SUBJECT-0308.dossier · company · status: active
BC
subject of file

Bannon & Co.

Investment banking firm specializing in media deals founded by Steve Bannon after Goldman Sachs
Tracked because Investment banking firm specializing in media deals founded by Steve Bannon after Goldman Sachs · 7 documented connections
Facts on record11
Connections mapped7
Sources cited17
Evidence: 5P 1S 5I
Network web → Timeline → Compare with… → Position Drift → Coverage tone → View on Graph → View Card → Export CSV JSON Dossier ← Entity Directory
Stated vs Revealed
No documented contradictions on file.
PATTERN person → [affiliation] → person → [founder] → company 128× PATTERN person → [founder] → company 113× PATTERN person → [investor] → person → [founder] → company 109× PATTERN person → [colleague] → person → [founder] → company 43× PATTERN company → [founder] → person → [colleague] → person 43×
Connection Map
Key Connections
→ Goldman Sachs organisation
founder
Bannon and colleagues from Goldman Sachs launched Bannon & Co. in 1990.
→ Castle Rock Entertainment company
client (negotiated sale)
Bannon & Co. negotiated the sale of Castle Rock Entertainment to Turner Broadcasting, accepting a financial stake in TV shows including Seinfeld instead of a full adviser's fee.
→ SG Cowen Securities Corporation company
merged into
Following acquisition by Société Générale, Bannon & Co. was brought into SG Cowan as co-head of media investment banking.
→ Société Générale company
acquired_by
French investment bank purchased Bannon & Co. in 1998
→ Societe Generale Bannon, L.L.C. company
joint venture
Joint venture formed in late 1996, leading to FINRA registration
← Steve Bannon person
founder
Co-founded boutique investment bank with Goldman Sachs colleagues in 1990
← Scot Vorse person
co-principal
Co-principal alongside Steve Bannon
Facts (11)
Data Freshness
Ageing Last update: 159d ago · Avg age: 2531d
Confidence Tiers: Primary Source — cross-referenced government/corporate filings Pending Review — sourced but not independently verified AI Inference — analytical hypothesis from cross-referencing
✓ Verified Findings (6)
Independently re-checked: a second model read the source artifact and confirmed it supports the extracted claim.
✓ verified Partially Corroborated Bannon & Co. filed filing with the SEC on 2003-04-15. Accession number: N/A.
✓ verified Primary Source Bannon & Co. negotiated sale of Castle Rock Entertainment to Turner Broadcasting, accepting financial stake in TV shows including Seinfeld instead of full adviser's fee
✓ verified Primary Source In 1998, Societe Generale acquired Bannon & Co. completely, bringing Bannon into SG Cowan as co-head of media investment banking
✓ verified Primary Source In 1990, Bannon and colleagues from Goldman Sachs launched Bannon & Co., a boutique investment bank specializing in media
Date: 1990-01-01 Added: 08 Apr 2026 ↗ SOURCE: Wikipedia and CBS News
✓ verified Partially Corroborated Société Générale purchased Bannon & Co. in 1998
✓ verified Primary Source Steve Bannon co-founded Bannon & Co. in 1990 with several Goldman Sachs colleagues, creating a boutique investment bank specializing in media transactions
All Connections (7)
→ Société Générale company
acquired_by confirmed
French investment bank purchased Bannon & Co. in 1998
joint venture confirmed
Joint venture formed in late 1996, leading to FINRA registration
merged into primary since 1998
Following acquisition by Société Générale, Bannon & Co. was brought into SG Cowan as co-head of media investment banking.
→ Goldman Sachs organisation
founder primary since 1990
Bannon and colleagues from Goldman Sachs launched Bannon & Co. in 1990.
client (negotiated sale) primary since 1990
Bannon & Co. negotiated the sale of Castle Rock Entertainment to Turner Broadcasting, accepting a financial stake in TV shows including Seinfeld instead of a full adviser's fee.
← Steve Bannon person
founder confirmed
Co-founded boutique investment bank with Goldman Sachs colleagues in 1990
← Scot Vorse person
co-principal confirmed
Co-principal alongside Steve Bannon
Sources (17)
2003-04-15 ↗ SEC EDGAR: filing — Bannon & Co. (2003-04-15) sec_filing Processed 📜 Receipt
2020-03-30 ↗ SEC EDGAR: filing — Bannon & Co. (2020-03-30) sec_filing Processed 📜 Receipt
2026-05-10 UNVERIFIED SEARCH_ERROR: Bannon & Co. not found in opencorporates claim_flag Processed 📜 Receipt
2021-03-16 ↗ SEC EDGAR: filing — Bannon & Co. (2021-03-16) sec_filing Processed 📜 Receipt
2019-02-28 ↗ SEC EDGAR: filing — Bannon & Co. (2019-02-28) sec_filing Processed 📜 Receipt
2023-03-31 ↗ SEC EDGAR: filing — Bannon & Co. (2023-03-31) sec_filing Processed 📜 Receipt
2022-03-30 ↗ SEC EDGAR: filing — Bannon & Co. (2022-03-30) sec_filing Processed 📜 Receipt
2026 UNVERIFIED Research: Bannon & Co. — Parliamentary records (no results) parliamentary_record Processed 📜 Receipt
2026 UNVERIFIED Research: Bannon & Co. — Court records (no results) court_document Processed 📜 Receipt
2026 UNVERIFIED Research: Bannon & Co. — Lobbying disclosures (no results) government_disclosure Processed 📜 Receipt
2026 UNVERIFIED Research: Bannon & Co. — Corporate registrations (no results) government_disclosure Processed 📜 Receipt
2026 UNVERIFIED Research: Bannon & Co. — USASpending contracts (no results) contract Processed 📜 Receipt
2003-04-15 ↗ SEC EDGAR: filing — Bannon & Co. (2003-04-15) web_search Processed 📜 Receipt
— ↗ Wikipedia and CBS News web_search Processed 📜 Receipt
1990-01-01 ↗ Wikipedia and CBS News web_search Processed 📜 Receipt
1998-01-01 ↗ Wikipedia and Britannica sources document the sale to Société Générale web_search Processed 📜 Receipt
1990-01-01 ↗ Wikipedia and other biographical sources document the founding of Bannon & Co. a… discovery_scope_note Processed 📜 Receipt