---
title: "Mason Medical Research Trust — charity 207666 | CharityCompare"
description: "Mason Medical Research Trust (charity 207666): income £310k (2025). Check registration, accounts, Gift Aid and official sources on an independent UK profile."
source: https://www.charitycompare.org.uk/charity/mason-medical-research-trust
retrieved: 2026-10-07T13:28:16.820Z
date_note: "Retrieval time is not the filing, register-extract or editorial-review date; cite those dates from the content."
license: "Charity data © Crown copyright, Open Government Licence v3.0"
---

Registered charity · No. 207666

MM

# Mason Medical Research Trust

Independent profile · Charity Commission for England and Wales data

Mason Medical Research Trust is a registered charity in England & Wales. Its register classifications include the advancement of health or saving of lives.

Register extract 2026-10-04 · Not yet rated

[Check official registration](https://register-of-charities.charitycommission.gov.uk/charity-details/?regId=207666&subId=0)

Work at Mason Medical Research Trust? [Claim this profile free](https://www.charitycompare.org.uk/claim?charity=mason-medical-research-trust&type=claim&name=Mason%20Medical%20Research%20Trust) to add your own description, logo and links.

At a glance · official register

## What are the key facts about Mason Medical Research Trust?

Reported income · year ending 2025-04-05

£310,479

Reported spending · year ending 2025-04-05

£201,711

Registered charity number

207666

Status in source extract

Registered

Charity type

Other

Register contact address detail (not service area)

3rd Floor

Registered for Gift Aid (HMRC)

Not recorded

Quick answer

Mason Medical Research Trust (number 207666) is listed as registered in the Charity Commission snapshot used here. Check the live register for its current position. Registration does not authenticate a particular fundraising appeal or establish the impact of a donation.

## What does Mason Medical Research Trust do?

To promote medical research in such manner in all respects (including contributions to any institution or fund carrying on medical research) as the Trustees in their absolute discretion think fit.

Activities reported on the official register · extract 2026-10-04.

From the annual return

## Pay, income, Gift Aid and registration details for Mason Medical Research Trust

Answers Mason Medical Research Trust gave in its annual return to the Charity Commission for the year ending 5 April 2025, plus its register entry. A blank answer in the return is shown as not reported, never as “no”.

### Can I claim Gift Aid, and are the trustees paid?

The register does not record Mason Medical Research Trust as registered with HMRC for Gift Aid. Ask the charity before assuming a donation can be Gift Aided.

Mason Medical Research Trust's annual return for the year ending 5 April 2025 reports that no trustee received remuneration or other benefits from the charity.

### Registration details

Registered as a charity

22 September 1962

Previous names on the register

Dan Mason (Chiswick) Medical Research Trust

Where it says it operates

Throughout England and Wales · Scotland · Northern Ireland

## Who it supports and how it works

**Reported beneficiaries:** Other Defined Groups.

**Reported activities:** Makes Grants To Organisations.

Classifications supplied to the register; extract 2026-10-04. These broad categories do not establish eligibility or current capacity. Use the official contact details to ask about access, referrals and service area.

## Linked funds and trusts

The register records these funds under parent charity number 207666. They are not counted as separate charity registrations in this directory. Check each linked record for its purposes.

View 1 linked records

- [Bequest of Walter Mason (207666-1)](https://register-of-charities.charitycommission.gov.uk/charity-details/?regId=207666&subId=1)

## What causes is Mason Medical Research Trust registered for?

The Advancement Of Health Or Saving Of Lives

## Why is there no Clarity Score for Mason Medical Research Trust yet?

Our dataset does not yet contain the detailed filing history needed to score Mason Medical Research Trust.
An unrated profile is a gap in our assessment, not a negative judgement about the charity.
The register facts and available annual-return disclosures above remain useful. Payment never influences a rating.
[How scoring works](https://www.charitycompare.org.uk/methodology)

## What should you check before donating to Mason Medical Research Trust?

- Match the registered name and number to the appeal. A real charity number can be copied by someone impersonating the organisation.
- Open the current register entry to check status, contact details and available accounts. This profile reflects a dated extract.
- Read the charity’s annual report for its work and results. An unrated profile means we lack a full assessment; it is not a negative rating.

[How to read charity accounts](https://www.charitycompare.org.uk/guides/how-to-read-accounts) · [Explore rated charities](https://www.charitycompare.org.uk/charity-directory)

## Is this your charity?

Claim this profile free to submit your description and an optional logo for review, correct details, or respond publicly. Approved claims show attribution and claimed status. Optional paid plans add enhanced media, reporting and labelled featured visibility by tier; they never change a score.

[Claim this profile — free](https://www.charitycompare.org.uk/claim?charity=mason-medical-research-trust&type=claim&name=Mason%20Medical%20Research%20Trust)

## Frequently asked questions

Is Mason Medical Research Trust a legitimate charity?

The register data used for this profile lists Mason Medical Research Trust as a registered charity (number 207666) with the Charity Commission for England and Wales. Check the current register entry. A real charity number does not verify a fundraiser or appeal, and registration is not an impact rating.

What is Mason Medical Research Trust's charity number?

Mason Medical Research Trust's charity number is 207666. Check that number on the Charity Commission register or this CharityCompare profile before you donate.

How do I check charity number 207666?

Search 207666 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 Mason Medical Research Trust do?

To promote medical research in such manner in all respects (including contributions to any institution or fund carrying on medical research) as the Trustees in their absolute discretion think fit.

Does Mason Medical Research Trust have reviews and complaints?

CharityCompare does not host public user reviews for Mason Medical Research Trust. 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 Mason Medical Research Trust?

Mason Medical Research Trust does not list a website in its register entry. Its official Charity Commission entry lists its contact details — CharityCompare never processes donations.

Can I claim Gift Aid on a donation to Mason Medical Research Trust?

The register does not record Mason Medical Research Trust as registered with HMRC for Gift Aid. Ask the charity before assuming a donation can be Gift Aided.

Are Mason Medical Research Trust's trustees paid?

Mason Medical Research Trust's annual return for the year ending 5 April 2025 reports that no trustee received remuneration or other benefits from the charity.

What was Mason Medical Research Trust previously called?

The register lists this previous name for Mason Medical Research Trust: Dan Mason (Chiswick) Medical Research Trust.

When was Mason Medical Research Trust registered as a charity?

Mason Medical Research Trust was entered on the register on 22 September 1962.

Source: Charity Commission for England and Wales register extract dated 2026-10-04,
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/charity-details/?regId=207666&subId=0).