01 Identity
Registration and reporting
- Registration status
- Registered
- Reporting status
- Submission Received
- Charity type
- Charitable company
- Registered
- 22 May 2017
- Removed
- Not supplied
- Company number supplied
- 10401717
- Financial period
- 1 January 2025 – 31 December 2025
- Latest income
- £15,859,000
- Latest expenditure
- £14,385,000
- Gift Aid
- No
- Owns or uses land
- No
- In administration
- No
- Insolvent
- No
- CIO
- No
Public contact address: First Floor, 44 Featherstone Street, London, EC1Y 8RN
Website recorded by the regulator: www.c40.org/c40-uk (displayed as text)
02 Activities
What the charity does
C40 is a global network of nearly 100 mayors of the world's leading cities that are united in action to confront the climate crisis and create a future where everyone, everywhere can thrive.
03 Official extract
Charity Annual Return History
- Fin Period Start Date
- 1 January 2025
- Fin Period End Date
- 31 December 2025
- Ar Cycle Reference
- AR25
- Reporting Due Date
- 31 October 2026
- Date Annual Return Received
- 3 September 2026
- Date Accounts Received
- 3 September 2026
- Total Gross Income
- £15,859,000
- Total Gross Expenditure
- £14,385,000
- Fin Period Start Date
- 1 January 2024
- Fin Period End Date
- 31 December 2024
- Ar Cycle Reference
- AR24
- Reporting Due Date
- 31 October 2025
- Date Annual Return Received
- 10 October 2025
- Date Accounts Received
- 10 October 2025
- Total Gross Income
- £13,901,000
- Total Gross Expenditure
- £14,238,000
- Fin Period Start Date
- 1 January 2023
- Fin Period End Date
- 31 December 2023
- Ar Cycle Reference
- AR23
- Reporting Due Date
- 31 October 2024
- Date Annual Return Received
- 22 October 2024
- Date Accounts Received
- 22 October 2024
- Total Gross Income
- £12,998,000
- Total Gross Expenditure
- £11,832,000
- Fin Period Start Date
- 1 January 2022
- Fin Period End Date
- 31 December 2022
- Ar Cycle Reference
- AR22
- Reporting Due Date
- 31 October 2023
- Date Annual Return Received
- 14 July 2023
- Date Accounts Received
- 14 July 2023
- Total Gross Income
- £11,131,327
- Total Gross Expenditure
- £10,033,122
- Fin Period Start Date
- 1 January 2021
- Fin Period End Date
- 31 December 2021
- Ar Cycle Reference
- AR21
- Reporting Due Date
- 31 October 2022
- Date Annual Return Received
- 24 October 2022
- Date Accounts Received
- 24 October 2022
- Total Gross Income
- £8,453,152
- Total Gross Expenditure
- £8,285,297
04 Official extract
Charity Annual Return Parta
- Latest Fin Period Submitted Ind
- Yes
- Fin Period Order Number
- 1
- Ar Cycle Reference
- AR25
- Fin Period Start Date
- 1 January 2025
- Fin Period End Date
- 31 December 2025
- Ar Due Date
- 31 October 2026
- Ar Received Date
- 3 September 2026
- Total Gross Income
- £15,859,000
- Total Gross Expenditure
- £14,385,000
- Grant Making Is Main Activity
- No
- Count Govt Contracts
- 0
- Count Govt Grants
- £0
- Charity Has Trading Subsidiary
- No
- Does Trustee Receive Any Benefit
- No
- Trustee Payments Acting As Trustee
- No
- Trustee Receives Payments Services
- No
- Trustee Receives Other Benefit
- No
- Trustee Resigned Employment
- No
- Employees Salary Over 60k
- Yes
- Count Salary Band 60001 70000
- 33
- Count Salary Band 70001 80000
