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The Consultancy Growth Network
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Our Growth Experts

Our panel of eight Growth Experts are all former consulting business owners, who have sold their firms for between £10m and £30m. Their experience crosses sectors and specialisms, and they now all coach, mentor and advise owners within and outside the Network.

Their contributions are varied, including hosting events, contributing ideas on Slack and sharing their insights with new members through their Strategic Reviews.

The roles of our Growth Experts

Marc Jantzen

Marc Jantzen Connect on LinkedIn

Strengths
Strategy, Sales, Marketing, Conflict Management

Areas covered
Guildford, South East, London

Achievements
Built and sold a multi-award winning sales, service and cultural transformation consultancy to Capita for £10m. Now advising consultancy owners via TheNub as well as founding The Consultancy Growth Network.

Dom Moorehouse

Dom Moorhouse Connect on LinkedIn

Strengths
Strategy, Sales, PS-related capability build, High-performing team development, P3M, Knowledge/IP/methodology management, senior team mentoring

Areas covered
Guildford, South East, London

Achievements
Built a business transformation consultancy to £20m in 5 years. Author of 5 guides on entrepreneurship in the context of professional services. Now involved in businesses such as Method Grid and acting as a mentor, NED and angel investor.

Marcia Marini

Marcia Marini Connect on LinkedIn

Strengths
Business Growth, Strategy, Exit Planning, M&A, Board Governance, Setting-up a Board, Shareholders Alignment, Family Business, Leadership, Executive Coaching and Mentoring

Areas covered
Central London

Achievements
Led the growth and sale of several consultancies, including one that grew to £20m in 7 years. She has driven expansion of businesses internationally to over 20 countries. Marcia has been involved in the completion of 15 M&A transactions. She holds several NED and Board Advisory roles.

Sarah Matthew

Sarah Matthew Connect on LinkedIn

Strengths
Growth and Commercial Strategy, Marketing and Comms, People and Performance

Areas covered
South East, London, Dorset

Achievements
Multi-award-winning entrepreneur and mentor who has scaled and sold two consulting firms. Now a NED, angel investor, accredited transformational coach and leader at The Vibrant Company, providing consulting, coaching and mentorship.

Chris Parry

Chris Parry Connect on LinkedIn

Strengths
Strategy, sales, stages of business growth, team/board/relationship dynamics and mentoring

Areas covered
Kent, South East, London

Achievements
Built a £10m turnover award winning leadership development consultancy employing more than 100 people, steered it through a series of mergers and acquisitions until its final acquisition by IBM. Now an investor, NED, mentor and coach.

Richard Squire

Richard Squire Connect on LinkedIn

Strengths
Strategy; marketing; helping align all aspects of a firm to enable growth and build value; preparing firms for investment or acquisition

Areas covered
London, South East

Achievements
Built and sold 2 market-leading specialist consulting firms, both providing global support in shaping and delivering complex transformation and technology programmes for major organisations in the financial services sector. Now a board advisor to professional services and technology firms and Fintech Founder and CEO.

Augusto Negrillo

Augusto Negrillo Connect on LinkedIn

Strengths
M&A, Investment, Equity Growth, Technology, Data, Digital Transformation and Change

Areas covered
London, South West, all of UK

Achievements
Run and sold business in Sydney Australia (over $35m). Built a sold a business in Perth, Australia (over $10m). Built and sold a business in UK (over £20m). Started Vivero as Advisory and M&A execution partner to consulting SME businesses.

Alex Klein

Alex Klein Connect on LinkedIn

Strengths
Proposition development, differentiation, value / risk based pricing, sales & marketing, growth, going international

Areas covered
Ascot, London

Achievements
Built Efficio to over £100m in revenue, 750 full time employees over 22 years; highly international business with 12 global offices.

Sue Lohr Growth | The Consultancy Growth Network

Susan Lohr Connect on LinkedIn

Strengths
Seeing what needs to get done, putting structure on a cloud, brainstorming past road blocks. A positive supporter of leaders and the challenges they face. Helping businesses that are contemplating a sale

Areas covered
Winchester, London, Reading, Southampton

Achievements
Built and sold two consultancies in the pharma space – both £10M+ with sector leading profit margins. One was a Medical Communications consultancy and the other a Capability Development consultancy. Both were sold to large communications networks involving sale of UK and US office together as separate entities. Cofounded a US -based SaaS pharma data business.

Raja Growth Expert Square | The Consultancy Growth Network

Raja Pagadala Connect on LinkedIn

Strengths
Developing and growing SMEs to value-based sale/succession; strategy; owner/management team mentoring; IT strategy and cybersecurity risk analysis; client development and retention.

Areas covered
London, surrounding areas

Achievements
Established an IT consultancy in 1987. Developed and grew it until it was no longer reliant on me; successful sale in September 2023 with no earnout period. Clients retained from year 1 to post-sale. Established international IT owners’ peer group in the UK, facilitator for 10 years. Served on various international advisory boards for 10+ years.

Being a Growth Expert