By Jeff Packard, Founder and CEO of BizFirst (two decades in GovCon and technical recruiting). Published September 8, 2026. About a 10-minute read. Corrections: info@bizfirst.net.
Disclosure: BizFirst publishes this guide and is one of the firms included. “Top 10” means 10 firms we believe merit consideration for this hiring need, not a 1-to-10 ranking. Firms are grouped by buyer fit, evaluated using the same factors, and no placement is paid. Company-reported figures are labeled. See our methodology.
The top 10 at a glance
This is an unranked shortlist organized by buyer fit. Best fit identifies the clearest use case. Confirm before choosing gives you a practical point to verify with the firm.
| Firm | Provider type | Best fit | Confirm before choosing |
|---|---|---|---|
| Insight Global | National staffing with a government practice | High-volume IT and professional staffing for government programs | Named delivery owner, workload, and support for smaller requirements |
| TEKsystems | Enterprise IT staffing | Large IT and public-sector programs where scale and process matter | Minimum engagement size and depth for your exact labor categories |
| System One | National workforce solutions with federal subsidiaries | Government staffing and outsourced services across technical and professional programs | Whether System One or a specialist subsidiary will deliver the work |
| Day & Zimmermann | Cleared workforce solutions | Cleared technical and intelligence staffing for larger programs | Exact delivery model and fit for a small set of openings |
| Beacon Hill | Multi-specialty national staffing | Proposal, capture, contract, and surge support through its government practice | Which division and delivery team will own your work |
| iQuasar | Cleared GovCon recruiting | Proposal hiring, urgent backfill, and cleared recruiting programs | Capacity for your volume and the terms behind advertised speed |
| GDH | Cleared RPO and staffing | Embedded cleared IT and engineering ramps that scale | Role coverage outside IT and engineering |
| Sparks Group | DC-area staffing and recruiting | Government and cleared staffing across DC, Maryland, and Virginia | Coverage for nationwide programs and your specific role mix |
| ClearanceJobs and Point Solutions Group | Cleared talent platform plus staffing | Broad cleared-community reach with expanding managed staffing capability | Whether you need self-service sourcing or managed delivery, and what each includes |
| BizFirst | Senior-led GovCon recruiting | Cleared, financial-management, and technical search with published pricing | Fit for enterprise-scale, nationwide, or very high-volume staffing |
The short version. Government contracting hiring is its own discipline. It runs on cleared talent, proposal and post-award deadlines, and program-driven demand that surges and contracts. The firms built for it range from national IT staffing companies to cleared and GovCon specialists, an expanding talent platform, and boutique senior-led search. This guide sorts them by the hiring situations each appears best suited to. For clearance-first hiring, see our companion cleared recruiting firms and platforms guide.
Contents
- What counts as a GovCon staffing firm
- How to choose a GovCon staffing firm
- National staffing firms with federal practices
- Cleared and GovCon specialists
- Cleared talent platform and staffing
- Boutique, senior-led
- What we looked at
- FAQs
- Source ledger
What counts as a GovCon staffing firm
GovCon staffing spans the full range of program roles, cleared and non-cleared, technical and professional, on both contract and direct-hire terms. It overlaps with, but is broader than, cleared recruiting, which focuses specifically on clearance-holding candidates. One thing to keep separate: a prime contractor that recruits only for its own programs is not a third-party staffing firm. Decide whether you need contract capacity, permanent search, or an embedded team, then compare firms inside that model.
How to choose a GovCon staffing firm
The strongest firm on paper can still be the wrong firm for your contract. Ask each finalist the same questions and require examples that resemble your program:
- Hiring situation: Is your need proposal support, a post-award ramp, steady-state backfill, or all three?
- Clearance and access: How does the firm verify clearance eligibility, agency access, polygraph status, and ability to support your work location?
- Labor-category fit: Can it map education, experience, certifications, and compensation to your contract labor categories and bill rates?
- Delivery ownership: Who owns the work, how many other accounts or requisitions do they carry, and who reviews submissions?
- Proof and terms: What comparable programs can the firm document, and what do the fee, markup, guarantee, exclusions, and commitment require?
For a call-ready scorecard, see How to Evaluate a GovCon Recruiting Partner Before You Sign.
National staffing firms with federal practices
Insight Global
A large national staffing firm with a dedicated government practice that places cleared IT and professional talent across agencies and programs.
Best fit: high-volume IT and professional staffing with a large recruiting network. Confirm: the named delivery owner, workload, submission review, and support for a smaller requirement.
TEKsystems
Part of Allegis Group, TEKsystems runs large IT and engineering staffing programs, including cleared and public-sector work, built for enterprise-scale delivery.
Best fit: large IT and public-sector programs where scale and process matter. Confirm: minimum engagement size and recent experience with your exact labor categories, clearance requirements, and agencies.
System One
A national workforce-solutions company that offers contract, contract-to-hire, direct-hire, managed staffing, and RPO. Its government practice includes federal-focused subsidiaries such as GAP Solutions and KeyLogic.
Best fit: technical and professional staffing or outsourced services for larger government programs. Confirm: whether System One or a specialist subsidiary will own delivery, and which services, labor categories, and clearances are included.
Day & Zimmermann
A long-established workforce-solutions company whose staffing operations support cleared technical and intelligence hiring for defense and intelligence-community customers.
Best fit: cleared technical and intelligence staffing for larger programs. Confirm: the exact delivery model, contract arrangement, and support for a small set of openings.
Beacon Hill
A large multi-specialty national staffing organization with a federal and government practice that supports proposal and capture hiring and maintains a substantial cleared network.