- 25
- Count Salary Band 80001 90000
- 3
- Count Salary Band 90001 100000
- 8
- Count Salary Band 100001 110000
- 2
- Count Salary Band 110001 120000
- 0
- Count Salary Band 120001 130000
- 4
- Count Salary Band 130001 140000
- 1
- Count Salary Band 140001 150000
- 0
- Count Salary Band 150001 200000
- 2
- Count Salary Band 200001 250000
- 0
- Count Salary Band 250001 300000
- 0
- Count Salary Band 300001 350000
- 0
- Count Salary Band 350001 400000
- 0
- Count Salary Band 400001 450000
- 0
- Count Salary Band 450001 500000
- 0
- Count Salary Band Over 500000
- 0
- Count Volunteers
- 0
- Latest Fin Period Submitted Ind
- No
- Fin Period Order Number
- 2
- Ar Cycle Reference
- AR24
- Fin Period Start Date
- 1 January 2024
- Fin Period End Date
- 31 December 2024
- Ar Due Date
- 31 October 2025
- Ar Received Date
- 10 October 2025
- Total Gross Income
- £13,901,000
- Total Gross Expenditure
- £14,238,000
- Grant Making Is Main Activity
- No
- Count Govt Contracts
- 0
- Count Govt Grants
- £0
- Charity Has Trading Subsidiary
- No
- Does Trustee Receive Any Benefit
- No
- Trustee Payments Acting As Trustee
- No
- Trustee Receives Payments Services
- No
- Trustee Receives Other Benefit
- No
- Trustee Resigned Employment
- No
- Employees Salary Over 60k
- Yes
- Count Salary Band 60001 70000
- 27
- Count Salary Band 70001 80000
- 24
- Count Salary Band 80001 90000
- 55
- Count Salary Band 90001 100000
- 4
- Count Salary Band 110001 120000
- 1
- Count Salary Band 120001 130000
- 1
- Count Salary Band 130001 140000
- 4
- Count Salary Band 150001 200000
- 2
- Count Volunteers
- 0
- Latest Fin Period Submitted Ind
- No
- Fin Period Order Number
- 3
- Ar Cycle Reference
- AR23
- Fin Period Start Date
- 1 January 2023
- Fin Period End Date
- 31 December 2023
- Ar Due Date
- 31 October 2024
- Ar Received Date
- 22 October 2024
- Total Gross Income
- £12,998,000
- Total Gross Expenditure
- £11,832,000
- Grant Making Is Main Activity
- No
- Count Govt Contracts
- 0
- Count Govt Grants
- £0
- Charity Has Trading Subsidiary
- No
- Does Trustee Receive Any Benefit
- No
- Trustee Payments Acting As Trustee
- No
- Trustee Receives Payments Services
- No
- Trustee Receives Other Benefit
- No
- Trustee Resigned Employment
- No
- Employees Salary Over 60k
- Yes
- Count Salary Band 60001 70000
- 29
- Count Salary Band 70001 80000
- 16
- Count Salary Band 80001 90000
- 5
- Count Salary Band 90001 100000
- 2
- Count Salary Band 130001 140000
- 2
- Count Salary Band 150001 200000
- 1
- Count Salary Band 200001 250000
- 1
- Count Volunteers
- 0
- Latest Fin Period Submitted Ind
- No
- Fin Period Order Number
- 4
- Ar Cycle Reference
- AR22
- Fin Period Start Date
- 1 January 2022
- Fin Period End Date
- 31 December 2022
- Ar Due Date
- 31 October 2023
- Ar Received Date
- 14 July 2023
- Total Gross Income
- £11,131,327
- Total Gross Expenditure
- £10,033,122
- Charity Raises Funds From Public
- No
- Charity Receives Govt Funding Contracts
- No
- Charity Receives Govt Funding Grants
- No
- Charity Has Trading Subsidiary
- No
- Does Trustee Receive Any Benefit
- No
- Trustee Resigned Employment
- No
- Employees Salary Over 60k
- Yes
- Count Salary Band 60001 70000
- 10
- Count Salary Band 70001 80000
- 6
