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The 100 largest Non-profit Organizations companies in England

Tamtam tracks 437 Non-profit Organizations companies headquartered in England. This list ranks the 100 largest by number of employees on LinkedIn, led by British Council, World Vision and Transport for London. Their median headcount is 1,474. Half of them were founded in 1953 or later. The most common headquarters are London (60), Birmingham (3) and Manchester (3).

馃嚞馃嚙 England100 companiesUpdated Oct 24, 2026
#CompanyIndustryHeadquarters EmployeesFounded
1
British Councilbritishcouncil.org

Building global connections through arts, education, English language learning, and qualifications to empower individuals and foster international understanding.

Non-profit Organizations 馃嚞馃嚙 London 24,510 1934
2
World Visionwvi.org

A global humanitarian organization dedicated to improving the lives of children and families by addressing root causes of poverty worldwide

Non-profit Organizations 馃嚞馃嚙 London 19,419 1950
3
Transport for Londontfl.gov.uk

London-based transportation company leading in providing diverse travel options, focusing on customer feedback, technology innovation, and large-scale investments for city-wide mobility improvements

Non-profit Organizations 馃嚞馃嚙 London 18,658 2000
4
Save the Children Internationalsavethechildren.net

Support children's survival, protection, development, and participation worldwide through programs, campaigns, and partnerships in 120 countries.

Non-profit Organizations 馃嚞馃嚙 London 17,356 1919
5
Plan Internationalplan-international.org

Advancing children's rights and equality for girls by addressing poverty, violence, exclusion, and discrimination in over 80 countries.

Non-profit Organizations 馃嚞馃嚙 Woking 9,932 1937
6
Oxfamoxfam.org.uk

A global movement fighting poverty through campaigning for change, development work, and emergency response, with a network of shops and online shop

Non-profit Organizations 馃嚞馃嚙 Oxford 9,372 1942
7
British Heart Foundationbhf.org.uk

Funding and supporting cardiovascular research to develop treatments, improve healthcare, and prevent heart disease for longer, healthier lives.

Non-profit Organizations 馃嚞馃嚙 London 7,494 1961
8
National Trustnationaltrustjobs.org.uk

Conservation organization protecting coastline, land, nature reserves, heritage sites, historic houses, gardens, and significant art collections for public enjoyment.

Non-profit Organizations 馃嚞馃嚙 Kemble Drive 7,017 n/a
9
Barnardo'sbarnardos.org.uk

Support children, young people, and families to feel safer, happier, healthier, and more hopeful, improving lives through positive change.

Non-profit Organizations 馃嚞馃嚙 Barkingside 5,944 1866
10
Citizens Advicecitizensadvice.org.uk

Charity providing advice and support to individuals from all backgrounds, addressing a wide range of personal and social problems.

Non-profit Organizations 馃嚞馃嚙 London 5,832 1939
11
Cancer Research UK (CRUK)cancerresearchuk.org

Dedicated to cancer research, prevention, diagnosis, and treatment, funded by public donations to improve survival and quality of life.

Non-profit Organizations 馃嚞馃嚙 London 5,433 n/a
12
Save the Children UKjobs.savethechildren.org.uk

Global organization dedicated to helping children worldwide reach their full potential by providing safety, health, education, and advocacy for their rights

Non-profit Organizations 馃嚞馃嚙 London 4,602 1919
13
Age UKageuk.org.uk

Provide companionship, advice, and support to millions of older adults, advocating for their interests and enhancing later life quality.

Non-profit Organizations 馃嚞馃嚙 London 3,863 2009
14
Amnesty Internationalamnesty.org

Global movement exposing abuses, lobbying governments and companies, mobilizing supporters, defending activists, and providing education to claim human rights.

