Calisen Company Overview, Contact Details & Competitors

Q: What is Calisen's official website and social media links?

Calisen's official website is calisen.com. Calisen has social profiles on LinkedIn.

Q: How many employees does Calisen have currently?

Calisen has approximately 853 employees.

Q: What technology does Calisen use?

Calisen's tech stack includes Selenium, Vercel, Office 365, PHP, Google Fonts API.

Insights

Gathering insights about Calisen…

Similar companies to Calisen

Calisen Tech Stack

Calisen uses 8 technology products and services including WordPress, Microsoft 365, Microsoft Intune, and more. Explore Calisen's tech stack below.

WordPress
Content Management System
Microsoft 365
Email
Microsoft Intune
Enterprise Mobility Management
jQuery
Javascript Libraries
PHP
Programming Languages
TypeScript
Programming Languages
Python
Programming Languages
RankMath SEO
Web Platform Extensions

Media & News

Calisen Ltd. launches targeted apprenticeship programme for female dual-fuel smart meter engineers.
Calisen Group, an energy technology company, has launched a targeted apprenticeship programme for female dual-fuel smart meter engineers.
Feb 12, 2026 | www.lancashiretelegraph.co.uk
Calisen Ltd. hires Claus Fest as Managing Director Germany.
Calisen has appointed Claus Fest as the first Managing Director Germany for the German market entry.
Nov 12, 2025 | www.startbase.com
Calisen Ltd. invests into assets: smart metering assets in the amount of $116M.
Under the new and pioneering Meter Services Agreement (MSA) with Energy Metering, Calisen is positioned to deploy up to €100 million in smart metering assets nationwide.
Nov 11, 2025 | www.prnewswire.com
Calisen Ltd. hires Catherine O'Kelly as group chief executive.
Calisen Group has appointed Catherine O'Kelly, formerly a managing director under Centrica, as its new group chief executive.
Jul 02, 2025 | www.smart-energy.com
Calisen Ltd. partnered with Octopus Renewables on Jan 1st '25.
Calisen has also recently developed a comprehensive water metering offering to complement its deep capabilities in energy metering and entered the German smart meter market this year with its pilot with Octopus Energy.
Jul 02, 2025 | www.smart-energy.com
GIC acquired Calisen Ltd. on Jan 1st '24.
EQT and GIC are set to acquire a majority stake in UK-based Calisen Group in the latest outsize smart metering private equity deal this year.
Dec 02, 2024 | pitchbook.com
Calisen Ltd. acquires.
Calisen has completed the acquisition of MapleCo after receiving relevant regulatory clearances
Jul 12, 2023 | www.calisen.com

Calisen's Email Address Formats

Calisen uses at least 1 format(s):

Calisen Email Formats	Example	Percentage
First.Last@calisen.com	John.Doe@calisen.com	50%
First.Last@calisen.com	John.Doe@calisen.com	50%

Frequently Asked Questions

Where is Calisen's headquarters located?

Calisen's main headquarters is located at Manchester, England m2 1hw United Kingdom. The company has employees across 3 continents, including EuropeOceaniaAsia.

What is Calisen's official website and social media links?

Calisen's official website is calisen.com and has social profiles on LinkedIn Crunchbase.

What is Calisen's NAICS code?

Calisen's NAICS code is 22 - Utilities.

How many employees does Calisen have currently?

As of March 2026, Calisen has approximately 853 employees across 3 continents, including EuropeOceaniaAsia. Key team members include Chief Executive Officer: C. O.Chief Financial Officer: B. R.Chief Operating Officer: M. B.. Explore Calisen's employee directory with LeadIQ.

What industry does Calisen belong to?

Calisen operates in the Utilities industry.

What technology does Calisen use?

Calisen's tech stack includes WordPressMicrosoft 365Microsoft IntunejQueryPHPTypeScriptPythonRankMath SEO.

What is Calisen's email format?

Calisen's email format typically follows the pattern of First.Last@calisen.com. Find more Calisen email formats with LeadIQ.

Insights

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British Gas

Calisen Tech Stack

Media & News

Calisen Ltd. launches targeted apprenticeship programme for female dual-fuel smart meter engineers.

Calisen Ltd. hires Claus Fest as Managing Director Germany.

Calisen Ltd. invests into assets: smart metering assets in the amount of $116M.

Calisen Ltd. hires Catherine O'Kelly as group chief executive.

Calisen Ltd. partnered with Octopus Renewables on Jan 1st '25.

GIC acquired Calisen Ltd. on Jan 1st '24.

Calisen Ltd. acquires.

Calisen's Email Address Formats

Frequently Asked Questions

Where is Calisen's headquarters located?

What is Calisen's official website and social media links?

What is Calisen's NAICS code?

How many employees does Calisen have currently?

What industry does Calisen belong to?

What technology does Calisen use?

What is Calisen's email format?

Calisen

Company Overview

Media & News

Calisen Ltd. launches targeted apprenticeship programme for female dual-fuel smart meter engineers.

Calisen Ltd. hires Claus Fest as Managing Director Germany.

Calisen Ltd. invests into assets: smart metering assets in the amount of $116M.

Funding & Financials

Funding & Financials

Company Leadership

Employee Directory

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