# 29 leading critical infrastructure operators in Manchester
Tamtam tracks 29 critical infrastructure operators headquartered in Manchester. This list ranks all of them by number of employees on LinkedIn, led by Manchester University NHS Foundation Trust, MAG (Airports Group) and The Co-operative Bank plc. Their median headcount is 597. Half of them were founded in 2004 or later.
The critical infrastructure operators in Manchester are mostly large public sector organizations in healthcare, such as Manchester University NHS Foundation Trust, a large UK acute Trust with nine hospitals, and The Christie NHS Foundation Trust, a leading cancer center. Other major operators include MAG (Airports Group), which owns and operates three major UK airports, and The Co-operative Bank plc, a customer-led bank with ethical policies.
The data shows a strong concentration of public services, with a significant number of NHS trusts providing various healthcare services. Alongside these, there are essential transport and utility providers, reflecting a diverse yet interconnected critical infrastructure network centered in Manchester.
๐ฌ๐ง Manchester ยท 29 companies ยท Updated Nov 11, 2026
| # | Company | Industry | Headquarters | Employees | Founded |
|---|---|---|---|---|---|
| 1 | [Manchester University NHS Foundation Trust](https://www.tamtam.ai/c/manchester-university-nhs-foundation-trust) (mft.nhs.uk)
A large UK acute Trust with nine hospitals providing comprehensive general to highly specialized services to 750,000 people in Manchester and Trafford | Hospitals and Health Care | ๐ฌ๐ง Manchester | 7,150 | |
| 2 | [MAG (Airports Group)](https://www.tamtam.ai/c/mag-airports-group) (magairports.com)
Ownership and operation of three major UK airports, digital travel services, extensive route network, economic contribution, and sustainability focus. | Airlines and Aviation | ๐ฌ๐ง Manchester | 4,902 | 2001 |
| 3 | [The Co-operative Bank plc](https://www.tamtam.ai/c/the-co-operative-bank-plc) (co-operativebank.co.uk)
A customer-led bank with ethical policies, championing important causes, avoiding fossil fuels, and promoting human rights in finance | Financial Services | ๐ฌ๐ง Manchester | 4,347 | 1872 |
| 4 | [The Christie NHS Foundation Trust](https://www.tamtam.ai/c/the-christie-nhs-foundation-trust) (christie.nhs.uk)
The company is a leading cancer center in Europe, offering a range of treatments, research, and diagnostic services to patients nationwide | Hospitals and Health Care | ๐ฌ๐ง Manchester | 2,078 | |
| 5 | [Greater Manchester Mental Health NHS Foundation Trust](https://www.tamtam.ai/c/greater-manchester-mental-health-nhs-foundation-trust) (gmmh.nhs.uk)
Provision of inpatient and community mental health care, specialist services, and substance misuse support across Greater Manchester and northwest England. | Hospitals and Health Care | ๐ฌ๐ง Manchester | 1,931 | 2017 |
| 6 | [Pennine Care NHS Foundation Trust](https://www.tamtam.ai/c/pennine-care-nhs-foundation-trust) (penninecare.nhs.uk)
Provider of mental health, learning disability, and autism services in Greater Manchester and beyond, including Bury, Oldham, Rochdale, Stockport, Tameside, and Glossop | Hospitals and Health Care | ๐ฌ๐ง Manchester | 1,849 | 2002 |
| 7 | [Manchester Airport](https://www.tamtam.ai/c/manchester-airport) (manchesterairport.co.uk)
Major UK airport serving 25 million passengers, operating two runways, connecting 196 destinations across four continents, undergoing ยฃ1.3bn upgrade. | Airlines and Aviation | ๐ฌ๐ง Manchester | 1,398 | 1938 |
| 8 | [The Pennine Acute Hospitals NHS Trust](https://www.tamtam.ai/c/the-pennine-acute-hospitals-nhs-trust) (northerncarealliance.nhs.uk)
This company provides healthcare services to the communities of Bury, Rochdale, and Oldham, and surrounding areas | Hospitals and Health Care | ๐ฌ๐ง Manchester | 1,012 | |
| 9 | [Transport for Greater Manchester](https://www.tamtam.ai/c/transport-for-greater-manchester) (tfgm.com)
This company oversees transport and travel in Greater Manchester with a mission to make travel easier across the city-region | Truck Transportation | ๐ฌ๐ง Manchester | 1,006 | 2011 |
| 10 | [TransPennine Express](https://www.tamtam.ai/c/transpennine-express) (tpexpress.co.uk)
Intercity rail provider investing ยฃ500m to enhance travel experience and increase capacity in the North and Scotland with new routes and state-of-the-art carriages | Truck Transportation | ๐ฌ๐ง Manchester | 929 | |
| 11 | [Calisen](https://www.tamtam.ai/c/calisen) (calisen.com)
Own, install, and manage essential energy infrastructure assets including smart metering, data services, solar & battery, EV charging, and heat electrification. | Utilities | ๐ฌ๐ง Manchester | 888 | |
| 12 | [Greater Manchester Fire & Rescue Service](https://www.tamtam.ai/c/greater-manchester-fire-and-rescue-service) (manchesterfire.gov.uk)
Fire and Rescue Service covering Greater Manchester, serving diverse communities across 44 sites with focus on safety and community engagement. | Public Safety | ๐ฌ๐ง Manchester | 765 | |
