Top 20 Business Consultants in London Helping Companies Scale

London has become a powerhouse for fast-growing businesses, and behind many of these success stories stand the consultants who guide companies through the challenges of scaling. From strategy and operations to revenue architecture and transformation, these specialists help founders and leadership teams move from early traction to sustainable long-term growth. This list highlights 20 influential business consultants in London whose expertise, frameworks, and real-world experience are helping companies scale smarter, faster, and more confidently in an increasingly competitive landscape.

1. Judith Clegg

Founder & CEO of Takeout, Judith is a strategy consultant and entrepreneur who supports high-growth companies with innovation, scaling, and sustainable business models. 

2. Simon Penson 

Simon is the Managing Partner of Scaled, a growth consultancy in London focused on B2B scale-ups. He brings real founder experience, having built and exited businesses, and helps others grow through hands-on scaling advice. 

3. Tony Hague 

Tony leads Scaling Up UK, helping business leaders implement the Scaling Up performance methodology to scale their teams, strategy, cash flow, and execution capacity. 

4. Erkan Yalcinkaya 

A senior consultant at London Strategy, Erkan helps companies with M&A, IT transformation, and strategy execution to drive sustainable growth. 

5. Simon Peirce

As a partner at Scaled, Simon brings experience in scaling B2B SaaS and service businesses, guiding leadership teams to align strategy and execution for high-growth scaling.

6. Jean Veronica Tomlin Russell 

As a Director at Hakluyt & Company, Jean leads strategic advisory work for executives and boards, particularly in risk, geopolitics, and long-term growth planning.

7. Alison El Moghraby

Alison is Head of Marketing at The Consultancy Growth Network, mentoring boutique consulting firms in scaling, building communities, and long-term sustainability.

8. Marc Jantzen 

Marc is a Co-Founder of The Consultancy Growth Network, helping consultancies scale by sharing expertise, growth frameworks, and peer learning within a curated community. 

9. Electra Japonas 

Electra is Founder & CEO of TLB (The Law Boutique), a legal consultancy that also advises businesses on legal strategy, operations, and transformation as they scale. 

10 . Roisin Noonan 

Roisin, COO at TLB, drives the firm’s growth strategy, legal operations consulting, and tech-driven legal design , helping clients scale their internal legal functions.

11. Simon Taylor

A Partner at OC&C, Simon advises large corporations and scale-ups on commercial strategy, competitive positioning, and sustainable growth. 

12. Nigel Stevenson 

Nigel works with Scaling Up UK to help leadership teams build culture, execution discipline, and leadership frameworks that scale revenue and operations effectively. 

13. Paul Morton

Paul is a revenue leadership expert working at ScaleWise, helping tech companies build their Go-to-Market teams, scale sales operations, and hire fractional talent.

14. Sherry Coutu CBE

Sherry Coutu is a leading entrepreneur, angel investor, and scale-up advisor known for her influential Scale-Up Reportand her work supporting high-growth UK businesses. She advises founders on scaling strategy, talent, and long-term growth infrastructure.

15. Eric Collins

Eric Collins is a respected business leader and consultant who advises companies on scaling, investment readiness, and inclusive growth. Through Impact X, he supports underrepresented founders building scalable, future-focused businesses.

16. Verne Harnish

Though based internationally, his Scaling Up framework underpins many UK and London-based consulting practices. His thought leadership continues to influence how companies scale globally.

17. Irene Graham OBE (ScaleUp Institute)

As CEO of the ScaleUp Institute, Irene Graham plays a pivotal role in helping UK businesses overcome scaling barriers. Her work focuses on leadership development, productivity, innovation, and unlocking growth opportunities across sectors.

18. Manny Maceda 

While global, Manny Maceda’s leadership at Bain & Company drives growth-focused consulting , and the London office under him works with clients scaling in technology, PE, and services.

19. Jean Tomlin-Russell 

As strategic advisor at Hakluyt, she helps boards and executives navigate geopolitical risk, M&A, and long-term growth planning.

20.Daniel Hulme

Daniel Hulme is an AI and innovation consultant helping organisations scale through automation, operational efficiency, and digital transformation.

These 20 consultants represent the depth of talent driving London’s scaling ecosystem forward. Their work spans growth strategy, leadership alignment, operational efficiency, revenue development, and digital transformation , all essential components for businesses aiming to expand successfully. With proven experience and a track record of elevating companies across industries, they continue to play a vital role in shaping London’s most ambitious startups and scale-ups. For any business looking to grow with clarity and direction, these consultants provide the insight and partnership needed to scale with impact.