'Andy Leck, or as we like to call him, the Lecktrician, did something entirely original with our business. We already had a strong brand and a loyal customer base—but we couldn’t see a clear path to scale to 7 or even 8‑figure EBIT. Andy listened deeply, prodded, poked, and then went away. What he came back with didn’t just make scaling clear—he made us fall in love with our future again. He didn’t just understand us; he convinced us who we could become, and then built the blueprint to get us there. All while growing the parts of our business we love most. And he didn’t disappear after the big reveal. Andy stayed in the trenches, challenging and prodding with care, making sure we could execute on the vision together. Without Andy, we’d never have understood our true potential—let alone had the plan to achieve it.'
Ollie Scott, Founder & CEO, UNKNOWN
'Andy has so much Agency experience that it's very easy to talk to him about anything. He's got a unique ability to make complex models seem ridiculously simple, while he has helped bring our internal team up to speed with his thinking and has generally been a pleasure to work with. No fuss, high context, and knowledge. As we look to scale quickly, he's been amazing help and I would highly recommend him to other high-growth startups!'
Harry Horsfall, CEO, Flight3
'I worked with Andy for almost four years. High standards, high integrity, exceptionally deep knowledge across a range of sectors - not just of financial principles but of business. Andy understands the challenges that early-stage businesses face, has the foresight and experience gained in managing multi-billion dollar enterprise. This unique pairing makes him a tremendous asset to any ambitious, growing company. On a personal note, Andy was a phenomenal mentor to me, and certainly has played a key role in helping shape my career.'
Oliver Yonchev, Founder, cocreatd.com
'I first worked with Andy during my time as COO of Dentsu, where he played a key role in the operating model transformation programme I was leading. Andy combines a sharp strategic mind with the ability to deliver practical, measurable results in complex, high-stakes environments. Since then, I’ve seen him operate as CFO at Flight Story, a fast-growing startup, where he brought the same rigour, commercial insight, and calm under pressure that I witnessed in a multi-billion-dollar global business. Andy has an exceptional ability to translate financial data into clear, actionable decisions, and to align teams behind the right priorities. Whether in a large corporate or a high-growth entrepreneurial setting, Andy delivers impact quickly, builds trust at all levels, and leaves the business stronger than he found it.'
Neil Gissler - Former Group COO Dentsu
'Andy was instrumental in aligning our technology investments with commercial strategy. As Group Sourcing and Finance Director, he brought clarity and control to a £350m+ global spend portfolio, helping to secure significant investment in growth initiatives while navigating complex vendor negotiations. His ability to simplify complexity and deliver outcomes made him a trusted partner across the business'
Dominic Shine - Former Group CTO Dentsu
'Andy delivered financial transparency and with it, operational stability within a complex £100m post-merger global federated business landscape. He established clear definitions for services, costs, and service levels, enhanced stakeholder confidence, utilising innovative reciprocal structures to successfully implement a shared-services model across the diverse global footprint. He combines strong communication skills with practical commercial acumen, results-focused execution, which are invaluable combinations when undertaking the transformation of core IT services'
Matthew Graham-Hyde, Former CIO Kantar
