Our Team.
Where expertise and judgement connect. Built for protection not display.
The architecture behind Fenton International.
A private office is usually invisible to the outside world. The blueprint makes visible the structure that sits behind Fenton International. A coordinated model built to elevate judgement — with strong foundations, specialist capability through the structure, senior perspective and clear leadership at the top.
Fenton is architectural rather than departmental. Each part has a specific function, but the value comes from how the structure works together. Like a watchtower it is built for protection in a complex landscape — identifying both risks and opportunities.
Senior Advisers →
| judgement & client leadership
Mark Abbs
Founder and CEO Fenton International
Mark Abbs is the founder of Fenton International and leads the firm's cross-border tax, global mobility and international people advisory practice. He has over 32 years' experience advising executives, employers and boards on complex international arrangements.
Richard Knight
Head of Reward, Benefits & Governance Fenton Private Office
Richard Knight works with Fenton Private Office as a senior adviser on reward, benefits and governance, bringing over 30 years' experience, across total rewards, executive compensation, deferred compensation, benefits, performance management and international mobility.
Gareth Jarman
Head of International HR Consulting & Change Fenton Private Office
Gareth Jarman works with Fenton Private Office as a senior adviser on international HR strategy, organisational change, people operating models and cross-border workforce governance, bringing more than 25 years’ experience across complex international businesses.
Portfolio Brands →
| Fenton Private Office | Tallentire Hall & Estate | Echeva
Key Alliances →
| featured strategic partners
International Network →
| key markets
Fenton works through established relationships with senior practitioners across key international markets. Wherever the question arises, we have the right team to answer it.
Key Specialists →
| expert knowledge
Fenton works with selected specialists in areas including legal issues, employment laws, domestic compliance, payroll, relocation, company secretarial, recruitment and overseas tax advisory. Each specialist is chosen for quality, reliability and the ability to work within the Fenton model.
Digital & AI →
| infrastructure for everything
Fenton International's advisory services are built around the client, and that includes how technology is used. We apply AI to synthesise complex positions faster, deliver more joined-up analysis, and reduce the administrative burden that slows down traditional advisory support. Advice is available in multiple languages. Where clients have already done their own research — including with AI tools — we work with that, not against it. The starting point is always what serves the client, not what fits the firm's process.
Frequently Asked Questions
Who are Fenton International's advisory team?
Fenton International is led by Mark Abbs (Founder and CEO) and Richard Knight (Head of Reward, Benefits & Governance). The firm operates through a focused group of experienced practitioners, portfolio brands, strategic alliances and an international network of senior specialists.
What is the Fenton Private Office model?
Fenton Private Office is a private-office model for bespoke international advice. It brings together senior practitioners across three advisory offices — the Private Executive Office, the Employer Advisory Office and the Private Board Office — supported by AI-assisted workflows and an international network.
How does Fenton International deliver services internationally?
Fenton works through established relationships with senior practitioners across key international markets. The model is coordinated from London with delivery through trusted partners in each relevant jurisdiction.
What is Fenton International's approach to AI in advisory?
Fenton uses AI to support research, analysis, drafting and knowledge management. The technology layer accelerates delivery but does not replace senior judgement. Where clients have done their own AI research, Fenton works with that as a starting point.