Angel investor based in United Kingdom. 18 companies backed across 26 recorded rounds, Jun 2020 – Jun 2025.
Sectors of the companies in the portfolio, by company count.
Head-office city of the companies in the portfolio.
Rounds by stage.
Total size of the rounds they joined — an angel's own cheque is a share of this, and is not disclosed.
Every company Lachy Groom appears as an investor in, most recent round first.
| Company | City | Sectors | Latest round | Rounds | Round value |
|---|---|---|---|---|---|
| Netic | San Francisco | Agentic AIMarketingTechArtificial Intelligence | Series A Jun 2025 | 1 | $20M |
| Zepto | Series E+ Jun 2024 | 5 | $1.2B | ||
| Baseten Technologies | San Francisco | AI InfrastructureArtificial IntelligenceAI as a Service | Series B Mar 2024 | 3 | $60M |
| Meter LED | San Francisco | Telecom Infrastructure Tech | Series B Feb 2024 | 2 | $73M |
| Vital | Toronto | Healthcare ITHealthTechDigital Diagnostics Platforms | Series A Jul 2023 | 1 | $48M |
| Diagram | New York City | Product Management ToolsSoftware Modelling ToolsMobile DevTools | Unattributed May 2022 | 1 | $3M |
| NexHealth LED | San Francisco | Healthcare ITHealthTech SaaSHealthTech | Series C Apr 2022 | 1 | $125M |
| Hadrian | Los Angeles | Manufacturing TechCloud ManufacturingIndustry 4.0 | Series C Mar 2022 | 1 | $90M |
| Endgame | Los Angeles | MarketingTechArtificial IntelligenceMarket Research Tools | Series B Feb 2022 | 1 | $30M |
| SuperShare | Bengaluru | Loyalty Software | Series A Feb 2022 | 1 | $6.5M |
| Placer | Covina | Geographic Information SystemsVertical Business Intelligence | Series C Jan 2022 | 1 | $100M |
| Beacon AI | Aviation IT | Seed Nov 2021 | 1 | — | |
| Density LED | San Francisco | Facility Management TechIoT ApplicationsSmart Buildings | Series D Nov 2021 | 1 | $125M |
| Gather | San Francisco | Enterprise CollaborationRemote Work ToolsFuture of Work | Series B Nov 2021 | 1 | $50M |
| Selfbook | New York City | PaymentsHotel ITFinTech | Series A Oct 2021 | 1 | $25M |
| Humaans LED | London | HRTechHRMS for SMBsGlobal SaaS | Series A Jun 2021 | 2 | $20M |
| Nana | Oakland | Local ServicesHome Improvement ServicesB2C E-Commerce | Seed Nov 2020 | 1 | $6M |
| Matter LED | San Francisco | Productivity SoftwareInternet First MediaInternet First News Aggregators | Seed Jun 2020 | 1 | $2M |
Investors that appear in the same rounds. Two names in one round is what "invested together" means here — it is not a claim about a relationship off the cap table.
| Investor | Type | Based | Shared rounds | Shared companies |
|---|---|---|---|---|
| Glade Brook Capital | Firm | Greenwich | 5 | 1 |
| Nexus Venture Partners | Firm | Menlo Park | 5 | 1 |
| Y Combinator | Firm | Mountain View | 5 | 3 |
| Sam Altman | Firm | Chicago | 4 | 3 |
| Scott Belsky | Angel | 4 | 4 | |
| Dylan Field | Angel | Penngrove | 4 | 4 |
| Greylock | Firm | Menlo Park | 3 | 1 |
| Sequoia Capital | Firm | Menlo Park | 3 | 2 |
| Next Play Ventures | Firm | Menlo Park | 3 | 3 |
| South Park Commons | Firm | San Francisco | 3 | 1 |
| Founders Fund | Firm | San Francisco | 3 | 3 |
| Caffeinated Capital | Firm | San Francisco | 2 | 2 |
| StepStone Group | Firm | New York City | 2 | 1 |
| Sanjit Biswas | Angel | 2 | 1 | |
| Frontline Ventures | Firm | Dublin | 2 | 1 |
| Moonfire | Firm | London | 2 | 1 |
| Goodwater Capital | Firm | Burlingame | 2 | 1 |
| Jeff Weiner | Angel | Kansas City | 2 | 2 |
| base case | Firm | San Francisco | 2 | 2 |
| Jay Simons | Angel | 2 | 2 |