Top 100 HR Service Providers in Washington DC
The Best of December 2025
Human resources are one, if not the most crucial element of any business. HR plays a key role in developing, cultivating, and improving a company's culture. Organizations can retain their employees and ensure their well-being with a stable and effective HR solution.
Essentially, HR service providers are third-party vendors that provide a range of services that aim to help businesses nurture their employees. They typically offer recruiting operations, employee data management, and career planning solutions. Additionally, they give consultation and guidance to companies that want to strengthen their existing HR operations.
If you’re looking to hire a dedicated HR service provider soon, assess their client reviews and read through their case studies to see if they fit your needs.
List of the Best Washington DC Human Resources Services
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211$1,000+50 - 249 employeesColumbia, MDLevel One Personnel is a Business Consulting company based in Columbia, Maryland. Their services include Business Consulting and IT managed services.Read More
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212UndisclosedFreelancer employeesColumbia, MDPrescott HR Consulting is a HR Consulting company. They are located in Columbia, Maryland and have small team of experts. Their services include HR Consulting.Read More
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213Undisclosed10 - 49 employeesAshburn, VALogistics Integration Solutions (LIS) is a Staffing company. In Ashburn, Virginia, the firm was established in 2005. Their team focuses on Staffing and Recruiting.Read More
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214Undisclosed10 - 49 employeesHerndon, VAValidation Associates LLC is a small Staffing company. They focus on Staffing and Content Writing Services and were launched in 2012.Read More
Industries
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215$1,000+2 - 9 employeesMillersville, MDIn Millersville, Maryland, Bailiwick Search Group is a Staffing and Recruiting company. Launched in 2010, the team offers Staffing and Recruiting.Read More
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216Undisclosed2 - 9 employeesWoodbridge, VAStrategic Staffing Experts, LLC is a small Staffing company. They specialize in Staffing and Recruiting and were established in 2019.Read More
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217Undisclosed2 - 9 employeesRockville, MDMaxximus Environmental, Inc is a small Business Consulting company. Launched in 2000, the team provides Business Consulting and Staffing.Read More
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218$1,000+1,000 - 9,999 employeesBaltimore, MDSND Staffing Services is a Business Consulting company. Established in 2004, the agency provides Business Consulting and Accounting.Read More
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219$1,000+Freelancer employeesWoodbridge, VAHeart & Order is a Back Office Outsourcing company. Headquartered in Woodbridge, Virginia, their team focuses on Back Office Outsourcing and Document Digitization & Management.Read More
Industries
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220Undisclosed50 - 249 employeesElkridge, MDR&S Lowndes Management, an IT staff augmentation company, was established in 2017. The agency offers IT staff augmentation and Business Consulting, and is midsize.Read More
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221Undisclosed10 - 49 employeesBaltimore, MDFounded in 2010, CareNational is a small Staffing company located in Scottsdale, Arizona and Baltimore, Maryland. Their team provides Staffing and Executive Search.Read More
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222Undisclosed10 - 49 employeesManassas, VAContract Solutions, Inc. (CSI) is a Manassas, Virginia-based HR Consulting company. Established in 2006, the team specializes in HR Consulting and Staffing.Read More
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223Undisclosed10 - 49 employeesWashington, DCPerformance Management Services LLC is a small Washington, District of Columbia-based Business Consulting company. The team specializes in Business Consulting and BI & big data consulting & SI.Read More
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224$10,000+10 - 49 employeesWashington, DCRead More
Diversity Works is a business consulting company. The small Washington, District of Columbia-based company was founded in 2020. Their team offers business consulting.
Clients
AMS FulfillmentIndustries
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225Undisclosed10 - 49 employeesArlington, VABusiness Consulting company CDC International Consulting LLC was launched in 2017. The agency offers Business Consulting and Corporate Training & Coaching.Read More
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226Undisclosed10 - 49 employeesWashington, DCEstablished in 1991, Tai Pedro & Associates, P.C is an Accounting company. Their services include Accounting and IT managed services.Read More
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227Undisclosed10 - 49 employeesTowson, MDRead More
Capital Services, Inc. is a business agency based in Towson, Md. with more than 10 team members. They have offered business consulting and HR services since their founding in 2012.
Clients
Vital Signs LLC -
228Undisclosed10 - 49 employeesSeverna Park, MDEighty2i is a small Severna Park, Maryland-based Business Consulting company. Their services include Business Consulting and Staffing.Read More
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229Undisclosed2 - 9 employeesSeverna Park, MDEstablished in 2019, CA Search Advisors is an Executive Search company. Their team offers Executive Search.Read More
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230Undisclosed2 - 9 employeesArlington, VAKent, Campa and Kate, Inc. Is a Corporate Training & Coaching company. They were founded in 2012 and provide Corporate Training & Coaching and Business Consulting.Read More
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231Undisclosed2 - 9 employeesHyattsville, MDCarter Enterprise Solutions, LLC is an IT managed services company. The team provides IT managed services and Cybersecurity, and the company is in Hyattsville, Maryland.Read More
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232Undisclosed2 - 9 employeesSilver Spring, MDDunathan Consulting LLC is a Business Consulting company. Headquartered in Silver Spring, Maryland, their small team offers Business Consulting and Accounting. The company was founded in 2004.Read More
Industries
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233Undisclosed50 - 249 employeesColumbia, MDJASINT Consulting and Technologies, LLC is a software development company launched in 2007. The team provides Custom Software Development and IT managed services.Read More
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234Undisclosed10 - 49 employeesDerwood, MDAlliance Consulting Corp., a small IT staff augmentation company, is based in Derwood, Maryland. Their services include IT staff augmentation and Business Consulting.Read More
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235Undisclosed10 - 49 employeesLinton Hall, VAFounded in 2023, Outbounds IT Systems Inc is an IT staff augmentation company. The team specializes in IT staff augmentation and Recruiting and is in Linton Hall, Virginia.Read More
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236UndisclosedFreelancer employeesAnnapolis, MDUsa plumbing pro is a Customer Service Outsourcing company. Based in Annapolis, Maryland, the company was launched in 2022. Their team provides Customer Service Outsourcing and Advertising.Read More
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237Undisclosed2 - 9 employeesHanover, MDHeadquartered in Hanover, Maryland, Malden Solutions LLC is a small Accounting company. The team focuses on Accounting and Recruiting.Read More
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238Undisclosed250 - 999 employeesLaurel, MDLaunched in 2006, ERP International is a midsize Laurel, Maryland-based cloud consulting & SI company. Their services include cloud consulting & SI and ERP consulting and SI.Read More
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239Undisclosed250 - 999 employeesOwings Mills, MDHR Consulting company PEI Staffing, LLC is located in Owings Mills, Maryland. Founded in 2010, the team specializes in HR Consulting and Back Office Outsourcing.Read More
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240Undisclosed50 - 249 employeesFrederick, MDIHire is a HR Outsourcing company. Established in 1999, the firm offers HR Outsourcing and HR Consulting.Read More
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