Porterbrook
PrivateLast Round
Private Placement
12/9/2025
Total Funding Raised
$734M
Company Overview
Porterbrook is a rail leasing and asset management company that provides rolling stock solutions for passenger and freight rail networks in the United Kingdom.
Sector
Mobility, Transportation & Logistics
Verticals
Public Transit, Freight & Transportation, Fleet Management, Clean Transportation
Business Model
B2B
Customer Profile
Hardware + Subscription, Government Contracts, Services & Consulting, Hardware Sales
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Porterbrook Comps
Public and private peers based on sector, stage, and business model.
Porterbrook Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Private Placement | 12/9/2025 | ||||
| Private Placement | 11/13/2024 | ||||
| Grant | 11/16/2022 | ||||
| Debt | 11/1/2019 | ||||
| Private Placement | 11/7/2018 | ||||
Debt | 5/31/2011 |
Key People
Founding team and executive leadership
Porterbrook Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Innovate UK | Grant |
| Department for Transport | Grant |
| MUFG Bank | Debt |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 21, 2026
Testing the UK's first hydrogen-powered passenger train at Long Marston facility.
- Apr 21, 2026
Hosting the UK's largest outdoor rail exhibition at Long Marston facility.
Porterbrook Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Frequently Asked Questions
Common questions about Porterbrook's valuation, stock price, and market status.
