Skip to main content
Caplight Logo









BiSN

BiSN

Private
WarringtonEnergy & Sustainabilityhttps://bisn.com/

Last Round

Grant

Jan 8, 2018

Momentum

Top 5%

of companies Caplight tracks

Company Overview

BiSN is an oil and gas equipment company that provides downhole sealing solutions and services with its patented wel-lok™ sealing technology.

Sector

Energy & Sustainability

Verticals

Advanced Materials, Waste Management, Water Treatment

Business Model

B2B

Customer Profile

Services & Consulting

AI Layer

Non-AI

Keywords

plug and abandonmentP&Adownhole sealingbismuth alloywell integritywell abandonmentwell decommissioningmetal-to-metal sealwell interventionwell plugginggas-tight sealcementless pluggingrigless abandonmentoilfield serviceswater shut offadvanced materialssand control

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

BiSN Comparables

Compare BiSN with similar companies based on industry and business-model similarity.

BiSN comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Wellcem AS
84%
Tier 1 Energy Solutions Inc.
80%
Halliburton Company
75%

BiSN Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
GrantJan 8, 2018
VC RoundJul 24, 2017
VC RoundAug 1, 2014

Key People

Founding team and executive leadership

Paul Carragher

CEO

Executive Team

BiSN Investors

Notable investors and investment history

BiSN investors
InvestorRounds
Net Zero Technology CentreGrant
SLB VenturesVC Round
Energy Technology VenturesVC Round
BP VenturesVC Round
GE VenturesVC Round

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 1, 2026

    Open roles increased to 43, 36% of headcount.

  • Jul 20, 2026

    Open roles increased to 43, 6.5x the trailing average.

BiSN Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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

BiSN Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about BiSN's valuation, stock price, and market status.

Firmographic Details

HeadquartersWarrington
Employee Range121
Year Founded2010
Last FundingJan 8, 2018

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?