StirLight

Private

ChesterfieldFrontier & Industrial Techhttps://www.stirlight.com/

Last Round

Grant

Apr 14, 2026

Total Funding Raised

$680,000

Momentum

Top 50%

of companies Caplight tracks

Company Overview

StirLight is an advanced manufacturing company that develops a proprietary real-time process-monitoring and quality-assurance platform for friction stir welding.

Sector

Frontier & Industrial Tech

Verticals

Aviation & Drones, Electric Vehicles, Smart Manufacturing, Defense Tech, Clean Manufacturing

Business Model

B2B

Customer Profile

Services & Consulting, Government Contracts, Hardware + Subscription

AI Layer

Application

Keywords

friction stir weldingFSWreal-time process monitoringwelding quality assurancesolid-state joiningcontract manufacturingsmart manufacturingadvanced manufacturingprocess developmentprototyping servicesdigital twinanomaly detectionIndustry 4.0metal joining

Historical Pricing

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Caplight Momentum Score

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StirLight Comps

Public and private peers based on sector, stage, and business model.

StirLight comps — public and private peers by sector, stage, and business model
Company	Status	Est. Valuation	Rev Multiple
OpenAI	Private	$86.0B	~40x
Cohere	Private	$5.0B	--
Competitor 1	Public	$XX.XB	XXx
Competitor 2	Public	$XX.XB	XXx

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StirLight Funding Rounds

Historical fundraising activity

Data table
Round	Date	Amount Raised	Valuation	Investors	Sources
Grant	Apr 14, 2026

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StirLight Investors

Notable investors and investment history

StirLight investors
Investor	Rounds
British Business Bank	Grant
D2N2 Local Enterprise Partnership	Grant
Aerospace Technology Institute	Grant
Haatch	Grant
Innovate UK	Grant

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Market signals

Structured signals derived from secondary market and firmographic data.

Apr 14, 2026
$1.7M raised in Pre Seed round

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StirLight Filings

SEC and related filings with document metadata.

Data table
Typed	Date	Amount Offered	Amount Sold	Filling	Pages	Download
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StirLight Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersChesterfield

Year Founded2021

Last FundingApr 14, 2026

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