Onshore

AI for corporate tax

2.7Score#418 of 999 agents#4 of 7 in Tax preparer

Why it ranks #418

Onshore, an AI tax preparer from YC W23, ranks #418 of 999 AI agents and #4 of 7 in Tax preparer, with a score of 2.7 of 10. Data as of 3 Oct 2026.

The score adds four parts, each 0 to 10, by weight. Every point comes from public evidence. How scoring works ·

Proof 0 × 30% 0.0
Scale 6 × 30% 1.8
Momentum 0 × 25% 0.0
Autonomy 6 × 15% 0.9
= 2.7

Proof
Do customers use it? 30% of the score
0
No public claims of customers or revenue yet.
Not found: revenue or growth (+4), named customers (+3), a customer result (+2), a customer count (+2), work done at scale (+2)
Scale
Is there a real company behind it? 30% of the score
6
60 people.
- +6
  60 people on its YC page50 to 99 people
Not found: funding round in its news (+3)
Momentum
Is it shipping and growing now? 25% of the score
0
Nothing new in the last 6 months.
Not found: launch YC post in the last 6 months (+3), open roles on YC (+2), new traction claim in the last 6 months (+2), funding news in the last year (+2), a batch in the last year (it is YC Winter 2023) (+1)
Autonomy
How much of the job does it do on its own? 15% of the score
6
Supervised agent: takes actions in other systems; a person approves key steps.
- +6
  Level 2 of 4: Supervised agentTakes actions in other systems; a person approves key steps.
What the model read
- Acts in other systems: 26% likely
- Finishes whole tasks: 29% likely
- Calls itself an agent: 2% likely
- Level 1 from the model's reading of its pages; the evidence review found, with quotes, that its AI acts in the work, so the level is 2
Level 2: Takes actions in other systems; a person approves key steps.

About Onshore

Onshore uses AI to prepare corporate R&D tax credits.

With our technology, anyone can prepare an R&D Tax Credit accurately and fast. To provide some background, the R&D Credit is often cited as the most complex and audited tax credit in the United States. With that in mind, we set out to create software to achieve two primary objectives:

1. Ensure that any credit computed with our software is exactly what the IRS is asking for in terms of quality.

2. Democratize the ability to perform high quality R&D Credit studies extremely fast.