LumenStream
Hardware · LED Lighting & Luminaires
Venture roundlatest round · Sep 2025 · 13 mo ago
1backers · Clarendon Fund Managers
1-10team · employees, estimated range
2017founded
Overview
Transform your facility with energy-efficient LED lighting. Pay from savings, not capital. Trusted by commercial & industrial giants across UK & EU.
Key facts
These are the key facts about LumenStream on Alion as of Nov 13, 2026. LumenStream is headquartered in Belfast, United Kingdom. It was founded in 2017.
- Headquarters
- Belfast, United KingdomAlion company profile, updated Oct 11, 2026
- Founded
- 2017Alion company profile, updated Oct 11, 2026
- Employees
- 1-10Alion company profile, an estimated range
Official records
Funding and backers
Latest round
Venture round
Sep 2025 · 13 mo ago
Team
1-10
employees, estimated range
Backers
1
Clarendon Fund Managers
The money's age
Due for its next round
13 months since the last round · not hiring
Momentum
0/100
no fresh signals
Last sign of life
1 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Sep 18, 2025
Raised a round Venture round
Apr 29, 2025
Raised a round Venture round
Oct 12, 2022
Raised a round Venture round
Aug 1, 2017
Founded per the company register
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Venture round | Sep 2025 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Apr 2025 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Oct 2022 | — | — | find-and-update.company-information.service.gov.uk |
Registers and programsofficial lists and records that name the company
| Legal entity | LUMENSTREAM LTD | Companies House |
| Registered | 1 Aug 2017 |
Backed byfrom the funds' portfolios and accelerator catalogs
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Connections
List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors
Clarendon Fund ManagersVia a fund
Click a company to open it. Dashed lines are likely connections. The second step of the network is part of the Pro plan.
Owner
Same company
Same group
Likely
Shared investors
News
LumenStream bags £1.2M funding from local angel investor syndicate
Its technology allows high energy users to install more efficient lighting with no upfront cost
Read more
Report
Belfast LED innovator LumenStream secures £1.2m from local angel investor syndicate
Firm has developed an innovative 'lighting as a service' model
Read more
Report
Offices
Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
Belfast
United Kingdom
HQ
LumenStream HQ, 285a Ormeau Road, Belfast, BT7 3GG
1-10 est. staff
LumenStream HQ, 285a Ormeau Road, Belfast, BT7 3GG
How to cite this page
Alion, "LumenStream: key facts", as of Nov 13, 2026. https://alion.io/company/lumenstream
These figures are published under a free licence. You may reuse them, including commercially, as long as you credit Alion and link back to this page. CC BY-SA 4.0