The Institute Of Acoustics Limited
Also known as: Ioa
The Institute is the professional body representing acoustics in the United Kingdom, and provides a range of services for members. The Institute's principal objectives are:Education, Conferences and Meetings, Publications.
Activities & Mission
The Institute is the professional body representing acoustics in the United Kingdom, and provides a range of services for members. The Institute's principal objectives are:Education, Conferences and Meetings, Publications.
Grants
The Institute Of Acoustics Limited makes grants as part of its work.
- Gives grants to
- individuals
- Total spending (2025)
- £1,554,897
- Only charities with income over £500,000 file a separate grants figure.
- Who it helps
- other defined groups
- What it supports
- education and training
As recorded with the Charity Commission. To ask about applying, use the contact details and check the trustees and latest accounts below.
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Where this charity is registered to operate, as self-declared to the Charity Commission. These are regulatory classifications, not a list of active programmes, and don't necessarily indicate fundraising activity in each location.
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Financial Information
Financial Efficiency
Higher than 38% of UK Arts charities with income £1M to £10M (sample: 304). How is this calculated?
Higher than 13% of UK Arts charities with income £1M to £10M. How is this calculated?
Lower overhead than 4% of UK Arts charities with income £1M to £10M. (Lower overhead is generally read as more efficient.) How is this calculated?
Latest Financial Breakdown
Income Sources
Expenditure Categories
Financial Trend
Annual Returns
As filed with the Charity Commission for England and Wales. Most recent filing covers the financial year ending 2025.
| Financial Year | Income | Expenditure | Charitable Spending | Net Assets | Reserves | Staff |
|---|---|---|---|---|---|---|
| 2025 | £1,322,976 | £1,554,897 | £1,166,181 | £1,124,609 | £1,124,609 | 8 / 20 |
| 2024 | £1,310,903 | £1,457,120 | £1,104,314 | £1,348,355 | £1,356,530 | 7 / 50 |
| 2023 | £1,252,769 | £1,342,590 | £997,411 | £1,502,747 | £1,502,747 | 7 / 20 |
| 2022 | £1,139,264 | £1,178,729 | £845,506 | £1,592,568 | £1,591,940 | 6 / 50 |
| 2021 | £994,194 | £962,642 | £363,244 | £1,632,033 | £1,624,383 | 6 / 70 |
Staff column shows: Employees / Volunteers
Frequently asked questions about The Institute Of Acoustics Limited
What does The Institute Of Acoustics Limited do?
The Institute is the professional body representing acoustics in the United Kingdom, and provides a range of services for members. The Institute's principal objectives are:Education, Conferences and Meetings, Publications.
How much income did The Institute Of Acoustics Limited report in 2025?
The Institute Of Acoustics Limited reported total income of £1.32m and reported expenditure of £1.55m for the financial year ending 2025, based on the most recent annual return filed with the Charity Commission.
How efficient is The Institute Of Acoustics Limited?
The Institute Of Acoustics Limited has a program ratio of 88.1%, meaning that share of its income goes directly to charitable activities. This is higher than 38% of UK Arts charities with income £1M to £10M (sample of 304 charities). See our methodology for how this is calculated.
When was The Institute Of Acoustics Limited registered as a charity?
The Institute Of Acoustics Limited was registered with the Charity Commission for England and Wales on 19 March 1974 as charity number 267026. It has been registered for 52 years.
Who runs The Institute Of Acoustics Limited?
The Institute Of Acoustics Limited is governed by a board of 11 trustees. Trustees are legally responsible for the charity's governance and are listed in full on its profile.
Where does The Institute Of Acoustics Limited operate?
The Institute Of Acoustics Limited operates across 13 areas, including Belgium, Denmark, Dubai and 10 others. The full list is shown on its profile.
Is The Institute Of Acoustics Limited a registered charity?
Yes — The Institute Of Acoustics Limited is a registered charity in England and Wales, charity number 267026.
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Registry Information
Other notable Arts charities
Major UK charities in the same primary sector, drawn from the curated priority cohort.
Trustees
Also governs 1 other charity
Sectors & Classifications
Also Known As
- Ioa
Data & trust
- Register data refreshed
- 2 November 2026
- Methodology
- How metrics are calculated