Company record
Sandstone
Updated November 2, 2026 · Presspool
Sandstone is a platform for in-house legal teams that puts intake, triage, drafting, review and knowledge retrieval in one place, with AI across that work. sandstone.com
Funding
- $30M Series A, announced June 9, 2026. Led by Lightspeed Venture Partners. Sources: sandstone.com.
Whether AI names Sandstone
- On the Legal AI map: named or cited in 1 of 52 answers to Presspool's Legal AI questions on November 2, 2026 (ChatGPT 0 of 8, Claude 0 of 8, Perplexity 1 of 8, Gemini 0 of 8, Copilot 0 of 8, Google AI Mode 0 of 8, Google AI Overviews 0 of 4). See the map. Of the 32 companies on the map, Sandstone ranked joint 25th by answers naming or citing it in that sample. The other companies AI names most on Legal AI questions: Harvey (48 of 52), Spellbook (33 of 52), Legora (26 of 52), Luminance (26 of 52) and LegalOn (11 of 52). Most often named in the same answers: GC AI (1), Harvey (1), LEGALFLY (1), Spellbook (1).
Week by week
Answers that named or cited Sandstone in each weekly sample of Presspool's Legal AI questions, by the Monday of the sample week. A row is added every week.
| Week of | Legal AI |
|---|---|
| September 28, 2026 | 4 of 51 |
| October 5, 2026 | 2 of 48 |
| October 12, 2026 | 3 of 51 |
| October 19, 2026 | 2 of 54 |
| October 26, 2026 | 4 of 54 |
| November 2, 2026 | 1 of 52 |
Related records
Also on the Legal AI map: August, Briefpoint, Chamelio, Clearbrief, Crosby, Darrow, DeepJudge, Definely, Eudia, Eve, EvenUp, Falcon and 19 more on the map.
Lightspeed Venture Partners, which led this round, also led LMArena ($200 million Series B, October 8, 2026), Harvey ($550M, round type not disclosed, September 9, 2026) and Inferact ($150 million Seed, January 22, 2026). It is also named as an investor in Different ($48 million Seed, October 20, 2026), Avarra ($17 million Series A, October 6, 2026) and Inworld AI ($50 million, round type not disclosed, August 2, 2023).
Founders on the record
- Nick Fleisher, CEO and co-founder. Source.