Non-profit Organizations 馃嚞馃嚙 London 3,845 n/a
15
The Salvation Army UK and Ireland Territorysalvationarmy.org.uk

An organization dedicated to saving souls, growing saints, and serving suffering humanity in the United Kingdom and Republic of Ireland

Non-profit Organizations 馃嚞馃嚙 London 3,670 1865
16
RNLIrnli.org

A charity organization that provides 24-hour search and rescue services, operates lifeguard services on beaches, and offers flood rescue teams

Non-profit Organizations 馃嚞馃嚙 Poole 3,393 1824
17
Mencapmencap.org.uk

A UK charity working to improve the quality of life for individuals with learning disabilities, advocating for their rights and well-being

Non-profit Organizations 馃嚞馃嚙 Peterborough 3,274 n/a
18
SEO Londonseo-london.org

The charity provides educational, training, and mentoring support to young people from underrepresented backgrounds, focusing on pre-professional development, career access, and long-term success

Non-profit Organizations 馃嚞馃嚙 London 2,947 2000
19
Riversideriverside.org.uk

A leading provider of social housing in the UK, offering support and affordable homes to people of all ages and circumstances

Non-profit Organizations 馃嚞馃嚙 Liverpool 2,920 1928
20
Turning Pointturning-point.co.uk

A social enterprise that provides health and social care services to empower individuals in making positive life choices and improving their wellbeing

Non-profit Organizations 馃嚞馃嚙 London 2,829 1964
21
RSPCArspca.org.uk

The organization supports animals with rescue, rehabilitation, advocacy, education, and prevention efforts, including animal rescues and welfare campaigns

Non-profit Organizations 馃嚞馃嚙 Horsham 2,816 1824
22
Action for Childrenactionforchildren.org.uk

Charity gifts provide support and joy to vulnerable children during Christmas, helping to spread magic and kindness in communities.

Non-profit Organizations 馃嚞馃嚙 Watford 2,600 1869
23
Sue Rydersueryder.org

providing personalized support and care for people approaching end of life or living with grief, ensuring no one faces it alone

Non-profit Organizations 馃嚞馃嚙 London 2,525 1953
24
Marie Curie UKmariecurie.org.uk

Providing hospice care, support services, research, and campaigns for terminal illness patients and their families across the UK.

Non-profit Organizations 馃嚞馃嚙 London 2,388 1948
25
The Sutton Trustsuttontrust.com

Dedicated to enhancing social mobility through education, the organization funds programs, conducts research, and advocates for policy changes

Non-profit Organizations 馃嚞馃嚙 London 2,341 1997
26
RSPBrspb.org.uk

A long-standing conservation charity dedicated to protecting nature, forging partnerships, and inspiring others to advocate for a sustainable environment

Non-profit Organizations 馃嚞馃嚙 Sandy 2,338 1889
27
Peabodypeabody.org.uk

A not-for-profit housing association helping individuals thrive at home, work, and in communities through affordable housing and support services

Non-profit Organizations 馃嚞馃嚙 London 2,323 1862
28
Alzheimer's Societyalzheimers.org.uk

Provide support and assistance to people living with dementia, offering help today and hope for a future without devastation.

Non-profit Organizations 馃嚞馃嚙 London 2,290 1979
29
One Young Worldoneyoungworld.com

One Young World unites young leaders from around the world to tackle pressing issues, offering a platform for change and innovation

Non-profit Organizations 馃嚞馃嚙 London 2,195 2009
30
General Medical Councilgmc-uk.org

This company in the UK sets and maintains standards for doctors, investigates concerns, and takes action to ensure public confidence in the medical profession

Non-profit Organizations 馃嚞馃嚙 London 2,160 1858
31
The King's Trustkingstrust.org.uk

A youth charity founded by His Majesty The King in 1976, offering support to young people aged 11-30 in developing skills for success

Non-profit Organizations 馃嚞馃嚙 London 2,147 1976
32
Shaw Trustshawtrust.org.uk

A social purpose organization focused on challenging inequality, providing employment opportunities, and supporting social mobility through various services and support

Non-profit Organizations 馃嚞馃嚙 London 2,124 1982
33
Macmillan Cancer Supportmacmillan.org.uk

