πŸ”¬ Private Company Watchlist β€” 30 Companies Ranked
πŸ‘οΈ
Showcase mode β€” full watchlist visible while subscriptions are not yet live. Each company card is tagged with the tier it will sit behind once subscriptions open: Free (top 2 by score), Premium β€” Β£70/month (most of the watchlist), or Corporate β€” Β£4,000/month (HOT-rated companies with full analyst coverage). When subscriptions go live, only the Free tier cards will be visible without login.
πŸ‡ΊπŸ‡Έ qubit Diversified Alternative Yield Fund, LP (CIK 0001799865)
Early Β· Quantum Computing
Free tier when live
56/100
WATCH
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Raised
0
Patents
0
Article Mentions
SEC Form D
Source
AI Analyst Note Β· Despite the evocative name and quantum-adjacent branding, this entity appears to be a diversified alternative yield fund β€” a conventional private investment vehicle β€” rather than an operating quantum computing company, making the domain keyword matches deeply misleading. The presence of "qubit" and "quantum" in the name almost certainly reflects a marketing or naming choice rather than any underly…
πŸ‡ΊπŸ‡Έ Qubit Coinvestment, L.P. (CIK 0002086166)
Early Β· Quantum Computing
Free tier when live
56/100
WATCH
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Raised
0
Patents
0
Article Mentions
SEC Form D
Source
AI Analyst Note Β· Quantum computing is entering a critical inflection point as government and enterprise investment accelerates around fault-tolerant qubit architectures, making domain exposure increasingly relevant for forward-looking portfolios. Qubit Coinvestment, L.P. stands out structurally as a coinvestment vehicle rather than an operating company, suggesting it is designed to provide LPs with direct access t…
πŸ‡ΊπŸ‡Έ Diversified Alternative Yield Endowment Fund, LP (CIK 0001799865)
Early Β· Quantum Computing
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56/100
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β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
AI Analyst Note Β· Quantum computing is approaching an inflection point where near-term applications in optimization, cryptography, and materials simulation are beginning to justify serious capital allocation, making domain exposure increasingly relevant for sophisticated portfolios. However, the entity here β€” **Diversified Alternative Yield Endowment Fund, LP** β€” presents an immediate and significant credibility co…
πŸ‡ΊπŸ‡Έ QUANECO VI LP (CIK 0001262082)
Early Β· Quantum Computing
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56/100
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β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ QUANTUM PACIFIC TACTICAL EQUITY FUND LP (CIK 0001443047)
Early Β· Quantum Computing
Premium when live
56/100
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β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
AI Analyst Note Β· Quantum computing sits at a genuine inflection point, with error correction milestones from Google and Microsoft beginning to close the gap between laboratory demonstration and commercial utility β€” making domain exposure increasingly relevant for forward-looking portfolios. However, this particular vehicle warrants immediate scepticism: the name "Quantum Pacific Tactical Equity Fund LP" suggests t…
πŸ‡ΊπŸ‡Έ Quantum 2004 Production Program (CIK 0001483121)
Early Β· Quantum Computing
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56/100
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β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
AI Analyst Note Β· Quantum computing sits at a genuine inflection point, with government and enterprise capital flooding into the sector as fault-tolerant systems edge closer to practical utility, making early positioning potentially valuable β€” but only in credible operators. This entity raises immediate red flags: a name referencing "2004 Production Program" combined with zero dollars raised, zero patents, and no m…
πŸ‡ΊπŸ‡Έ Highland Park & Penn Apartments LLC (CIK 0001936047)
Early Β· Quantum Computing
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56/100
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β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
AI Analyst Note Β· Highland Park & Penn Apartments LLC presents significant red flags that suggest a fundamental mismatch between its registered entity type and its purported technology domain. The name and LLC structure are strongly indicative of a real estate holding company rather than a deep technology venture, and the combination of zero capital raised, zero patents, and zero mentions in any financial or scient…
πŸ‡ΊπŸ‡Έ Polaris Quantum Biotech, Inc. (CIK 0001804907)
Early Β· Quantum Computing
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56/100
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β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ Quantum Designs, LLC (CIK 0001843379)
Early Β· Quantum Computing
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56/100
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β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
AI Analyst Note Β· Quantum computing is entering a critical inflection point where early commercial applications in optimization, cryptography, and materials simulation are beginning to justify serious capital allocation, making this an appropriate domain for forward-looking family office exposure. Quantum Designs, LLC is superficially interesting due to its keyword alignment with core hardware paradigms β€” quantum, …
πŸ‡ΊπŸ‡Έ Quaneco LLC (CIK 0001332345)
Early Β· Quantum Computing
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56/100
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β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ Bradford Park LLC (CIK 0001862185)
Early Β· Quantum Computing
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56/100
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β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ QUANTUM ENERGY 2011 DRILLING & PRODUCTION PROGRAM (CIK 0001516599)
Early Β· Quantum Computing
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56/100
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β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ QUANTUM ENERGY L L C (CIK 0001069635)
Early Β· Quantum Computing
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56/100
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β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ Quantum Aurea Fund I, LP (CIK 0001848610)
Early Β· Quantum Computing
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56/100
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β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ QPP V Offshore Investors, LP (CIK 0001468312)
Early Β· Quantum Computing
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56/100
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β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ Prestige Quantum Ventures LLC (CIK 0002067197)
Early Β· Quantum Computing
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56/100
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Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ QUANTUM ENERGY PARTNERS V, LP (CIK 0001440741)
Early Β· Quantum Computing
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56/100
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β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ Quantum Technologies Investors 5 LP - Series 1 (CIK 0002121434)
Early Β· Quantum Computing
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56/100
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Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ EdenBase Quantum Fund LP (CIK 0002118865)
Early Β· Quantum Computing
Premium when live
56/100
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Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ D-Wave Quantum Inc. (QBTS) (CIK 0001907982)
Early Β· Quantum Computing
Premium when live
56/100
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Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ Quantum Technologies Investors 1 LP - Series 4 (CIK 0002059149)
Early Β· Quantum Computing
Premium when live
56/100
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β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ Atlantic Quantum Corp. (CIK 0001932875)
Early Β· Quantum Computing
Premium when live
56/100
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β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ HALO, a Series of Quantum Capital Management, LLC (CIK 0001877609)
Early Β· Quantum Computing
Premium when live
56/100
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β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ QUANTUM FUND S LP (CIK 0002096614)
Early Β· Quantum Computing
Premium when live
56/100
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β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ Quantum Leap 1.1.1 Fund L.P. (CIK 0002073834)
Early Β· Quantum Computing
Premium when live
56/100
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β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ Quantum Technologies Investors 1 LP - Series 2 (CIK 0002045698)
Early Β· Quantum Computing
Premium when live
56/100
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β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ Quantum Technologies Investors 3 LP - Series 1 (CIK 0002109677)
Early Β· Quantum Computing
Premium when live
56/100
WATCH
β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ Quantum Technologies Investors 7 LP - Series 1 (CIK 0002127995)
Early Β· Quantum Computing
Premium when live
56/100
WATCH
β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ Quantum Technologies Investors 1 LP - Series 3 (CIK 0002054026)
Early Β· Quantum Computing
Premium when live
56/100
WATCH
β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source
πŸ‡ΊπŸ‡Έ TRENCHANT TECHNOLOGIES CAPITAL CORP. (CIK 0001520556)
Early Β· Quantum Computing
Premium when live
56/100
WATCH
β€”
Raised
0
Patents
0
Article Mentions
SEC Form D
Source