- Count Salary Band 80001 90000
- 1
- Count Salary Band 90001 100000
- 3
- Count Salary Band 100001 110000
- 2
- Count Salary Band 110001 120000
- 2
- Count Volunteers
- 0
- Latest Fin Period Submitted Ind
- No
- Fin Period Order Number
- 5
- Ar Cycle Reference
- AR21
- Fin Period Start Date
- 1 January 2021
- Fin Period End Date
- 31 December 2021
- Ar Due Date
- 31 October 2022
- Ar Received Date
- 24 October 2022
- Total Gross Income
- £8,453,152
- Total Gross Expenditure
- £8,285,297
- Charity Raises Funds From Public
- No
- Charity Receives Govt Funding Contracts
- No
- Charity Receives Govt Funding Grants
- No
- Charity Has Trading Subsidiary
- No
- Does Trustee Receive Any Benefit
- No
- Trustee Resigned Employment
- No
- Employees Salary Over 60k
- Yes
- Count Salary Band 60001 70000
- 4
- Count Salary Band 70001 80000
- 6
- Count Salary Band 80001 90000
- 0
- Count Salary Band 90001 100000
- 2
- Count Salary Band 100001 110000
- 0
- Count Salary Band 110001 120000
- 3
- Count Salary Band 120001 130000
- 0
- Count Salary Band 130001 140000
- 0
- Count Salary Band 140001 150000
- 0
- Count Salary Band 150001 200000
- 2
- Count Salary Band 200001 250000
- 0
- Count Salary Band 250001 300000
- 0
- Count Salary Band 300001 350000
- 0
- Count Salary Band 350001 400000
- 0
- Count Salary Band 400001 450000
- 0
- Count Salary Band 450001 500000
- 0
- Count Salary Band Over 500000
- 0
- Count Volunteers
- 0
05 Official extract
Charity Annual Return Partb
- Latest Fin Period Submitted Ind
- Yes
- Fin Period Order Number
- 1
- Ar Cycle Reference
- AR25
- Fin Period Start Date
- 1 January 2025
- Fin Period End Date
- 31 December 2025
- Ar Due Date
- 31 October 2026
- Ar Received Date
- 3 September 2026
- Income Donations And Legacies
- 15669000
- Income Other Trading Activities
- 0
- Income Charitable Activities
- 0
- Income Investments
- 0
- Income Other
- 190000
- Income Total Income And Endowments
- 15859000
- Income Legacies
- 0
- Income Endowments
- 0
- Expenditure Raising Funds
- £0
- Expenditure Charitable Expenditure
- £14,385,000
- Expenditure Other
- 0
- Expenditure Total
- 14385000
- Expenditure Investment Management
- 0
- Expenditure Grants Institution
- 0
- Expenditure Governance
- 107000
- Expenditure Support Costs
- 2429000
- Expenditure Depreciation
- 0
- Gain Loss Investment
- 0
- Gain Loss Pension Fund
- 0
- Gain Loss Revaluation Fixed Investment
- 0
- Gain Loss Other
- 0
- Reserves
- £4,279,000
- Assets Total Fixed
- 0
- Assets Own Use
- 0
- Assets Long Term Investment
- 0
- Defined Benefit Pension Scheme
- 0
- Assets Other Assets
- £12,590,000
- Assets Total Liabilities
- £8,354,000
- Assets Current Investment
- 0
- Assets Total Assets And Liabilities
- £4,236,000
- Creditors One Year Total Current
- 8354000
- Creditors Falling Due After One Year
- 0
- Assets Cash
- £11,162,000
- Funds Endowment
- 0
- Funds Unrestricted
- 4279000
- Funds Restricted
- -43000
- Funds Total
- 4236000
- Count Employees
- 161
- Charity Only Accounts
- Yes
- Latest Fin Period Submitted Ind
- No
- Fin Period Order Number
- 2
- Ar Cycle Reference
- AR24
- Fin Period Start Date
- 1 January 2024
- Fin Period End Date
- 31 December 2024
- Ar Due Date
- 31 October 2025
- Ar Received Date
- 10 October 2025
