PSI
Techstars '21London, GB · Founded 2003 · 73 employees on LinkedIn · 1 known investors
PSI provides a multichannel sales platform designed for companies selling in local markets through door-to-door and other field sales channels, offering offline capability and compliance-compliant sales experiences. The platform serves field sales teams across 36 countries and processes billions in annual transactions.
Founders & leadership
PSI was founded in 2003 by David Costello.
DC
David CostelloCEO & Founder
Investors · 1
Companies House · registry record
View on Companies House ↗- Registered name
- PSI LIMITED
- Company number
- 07007498
- Status
- Dissolved
- Company type
- Private limited company
- Incorporated
- 2 Sept 2009
- Dissolved
- 15 Nov 2011
- Registered office
- 3rd Floor Lawford House, Albert Place, London, N3 1QA
Current officers
- Stuart Jules Paskin — director, appointed 2 Sept 2009
- Richard Stewart Stalker — director, appointed 2 Sept 2009
Source: Companies House public register · retrieved 24 Jul 2026. Contains public sector information licensed under the Open Government Licence v3.0.
In the news
Frequently asked questions
- What does PSI do?
- PSI provides a multichannel sales platform designed for companies selling in local markets through door-to-door and other field sales channels, offering offline capability and compliance-compliant sales experiences. The platform serves field sales teams across 36 countries and processes billions in annual transactions.
- Who founded PSI?
- PSI was founded by David Costello in 2003.
- Who are PSI's investors?
- PSI's investors include Techstars.
- Where is PSI headquartered?
- PSI is headquartered in London, GB.

