Tom Blomfield
Group Partner @ Y Combinator
London, United Kingdom
Tom Blomfield is a pre-seed investor at Y Combinator in London focused on Artificial Intelligence and Software. Tom Blomfield is based out of San Francisco, California and is currently works as a Group Partner for Y Combinator. Tom previously worked at Monzo Bank as a President. Tom Blomfield attended the University of Oxford.
- Total investments:
- 240
- Last investment:
- Lead investor:
- 57%
Last updated:
For AI agents: llms.txt
Industries Tom Blomfield invests in
Stages Tom Blomfield invests in
Countries Tom Blomfield invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $2M–$8.4M
- Pre-Seed
- $500k–$500k
- Series A
- $9.5M–$47M
Investment Focus
Industry
- Artificial Intelligence 94 (39%)
- Software 67 (28%)
- FinTech 38 (16%)
- SaaS 31 (13%)
- Financial Services 31 (13%)
Stage
- Pre-Seed 141 (59%)
- Seed 69 (29%)
- Series A 19 (8%)
- Series B 4 (2%)
- Series C 2 (1%)
Country
- United States 121 (50%)
- United Kingdom 43 (18%)
- Canada 5 (2%)
- Germany 4 (2%)
- France 3 (1%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Spott is Spott's goal is to provide a recruitment platform that third-party recruiters love. Designed for the AI era, Spott will enhance the hiring process in every way, including presentation, matching candidates with positions, and search. | $21M / Series A / Sep 22, 2026 | ||
| Apollo Atomics is the developer of a nuclear technology designed to provide sustainable power and to meet energy demands with deployment. | $26M / Seed / Aug 20, 2026 | ||
| Agave develops financial operations software for construction contractors that connects project management and enterprise resource planning (ERP) systems. Its platform automates accounting workflows, including invoice processing, expense management, and financial data synchronization, and uses AI to reduce manual data entry and improve accuracy.Agave also provides real-time financial visibility by integrating project, field, and accounting information across construction systems. The platform supports a range of construction accounting and ERP applications to help contractors manage financial operations more efficiently. | $15M / Series A / Jul 07, 2026 | ||
| Proception specializes in the development of advanced humanoid robotic hands and robotic systems. | $11M / Seed / Jun 29, 2026 | ||
| Ontora is a software that connects business data sources, analyzes workflows, and identifies process issues with recommended actions. | $500K / Pre-Seed / Jun 16, 2026 | ||
| Apollo Atomics is the developer of a nuclear technology designed to provide sustainable power and to meet energy demands with deployment. | $500K / Pre-Seed / Jun 16, 2026 | ||
| Memory Store is a platform that offers a shared memory storage space for office teams and workforce. | $500K / Pre-Seed / Jun 16, 2026 | ||
| Cohesion develops artificial intelligence software that automates public equity investment research workflows for institutional investors. The company builds autonomous AI agents that monitor corporate earnings calls, investor presentations, regulatory filings, podcasts, social media feeds, and other unstructured datasets relevant to listedcompanies. These agents filter noise, surface material business developments, and synthesize updates to investment theses. Cohesion focuses on supporting long/short and long-only fundamental equity strategies by reducing manual data gathering and tracking tasks performed by analysts. Its tools integrate investment signals across multiple data sources to help users identify new ideas and understand real-time drivers of stock performance. The platform is designed for hedge funds and other professional asset managers seeking to systematize research processes using AI-driven workflows. | $500K / Pre-Seed / Jun 16, 2026 | ||
| Zolvo offers software that automates lending operations, reconciles invoices, monitors portfolios, and generates financial reporting data. | $500K / Pre-Seed / Jun 16, 2026 | ||
| Pentagon develops software for coordinating AI agents, enabling communication, task management, and shared memory. | $500K / Pre-Seed / Jun 16, 2026 | ||
| See all 240 investments → | |||
Co-Investors
About Y Combinator
Y Combinator invests a standard amount of capital in exchange for equity and through uncapped safe agreements. Participants engage in a three-month intensive cycle that focuses on product development and preparations for fundraising. The firm offers access to a private networking platform for knowledge sharing and hosts events featuring speakers from various sectors. This program culminates in a presentation event where founders showcase their businesses to a curated group of investors.
Y Combinator Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Boris Jabes
Visiting Partner
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Luther Lowe
Head of Public Policy
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Max Kolysh
Visiting Partner
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Brad Flora
Group Partner
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Calvin French-Owen
Visiting Group Partner
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FAQ
What does Tom Blomfield invest in?
Tom Blomfield invests primarily in Artificial Intelligence, Software and FinTech startups, most often at Pre-Seed and Seed stage. Most of the 240 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Tom Blomfield's check size?
Tom Blomfield typically joins rounds of $2M–$8.4M at Seed, $500k–$500k at Pre-Seed and $9.5M–$47M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Tom Blomfield participates in.
How do I contact Tom Blomfield?
Public channels for Tom Blomfield include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Tom Blomfield last invest?
The most recent investment recorded for Tom Blomfield closed in Sep 2026. Shizune tracks 240 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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