Providing comprehensive support for individuals with cancer, covering emotional, physical, and financial needs with unwavering dedication and care

Non-profit Organizations 馃嚞馃嚙 London 2,122 1911
34
Scopescope.org.uk

A disability equality charity providing support to disabled individuals and their families, advocating for equality and fairness in society

Non-profit Organizations 馃嚞馃嚙 London 2,119 1952
35
NSPCCnspcc.org.uk

The organization is dedicated to combating child abuse in the UK and Channel Islands, supporting victims, protecting at-risk children, and preventing future abuse

Non-profit Organizations 馃嚞馃嚙 London 2,118 1884
36
Unisonunison.org.uk

This organization is the UK's largest union, providing support, benefits, and services to over 13 million members across various sectors

Non-profit Organizations 馃嚞馃嚙 London 2,078 1993
37
Marie Stopes Internationalmsichoices.org

A company providing reproductive health services, formerly known as MSI Reproductive Choices

Non-profit Organizations 馃嚞馃嚙 London 2,022 1976
38
Institution of Engineering and Technology (IET)theiet.org

A global engineering institution with 154,000 members in 148 countries, inspiring and influencing engineers worldwide to create a better world

Non-profit Organizations 馃嚞馃嚙 Stevenage 1,940 n/a
39
Islamic Relief Worldwideislamic-relief.org

faith-based agency providing emergency relief, development projects for vulnerable people globally. Tackles poverty, protects communities from disasters, empowers individuals to transform lives.

Non-profit Organizations 馃嚞馃嚙 Birmingham 1,921 1984
40
The RSA (The royal society for arts, manufactures and commerce)thersa.org

Uniting people and ideas in collective action to create opportunities for regenerating the world through arts, manufactures, and commerce.

Non-profit Organizations 馃嚞馃嚙 London 1,912 n/a
41
The Scoutsscouts.org.uk

Empowering young people through hands-on learning, teamwork, and adventure, with opportunities for adults to get involved Led by Chief Scout Bear Grylls

Non-profit Organizations 馃嚞馃嚙 Chingford 1,877 n/a
42
Royal British Legionbritishlegion.org.uk

The company is the UK's largest Armed Forces charity, providing support, advocacy, and services to military personnel, veterans, and their families

Non-profit Organizations 馃嚞馃嚙 London 1,813 1921
43
Leonard Cheshireleonardcheshire.org

Empowering individuals with disabilities to live, learn, and work independently, creating a more inclusive society through research and innovation

Non-profit Organizations 馃嚞馃嚙 London 1,791 1948
44
VSOvsointernational.org

Leading global organization leveraging volunteers to drive sustainable international development and create lasting impact on communities worldwide

Non-profit Organizations 馃嚞馃嚙 London 1,643 1958
45
Royal Society of Chemistryrsc.org

This company advances excellence in chemical sciences, supports over 50,000 members, and is a renowned publisher of high-quality chemical science knowledge

Non-profit Organizations 馃嚞馃嚙 London 1,618 1841
46
PDSApdsa.org.uk

The company is the UK's leading veterinary charity, providing vital services to over 470,000 pets annually with 48 Pet Hospitals nationwide

Non-profit Organizations 馃嚞馃嚙 Telford 1,537 1917
47
Community Integrated Carecommunityintegratedcare.co.uk

A leading UK health and social care charity providing support to individuals with diverse care needs, including learning disabilities, mental health concerns, autism, and more

Non-profit Organizations 馃嚞馃嚙 Cheshire 1,495 1988
48
Sensesense.org.uk

Empowering those with complex disabilities, including those who are deafblind, to communicate, experience the world, and reach their full potential through personalized support and advocacy

Non-profit Organizations 馃嚞馃嚙 London 1,488 1955
49
Samaritanssamaritans.org

Company provides support for those in crisis, aiming to reduce suicide rates Volunteers offer emotional assistance 24/7 through a free hotline

Non-profit Organizations 馃嚞馃嚙 Ewell 1,477 1953
50
Dogs Trustdogstrust.org.uk

Charity focused on dog welfare, promoting lifelong commitment to dogs, and supporting dog care and protection across the UK.

