When was CST Global founded?

CST Global was founded in 2016 and raised its 1st funding round within a year of its incorporation.

Where is CST Global located?

CST Global is headquartered in United Kingdom. It is registered at WRIGHT, JOHNSTON & MACKENZIE LLP,12/13 THE CAPITAL BUILDING,ST. ANDREW SQUARE,EDINBURGH,EH2 2AF.

Who is the current CEO of CST Global?

Neil Martin of CST Global. They have also founded 1 company.

How many employees does CST Global have?

As of May 31, 2026, the latest employee count at CST Global is 117.

Is CST Global a funded company?

CST Global is a funded company, having raised an undisclosed amount across 5 funding rounds to date. The company's 1st funding round was a $***** Grant (prize money) round, raised on Aug 01, 2014.

When was the latest funding round of CST Global?

CST Global's latest funding was a $***** Grant (prize money) round on Feb 19, 2018, with participation from 1 investor.

What is the annual revenue of CST Global?

Annual revenue of CST Global is less than £1M as on Dec 31, 2024

Where does CST Global rank among its competitors?

CST Global ranks 7th amongst 32 active competitors, of which 3 are funded. It stands 9th in terms of total funding among its competitors. The most recent competitor to raise funding was Enablence, which secured $17.9M in Sep, 2026.

Who are the top competitors of CST Global?

CST Global's top competitors include MACOM, Applied Optoelectronics and Enablence. Among them, Enablence secured the most recent funding round in September, 2026.

CST Global - 2026 Company Profile, Team, Funding, Competitors & Financials

CST Global is an acquired company based in United Kingdom, founded in 2016 by Neil Martin. It operates as a Provider of active and passive optical network components. CST Global has raised an undisclosed amount in funding. The company has 32 active competitors, including 3 funded and 12 that have exited. Its top competitors include companies like MACOM, Applied Optoelectronics and Enablence.

Company Details

Provider of active and passive optical network components. Its offerings include laser chips and DFB Lasers. Its devices are compatible with both, GPON and EPON systems, supporting performance up to a certain bit rate and the capability of operating in a range of temperatures. It also develops multiple products including DFB InP lasers, p-n junction diodes, LEDs, VCSELs, PIC lasers, GaN (Gallium Nitride) lasers, and LEDs. It also provides custom foundry services. It serves multiple industries, including telecommunication, healthcare, defence and industrial.

Website: cstglobal.uk
Social
Email ID: *****@cstglobal.uk
Phone Number: +44 **********
Registered Address: WRIGHT, JOHNSTON & MACKENZIE LLP,12/13 THE CAPITAL BUILDING,ST. ANDREW SQUARE,EDINBURGH,EH2 2AF

Key Metrics

Founded Year

2016

Location

United Kingdom

Stage

Acquired

Latest Funding Round

Grant (prize money), Feb 19, 2018, $*****

Investors

Gov & 1 more

Ranked

7^th among 32 active competitors

Annual Revenue

£0 - £1M as on Dec 31, 2024

Employee Count

117 as on May 31, 2026

Similar Companies

MACOM & 37 more

Exit Details

Acquired by Sivers IMA (Apr 12, 2017)

View CST Global's full profile

CST Global is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
SIVERS PHOTONICS LIMITED CIN: SC211759 , United Kingdom, Active	Oct 08, 2000	£0 - £1M (As on Dec 31, 2024)	76 (As on Jan 31, 2021)

CST Global got acquired by Sivers IMA on Apr 12, 2017.

Click here to take a look at CST Global's acquisition in detail

CST Global has raised funding over 5 rounds. Its first funding round was on Aug 01, 2014. Its latest funding round was a Grant (prize money) round on Feb 19, 2018 for $*****. 1 investor participated in its latest round. CST Global has 2 institutional investors.

Here is the list of recent funding rounds of CST Global:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Feb 19, 2018	6654886	Grant (prize money)	8926766	9154690	9371824	7542672
Jan 11, 2018	3988241	Grant (prize money)	4524277	8435793	3104986	Gov
Jan 01, 2016	4931966	Grant (prize money)	1747893	5048678	7454920	Europa

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View details of CST Global's funding rounds and investors

The founders of CST Global is Neil Martin.

Here are the details of CST Global's key team members:

Neil Martin: Former Founder & CEO of CST Global and founder of 1 other company.

View details of CST Global's Founder profiles and Board Members

CST Global's employee count trend

CST Global has 117 employees as of May 26. Here is CST Global's employee count trend over the years:

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Top competitors of CST Global include MACOM, Applied Optoelectronics and Enablence. Here is the list of Top 10 competitors of CST Global, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	MACOM 1950, Lowell (United States), Public	Manufacturer of RF, microwave, millimeter wave, and optical networking components	$183M	Summit Partners, Ventures West & 12 others	72/100
2nd	Applied Optoelectronics 1997, Sugar Land (United States), Public	Manufacturer of fiber-optic networking products	$90.5M	Techlink Ventures, Giza Venture Capital & 5 others	71/100
3rd	Enablence 2003, Toronto (Canada), Public	Photonic integrated circuits for telecommunication and related Industry	-	Raymond James, Export Development Canada & 3 others	55/100
4th	Go!Foton 2009, Somerset (United States), Early Stage	Optical components for communications, imaging and scanning	$2.6M	-	48/100
5th	Wuxi Dekeli Optoelectronic Technology 2000, Wuxi (China), Public	Provider of optoelectronic components	-	-	46/100
6th	ADVA Optical Networking 1994, Planegg (Germany), Public	Network equipment for data, storage, voice and video services	-	Herald Investment Management, Oak Investment Partners ... & 1 others	43/100
7th	CST Global 2016, United Kingdom, Acquired	Provider of active and passive optical network components	-	Gov, Europa	38/100
8th	WaveSplitter Technologies 1996, Fremont (United States), Series C	Optical networking equipment provider	$113M	NIF Ventures, Mayfield & 2 others	40/100
9th	Oclaro 1988, San Jose (United States), Acquired	Optical components for the core optical, enterprise and data center markets	-	Clarity Partners	39/100
10th	Crowntech Photonics 2008, Shanghai (China), Series C	Designer and manufacturer of ﬁber-optics components serving the telecom & datacom industries	$15.4M	Rieter Capital, Weiss Capital & 2 others	38/100