- Income Donations And Legacies
- 13776000
- Income Other Trading Activities
- 0
- Income Charitable Activities
- 0
- Income Investments
- 0
- Income Other
- 125000
- Income Total Income And Endowments
- 13901000
- Income Legacies
- 0
- Income Endowments
- 0
- Expenditure Raising Funds
- £0
- Expenditure Charitable Expenditure
- £14,238,000
- Expenditure Other
- 0
- Expenditure Total
- 14238000
- Expenditure Investment Management
- 0
- Expenditure Grants Institution
- 0
- Expenditure Governance
- 40000
- Expenditure Support Costs
- 2469000
- Expenditure Depreciation
- 0
- Gain Loss Investment
- 0
- Gain Loss Pension Fund
- 0
- Gain Loss Revaluation Fixed Investment
- 0
- Gain Loss Other
- 0
- Reserves
- £3,011,000
- Assets Total Fixed
- 0
- Assets Own Use
- 0
- Assets Long Term Investment
- 0
- Defined Benefit Pension Scheme
- 0
- Assets Other Assets
- £6,207,000
- Assets Total Liabilities
- £3,445,000
- Assets Current Investment
- 0
- Assets Total Assets And Liabilities
- £2,762,000
- Creditors One Year Total Current
- 3445000
- Creditors Falling Due After One Year
- 0
- Assets Cash
- £5,553,000
- Funds Endowment
- 0
- Funds Unrestricted
- 3011000
- Funds Restricted
- -249000
- Funds Total
- 2762000
- Count Employees
- 153
- Charity Only Accounts
- Yes
- Latest Fin Period Submitted Ind
- No
- Fin Period Order Number
- 3
- Ar Cycle Reference
- AR23
- Fin Period Start Date
- 1 January 2023
- Fin Period End Date
- 31 December 2023
- Ar Due Date
- 31 October 2024
- Ar Received Date
- 22 October 2024
- Income Donations And Legacies
- 12895000
- Income Other Trading Activities
- 0
- Income Charitable Activities
- 0
- Income Investments
- 0
- Income Other
- 103000
- Income Total Income And Endowments
- 12998000
- Income Legacies
- 0
- Income Endowments
- 0
- Expenditure Raising Funds
- £5,000
- Expenditure Charitable Expenditure
- £10,592,000
- Expenditure Other
- 1235000
- Expenditure Total
- 11832000
- Expenditure Investment Management
- 0
- Expenditure Grants Institution
- 0
- Expenditure Governance
- 73000
- Expenditure Support Costs
- 2840000
- Expenditure Depreciation
- 0
- Gain Loss Investment
- 0
- Gain Loss Pension Fund
- 0
- Gain Loss Revaluation Fixed Investment
- 0
- Gain Loss Other
- 0
- Reserves
- £2,515,000
- Assets Total Fixed
- 0
- Assets Own Use
- 0
- Assets Long Term Investment
- 0
- Defined Benefit Pension Scheme
- 0
- Assets Other Assets
- £4,708,000
- Assets Total Liabilities
- £1,609,000
- Assets Current Investment
- 0
- Assets Total Assets And Liabilities
- £3,099,000
- Creditors One Year Total Current
- 1609000
- Creditors Falling Due After One Year
- 0
- Assets Cash
- £2,554,000
- Funds Endowment
- 0
- Funds Unrestricted
- 2515000
- Funds Restricted
- 584000
- Funds Total
- 3099000
- Count Employees
- 152
- Charity Only Accounts
- Yes
- Latest Fin Period Submitted Ind
- No
- Fin Period Order Number
- 4
- Ar Cycle Reference
- AR22
- Fin Period Start Date
- 1 January 2022
- Fin Period End Date
- 31 December 2022
- Ar Due Date
- 31 October 2023
- Ar Received Date
- 14 July 2023
- Income Donations And Legacies
- 11127262
- Income Other Trading Activities
- 0
- Income Charitable Activities
- 0
- Income Investments
- 4005
- Income Other
- 60
- Income Total Income And Endowments
- 11131327
