Skip to main content
Caplight Logo









Isembard

Isembard

Private
LondonFrontier & Industrial Techhttps://isembard.com

Last Round

Series A

Mar 9, 2026

Total Funding Raised

$59.2M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

Isembard operates in Frontier & Industrial Tech and is based in London. Its latest recorded funding round was a Series A round in March 2026.

Isembard is a software-first precision manufacturing company that provides a network of modular, highly automated manufacturing units powered by its proprietary MasonOS software for critical industries such as defense, aerospace, and energy.

Sector

Frontier & Industrial Tech

Verticals

Smart Manufacturing, Defense Tech, Supply Chain, Industrial Robotics

Business Model

B2B

Customer Profile

Services & Consulting, Marketplace Commission

AI Layer

Application

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Pricing history

Caplight clients see full MarketPrice™ history and secondary transactions.

Book a demo

For institutional investors. Book with your work email.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

Momentum history

Caplight clients track how buyer interest and sentiment change over time.

Book a demo

For institutional investors. Book with your work email.

Isembard Comparables

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

Isembard comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
MakerVerse
73%
Geomiq
71%
Zetwerk
67%
Book a demo to see all comparables

For institutional investors. Book with your work email.

Isembard Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AMar 9, 2026
SeedApr 24, 2025
Book a demo to see all funding rounds

For institutional investors. Book with your work email.

Key People

Founding team and executive leadership

Alex Fitzgerald

Founder and CEO

Founding Team

Alexander Fitzgerald

Founder and CEO

Founding Team

For institutional investors. Book with your work email.

Isembard Investors

Notable investors and investment history

Isembard investors
InvestorRounds
Forward FundSeed
Union Square VenturesSeries A
Never LiftSeed
Notion CapitalSeries A, Seed
IQ CapitalSeries A
Material VenturesSeed
Basis CapitalSeed
Book a demo to see all 12 investors

For institutional investors. Book with your work email.

Market signals

Structured signals derived from secondary market and firmographic data.

  • Sep 16, 2026

    Grew 82% QoQ, from 33 to 60 employees.

  • Aug 21, 2026

    Grew 74% QoQ, from 31 to 54 employees.

Book a demo to see all signals

For institutional investors. Book with your work email.

Isembard Filings

Explore SEC and related filing metadata, where available.

Isembard filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

Filing documents are not displayed on this public page. Request access to learn about available coverage.

Book a demo

For institutional investors. Book with your work email.

Frequently Asked Questions

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

Is Isembard a public or private company?

Isembard is a private company.

What is the current stock price of Isembard?

Isembard is a private company, so its shares have no public market price. Caplight tracks Isembard's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is Isembard worth (valuation)?

Valuation information for Isembard is not publicly available.

Can I buy Isembard stock?

Isembard shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was Isembard's last funding round?

Isembard's most recent funding round was Series A on March 9, 2026.

Who are the main investors in Isembard?

Key investors in Isembard include Union Square Ventures, Notion Capital, Notion Capital.

Will Isembard IPO soon?

No public IPO plans have been announced for Isembard.

How can I track Isembard secondary market activity?

Caplight tracks bids, offers, and trades in Isembard's shares on secondary markets.

Firmographic Details

HeadquartersLondon
Employee Range57
Year Founded2024
Last FundingMar 9, 2026

Institutional Data Access

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

Book a demo

For institutional investors. Book with your work email.

See something wrong or outdated?