Chief AI Officer
Best Fractional CAIO Firms
Fractional CAIO firms scored on the same public rubric as the rest of the index.
7 firms, ordered by score. Methodology
Search 7 fractional CAIO firms for reviews and scores.
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The fractional CAIO role
A fractional CAIO leads AI part-time, or on a defined scope. This hub scores 7 firms. bosio.digital publishes The CEO AI Program starts at $25K .. Valerian Valkin, Fractional Chief AI Officer publishes $4,500 for two weeks. CDO Advisors publishes $7,500-$18,500/mo. The other 4 firms leave the monthly rate unpublished.
Top-Scored Fractional CAIO Firms
The whole set for this role, scored against the public methodology. A firm's score is the same number used on its profile.
| # | Firm | Best for | Price | Score | Links |
|---|---|---|---|---|---|
| 1 |  Valerian Valkin, Fractional Chief AI Officer Lisbon, Portugal | US service businesses between $1 million and $50 million that want Valerian Valkin as a part-time Chief AI Officer working from Lisbon. | Not published | 71 / 100 | Visit site |
| 2 |  EPC Group Houston, TX | Enterprises that want a Houston-based Microsoft firm, founded in 1997, for a virtual Chief AI Officer plus data and Copilot work. | Not published | 59 / 100 | Visit site |
| 3 | Founders who want a founder-led AI program with Sascha that includes a scoped fractional Chief AI Officer. | Not published | 55 / 100 | Visit site | |
| 4 | Mid-market companies that want a fractional Chief AI Officer on a published monthly tier. | $8k-$19k/mo | 55 / 100 | Visit site | |
| 5 | UK SMEs that want a part-time Fractional CMO, with Chief AI Officer support from the same team. | Not published | 41 / 100 | Visit site | |
| 6 |  LightSight AI Seattle, WA | Mid-market companies and private-equity portfolio teams that want a part-time Chief AI Officer. | Not published | 41 / 100 | Visit site |
| 7 | Growing companies and private equity portfolio companies that want Fractionus to match a fractional CFO, CMO, CTO, COO, CRO, CIO, CHRO, or CAIO. | Not published | 39 / 100 | Visit site |
Rank here reflects the whole CAIO set. See the methodology.
Last verified 2026-10-28. View changelog
- 2026-10-27Initial ranking for this role, ordered by overall score.
- 2026-10-28Added firms verified on their own sites and ordered the page by score.
Recently verified
Every edit to this ranking is dated.
- 2026-10-28CAIO rankingAdded firms verified on their own sites and ordered the page by score.
- 2026-10-27CAIO rankingInitial ranking for this role, ordered by overall score.
Full Firm Directory
Every firm in this directory, searchable by name.
7 of 7 firms
UK SMEs that want a part-time Fractional CMO, with Chief AI Officer support from the same team.
Mid-market companies that want a fractional Chief AI Officer on a published monthly tier.
EPC Group
Houston, TX · Founded 1997
Enterprises that want a Houston-based Microsoft firm, founded in 1997, for a virtual Chief AI Officer plus data and Copilot work.
Growing companies and private equity portfolio companies that want Fractionus to match a fractional CFO, CMO, CTO, COO, CRO, CIO, CHRO, or CAIO.
Valerian Valkin, Fractional Chief AI Officer
Lisbon, Portugal
US service businesses between $1 million and $50 million that want Valerian Valkin as a part-time Chief AI Officer working from Lisbon.
LightSight AI
Seattle, WA · Founded 2026
Mid-market companies and private-equity portfolio teams that want a part-time Chief AI Officer.
Founders who want a founder-led AI program with Sascha that includes a scoped fractional Chief AI Officer.