals.

10
4.4(4 reviews)

Serving Southern California employers, we are a professional job placement agency based in Ontario, California, specializing in light industrial, hospitality, and business services staffing. As one of the region'''s top permanent and temporary placement agencies, we have earned the trust of job seekers and employers throughout the greater Southern California area by delivering flexible, reliable workforce solutions. Our services include permanent placement, temp-to-hire, and temporary staffing, supported by hiring, training, and retention strategies that help businesses build agile teams while reducing the risks associated with hiring. We are committed to matching the right people with the right opportunities every time.

Each agency profile includes comprehensive details about services offered, client reviews and direct contact information to help you make an informed decision for your administrative hiring needs. These rankings reflect verified Google reviews and are updated regularly to ensure accuracy and relevance. We encourage you to review multiple agencies to find the recruiting partner that best aligns with your company's culture and staffing requirements.

Our Methodology

Every ranking on RecruiterRank is derived from third-party Google Reviews — no agency can pay to rank higher. We use a Bayesian adjusted scoring algorithm to ensure agencies with more reviews carry more weight, preventing small sample sizes from distorting results. For agencies with multiple offices, we compute a weighted average across all locations.