COMPANY PROFILE

Dialight

Explore full profile

British-based electronics business specializing in light-emitting diode lighting for hazardous locations

London, United KingdomFounded 1938Semiconductors

Valuation $294M Market cap · 2026

Revenue $168M Latest reported FY

EBITDA $12M Latest reported FY

About Dialight

Dialight is a global leader in industrial LED lighting technology, specializing in solutions for harsh and hazardous environments. The company serves a wide range of industries, including oil and gas, mining, manufacturing, and utilities, providing durable and energy-efficient lighting fixtures designed to withstand extreme conditions. Dialight operates in the industrial lighting market, focusing on reducing carbon emissions and enhancing safety through innovative LED technology. The business model revolves around the design, manufacturing, and sale of high-performance LED lighting products. Revenue is generated through direct sales to industrial clients and partnerships with distributors. Dialight's commitment to sustainability and performance has positioned it as a trusted provider in the industrial sector.

MoreLess Source: Dealroom company data

At a glance

Status: Listed
Founded: 1938
Headquarters: London, United Kingdom
Listing: IPO 2003
Employees: 731
Open positions: 4
Dealroom signal: 38.2/100
Industry: Semiconductors, Engineering and Manufacturing Equipment
Sector: Semiconductors
Business model: Manufacturing
Client focus: b2b, b2c
Investment activity: 2 companies, latest Jun 2012
Capital deployed: —
Preferred round: ACQUISITION
Links: Website LinkedIn X

Knowledge graph

Founder mafia, market maps, research and news connected to this company by Dealroom

Funding history

4 recorded events

Company financing events and reported valuations.

Deal type	Date	Amount	Valuation	Investors	Source
POST IPO EQUITYOther financing	Sep 2023	$15M	—	Undisclosed	↗
EARLY VCEquity / VC	Sep 2017	$22M	$86M	Undisclosed	—

Showing the latest 2 of 4 recorded eventsBook a demo for the full funding history →

Financials

Revenue, earnings and profit over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

Year	Revenue	Growth	EBITDA	Margin	Profit	Margin
2026	$168M	-9%	$12M	7.2%	$402K	0.2%
2025	$184M	-18.1%	−$6.7M	-3.7%	−$14M	-7.5%
2024	$225M	0%	$15M	6.7%	$530K	0.2%
2023	$225M	0%	$15M	6.7%
2022	$225M	+29%	$15M	6.7%
2021	$174M	+10.6%	$14M	8.3%
2020	$158M	—	−$928K	-0.6%

Company filings, research estimates and Dealroom dataBook a demo for the full financial model →

Growth signals

Dialight website traffic

Latest recorded traffic for Dialight is 17K monthly website visits, up 30.8% over the last three months. Dialight's team grew 11.6% over the past year.

Latest monthly visits17K 3-month web change+30.8% 1-year team growth+11.6%

Monthly website visitsDec 2018–Mar 2021

Explore monthly traffic historyTrack growth over time and compare with peersBook a demo

Summary metrics are public; monthly history is available with a demoCompare with peers →

Open positions

Openings linked to this company in Dealroom

Customer Service Representative - BilingualFarmingdale, New York, United States, Northern America, Americas · CSM & Support · Sep 4, 2026 Human Resources Business PartnerFarmingdale, New York, United States, Northern America, Americas · Human Resources · Aug 21, 2026 Senior Commodity ManagerFarmingdale, NJ · Logistics · Jul 25, 2026 Regional Sales Manager11735 Oyster Bay, United States · Sales · Jul 6, 2026 Lighting DesignerFarmingdale, NJ · Design · Jun 12, 2026 Director of Product StrategyFarmingdale, New York, United States, Northern America, Americas · Business Development · Jun 10, 2026

6 distinct openings shownExplore hiring signals →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

Company	Headquarters	Status	Employees	Total funding	Valuation
PYPyroistechWe are Pyroistech, experts in fiber coupled light sources. We have an ample catalogue with LED, SLD, Halogen and MultiLED light sources	Zizur Mayor/Zizur Nagusia, Spain	Closed	2	$55K	$220K
LTLeapWave TechnologiesUltra BroadBand Interconnects	Leganés, Spain	Operational
GQGlasgow QuantumQuantum technology tools, consultancy, and field testing.	Glasgow, United Kingdom	Operational
ADAston Laser DiodesCustom semiconductor lasers for quantum technologies.	Birmingham, United Kingdom	Operational
LPLightSpring Photonics3D-printed optical interconnects for integrated photonics packaging, enabling low-loss chip, fiber and laser coupling	Besançon, France	Operational
PIPicowattPrecision instruments for ultralow temperature thermometry	Vantaa, Finland	Operational
BOButton OpticsCommercializes structured light and beam-shaping technologies for optical metrology, laser systems, and quantum imaging applications	Johannesburg, South Africa	Operational
OPOpticsFoundryRobotically manufactured, glued optical circuit boards and a one-stop-shop service for optical circuit production	Amsterdam, Netherlands	Operational