Organization · Community
Silicon Roundabout
Silicon Roundabout is a London-based organization that supports European deeptech founders by providing a community for entrepreneurs, engineers, and investors. They focus on early-stage deeptech startups and aim to address the funding gap in this sector.
Overview
What Silicon Roundabout does
What Silicon Roundabout is
Silicon Roundabout is a London-based organization that supports European deeptech founders by providing a community for entrepreneurs, engineers, and investors. They focus on early-stage deeptech startups and aim to address the funding gap in this sector.
How it participates in the startup ecosystem
The current public profile supports funder and community capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Community
- Founded
- Founded in 2011
- Approximate age
- About 15 years
- Structured capabilities
- Funder · Community
- Last reviewed
- March 7, 2026
Official channels
Find Silicon Roundabout elsewhere
Open the official website or a supported primary organization account.
Capability profile
Silicon Roundabout as a funder
Investment thesis
Silicon Roundabout invests in deeptech startups, emphasizing the potential for significant impact through science-based technologies that address global challenges.
Focus narrative
Silicon Roundabout invests in deeptech startups, particularly in the early stages of development. The organization aims to address the funding gap in the deeptech sector, which represents only 13% of seed rounds in Europe.
Focus and fit
- Stages
- Pre-seed · Seed
- Sectors
- Frontier & Deep Tech
- Regions
- EuropeUnited Kingdom
Availability
- Currently deploying
- Not published
Portfolio and track record
- Recorded portfolio count
- 300
Portfolio context
Silicon Roundabout has supported over 5,000 founders and facilitated more than 300 events to connect startups with corporate partners, venture capitalists, and angel investors. Notable portfolio companies include EcoSync, focused on energy solutions; Kaizan, which provides tools for capturing and summarizing information from conversations; and ApTap, a technology company benefiting from the community's support.
Capability profile
Silicon Roundabout as a community
Community overview
Silicon Roundabout is an organization that supports European deeptech founders by providing a community for entrepreneurs, engineers, and investors. Founded in 2011 and based in London, UK, it aims to address the funding gap in the deeptech sector, which represents only 13% of seed rounds in Europe. The organization emphasizes the potential for significant impact through science-based technologies that address global challenges, such as climate change and advancements in health and computing.
Community focus
Silicon Roundabout invests in deeptech startups, particularly in the early stages of development. The organization focuses on connecting startups with corporate partners, venture capitalists, and angel investors to facilitate growth and innovation in the deeptech sector.
Member value
Members benefit from access to a network of over 5,000 founders and the opportunity to participate in more than 300 events designed to connect them with potential investors and partners. The community provides support and resources for navigating the challenges of early-stage deeptech development.
Membership
- Recorded members
- 5,000
- Pricing models
- free
Format and cadence
- Modality
- in-person
- Schedule
- rolling-admissions
- Commitment
- light
Availability
- Membership state
- Accepting
Audience and fit
- Audience
- Founders · Investors
- Benefits
- network-access and mentorship
- Program types
- community
- Selection criteria
- open
- Stages
- Pre-seed · Seed
- Regions
- EuropeUnited Kingdom
Community activity
- Annual events
- 300
Events and activity
Silicon Roundabout has facilitated more than 300 events to connect startups with corporate partners, venture capitalists, and angel investors.
Notable members
Notable portfolio companies include EcoSync, Kaizan, and ApTap. Key team members include Francesco Perticarari (Founder), Zsuzsa Mayer (CEO, Founder at EcoSync), Glen Calvert (CEO, Founder at Kaizan), and Will Billingsley (CEO, Founder at ApTap).
Connected ecosystem
Continue from Silicon Roundabout
These links use structured organization type, sector, and regional relationships. They do not imply endorsement or commercial similarity.
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Structured sector focus
Structured regional focus
Common questions
What to know about Silicon Roundabout
Upseed classifies Silicon Roundabout under the Community organization type. Its current public profile includes funder and community capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
March 7, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.