CHESTERFIELD OPERATIC SOCIETY
Registration #1203451 · Registered
chesterfieldoperaticsociety.co.ukcontact@costheatre.co.uk
5A ABERCROMBIE STREET CHESTERFIELD S41 7LW
Chesterfield Operatic Society (COS) is one of the oldest amateur musical theatre companies in the country, being first established in 1905. Through the presentation of public events and the performance of shows we aim to advance, improve, develop and maintain public education in, and appreciation of, the dramatic and operatic arts in chesterfield and the surrounding area.
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About CHESTERFIELD OPERATIC SOCIETY
CHESTERFIELD OPERATIC SOCIETY is a registered charity in England and Wales (registration number 1203451). Based on official Charity Commission data, it holds a "Platinum" rating with a CharityScore of 90/100 — one of the highest-rated charities in England and Wales for governance and transparency. This places it among the top-rated charities in our database, reflecting strong performance across governance, financial health, and regulatory compliance. In its most recent reporting year (2025), CHESTERFIELD OPERATIC SOCIETY reported a total income of £80,411 and total expenditure of £69,344, a spending ratio of 86% indicating a strong proportion of funds directed to charitable work. According to the Charity Commission register, CHESTERFIELD OPERATIC SOCIETY describes its activities as follows: Chesterfield Operatic Society (COS) is one of the oldest amateur musical theatre companies in the country, being first established in 1905. Through the presentation of public events and the performance of shows we aim to advance, improve, develop and maintain public education in, and appreciation of, the dramatic and operatic arts in chesterfield and the surrounding area. Our analysis found no significant governance concerns for CHESTERFIELD OPERATIC SOCIETY. No regulatory actions, filing failures, or financial anomalies were detected in the available public data. This profile is based on data publicly available from the Charity Commission for England and Wales and is updated periodically as new filings are processed. CharityScore UK provides independent, data-driven transparency ratings to help donors give with confidence — we are not affiliated with this charity or any government body.

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Financial History
Latest spending ratio: 86.2% of income spent on charitable work
| Year | Income | Spending | Ratio |
|---|---|---|---|
| 2025 | £80,411 | £69,344 | 86% |
Data sourced from the Charity Commission for England & Wales · Last scored 6/11/2026