Oak Group

Oak Group is a privately owned, global provider of fund administration, corporate, and private client services, with offices across key international jurisdictions including Guernsey, Jersey, the Isle of Man, Mauritius, and The Bahamas.

Client Oak Group
Location Hirzel St, Guernsey
Square Footage 1000
Completion March 2026

Project Overview

Oak Group is a privately owned, global provider of fund administration, corporate, and private client services, with offices across key international jurisdictions including Guernsey, Jersey, the Isle of Man, Mauritius, and The Bahamas.

With over $27.5bn in assets under administration and more than 250 professionals worldwide, Oak delivers tailored financial solutions built on long-standing client relationships, technical expertise, and a commitment to exceptional service.

Its Guernsey office plays a vital role within the organisation’s international network, supporting funds, corporates, and private clients with specialist knowledge and a highly personalised approach.


The Challenge

Mark was appointed to deliver a full office fit-out for Oak Group’s Jersey workspace, with the goal of creating a modern, high-quality environment aligned with the company’s evolving brand and service offering.

The project aimed to reflect Oak’s positioning as a premium, relationship-driven business, while supporting a more agile and collaborative way of working across teams.

Key requirements included:

  • A refined, contemporary aesthetic aligned with Oak’s brand identity

  • Flexible workspaces to support collaboration and hybrid working

  • A strong focus on client experience, reflecting Oak’s reputation for personalised service

  • Efficient use of space to accommodate growth and evolving operational needs

As a business operating in a highly professional and regulated sector, the design also needed to balance discretion, functionality, and comfort.

The Solution

Mark delivered a tailored office environment designed to support Oak Group’s people, clients, and long-term ambitions.

Client-Centric Design

Carefully considered meeting spaces and client areas that enhance the overall experience, reinforcing professionalism, discretion, and trust.

Enhanced Collaboration

A flexible layout incorporating open collaboration zones alongside private offices and quiet spaces, supporting a variety of working styles.

Optimised Space Planning

An efficient and intelligent use of space to maximise functionality while allowing for future growth.

Future-Ready Workplace

A modern, adaptable office environment designed to evolve alongside Oak’s business and support continued success.

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The Outcome

The completed workspace delivers a refined, contemporary office that reflects Oak Group’s global presence and commitment to excellence.

The design successfully transitions the office from a traditional layout to a more dynamic, hybrid-friendly environment, enabling improved collaboration while maintaining the privacy and professionalism essential to the business.

Particular emphasis was placed on the client journey, ensuring every touchpoint—from arrival through to meeting and workspaces—supports Oak’s reputation for delivering tailored, high-quality service.

Internally, the workplace enhances employee experience through improved flow, comfort, and functionality, helping to attract and retain talent while supporting productivity and wellbeing.

A Workplace Designed for Excellence

A high-quality, future-focused office environment that supports collaboration, enhances client experience, and reflects Oak Group’s position as a trusted global provider of financial services.