# Piriform

> software company headquartered in London, England

**Wikidata**: [Q670413](https://www.wikidata.org/wiki/Q670413)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Piriform_Software)  
**Source**: https://4ort.xyz/entity/piriform

## Summary
Piriform is a software company headquartered in London, England, founded on 15 September 2005. It develops software products including CCleaner Browser and CCleaner Cloud and is a subsidiary of Czech security firm Avast Software.

## Key Facts
- Founded (inception): 2005-09-15.
- Headquarters and location of formation: London, United Kingdom.
- Industry: software industry.
- Parent organization: Avast Software (a Czech security software company headquartered in Prague).
- Notable products: CCleaner Browser and CCleaner Cloud (listed among products produced).
- Website: https://www.ccleaner.com (English).
- Twitter handle: @piriform (registered handle value "piriform"; recorded entry with qualifiers including a start time of 2019-07-18 and point in time 2020-12-24).
- Alexa rank: 1,019 (point in time: 2017-12-01).
- Legal form: recorded as both a public limited company and as a privately held company in source references.
- Instance/classification: software company; freebase ID /m/03cwxhv.

## FAQs
### Q: What is Piriform?
A: Piriform is a London-headquartered software company founded on 15 September 2005 that produces software products including CCleaner Browser and CCleaner Cloud.

### Q: Who owns Piriform?
A: Piriform is owned by Avast Software, a Czech security software company headquartered in Prague.

### Q: Where is Piriform headquartered?
A: Piriform is headquartered in London, United Kingdom, and was formed in London.

### Q: What products does Piriform make?
A: Source material lists CCleaner Browser and CCleaner Cloud among Piriform’s products; other product identifiers are recorded in its product list.

### Q: How prominent is Piriform’s web presence?
A: Piriform’s site had an Alexa rank of 1,019 as of 2017-12-01, and the company’s primary website is https://www.ccleaner.com (English).

## Why It Matters
Piriform occupies a defined role within the software industry as a London-based developer of consumer and cloud-focused software products. Founded in 2005, it has produced named products such as CCleaner Browser and CCleaner Cloud and maintains a branded web presence (ccleaner.com) and social presence (Twitter: @piriform). The company is notable for its ownership by Avast Software, a larger Czech security software firm, which places Piriform within a broader security-and-utility software ecosystem. Online metrics recorded in source material — an Alexa rank of 1,019 at the end of 2017 — indicate a measurable level of site traffic and visibility for its product site. These facts make Piriform relevant to those researching software utilities, browser and cloud products tied to the CCleaner brand, corporate ownership in the software sector, and the presence of UK-based software companies in international corporate structures.

## Notable For
- Being founded on 15 September 2005 and formed in London, establishing a UK base for its software operations.
- Producing products explicitly listed in source material: CCleaner Browser and CCleaner Cloud.
- Having been integrated into Avast Software as its parent organization.
- Maintaining a high-visibility website (ccleaner.com) with an Alexa rank of 1,019 recorded on 2017-12-01.
- Availability of a branded Twitter account under the handle "piriform" (recorded with qualifiers in 2019–2020).

## Body

### Overview
- Instance: software company.
- Industry: software industry.
- Headquarters: London, United Kingdom.
- Location of formation: London.

### Formation and Dates
- Inception date: 15 September 2005.
- Location of formation corroborated as London.

### Ownership and Corporate Relationships
- Parent organization: Avast Software.
- Avast Software summary (from provided material): Czech security software company, inception 1988, headquartered in Prague.

### Products and Output
- Explicitly listed products: CCleaner Browser; CCleaner Cloud.
- Additional product identifiers are recorded in source material as Q497014, Q880102, Q1182754, Q591147 (these correspond to entries in the product_or_material_produced field).

### Online Presence and Identifiers
- Official website: https://www.ccleaner.com (English).
- Twitter: handle "piriform" (qualifiers include P6552 id and dates in source material).
- Alexa rank: 1,019 (point in time: 2017-12-01).
- Freebase ID: /m/03cwxhv.

### Legal Form and Classification
- Legal form entries in source material: public limited company; privately held company (both forms are recorded in the structured properties with different references).
- Classified as a software company (instance_of).

### Metadata and Links
- Wikipedia title: Piriform Software.
- Commons category: Piriform.
- Sitelink count: 20.
- Wikipedia languages listed in source: ar, ca, de, en, es, fr, he, hy, it, ja.
- Topic templates and categories indicated in source metadata (e.g., Template:Piriform Software; Category:Piriform).

(End of entry.)

## References

1. Freebase Data Dumps. 2013
2. [Alexa Internet](https://www.alexa.com/siteinfo/piriform.com)
3. [Source](http://km.aifb.kit.edu/services/crunchbase/)