Who we are

We’re a technology and transformation consulting partner, helping organisations accelerate change with confidence. 

As part of the internationally acclaimed The IN Group, Definia focuses on fast-paced change for resilient future success across all sectors.

Three smiling women in an office sitting at a table having a meeting with wide windows in the background and a laptop on the table

What we do

Our expert teams bring transformations to life, via two specialist practices: Digital Solutions and Change and Transformation. From maximising investment in the right digital technology to creating dynamic operating models, adopting new ways of working, or culture shifts.

How we do this

Definia works on each project in three simple steps, keeping our clients at the centre of what we do.  

  • Define the challenge and create the right team to support you 
  • Design the best strategies and solutions for your unique business 
  • Deliver sustainable transformation and growth 

What sets us apart?

We take a uniquely hybrid approach, by delivering the best of both worlds – combining our experienced consulting specialist teams with agile, forward-looking digital technologies.

Definia knows change is only worthwhile if it makes a positive difference. It must maximise people, processes, data and technology value. Innovation should only be measured against exactly what it delivers. For us, people, individuality, agility, and the confidence to keep moving forward are where tomorrow’s opportunities await.

Two women sitting on a bench laughing and smiling and having a discussion with green plants in the background

Meet our Leadership Team

At Definia, people are the centre square of everything we do. Meet the hand-picked team who guide business transformations – whatever the challenge – to keep your business moving forward.

Will JonesWill Jones
Director | Definia
  • Joined Definia: October 2021
  • Key specialities: Workforce solutions & strategies
  • Mastermind specialist subject: Die Hard
Rachael HaysRachael Hays
Transformation and change director | Definia
  • Joined Definia: January 2023
  • Key specialities: Project & change management
  • Mastermind specialist subject: The Beatles
Gordon McMullanGordon McMullan
Managing partner & CTO | Definia
  • Joined Definia: October 2020
  • Key speciality: Digital solutions & analytics
  • Mastermind specialist subject: Marvel & DC characters
Lucy TurnerLucy Turner
Head of service delivery | Definia
  • Joined Definia: July 2022
  • Key specialities: Operations & complaint resolution
  • Mastermind specialist subject: Guessing films from short clips

Our values

Keeping businesses moving forward, step after step, is what Definia is all about. By seeking answers such as: How can we get you closer to your goal? How can we gain maximum value from the resources you already have? Where, why, and how is change necessary? What value will this deliver? Together, we Define, Design, and Deliver precisely to your needs, with our four core values driving us forward in everything we do.

Be kind

People’s happiness is important. Now, tomorrow, and always.

Deliver as one

Exceptional delivery requires exceptional collaboration.

Keep it kaizen

Japanese for continuous improvement – drives our momentum.

Achieve synergy

Organised teams ensure elite performance.

Our approach

At Definia, our experts create strategies and solutions to help clients increase their digital fluency and embed accelerated change. We achieve that through our three principles: 


We accelerate delivery.


Empower and adopt – doing the basics well.


We embed a culture of continuous improvement.

Our Timeline


January 2023
Rachael Hays joined as Transformation and Change Director
Definia associates network reached +200

October 2023
The new Definia brand was launched better showcasing who Definia are and how we can help

November 2023
Definia ranked on Best Companies
#18 Best Company to work for in the UK !!!!!!
#8 Best Company to work for in the Recruitment sector!
#15 Best Company to work for in London


March 2021
Matt Smith joined as Managing Director – Technology, Transformation and CIO Practice

September 2021
Will Jones joined as Director of Definia


March 2020
Moving to London head office

October 2020
Gordon McMullan joined as Managing Partner and CTO


Investigo Consulting was born to run alongside the Investigo brand to respond to the need for a consultancy arm.

Definia evolved from Investigo Consulting to deliver change and digital transformation projects.


Guilford office opens, and business change & transformation division launches

Investigo was born

Meet our partners

We proudly partner with many leading public and private sector organisations – whose proven success and quality-assured services ensure we deliver outstanding transformations, year after year. Get in touch to discover more

Investigo logo
Data Clarity logo

Awards and Accreditations

We proudly partner with many leading public and private sector organisations – whose proven success and quality-assured services ensure we deliver outstanding transformations, year after year. Get in touch to discover more

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