| 13 | [Greater Manchester Combined Authority](https://www.tamtam.ai/c/greater-manchester-combined-authority) (greatermanchester-ca.gov.uk)
Coordination of ten councils and Mayor with local services, businesses, and communities to improve Greater Manchester city-region. | Government Administration | ๐ฌ๐ง Manchester | 723 | 2011 |
| 14 | [PXC](https://www.tamtam.ai/c/pxc) (pxc.co.uk)
Leading UK wholesale provider of connectivity, voice, cloud, and security solutions with a robust network, offering tailored support for business growth and success | Telecommunications | ๐ฌ๐ง Manchester | 604 | |
| 15 | [NHS Greater Manchester](https://www.tamtam.ai/c/nhs-greater-manchester) (gmintegratedcare.org.uk)
Integrated Care Board managing health services and providing health information and advice across Greater Manchester's ten boroughs and cities. | Hospitals and Health Care | ๐ฌ๐ง Manchester | 597 | |
| 16 | [Central Manchester & Manchester Children's Foundation Trust](https://www.tamtam.ai/c/central-manchester-and-manchester-children-s-foundation-trust) (cmft.nhs.uk)
A leading NHS Trust in Manchester, featuring the largest Children's Hospital in the UK, providing high-quality healthcare services to the community | Hospitals and Health Care | ๐ฌ๐ง Manchester | 580 | |
| 17 | [Central Manchester University Hospitals NHS Foundation Trust](https://www.tamtam.ai/c/central-manchester-university-hospitals-nhs-foundation-trust) (cmft.nhs.uk)
Operating several hospitals and community services in the Manchester area, the organization provides a wide range of medical and dental care services | Hospitals and Health Care | ๐ฌ๐ง Manchester | 554 | |
| 18 | [TalkTalk Business](https://www.tamtam.ai/c/talktalk-business) (business.talktalk.co.uk)
Providing UK businesses with internet, data, voice, and network infrastructure solutions alongside managed services and dedicated support. | Telecommunications | ๐ฌ๐ง Manchester | 538 | 1995 |
| 19 | [Elevate](https://www.tamtam.ai/c/elevate-manchester) (elevate.uk)
Providing affordable, hyperfast internet access to empower individuals, drive economic growth, and foster technological innovation worldwide. | Technology, Information and Internet | ๐ฌ๐ง Manchester | 402 | 2014 |
| 20 | [SEFE Energy UK](https://www.tamtam.ai/c/sefe-energy-uk) (sefe-energy.co.uk)
Supply gas, electricity, and green energy products to organizations across Great Britain, supporting energy needs and promoting decarbonisation efforts. | Utilities | ๐ฌ๐ง Manchester | 320 | 2006 |
| 21 | [KeolisAmey Metrolink](https://www.tamtam.ai/c/keolisamey-metrolink) (metrolinkjobs.co.uk)
Operates the Greater Manchester Metrolink tram network on behalf of TfGM, transporting millions of passengers annually with a global expertise in mobility | Truck Transportation | ๐ฌ๐ง Manchester | 317 | 2017 |
| 22 | [Munich Re Specialty - Global Markets, UK](https://www.tamtam.ai/c/munich-re-specialty-global-markets-uk) (munichre.com)
Specialty insurance provider with innovative solutions, competitive offerings, and unrivaled service for brokers in the UK across various product lines | Insurance | ๐ฌ๐ง Manchester | 296 | 1982 |
| 23 | [DF Capital](https://www.tamtam.ai/c/df-capital) (dfcapital.bank)
Specialist UK bank offering savings and business finance solutions with a focus on providing top-tier customer service and support | Financial Services | ๐ฌ๐ง Manchester | 253 | 2016 |
| 24 | [Diagnostic Healthcare Ltd](https://www.tamtam.ai/c/diagnostic-healthcare-ltd) (diagnostichealthcareltd.com)
A leading UK provider of imaging services to NHS and private patients, focused on delivering outstanding healthcare with innovative service models | Hospitals and Health Care | ๐ฌ๐ง Manchester | 213 | 2004 |
| 25 | [Go North West](https://www.tamtam.ai/c/go-north-west) (gonorthwest.co.uk)
Public transportation company operating buses throughout Greater Manchester and Salford as part of The Go-Ahead Group Serving the community with reliable service ๐๐ | Urban Transit Services | ๐ฌ๐ง Manchester | 206 | 2019 |
| 26 | [thinkmoney](https://www.tamtam.ai/c/thinkmoney) (thinkmoney.co.uk)
A financial institution focused on making banking easier through innovative technology, data-driven decisions, and supporting customers' financial wellbeing and career development | Financial Services | ๐ฌ๐ง Manchester | 128 | 2001 |
| 27 | [M247UK](https://www.tamtam.ai/c/m247uk) (m247.com)
Global technology partner offering innovative solutions, networks, and support services to help businesses connect, grow, and thrive with a focus on transformation and innovation | IT Services and IT Consulting | ๐ฌ๐ง Manchester | 90 | 2000 |
| 28 | [Irwell Insurance](https://www.tamtam.ai/c/irwell-insurance) (irwell.co.uk)
Provider of legal expenses and commercial liability protection for UK SMEs through MGA partners Specializing in legal disputes, health and safety matters, and tax investigations | Insurance | ๐ฌ๐ง Manchester | 42 | 1994 |
| 29 | [ESB Energy](https://www.tamtam.ai/c/esb-energy) (esbenergy.co.uk)
A British energy provider offering green gas, electricity, EV charging, and decarbonisation solutions to homes and large businesses since 1993 | Utilities | ๐ฌ๐ง Manchester | 16 | 2017 |
