Darren Marsh Head Shot

Darren Marsh

Group Commercial Officer

Darren brings extensive experience across technology, telecommunications, and data-led services, working with both global enterprises and high-growth businesses. As Co-Founder of DeepFathom, he brings a hands-on, commercial approach to scaling technology-led solutions. This experience allows him to bridge enterprise scale with high-growth agility, applying technology innovation and digital transformation to improve client delivery and drive business performance.

He has led senior commercial and sales functions across Cable & Wireless, Alcatel-Lucent, O2, BT Local Business, and OneAdvanced driving growth, improving efficiency, and delivering stronger customer outcomes.

Darren founded and scaled a software business from concept through to commercial launch, securing innovation grants and private equity investment before achieving a successful trade exit. This experience underpins his practical approach to building, commercialising, and scaling technology-led solutions.

He is particularly focused on harnessing the combination of talent and technology to deliver better outcomes, helping organisations unlock greater efficiency, engagement, and value.

Outside of work, Darren maintains a strong competitive edge through sport. He has represented the armed services in rugby, captained his local team, and holds a 2nd Dan black belt in Tae Kwon Do. He now focuses on HIIT and Hyrox-style training. When not putting himself through HIIT and Hyrox-style training, he enjoys spending time with his family.

Meet the DeepFathom team.

Ian Mitchell

Ian Mitchell

Group CEO

Juliette West Surrey Accounting 31bw (web sized)

Juliette Rivett

Chief Financial Officer

Mark Crawley

Mark Crawley

Head of Financial Services

Tom Masters Image

Tom Masters

head of augmented audit architecture and operating systems

Clive Mitchell Head Shot Bw

Clive Mitchell

Head of ERP Strategy & Architecture

Jaeda McNab

Jaeda McNab

Digital Assurance Operations and Cyber Security Executive

Tom Crossley

Tom Crossley

Audit Product Development & Customer Success Executive

Pascale Chilvers

Pascale Chilvers

Data Analytics, UAT and Training

Harry Hannan

Harry Hannan

ERP Product Development & Operations Executive

Eva Mitchell

Eva Mitchell

Data Analytics and Digital Assurance Operations Executive

Ian Rosam Head Shot Bw

Ian Rosam

Founder and Thought Leadership, Augmented Audit and Quality Management

David Bonbright Headshot

David Bonbright

Head of ESG Assurance Innovation

Tim Mulcahy CISO

Tim Mulcahy

Chief Information and Security Officer (CISO)

Lina Constantinovinci

Lina Constantinovinci

Board Advisor

Wayne terry head shot b&w 1

Wayne Terry

Board Advisor

Ade Palmer Geeves

Ade Palmer-Geaves

Board Advisor