Best fit: proposal, capture, contract, and surge support through a broad staffing organization. Confirm: which division and delivery team will own your work, its workload, and recent like-for-like results.
Cleared and GovCon specialists
iQuasar
A GovCon-focused recruiting firm supporting DoD, DHS, NSA, and CIA contractors, with models for concurrent roles, urgent surge hiring (RapidHire, backed by a 48-hour backfill guarantee), embedded recruiting, and proposal-required positions. It supports requirements from Public Trust suitability through TS/SCI access with CI, full-scope, and lifestyle polygraphs. Company-reported: first submissions in one to two business days for most Secret and TS roles, over 85% offer acceptance, and a database of more than 1.6 million resumes oriented to cleared hiring.
Best fit: proposal hiring, urgent backfill, and cleared recruiting programs. Confirm: capacity for your volume and the definitions and terms behind advertised speed and performance figures.
GDH
An independent firm that runs cleared IT and engineering hiring as an embedded RPO, vetting for Top Secret, TS/SCI, and full-scope polygraph. In one government engagement it reported delivering more than 25 candidates a week, cutting time-to-fill by 43% and cost-to-hire by 50%, filling 200-plus positions in four months, and scaling from 200 to 400-plus roles across agencies (company-reported).
Best fit: cleared IT and engineering ramps run as an embedded RPO that scales up and down. Confirm: coverage and comparable results for roles outside IT and engineering.
Sparks Group
A long-running Washington, DC-area staffing and recruiting firm with a dedicated government and security-clearance practice across the District, Maryland, and Virginia, placing cleared professional, administrative, and IT talent.
Best fit: government and cleared staffing across the DC metro. Confirm: coverage for nationwide programs, your specific role mix, and the recruiter assigned to the engagement.
Cleared talent platform and staffing
ClearanceJobs (DHI Group)
Owned by DHI Group and founded in 2002, ClearanceJobs reported 2 million registered cleared candidates in June 2026 (company-reported). DHI expanded beyond subscriptions and sourcing by acquiring AgileATS in 2025 and Point Solutions Group in March 2026. Point Solutions Group adds government staffing, technical services, federal past performance, and a Top Secret facility clearance to the broader offering.
Best fit: broad reach into the cleared GovCon community with a newly expanded path to managed staffing. Confirm: whether your proposal covers self-service sourcing, recruiting services, staffing, or a combination, who employs contract workers, and who owns day-to-day delivery.
Boutique, senior-led
BizFirst
A Northern Virginia boutique built for GovCon, running senior-led searches across cleared roles up to TS/SCI with polygraph, financial management and audit readiness, and technical and program positions for federal primes and subcontractors. A senior Client Delivery Lead who carries only three or four clients owns each engagement and reviews every submission. BizFirst publishes pricing across its models: DirectHire is contingent at 10% to 15% of first-year salary, HireSelect is a flat $3,500 single-role search, and PartnerHire is priced monthly plus a flat $1,000 placement fee. Company-reported: first qualified candidates in about three business days on PartnerHire and 94% of placements still in seat past 90 days. See our GovCon recruiting and federal services pages, and the Navy financial-management case study.
Best fit: cleared, financial-management, and technical GovCon search where a buyer wants senior oversight and published pricing. Confirm: fit for enterprise-scale, nationwide, or very high-volume staffing.
What we looked at
This is an editorial shortlist, not a scored ranking. We reviewed current public information and grouped firms by what decides a GovCon hiring decision: reach into the federal and cleared talent pools, the role and clearance requirements each addresses, delivery model, evidence of scale, engagement ownership, and pricing transparency. To be included, a company had to offer recruiting, staffing, or a clearly defined talent-delivery service to outside buyers, not merely recruit for its own programs. Public information cannot show the quality of the individual recruiter assigned to a future engagement, so buyers should verify that directly. Metrics labeled company-reported are the firm's own claims, not independently audited.
FAQs
If you want senior-led GovCon recruiting with pricing you can see before you call, that is what BizFirst offers. See our GovCon recruiting page and pricing, and our companion guides on cleared recruiting firms and proposal and post-award ramp firms. If a national or specialist firm above fits your program better, use this guide to choose it.
Source ledger
All competitor pages accessed September 8, 2026. Metrics marked company-reported are the firm's own claims, not independently audited.
| Claim | Source | Source type | Basis |
|---|---|---|---|
| Insight Global government staffing practice and cleared IT and professional placement | Insight Global government | Company page | Company-stated |
| TEKsystems enterprise IT and public-sector staffing | TEKsystems government | Company page | Company-stated |
| System One government practice, federal subsidiaries, and staffing and recruiting models | System One government; workforce solutions | Company pages | Company-stated |
| Day & Zimmermann cleared technical and intelligence workforce solutions | Day & Zimmermann | Company page | Company-stated |
| Beacon Hill government staffing, proposal and capture support | Beacon Hill Government Services | Company page | Company-stated |
| iQuasar service models, clearance coverage, advertised speed, acceptance rate, and resume database | iQuasar cleared recruitment | Company page | Company-reported |
| GDH cleared IT and engineering RPO case-study results | GDH government case study | Company case study | Company-reported |
| Sparks Group DC, Maryland, and Virginia government and cleared staffing | Sparks Group cleared recruiting | Company page | Company-stated |
| ClearanceJobs 2 million registered candidates; DHI acquisitions of AgileATS and Point Solutions Group | DHI Group; Point Solutions Group announcement | Company and investor release | Company-reported |
| BizFirst GovCon coverage, delivery model, pricing, retention, and submission timing | BizFirst GovCon; pricing; how it works | Company pages | Company-reported |