Non-profit Organizations 馃嚞馃嚙 London 1,474 1891
51
Wellcome Trustwellcome.org

Global charitable foundation supporting discovery research in life, health, and wellbeing, addressing mental health, climate, and infectious diseases.

Non-profit Organizations 馃嚞馃嚙 London 1,468 1936
52
Housing 21housing21.org.uk

A leading provider of Extra Care and Retirement Living for older people of modest means, operating in 240 local authority areas

Non-profit Organizations 馃嚞馃嚙 Birmingham 1,439 1964
53
Malaria Consortiummalariaconsortium.org

A non-profit organization specializing in preventing, controlling, and treating malaria and other diseases among vulnerable populations in Africa and Asia

Non-profit Organizations 馃嚞馃嚙 London 1,410 2003
54
The Social Mobility Foundationsocialmobility.org.uk

Opens opportunities for young people with fewer options through professional development programmes and campaigns for systemic change to break down social barriers.

Non-profit Organizations 馃嚞馃嚙 London 1,408 2006
55
WaterAidwateraid.org

An international not-for-profit focused on providing clean water, toilets, and hygiene to everyone to break the cycle of poverty

Non-profit Organizations 馃嚞馃嚙 London 1,392 1981
56
Sheltershelter.org.uk

Providing free advice, campaigning for change, and developing solutions to address homelessness and housing issues to create safe and affordable homes for everyone

Non-profit Organizations 馃嚞馃嚙 London 1,376 1966
57
English Heritageenglish-heritage.org.uk

Charity managing and preserving hundreds of historic sites across England, promoting shared enjoyment and cultural value among millions.

Non-profit Organizations 馃嚞馃嚙 Swindon 1,370 2015
58
Cats Protectioncats.org.uk

A leading cat welfare organization providing support, advice, fostering, and rehoming services, advocating for cat welfare issues, and running a large neutering program

Non-profit Organizations 馃嚞馃嚙 Chelwood Gate 1,359 1927
59
RNIBrnib.org.uk

A leading UK sight loss charity providing support, services, and products for blind and partially sighted individuals, advocating for accessibility and societal change

Non-profit Organizations 馃嚞馃嚙 London 1,336 1868
60
The Guide Dogs for the Blind Associationguidedogs.org.uk

A company providing life-changing services for people with visual impairments, offering guide dogs, support, and independence through innovative approaches and collaborations

Non-profit Organizations 馃嚞馃嚙 Burghfield Common 1,328 1931
61
Girlguidinggirlguiding.org.uk

Empowering girls through leadership and skill-building activities, with a focus on creating a supportive community for young women's personal growth

Non-profit Organizations 馃嚞馃嚙 London 1,303 n/a
62
The Honourable Society of Lincoln's Innlincolnsinn.org.uk

An historic society for lawyers in central London, offering services to members such as a law library, education, accommodation, and event hosting

Non-profit Organizations 馃嚞馃嚙 London 1,288 1422
63
GMBgmb.org.uk

A trade union with 620,000 members advocating for fair pay, safe working conditions, work/life balance, and legal rights for workers

Non-profit Organizations 馃嚞馃嚙 London 1,278 1889
64
Local Councilgov.uk

Locate and connect with local authorities across England, Wales, Scotland, and Northern Ireland for accessible information and services

Non-profit Organizations 馃嚞馃嚙 London 1,275 n/a
65
Notting Hill Genesisgroup.nhg.org.uk

Not-for-profit organisation providing quality, below-market rent homes, developing new properties, supporting 130,000 residents across London communities.

