Sandstone secures $30M to deploy AI for corporate legal teams

As Harvey and Legora secure eight-figure funding rounds, legal tools have emerged as one of the fastest-growing and most fiercely competitive verticals among AI startups. However, while these tools target private practice, some startups believe a significant portion of the legal market remains underserved.
Sandstone, which announced a $30 million Series A on Tuesday, focuses on a neglected segment of the legal space: the tangled web of overlapping tasks and systems that in-house legal teams navigate daily.
Lightspeed Venture Partners led the Series A, with participation from existing investors including Sequoia, Mantis VC, SV Angel, Operator Partners, Kearny Jackson, Daybreak Ventures, Litquidity Ventures, and others. The round follows a $10 million seed round led by Sequoia just six months earlier, in January.
According to the founders, Sandstone’s initial user base will be the legal departments of small and mid-sized businesses.
“Each morning, they open their laptop and see all the work that has come in through various intake channels—Slack messages, emails, Jira,” co-founder and COO Jarryd Strydom told TechCrunch. “AI helps them route and triage that work appropriately, then they can build custom workflows on our platform to actually execute work, whether it’s drafting, reviewing, or providing legal analysis.”
The result bears little resemblance to legal reasoning systems like Harvey and Legora. Instead, Sandstone focuses on relationship management and workflow automation, both tailored to the unique demands of in-house legal work. As Strydom sees it, concentrating on in-house legal departments allows Sandstone to deliver value where broader AI deployments often struggle.
“One of Lightspeed’s convictions was their strong belief in highly specialized vertical AI,” Strydom says, “because it takes a granular understanding of workflows to truly determine how AI can help.”
Sandstone will also face stiff competition from frontier AI labs, which are increasingly turning their attention to the legal space. Anthropic, for instance, has been steadily expanding its Claude for Legal offering, adding new tools in May for case law searches and deposition preparation.
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As Harvey and Legora secure eight-figure funding rounds, legal tools have emerged as one of the fastest-growing and most fiercely competitive verticals among AI startups. However, while these tools target private practice, some startups believe a significant portion of the legal market remains underserved.
Sandstone, which announced a $30 million Series A on Tuesday, focuses on a neglected segment of the legal space: the tangled web of overlapping tasks and systems that in-house legal teams navigate daily.
Lightspeed Venture Partners led the Series A, with participation from existing investors including Sequoia, Mantis VC, SV Angel, Operator Partners, Kearny Jackson, Daybreak Ventures, Litquidity Ventures, and others. The round follows a $10 million seed round led by Sequoia just six months earlier, in January.
According to the founders, Sandstone’s initial user base will be the legal departments of small and mid-sized businesses.
“Each morning, they open their laptop and see all the work that has come in through various intake channels—Slack messages, emails, Jira,” co-founder and COO Jarryd Strydom told TechCrunch. “AI helps them route and triage that work appropriately, then they can build custom workflows on our platform to actually execute work, whether it’s drafting, reviewing, or providing legal analysis.”
The result bears little resemblance to legal reasoning systems like Harvey and Legora. Instead, Sandstone focuses on relationship management and workflow automation, both tailored to the unique demands of in-house legal work. As Strydom sees it, concentrating on in-house legal departments allows Sandstone to deliver value where broader AI deployments often struggle.
“One of Lightspeed’s convictions was their strong belief in highly specialized vertical AI,” Strydom says, “because it takes a granular understanding of workflows to truly determine how AI can help.”
Sandstone will also face stiff competition from frontier AI labs, which are increasingly turning their attention to the legal space. Anthropic, for instance, has been steadily expanding its Claude for Legal offering, adding new tools in May for case law searches and deposition preparation.
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