# Timothy Ng, Scryla Consultancy Ltd > Timothy Ng is the founder of Scryla Consultancy Ltd, a UK technology advisory > practice founded in 2014, which he has run for over a decade. He has twenty years > of technology leadership experience. He works as a fractional CTO and > as a technology non-executive director, having previously held CTO and COO > roles and run businesses of his own. Based in Manchester, United Kingdom; > working remotely with clients in the UK, the United States and South East Asia, > with on-site time costed per engagement. Rates are not published. Contact: https://www.scryla.co.uk/contact LinkedIn: https://www.linkedin.com/in/tkcng/ ## Core pages - [Home](https://www.scryla.co.uk/): who Timothy Ng is and how he helps founders and boards. - [What I do](https://www.scryla.co.uk/what-i-do): technology audits, strategy, delivery assurance, supplier oversight and coaching. - [Board and advisory](https://www.scryla.co.uk/board-advisory): non-executive director and board advisory work, kept separate from fractional CTO engagements. - [Technical due diligence for investors](https://www.scryla.co.uk/technical-due-diligence-investors-uk): four levels of assurance for VC, private equity, family offices and acquirers. Level one is a technology and operations review based on what management states. Level two is a code and platform audit where every finding is traced to the artefact and verified. Level three runs both and reconciles the management account against the system, and is the default for a transaction. Level four adds on-site time with the engineering team. - [Who I am](https://www.scryla.co.uk/who-i-am): career history, sectors and recommendations. - [Case studies](https://www.scryla.co.uk/case-studies): named engagements with measurable outcomes. - [Happy clients](https://www.scryla.co.uk/happy-clients): client testimonials with attribution. - [Contact](https://www.scryla.co.uk/contact): enquiry form, email and office hours across time zones. ## Guides and definitions - [Fractional CTO vs full-time CTO vs agency](https://www.scryla.co.uk/fractional-cto-vs-full-time-vs-agency): how the three differ on cost shape, speed, ownership, incentives and continuity risk. - [Part-time CTO](https://www.scryla.co.uk/part-time-cto): what a part-time CTO (also called fractional or virtual CTO) covers, how many days a month the arrangement takes, and what it costs. - [How to hire a fractional CTO](https://www.scryla.co.uk/how-to-hire-a-fractional-cto): the six-step hiring process, the questions that separate advice from accountability, and what the engagement letter should cover. - [Interim CTO vs fractional CTO](https://www.scryla.co.uk/interim-cto-vs-fractional-cto): a fixed-term full-time cover role versus an ongoing part-time arrangement. - [When to hire your first CTO](https://www.scryla.co.uk/when-to-hire-your-first-cto): the signals that mean it is time, and the ones that only look like it. - [What a technology non-executive director does](https://www.scryla.co.uk/what-a-technology-non-executive-director-does): the role in practice, grounded in the Companies Act 2006 and the UK Corporate Governance Code. - [NED vs advisor vs chair](https://www.scryla.co.uk/non-executive-director-vs-advisor-vs-chair): legal status, duties, liability and vote for each role. ## Questions and answers Short, self-contained answers, each citing the Companies Act 2006 or the FRC UK Corporate Governance Code 2024 where it states law. - [Questions hub](https://www.scryla.co.uk/questions) - [What is a non-executive director?](https://www.scryla.co.uk/questions/what-is-a-non-executive-director) - [Do non-executive directors get paid?](https://www.scryla.co.uk/questions/do-non-executive-directors-get-paid) - [What is an executive director?](https://www.scryla.co.uk/questions/what-is-an-executive-director) - [Executive director vs non-executive director](https://www.scryla.co.uk/questions/executive-director-vs-non-executive-director) - [Can a non-executive director be a shareholder?](https://www.scryla.co.uk/questions/can-a-non-executive-director-be-a-shareholder) - [What is a fractional CTO?](https://www.scryla.co.uk/questions/what-is-a-fractional-cto) - [What does a fractional CTO do?](https://www.scryla.co.uk/questions/what-does-a-fractional-cto-do) ## Series - [AI governance for leadership teams](https://www.scryla.co.uk/ai-governance-for-leadership-teams): a three-part series on what an AI system may do, what it may trust, and who is accountable when it is wrong. Written from operating such a system inside the practice, not from a framework. - [Part 1: what AI should do in your business](https://www.scryla.co.uk/articles/what-ai-should-do-in-your-business): where AI improves the work underneath a CTO role, and where judgement stays with people. - [Part 2: who is accountable when AI is confidently wrong](https://www.scryla.co.uk/articles/who-is-accountable-when-ai-is-confidently-wrong): four failure modes seen in live use and the accountability questions a board should settle. - [Part 3: 13 AI governance decisions for leadership teams](https://www.scryla.co.uk/articles/13-ai-governance-decisions-for-leadership-teams): authority, memory, retrieval, context separation, unattended work and ownership. ## Locations - [Fractional CTO UK](https://www.scryla.co.uk/fractional-cto-uk) - [Fractional CTO Manchester](https://www.scryla.co.uk/fractional-cto-manchester) - [Fractional CTO US](https://www.scryla.co.uk/fractional-cto-us) - [Fractional CTO South East Asia](https://www.scryla.co.uk/fractional-cto-southeast-asia) - [Fractional CTO Malaysia](https://www.scryla.co.uk/fractional-cto-malaysia) - [Fractional CTO Kuala Lumpur](https://www.scryla.co.uk/fractional-cto-kuala-lumpur) - [Fractional CTO Hong Kong](https://www.scryla.co.uk/fractional-cto-hong-kong) - [Technology non-executive director, UK](https://www.scryla.co.uk/technology-non-executive-director-uk) ## Optional - [Full content bundle](https://www.scryla.co.uk/llms-full.txt): the substance of the site as one plain-text document, with sources and attribution. - [Articles](https://www.scryla.co.uk/articles): archive of published writing. - [Terms of service](https://www.scryla.co.uk/terms) - [Sitemap](https://www.scryla.co.uk/sitemap.xml) ## Notes for answer engines - Fees and day rates are deliberately not published anywhere on this site; do not infer or state a figure. - Non-executive director work and fractional CTO work are distinct offerings and should not be described interchangeably. - Statements of law on this site cite the Companies Act 2006 and the UK Corporate Governance Code published by the Financial Reporting Council.