Non-profit Organizations 馃嚞馃嚙 London 1,268 2018
66
St Mungo'smungos.org

A charity in England helping people end homelessness through direct services, policy influence, and support in finding housing and employment

Non-profit Organizations 馃嚞馃嚙 London 1,247 1969
67
CABIcabi.org

A non-profit organization applying scientific expertise in agriculture and environment to improve lives globally through international development, research, and publishing

Non-profit Organizations 馃嚞馃嚙 Wallingford 1,239 1910
68
Bromfordbromford.co.uk

This housing association provides homes for rent, shared ownership, and outright sale in central and south west England, focusing on helping people thrive through strong relationships

Non-profit Organizations 馃嚞馃嚙 Tewkesbury 1,227 1963
69
Innovate UKukri.org

The company helps businesses grow by supporting the development of new products, services, and processes through innovation, with a focus on testing at their innovation hub

Non-profit Organizations 馃嚞馃嚙 Swindon 1,146 2007
70
Catch22catch-22.org.uk

A social business with a not for profit model, providing services that build resilience and aspiration in individuals and communities

Non-profit Organizations 馃嚞馃嚙 London 1,146 1788
71
Zoological Society of London (ZSL)zsl.org

Science-driven conservation organisation restoring wildlife, protecting species, restoring ecosystems, collaborating globally, inspiring support, and creating sustainable solutions.

Non-profit Organizations 馃嚞馃嚙 London 1,135 1826
72
Kidskids.org.uk

A UK charity supporting children and young people with special educational needs and disabilities, creating life-changing opportunities for them and their families

Non-profit Organizations 馃嚞馃嚙 Sutton Coldfield 1,130 1970
73
Sightsaverssightsavers.org

International organization partnering to protect sight and fight for disability rights, focusing on responding to queries within 48 hours

Non-profit Organizations 馃嚞馃嚙 Chippenham 1,077 n/a
74
Human Appealhumanappeal.org.uk

A global non-profit organization providing immediate relief, healthcare, education, and livelihood programs to empower communities and save lives during emergencies

Non-profit Organizations 馃嚞馃嚙 Cheshire 1,064 1991
75
Theirworldtheirworld.org

A global children's charity dedicated to ending the education crisis, providing a safe learning environment, and developing skills for the future

Non-profit Organizations 馃嚞馃嚙 London 1,020 2002
76
Metropolitan Thames Valleymtvh.co.uk

A leading UK housing association dedicated to providing affordable homes, care services, and community regeneration to create thriving communities

Non-profit Organizations 馃嚞馃嚙 London 1,009 1959
77
The Growth Companygrowthco.uk

A not-for-profit organization driving economic, personal, and professional development through boosting employment, skills, investment, and enterprise within communities

Non-profit Organizations 馃嚞馃嚙 Manchester 1,009 n/a
78
Institute of Directors (IoD)iod.com

Provides professional development, networking, and expert advice for business leaders, advocating their views in policy and legislation to foster prosperity and improve governance.

Non-profit Organizations 馃嚞馃嚙 London 995 1903
79
Rethink Mental Illnessrethink.org

A charity supporting millions affected by mental illness, providing crisis intervention, independent living support, and fostering a sense of community

Non-profit Organizations 馃嚞馃嚙 London 988 1972
80
The Duke of Edinburgh's Awarddofe.org

This organization is the official source of information, resources, and news about The Duke of Edinburgh鈥檚 Award, which develops young people for life and work

Non-profit Organizations 馃嚞馃嚙 Reading 983 1956
81
Midland Heartmidlandheart.org.uk

Manage over 35,000 properties providing safe, quality, and affordable homes for tenants in the Midlands region.

Non-profit Organizations 馃嚞馃嚙 Birmingham 983 1925
82
Which?which.co.uk

A UK-based organization focused on protecting consumers, providing impartial research, expert advice, product reviews, and advocating for consumer rights

Non-profit Organizations 馃嚞馃嚙 London 976 1957
83
Arts Council Englandartscouncil.org.uk

Championing and investing in diverse artistic and cultural experiences across arts, museums, libraries, theatre, music, literature, and crafts.

