---
title: "ISAAC (UK) Ltd — check charity number 327500 | CharityCompare"
description: "Is ISAAC (UK) Ltd a legitimate UK charity? Check charity number 327500. Education/training charity based in University House. Official Charity Commission record, key facts and how to claim the profile — on CharityCompare."
source: https://www.charitycompare.org.uk/charity/isaac-uk-ltd
retrieved: 2026-08-23T15:38:45.179Z
license: "Charity data © Crown copyright, Open Government Licence v3.0"
---

Quick answer

ISAAC (UK) Ltd is a registered charity (number 327500) on the Charity Commission for England and Wales register, so it is a legitimate, regulator-overseen organisation. It is registered for: education/training; disability. Its latest reported income was £376,531 (year ending 2024-12-31). CharityCompare shows its official register record below; a Clarity Score is added automatically once detailed filing history is available.

## What are the key facts about ISAAC (UK) Ltd?

Registered charity number

327500

Status

Registered (active)

Charity type

Charitable company

Location

University House

Latest income (year ending 2024-12-31)

£376,531

Website

[www.communicationmatters.org.uk](http://www.communicationmatters.org.uk/)

## What does ISAAC (UK) Ltd do?

ISAAC UK (also known as Communication Matters) is the UK Chapter of the International Society for Augmentative and Alternative Communication (ISAAC) which focuses upon the needs of people with complex communication needs who may benefit from augmentative and alternative communication (AAC) systems to maximise their opportunities and enhance their life.

## What causes is ISAAC (UK) Ltd registered for?

Education/trainingDisability

## Why is there no Clarity Score for ISAAC (UK) Ltd yet?

The Clarity Score is computed from full financial filing history. ISAAC (UK) Ltd is on the official
register but outside the detailed-filing group we currently score (or awaiting its first filings), so
we show its official register record instead of a rating. Its score appears automatically once enough
filing data exists — never by payment.
[How scoring works](https://www.charitycompare.org.uk/methodology)

## Is this your charity?

Claim this profile free to add your own description, correct details, or respond publicly.
Optional [partner plans](https://www.charitycompare.org.uk/partners)
add your logo, photos, verified badge and supporter features — claiming itself is always free and never changes any score.

[Claim this profile — free](https://www.charitycompare.org.uk/claim?charity=isaac-uk-ltd&type=claim)
[Visit charity website](http://www.communicationmatters.org.uk/)

## Frequently asked questions

Is ISAAC (UK) Ltd a legitimate charity?

Yes. ISAAC (UK) Ltd is a legitimate registered charity (charity number 327500) regulated by the Charity Commission for England and Wales. You can verify it on the official register. Registration proves status — it is not a Clarity Score or an impact rating.

What is ISAAC (UK) Ltd's charity number?

ISAAC (UK) Ltd's charity number is 327500. Check that number on the Charity Commission register or this CharityCompare profile before you donate.

How do I check charity number 327500?

Search 327500 on the Charity Commission for England and Wales register or on CharityCompare. Confirm the registered name matches the organisation asking for money — scammers sometimes reuse real charity numbers.

What does ISAAC (UK) Ltd do?

ISAAC UK (also known as Communication Matters) is the UK Chapter of the International Society for Augmentative and Alternative Communication (ISAAC) which focuses upon the needs of people with complex communication needs who may benefit from augmentative and alternative communication (AAC) systems to maximise their opportunities and enhance their life.

Does ISAAC (UK) Ltd have reviews and complaints?

CharityCompare does not host public user reviews for ISAAC (UK) Ltd. This basic profile confirms registration and register facts. Rated charities also show a filing-based Clarity Score. For formal complaints, contact the Charity Commission for England and Wales or the Fundraising Regulator as appropriate.

How can I donate to ISAAC (UK) Ltd?

ISAAC (UK) Ltd's website is http://www.communicationmatters.org.uk — donate there directly so the charity receives the full amount. CharityCompare never takes a commission on donations.

Source: Charity Commission for England and Wales register extract dated 2026-07-31,
used under the
[Open Government Licence v3.0](https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Always verify current details on the
[official register entry](https://register-of-charities.charitycommission.gov.uk/en/charity-search/-/charity-details/327500).