# Blue J vs Fieldguide: who uses which

On usedby, 27 companies use Blue J and 35 use Fieldguide. 1 company uses both, including RSM US. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side. Latest check 2026-10-10: 62 of 62 public lines checked.

## Side by side

|  | [Blue J](https://www.usedby.ai/tools/blue-j.md) | [Fieldguide](https://www.usedby.ai/tools/fieldguide.md) |
|---|---|---|
| Public customers | 27 | 35 |
| Confirmed | 24 | 7 |
| Observed | 3 | 28 |
| Signals (job posts) | 0 | 0 |
| Top industries of named customers (confirmed or observed) | Accounting & Audit (21), Legal & Compliance (2), Agency & Studio (1) | Accounting & Audit (28), Management Consulting (1) |
| Category | Finance & Accounting AI | Finance & Accounting AI |
| Security | SOC 2 Type II ([bluej.com](https://www.bluej.com/security), checked 2026-10-07) | — |
| Data residency | United States ([bluej.com](https://www.bluej.com/security), checked 2026-10-07) | — |
| Your data | Not used to train models by default. ([bluej.com](https://www.bluej.com/security), checked 2026-10-07) | — |
| Free trial | Free trial or free plan available. ([bluej.com](https://www.bluej.com/pricing), checked 2026-10-07) | — |
| Data processing terms | — | A data processing agreement is available. ([fieldguide.com](https://www.fieldguide.com/trust), checked 2026-10-08) |

## Companies named on both

Confirmed or observed on each side. The first public proof is not an adoption date.

| Company | First public proof, Blue J |
|---|---|
| [RSM US](https://www.usedby.ai/companies/rsm-us.md) | On or before September 2025 |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Blue J: [R2 Advisors](https://www.usedby.ai/case-studies/r2-advisors-blue-j.md): **6–8 hours**: “this user saving 6–8 hours per week on tax research” (captured by usedby 2026-10-07)
- Blue J: [McKonly & Asbury](https://www.usedby.ai/case-studies/mckonly-asbury-blue-j.md): **5 hours**: “Time Saved Per Week: Up to 5 hours/user” (captured by usedby 2026-10-07)
- Fieldguide: [Holbrook & Manter](https://www.usedby.ai/case-studies/holbrook-manter-fieldguide.md): **35-50%**: “Holbrook & Manter’s teams are already saving 35-50% in hours per engagement.” (captured by usedby 2026-10-07)
- Fieldguide: [BerryDunn](https://www.usedby.ai/case-studies/berrydunn-fieldguide.md): **75%**: “helping reduce the amount of on-site travel by 75%” (captured by usedby 2026-10-07)

---
Source: https://www.usedby.ai/compare/blue-j-vs-fieldguide · How we check: https://www.usedby.ai/methodology