Trustworthy Software Initiative

What Trustworthy Software Initiative does

The Trustworthy Software Foundation (also referred to as the Trustworthy Software Initiative, TSFdn) is a nonprofit organization incorporated and registered in England and Wales (Registered number 10098659), with its registered office at 15 Mercer Way, Nantwich. Its mission is to collect, organize, and share knowledge, experience, and capabilities about trustworthy software across the UK public sector, private sector, and academia, providing a joined-up curated view of information on reducing software vulnerabilities and ensuring reliability. The foundation does not develop commercial software products; instead it functions as a knowledge-sharing entity supported and funded through the UK Government's National Cyber Security Programme (NCSP).

The foundation's core offering is the TS Framework (Trustworthy Software Framework), which provides structured guidance on building and procuring trustworthy software by addressing the five facets of software trustworthiness. Complementing the framework is a Resource Library, a curated repository organized into three audience-specific tracks: Teach (educational resources for instructors and lecturers), Learn (materials for students), and Use (resources for practitioners and businesses procuring and operating software). The foundation also administers the ACTS program to coordinate knowledge sharing across UK constituencies. Distribution is conducted via a free-access website (tsfdn.org) supplemented by LinkedIn, Twitter, Facebook, and RSS channels.

The business model is that of a public-good nonprofit: all resources are provided at no cost, there is no disclosed pricing model, and revenue mechanics are not detailed in available source material. The organization relies on government funding through the NCSP rather than commercial product sales, grants, or donations that are itemized publicly. Headcount is reported at 11-50 employees, and the foundation operates exclusively within the United Kingdom with no documented international footprint or commercial expansion.

Name

Trustworthy Software Initiative

Legal name

Trustworthy Software Foundation

Website

https://uk-tsi.org

Company type

Private

Founded year

2016

Operating status

Operating

Headcount range

11–50 employees

Short description

The Trustworthy Software Foundation (TSFdn) is a UK nonprofit that curates and shares knowledge on trustworthy software through its TS Framework and Resource Library, serving instructors, students, and practitioners across UK public and private sectors and academia. It is funded via the UK Government's NCSP.

Ownership category

akta.pro rank

Headquarters

HQ city

Coventry

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. Foundation Operations (Model Undisclosed): The Trustworthy Software Foundation is an incorporated non-profit organization in England and Wales (Registered number: 10098659). The specific revenue model is not disclosed in the available source material. As a foundation, it likely operates through grants, donations, or public funding rather than commercial product revenue.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

The Trustworthy Software Foundation (TSFdn) is a non-profit knowledge organization that collects, organises, and shares information about trustworthy software across the UK public sector, private sector, and academia. Its primary offerings are the TS Framework, which provides structured guidance on building and procuring software with reduced vulnerabilities, and a curated Resource Library organized into Teach (instructors), Learn (students), and Use (practitioners and businesses) sections. The foundation also runs the ACTS program for cross-sector knowledge sharing on software trustworthiness.

Product overview

The Trustworthy Software Foundation operates as a knowledge-sharing organization that provides educational resources and frameworks for trustworthy software development. The core offering consists of the TS Framework, which provides guidance on building trustworthy software, complemented by a Resource Library with three distinct sections: Teach (educational resources for instructors), Learn (materials for students), and Use (resources for practitioners and businesses). The foundation also administers the ACTS program for knowledge sharing across UK public/private sectors and academia.

Differentiator

Problem solved

Functional benefit

Products and services

• TS Framework
• Resource Library A curated repository of documents, materials, and resources organized into three sections: Teach (for instructors and lecturers), Learn (for students), and Use (for practitioners and businesses), supporting the adoption of trustworthy software principles across different audiences. Free digital access via the foundation's website.
• ACTS Program A knowledge sharing program administered by the foundation that brings together the UK public sector, private sector, and academia to share knowledge, experience, and capabilities about trustworthy software.

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Scale indicators2 records

Recent moves5 records

Expansion highlights3 records

Broad incumbents

• BCS (British Computer Society): UK chartered professional body for IT practitioners offering certifications, training, and thought leadership. Comparable in serving UK software practitioners and businesses with structured guidance on professional and technical standards.
• SANS Institute: Nonprofit that researches and trains cybersecurity practitioners. Comparable as a knowledge-driven organization delivering structured curricula and best-practice resources for software security professionals.
• ISACA: Global nonprofit association for IT governance, risk, and cybersecurity professionals. Comparable in advancing practitioner knowledge and standards frameworks that organizations use to procure and audit reliable software and systems.
• IEEE Computer Society: Standards and professional body for computing disciplines. Comparable in producing software engineering standards and educational resources that underpin how trustworthy software is taught, specified, and evaluated.
• (ISC)²: Global nonprofit certifying cybersecurity professionals (e.g., CISSP). Comparable as a nonprofit that builds the body of knowledge and credentials for trustworthy software and security practice, though at much larger scale and global reach.

Emerging players

• Center for Internet Security (CIS): Nonprofit that publishes community-driven security benchmarks and controls. Comparable as a community-led producer of widely adopted software and system hardening guidance used by practitioners and businesses.

Direct peers

• OWASP Foundation: Nonprofit foundation producing open frameworks, guides, and tools for software security. Highly comparable as a community-driven, vendor-neutral organization that curates knowledge and standards for secure, trustworthy software development.

Regional players

• CREST: UK-based accreditation body for cybersecurity service providers. Comparable as a UK nonprofit that defines quality standards buyers and practitioners rely on, focused on a specific trust/assurance niche adjacent to software trustworthiness.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/uktsi
• Facebookfacebook.com/TrustworthySoftwareFoundation
• LinkedInlinkedin.com/company/trustworthy-software-initiative

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

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M&A

Investments

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Frequently asked questions about Trustworthy Software Initiative