Top 10 Staff Augmentation / Dedicated Teams Agencies in Illinois (2026)

As of 2026, the top-ranked staff augmentation / dedicated teams agency in Illinois on AgencyCluster is Robert Half Technology, with an AgencyCluster Score of 100/100. Rankings are based on verified evidence across credibility, proof of work, reputation, category specialization, delivery maturity, and freshness. Rankings are updated periodically as new evidence becomes available.

This list features 8 agencies selected from AgencyCluster's curated directory. Each agency was evaluated using the AgencyCluster Score (0–100), with particular weight on demonstrated expertise in staff augmentation / dedicated teams. Only agencies with verified credentials are eligible, and rankings cannot be purchased. The agencies on this list average 30+ years of experience. For full methodology details, see our How We Rank page.

Ask about their recruitment and vetting process — how do they select engineers for your team? Check their developer retention rates. Ask about timezone overlap and communication practices. For long-term engagements, ask about knowledge transfer and IP protection processes.

Individual developer rates range from $40–$120/hour depending on seniority and location. Dedicated teams (3–5 engineers) typically cost $25K–$60K/month. Long-term contracts (6+ months) often come with 10–20% discounts.