# Professional Services Automation

Ranked by the Vioscale composite score: a confidence-weighted blend of independent signals, not user reviews.

| # | Software | Score | Confidence | Vendor |
|--:|---|--:|---|---|
| 1 | [Teamwork.com](https://www.vioscale.ai/software/teamwork-com) | 70.1 | 75% (high) | - |
| 2 | [Deltek Vantagepoint](https://www.vioscale.ai/software/deltek-vantagepoint) | 65 | 18% (low) | - |
| 3 | [HaloPSA](https://www.vioscale.ai/software/halopsa) | 62.2 | 75% (high) | - |
| 4 | [Scoro](https://www.vioscale.ai/software/scoro) | 58.2 | 75% (high) | - |
| 5 | [BigTime](https://www.vioscale.ai/software/bigtime) | 54.6 | 53% (medium) | - |
| 6 | [Accelo](https://www.vioscale.ai/software/accelo) | 32 | 33% (low) | - |
| 7 | [ConnectWise PSA](https://www.vioscale.ai/software/connectwise-psa) | 29.9 | 7% (low) | - |
| 8 | [Autotask PSA](https://www.vioscale.ai/software/autotask-psa) | 27.3 | 76% (high) | - |
| 9 | [Productive](https://www.vioscale.ai/software/productive) | 20.4 | 77% (high) | - |
| 10 | [Kantata](https://www.vioscale.ai/software/kantata) | 8.7 | 7% (low) | - |
| 11 | [Certinia](https://www.vioscale.ai/software/certinia) | 8.7 | 7% (low) | - |

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*Source: Vioscale (https://www.vioscale.ai/categories/professional-services-automation).*