- Income Legacies
- 0
- Income Endowments
- 0
- Expenditure Raising Funds
- £44,674
- Expenditure Charitable Expenditure
- £9,988,448
- Expenditure Other
- 0
- Expenditure Total
- 10033122
- Expenditure Investment Management
- 0
- Expenditure Grants Institution
- 0
- Expenditure Governance
- 69809
- Expenditure Support Costs
- 2482008
- Expenditure Depreciation
- 0
- Gain Loss Investment
- 0
- Gain Loss Pension Fund
- 0
- Gain Loss Revaluation Fixed Investment
- 0
- Gain Loss Other
- 0
- Reserves
- £1,550,580
- Assets Total Fixed
- 0
- Assets Own Use
- 0
- Assets Long Term Investment
- 0
- Defined Benefit Pension Scheme
- 0
- Assets Other Assets
- £2,497,666
- Assets Total Liabilities
- £565,005
- Assets Current Investment
- 0
- Assets Total Assets And Liabilities
- £1,932,661
- Creditors One Year Total Current
- 565005
- Creditors Falling Due After One Year
- 0
- Assets Cash
- £2,289,665
- Funds Endowment
- 0
- Funds Unrestricted
- 1550580
- Funds Restricted
- 382081
- Funds Total
- 1932661
- Count Employees
- 127
- Charity Only Accounts
- Yes
- Latest Fin Period Submitted Ind
- No
- Fin Period Order Number
- 5
- Ar Cycle Reference
- AR21
- Fin Period Start Date
- 1 January 2021
- Fin Period End Date
- 31 December 2021
- Ar Due Date
- 31 October 2022
- Ar Received Date
- 24 October 2022
- Income Donations And Legacies
- 8452052
- Income Other Trading Activities
- 0
- Income Charitable Activities
- 0
- Income Investments
- 97
- Income Other
- 1003
- Income Total Income And Endowments
- 8453152
- Income Legacies
- 0
- Income Endowments
- 0
- Expenditure Raising Funds
- £38,830
- Expenditure Charitable Expenditure
- £8,246,467
- Expenditure Other
- 0
- Expenditure Total
- 8285297
- Expenditure Investment Management
- 0
- Expenditure Grants Institution
- 0
- Expenditure Governance
- 81606
- Expenditure Support Costs
- 2172648
- Expenditure Depreciation
- 1300
- Gain Loss Investment
- 0
- Gain Loss Pension Fund
- 0
- Gain Loss Revaluation Fixed Investment
- 0
- Gain Loss Other
- 0
- Reserves
- £724,743
- Assets Total Fixed
- 0
- Assets Own Use
- 0
- Assets Long Term Investment
- 0
- Defined Benefit Pension Scheme
- 0
- Assets Other Assets
- £1,299,211
- Assets Total Liabilities
- £464,755
- Assets Current Investment
- 0
- Assets Total Assets And Liabilities
- £834,456
- Creditors One Year Total Current
- 464755
- Creditors Falling Due After One Year
- 0
- Assets Cash
- £89,349
- Funds Endowment
- 0
- Funds Unrestricted
- 724743
- Funds Restricted
- 109713
- Funds Total
- 834456
- Count Employees
- 123
- Charity Only Accounts
- Yes
06 Official extract
Charity Area Of Operation
- Geographic Area Type
- Region
- Geographic Area Description
- Throughout England And Wales
- Welsh Ind
- No
07 Official extract
Charity Classification
- Classification Code
- 102
- Classification Type
- What
- Classification Description
- Education/training
- Classification Code
- 101
- Classification Type
- What
- Classification Description
- General Charitable Purposes
- Classification Code
- 307
- Classification Type
- How
- Classification Description
- Provides Advocacy/advice/information
- Classification Code
- 207
- Classification Type
- Who
- Classification Description
- The General Public/mankind
- Classification Code
