---
title: "Applied Probability Trust CIO — check charity number 1209867 | CharityCompare"
description: "Is Applied Probability Trust CIO a legitimate UK charity? Check charity number 1209867. Education/training charity based in Room K27, Hicks Building. Official Charity Commission record, key facts and how to claim the profile — on CharityCompare."
source: https://www.charitycompare.org.uk/charity/applied-probability-trust-cio
retrieved: 2026-08-18T23:21:48.413Z
license: "Charity data © Crown copyright, Open Government Licence v3.0"
---

Quick answer

Applied Probability Trust CIO is a registered charity (number 1209867) on the Charity Commission for England and Wales register, so it is a legitimate, regulator-overseen organisation. It is registered for: education/training. 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 Applied Probability Trust CIO?

Registered charity number

1209867

Status

Registered (active)

Charity type

CIO

Location

Room K27, Hicks Building

Website

[www.appliedprobability.org/home](https://www.appliedprobability.org/home)

## What does Applied Probability Trust CIO do?

The APT is a not for profit charity for study and research in the mathematical sciences; founded in 1964 with the support of the London Mathematical Society. The main focus is the management of its flagship journals (Journal of Applied Probability and Advances in Applied Probability). Additionally, the office maintains pages on the topics of Job Adverts, Events, and Community initiatives.

## What causes is Applied Probability Trust CIO registered for?

Education/training

## Why is there no Clarity Score for Applied Probability Trust CIO yet?

The Clarity Score is computed from full financial filing history. Applied Probability Trust CIO 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=applied-probability-trust-cio&type=claim)
[Visit charity website](https://www.appliedprobability.org/home)

## Frequently asked questions

Is Applied Probability Trust CIO a legitimate charity?

Yes. Applied Probability Trust CIO is a legitimate registered charity (charity number 1209867) 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 Applied Probability Trust CIO's charity number?

Applied Probability Trust CIO's charity number is 1209867. Check that number on the Charity Commission register or this CharityCompare profile before you donate.

How do I check charity number 1209867?

Search 1209867 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 Applied Probability Trust CIO do?

The APT is a not for profit charity for study and research in the mathematical sciences; founded in 1964 with the support of the London Mathematical Society. The main focus is the management of its flagship journals (Journal of Applied Probability and Advances in Applied Probability). Additionally, the office maintains pages on the topics of Job Adverts, Events, and Community initiatives.

Does Applied Probability Trust CIO have reviews and complaints?

CharityCompare does not host public user reviews for Applied Probability Trust CIO. 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 Applied Probability Trust CIO?

Applied Probability Trust CIO's website is https://www.appliedprobability.org/home — 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/1209867).