Builder Capital
Builder Capital is a Toronto-based early-stage venture capital fund that invests pre-seed and seed capital in deep tech startups working on cryptography, photonics, robotics, advanced manufacturing, and AI. The fund backs technical founders across a global portfolio of roughly 11 companies.
- Company typePrivate
- Founded-
- HeadquartersToronto, Canada
- Headcount1–10
- GTM typeB2B
- OfferingServices
What Builder Capital does
Builder Capital is a Toronto, Canada-based early-stage venture capital fund with a team of 1–10 employees that backs technical founders building at the frontier of deep technology. The fund's stated investment thesis centers on five verticals — cryptography, photonics, robotics, advanced manufacturing, and AI — and is framed around backing "the hardest problems" where the firm expects enduring companies to emerge. Builder Capital does not develop proprietary technology; it deploys equity capital into pre-seed and seed-stage startups, sourcing deals through direct founder outreach, industry networks, and inbound applications via its website portfolio showcase.
The fund's portfolio comprises approximately 11 companies spanning distinct deep tech sectors and geographies. Notable positions include Grass (a residential proxy network built on a cryptographic primitive for AI Live Context Retrieval), Neurophos (a photonic-tensor-core AI chip company co-backed by Gates Frontier), Feather (a general-purpose robotics platform founded by ex-Google and Tesla engineers), and Octra (a Fully Homomorphic Encryption blockchain network). Additional portfolio companies span payments (Coinflow), cloud cost optimization (Antimetal), cybersecurity (Octane Security), decentralized compute (Aethir), and AI infrastructure (Prodia Labs). Portfolio companies are based across the U.S. (San Francisco, New York, Austin, Palo Alto, Atlanta, Delaware), Switzerland, and Singapore, reflecting global sourcing capability disproportionate to the fund's small team size.
As a venture capital fund, Builder Capital's revenue mechanics follow standard fund economics — generating returns through equity investments realized via portfolio company exits (acquisitions, IPOs, secondaries), alongside management fees on committed capital and carried interest on investment returns. Specific fund size, AUM, fee structure, LP composition, and team details are not publicly disclosed in the available source data. The fund's distribution model is relationship-driven rather than campaign-based, with its website functioning primarily as a portfolio showcase and inbound contact channel rather than as a content-marketing engine.
Builder Capital firmographics
Firmographics- Name
- Builder Capital
- Website
- https://buildercapital.io
- Company type
- Private
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Builder Capital is a Toronto-based early-stage venture capital fund that invests pre-seed and seed capital in deep tech startups working on cryptography, photonics, robotics, advanced manufacturing, and AI. The fund backs technical founders across a global portfolio of roughly 11 companies.
- Ownership category
- akta.pro rank
Builder Capital industry classification
Industry- Product category
- Venture Capital
- NAICS
- Other Investment Pools and Funds (5259), Funds, Trusts, and Other Financial Vehicles (525), Other Financial Vehicles (525990)
- SIC
- Investment Advice (6282)
- akta.pro primary industry
- Early-Stage Venture Capital (Series A/B) (FSANAAAB)
- akta.pro secondary industry
- Sector-Focused Venture Capital (Vertical Specialists) (FSANAAAD)
Keywords
Where Builder Capital is headquartered
LocationHeadquarters
- HQ city
- Toronto
- HQ country
- Canada
- HQ region
- North America
Markets served
Builder Capital business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D
Revenue model
- Investment Returns / Fund Management Fees: As an early-stage venture capital fund, Builder Capital generates returns through equity investments in portfolio companies. Returns are realized through portfolio company exits via acquisitions, IPOs, or secondary transactions. The fund likely charges management fees on committed capital and earns carried interest on investment returns.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels1 record
Builder Capital product offering
Product offeringCore offering
Builder Capital is an early-stage deep tech venture capital fund that invests in scientists and engineers building breakthrough technologies in cryptography, photonics, robotics, advanced manufacturing, and AI. The fund deploys equity capital into seed and pre-seed rounds of deep tech startups and generates returns through portfolio company exits, management fees, and carried interest.
Product overview
Builder Capital is an early-stage deep tech venture fund, not a product company. The fund operates as a single unified investment vehicle focused on backing founders building at the forefront of cryptography, photonics, robotics, advanced manufacturing, and AI. The portfolio consists of 12 portfolio companies across various deep tech sectors, including Grass (cryptographic proxy network), Neurophos (photonic AI chips), Feather (general-purpose robotics platform), Octra (FHE blockchain), and others in payments, cloud infrastructure, and cybersecurity.
Differentiator
Problem solved
Functional benefit
Products and services
- Builder Capital Early-Stage Deep Tech Fund
Companies that use Builder Capital
Customer profileSegments1 record
Ideal customer profiles1 record
Builder Capital technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Builder Capital partnerships and signals
Strategic signalScale indicators1 record
Recent moves6 records
Expansion highlights5 records
Builder Capital competitors and assessment
Company assessmentMarket position
Competitive moat4 records
Key risks1 record
Key highlights5 records
Customer concentration
Builder Capital social profiles
Digital presenceBuilder Capital financial estimates
Financial estimateRevenue estimate
Valuation estimate
Builder Capital leadership team
Management profileNumber of profiles
Builder Capital funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Builder Capital M&A and investment
M&A and investmentM&A
Investments36 records
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Builder Capital
What does Builder Capital do?
Builder Capital is an early-stage deep tech venture capital fund that invests in scientists and engineers building breakthrough technologies in cryptography, photonics, robotics, advanced manufacturing, and AI. The fund deploys equity capital into seed and pre-seed rounds of deep tech startups and generates returns through portfolio company exits, management fees, and carried interest.
Is Builder Capital a public or private company?
Builder Capital is a private company. It is classified as unknown and is currently operating.
When was Builder Capital founded?
Builder Capital was founded in -1. It employs 1 to 10 people.
Where is Builder Capital based?
Builder Capital is headquartered in Toronto, Canada, in the North America region.
How does Builder Capital make money?
One revenue line is on record: investment Returns / Fund Management Fees.
Does Builder Capital have an API?
No public API is recorded for Builder Capital.
What industry is Builder Capital in?
Builder Capital's product category is Venture Capital. Its primary akta.pro industry code is FSANAAAB, Early-Stage Venture Capital (Series A/B), with a secondary code of FSANAAAD, Sector-Focused Venture Capital (Vertical Specialists). Its NAICS code is 5259 and its SIC code is 6282.