- 112
- Classification Type
- What
- Classification Description
- Environment/conservation/heritage
- Classification Code
- 308
- Classification Type
- How
- Classification Description
- Sponsors Or Undertakes Research
- Classification Code
- 306
- Classification Type
- How
- Classification Description
- Provides Services
08 Official extract
Charity Event History
- Charity Name
- C40 CITIES CLIMATE LEADERSHIP
- Charity Event Order
- 1
- Event Type
- Standard registration
- Date Of Event
- 2017-05-22T00:00:00
09 Official extract
Charity Governing Document
- Governing Document Description
- MEMORANDUM AND ARTICLES INCORPORATED 29 SEP 2016AS AMENDED BY SPECIAL RESOLUTION REGISTERED AT COMPANIES HOUSE ON 22 MAR 2017 as amended on 01 Jan 2026 as amended on 01 Jan 2026
- Charitable Objects
- 2.1 THE OBJECTS OF THE CHARITY ARE: 2.1.1 THE ADVANCEMENT OF ENVIRONMENTAL PROTECTION AND CONSERVATION OF THE NATURAL ENVIRONMENT, PARTICULARLY BY PROMOTING THE REDUCTION OF GREENHOUSE GASES (INCLUDING CARBON DIOXIDE, METHANE AND ANY OTHER GASES THAT MAY BE IDENTIFIED FROM TIME TO TIME AS HAVING A GLOBAL WARMING POTENTIAL); 2.1.2 TO PROMOTE SUSTAINABLE DEVELOPMENT FOR THE BENEFIT OF THE PUBLIC BY THE PROMOTION OF SUSTAINABLE MEANS OF ACHIEVING ECONOMIC GROWTH AND REGENERATION;2.1.3 TO ADVANCE THE EDUCATION OF THE PUBLIC IN SUBJECTS RELATING TO GLOBAL WARMING, CLIMATE CHANGE, SUSTAINABLE DEVELOPMENT AND THE PROTECTION, ENHANCEMENT AND REHABILITATION OF THE ENVIRONMENT AND TO PROMOTE STUDY AND RESEARCH IN SUCH SUBJECTS PROVIDED THAT THE USEFUL RESULTS OF SUCH STUDY ARE DISSEMINATED TO THE PUBLIC AT LARGE; AND2.1.4 SUCH OTHER OBJECTS, AS SHALL BE EXCLUSIVELY CHARITABLE BY THE LAW OF ENGLAND AND WALES AS THE TRUSTEES SHALL DECIDE.SUSTAINABLE DEVELOPMENT MEANS DEVELOPMENT WHICH MEETS THE NEEDS OF THE PRESENT WITHOUT COMPROMISING THE ABILITY OF FUTURE GENERATIONS TO MEET THEIR OWN NEEDS.2.2 NOTHING IN THESE ARTICLES SHALL AUTHORISE AN APPLICATION OF THE PROPERTY OF THE CHARITY FOR PURPOSES WHICH ARE NOT CHARITABLE IN ACCORDANCE WITH SECTION 7 OF THE CHARITIES AND TRUSTEE INVESTMENT (SCOTLAND) ACT 2005 AND SECTION 2 OF THE CHARITIES ACT (NORTHERN IRELAND) 2008.
10 Official extract
Charity Other Names
- Charity Name Id
- 582421
- Charity Name Type
- Working name
- Charity Name
- C40 CITIES UK
11 Official extract
Charity Policy
- Policy Name
- Safeguarding vulnerable beneficiaries
- Policy Name
- Campaigns and political activity policy and procedures
- Policy Name
- Complaints policy and procedures
- Policy Name
- Internal charity financial controls policy and procedures
- Policy Name
- Trustee expenses policy and procedures
- Policy Name
- Conflicting interests
- Policy Name
- Serious incident reporting policy and procedures
- Policy Name
- Social media policy and procedures
- Policy Name
- Bullying and harassment policy and procedures
- Policy Name
- Engaging external speakers at charity events policy and procedures
- Policy Name
- Paying staff
- Policy Name
- Trustee conflicts of interest policy and procedures
- Policy Name
- Internal risk management policy and procedures
- Policy Name
- Safeguarding policy and procedures
- Policy Name
- Complaints handling
- Policy Name
- Financial reserves policy and procedures