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πŸ” How We Find Them

Five data sources, all cross-referenced against FSI's 55,000-article corpus for independent corroboration. A company that appears across multiple sources scores higher.

πŸ›οΈ
Companies House
UK share allotments and new share classes filed at Companies House β€” picks up private funding rounds within days of completion. Cross-referenced with our 55k article corpus.
πŸ“‹
SEC Form D
US private placement notices must be filed within 15 days of a round closing. We monitor EDGAR daily for deep tech companies across our 33 domains.
⚑
Equity Crowdfunding
Crowdcube and Seedrs active raises β€” companies that have cleared platform due diligence and are actively seeking investors. Often the first public signal.
πŸ”¬
Patent Filings
EPO and USPTO patent applications from domain-matching assignees. Patent activity in a specific domain before a company raises is a strong leading indicator.
πŸ“Š
Crunchbase Rounds
Structured funding data from Crunchbase, filtered to our 33 technology domains. Cross-referenced against article corpus for corroboration.
πŸ“Š Scoring Framework (0–100)
Factor Max pts Notes
Domain momentum 20 Is the domain in FSI's 33 active technology areas?
Stage 15 Early stage scores highest β€” more upside, less priced in
Source quality 15 SEC Form D > Companies House > Patents > Crowdfunding
Patent activity 15 5pts per patent filing, capped at 15
Article corroboration 15 Mentions in FSI's 55k-article corpus β€” independent signal
Funding amount 10 Β£500k–£10M sweet spot β€” early but de-risked
Keyword depth 10 Domain-specific terminology match depth

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Regulatory note: Frontier Signal Intelligence publishes general investment signal intelligence. It is not authorised or regulated by the Financial Conduct Authority. Private Markets Intelligence is for informational purposes only and does not constitute personalised investment advice. Investing in private-markets companies carries significant risk of total loss. Past performance does not guarantee future results. Capital at risk. Always seek independent professional advice before making investment decisions.