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Calisen

ActiveOperating status — whether the company still runs independently. “Closed” usually means it was acquired, merged, or shut down.🔥 HighHeat score — how much recent activity & attention the company has (web traffic, news, hiring).📈 Low growthGrowth score — momentum trend across web traffic, headcount and other growth signals.
Manchester, United Kingdom Founded 2016 1001-5000 employees For Profit

Calisen is a owner and manager of essential energy infrastructure assets.

Total Funding
Available in Pro
Last Funding
Available in Pro
Acquisitions
1
Monthly Visits
Available in Pro
Contacts
67
Ticker
CLSN
LSE - London Stock Exchange
Patents
0
6 trademarks

Company Details

Funding & Financials

Pro
Total funding
Funding rounds
Last funding
Last funding type
Last funding date
Funding status
Total equity funding
Revenue range

IPO & Stock

IPO status
Public
Ticker
CLSN
Exchange
LSE - London Stock Exchange
IPO date
Feb 7, 2020
Raised at IPO
$436.84M
Valuation at IPO
$1.7B

Web Traffic

Pro
Monthly visits
Global traffic rank
6-mo avg visits
Visit duration (s)
Pages / visit
Bounce rate
Rank change (mo)

Technology & IP

Active technologies
2
Patents granted
0
Trademarks
6
IT spend
$6.28M

Company Info

Founded
2016
Employees
1001-5000
Operating status
Active
Company type
For Profit
Org types
company
News articles
30
HQ
Manchester, United Kingdom
Region
Europe, Middle East, and Africa (EMEA)
Exit date
Feb 7, 2020

Signals & Scores

Heat score
High
Growth score
Low
Trend (7d)
-0.3
Trend (30d)
1.7
Trend (90d)
3.1
Last leadership hire
May 26, 2026

Acquisitions by Calisen

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Key People at Calisen

Chief Executive
Managing Director
Chief Executive Officer
Chief Technology Officer
67
professional contacts at Calisen
Contact execs at Calisen

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Calisen - Company Profile, Full Acquisitions List, Funding and Investments