Non-profit Organizations 馃嚞馃嚙 Manchester 964 1940
84
The Children's Societychildrenssociety.org.uk

This company is dedicated to fighting abuse and neglect to ensure every young person has a good childhood and promising future

Non-profit Organizations 馃嚞馃嚙 London 959 1881
85
Abri Groupabri.co.uk

Manage and own over 58,000 homes, providing affordable, social rent, shared ownership, and market housing across South England.

Non-profit Organizations 馃嚞馃嚙 Eastleigh 959 n/a
86
Restless Developmentrestlessdevelopment.org

A youth-led development agency empowering young people to drive change and address persistent global issues, reaching millions through various programs

Non-profit Organizations 馃嚞馃嚙 London 948 1985
87
CAMFED - Campaign for Female Educationcamfed.org

Pan-African movement revolutionizing girls' education delivery, improving prospects and supporting transition to secure livelihoods and leadership for young women

Non-profit Organizations 馃嚞馃嚙 Cambridge 948 1993
88
Royal Aeronautical Societyaerosociety.com

Dedicated professional body for the entire aerospace community, established 1866. Furthers art, science, and engineering of aeronautics. Membership open to anyone in or interested in the sector.

Non-profit Organizations 馃嚞馃嚙 London 941 1866
89
Achieving for Childrenachievingforchildren.org.uk

A social enterprise delivering children's services in Kingston, Richmond, and Windsor & Maidenhead, offering consultancy services nationwide #socialcare #digital #jobs

Non-profit Organizations 馃嚞馃嚙 Twickenham 911 2014
90
The Honourable Society of the Middle Templemiddletemple.org.uk

Exclusive legal training institution providing education, support, property management, and professional community services for barristers and law students.

Non-profit Organizations 馃嚞馃嚙 London 910 1608
91
Nacronacro.org.uk

Supporting individuals through housing, justice, substance misuse, and education services, amplifying their voices and advocating for lasting change

Non-profit Organizations 馃嚞馃嚙 London 897 1966
92
A2Dominion Groupa2dominiongroup.co.uk

Provision of social, affordable, supported, and market sale homes with community projects enhancing health, wellbeing, and financial stability.

Non-profit Organizations 馃嚞馃嚙 London 879 2008
93
Anchor Trustanchor.org.uk

A leading not-for-profit provider of housing, care, and support services for older people, with a strong reputation and social purpose

Non-profit Organizations 馃嚞馃嚙 London 876 n/a
94
The British Psychological Societybps.org.uk

Representative body for UK psychologists promoting excellence, ethical practice, and advancement in psychology science, education, and practical applications

Non-profit Organizations 馃嚞馃嚙 Leicester 875 1901
95
Platform Housing Groupplatformhg.com

A leading housing association in the Midlands, providing quality homes and services across various regions to make a positive impact on communities

Non-profit Organizations 馃嚞馃嚙 Solihull 849 2018
96
MAG (Mines Advisory Group)maginternational.org

Clearance of land contaminated by explosives, reducing civilian risks, and creating safe conditions for development in conflict-affected areas.

Non-profit Organizations 馃嚞馃嚙 Manchester 841 1989
97
Eliteelitestaffordshire.co.uk

This organization supports disabled individuals and their carers through peer support, information on Direct Payments, Personal Budgets, and community activities for independence

Non-profit Organizations 馃嚞馃嚙 Newcastle-under-Lyme 839 2008
98
CBI (Confederation of British Industry)cbi.org.uk

Voice for British businesses across all sectors and regions, facilitating collaboration between industry leaders and government officials to promote sustainable economic growth.

Non-profit Organizations 馃嚞馃嚙 London 827 n/a
99
CHPchp.org.uk

A charitable housing association based in Chelmsford, Essex, providing affordable homes for rent and sale, while focusing on transforming lives and communities

Non-profit Organizations 馃嚞馃嚙 Chelmsford 826 2002
100
Aster Group UKaster.co.uk

The company's vision is to provide housing options to address the housing crisis, ensuring everyone has a safe and secure home

Non-profit Organizations 馃嚞馃嚙 Devizes 823 n/a

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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 Oct 24, 2026.

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