# Basis vs Fieldguide: who uses which

On usedby, 18 companies use Basis and 10 use Fieldguide. 2 companies use both, including Citrin Cooperman and CohnReznick. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side. Latest check 2026-10-07: 28 of 28 public lines checked.

## Side by side

|  | [Basis](https://www.usedby.ai/tools/basis.md) | [Fieldguide](https://www.usedby.ai/tools/fieldguide.md) |
|---|---|---|
| Public customers | 18 | 10 |
| Confirmed | 4 | 7 |
| Observed | 14 | 3 |
| Signals (job posts) | 0 | 0 |
| Top industries of named customers (confirmed or observed) | Accounting & Audit (1) | Accounting & Audit (1) |
| Category | Finance & Accounting AI | Finance & Accounting AI |
| Security | SOC 2 Type II, ISO 27001, ISO 42001 ([getbasis.ai](https://www.getbasis.ai/security), checked 2026-10-07) | — |
| Data residency | United States ([getbasis.ai](https://www.getbasis.ai/security), checked 2026-10-07) | — |
| Your data | Not used to train models by default. ([getbasis.ai](https://www.getbasis.ai/security), checked 2026-10-07) | — |
| Data processing terms | A data processing agreement is available. ([getbasis.ai](https://www.getbasis.ai/legal/privacy-policy), checked 2026-10-07) | 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.

| Company |
|---|
| [Citrin Cooperman](https://www.usedby.ai/companies/citrin-cooperman.md) |
| [CohnReznick](https://www.usedby.ai/companies/cohnreznick.md) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Basis: [Boyum Barenscheer](https://www.usedby.ai/case-studies/boyum-barenscheer-basis.md): story without a checked figure. (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)

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