## How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.
## More company lists in Manchester
- [The largest companies in Manchester](https://www.tamtam.ai/l/largest-companies-manchester) (893)
- [Multinational companies in Manchester](https://www.tamtam.ai/l/multinational-companies-manchester) (163)
- [Professional services firms in Manchester](https://www.tamtam.ai/l/professional-services-firms-manchester) (86)
- [Financial Services companies in Manchester](https://www.tamtam.ai/l/financial-services-companies-manchester) (84)
- [SaaS companies in Manchester](https://www.tamtam.ai/l/saas-companies-manchester) (80)
- [Retail Apparel and Fashion companies in Manchester](https://www.tamtam.ai/l/retail-apparel-and-fashion-companies-manchester) (70)
- [Retail chains in Manchester](https://www.tamtam.ai/l/retail-chains-manchester) (68)
- [Software Development companies in Manchester](https://www.tamtam.ai/l/software-development-companies-manchester) (68)
- [Financial services firms in Manchester](https://www.tamtam.ai/l/financial-services-firms-manchester) (64)
- [Retail companies in Manchester](https://www.tamtam.ai/l/retail-companies-manchester) (62)
- [E-commerce companies in Manchester](https://www.tamtam.ai/l/ecommerce-companies-manchester) (50)
- [Companies with a mobile app in Manchester](https://www.tamtam.ai/l/companies-with-mobile-app-manchester) (50)
- [Online-only businesses in Manchester](https://www.tamtam.ai/l/online-only-businesses-manchester) (45)
- [IT Services and IT Consulting companies in Manchester](https://www.tamtam.ai/l/it-services-and-it-consulting-companies-manchester) (43)
- [Marketing and communications agencies in Manchester](https://www.tamtam.ai/l/marketing-agencies-manchester) (39)
- [Consulting firms in Manchester](https://www.tamtam.ai/l/consulting-firms-manchester) (39)
- [IT services companies in Manchester](https://www.tamtam.ai/l/it-services-companies-manchester) (38)
- [Hotel and hospitality groups in Manchester](https://www.tamtam.ai/l/hospitality-groups-manchester) (35)
- [Advertising Services companies in Manchester](https://www.tamtam.ai/l/advertising-services-companies-manchester) (35)
- [Manufacturers in Manchester](https://www.tamtam.ai/l/manufacturers-manchester) (35)
- [Subscription businesses in Manchester](https://www.tamtam.ai/l/subscription-businesses-manchester) (35)
- [Companies with in-house R&D in Manchester](https://www.tamtam.ai/l/r-and-d-companies-manchester) (34)
- [DTC brands in Manchester](https://www.tamtam.ai/l/dtc-brands-manchester) (30)
- [Wellness and Fitness Services companies in Manchester](https://www.tamtam.ai/l/wellness-and-fitness-services-companies-manchester) (30)
## The same list elsewhere in United Kingdom
- [Critical infrastructure operators in the United Kingdom](https://www.tamtam.ai/l/critical-infrastructure-operators-united-kingdom) (1,195)
- [Critical infrastructure operators in England](https://www.tamtam.ai/l/critical-infrastructure-operators-england) (1,029)
- [Critical infrastructure operators in Scotland](https://www.tamtam.ai/l/critical-infrastructure-operators-scotland) (70)
- [Critical infrastructure operators in London](https://www.tamtam.ai/l/critical-infrastructure-operators-london) (359)
- [Critical infrastructure operators in Birmingham](https://www.tamtam.ai/l/critical-infrastructure-operators-birmingham) (27)
---
Source: https://www.tamtam.ai/l/critical-infrastructure-operators-manchester