Est. London, United Kingdom

Trusted Advisors for
Ambitious Businesses

Gillespie + Partners delivers strategic advisory, management consulting, and business transformation services to enterprises across the United Kingdom and beyond.

Growth Strategy
Risk Advisory
Market Analysis

Comprehensive Advisory Services

01

Strategy & Planning

Market entry, competitive positioning, and long-term growth roadmaps tailored to your industry and ambition.

02

Financial Advisory

M&A due diligence, restructuring, capital raising, and financial modelling for confident decision-making.

03

Operational Excellence

Process optimisation, supply chain transformation, and performance improvement programmes.

04

Digital Transformation

Technology strategy, data analytics adoption, and digital operating model design for the modern enterprise.

05

Risk & Compliance

Regulatory navigation, governance frameworks, and enterprise risk management aligned with UK and EU standards.

06

People & Change

Leadership development, organisational design, and change management that sticks.

Partnership-Led, Results-Driven

We embed ourselves within our clients' organisations, working alongside senior leadership to deliver lasting impact — not just reports that gather dust.

25+ Years of Experience
180+ Projects Delivered
£2.4B Client Value Created
I

Diagnose

Deep-dive analysis to understand the true challenge, not just the symptoms.

II

Design

Co-create actionable strategies with measurable outcomes and clear accountability.

III

Deliver

Hands-on implementation support until the results speak for themselves.

IV

Sustain

Embed capabilities within your team so progress continues long after we leave.

Senior Partners

James Gillespie

Managing Partner

25 years in strategy consulting. Former McKinsey Principal. FTSE 100 board advisor.

Eleanor Whitfield

Partner, Financial Advisory

M&A specialist with £1.8B+ in completed transactions across UK and European markets.

Richard Pemberton

Partner, Digital & Technology

Former CTO at a FTSE 250. Expert in enterprise digital transformation and AI strategy.

"Gillespie + Partners brought a level of rigour and commercial pragmatism that transformed how we approached our international expansion. Genuinely exceptional advisors."
— CEO, Leading UK Retail Group

Let's Start a
Conversation

Whether you're facing a strategic crossroads or seeking a trusted advisory partner, we'd welcome the opportunity to discuss how we can help.

London, United Kingdom
+44 (0)20 XXXX XXXX