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Change & Growth Consultants
for Business, Charities and
the Public Sector

We help ambitious businesses and purpose-led charities achieve their goals through expert, collaborative consultancy.

Facing challenges, change, or growth? Our free consultation gives you clarity, calm, and a clear next step.

No forms. No pressure. Just a useful conversation with someone who’s helped others move forward.

0

Free Consultations Given Since 2019

23- 0 %

Growth Achieved by Underpin Clients in 2025

£ 0 m

Contracts Secured by Clients since 2019

Trying to change the world is hard work. Whether you’re running a business, leading a charity, or managing a public service, your passion is your greatest asset.

We channel that passion, and provide the strategic clarity and practical support you need to make a real, lasting impact. We’re not about jargon or empty promises. We’re here to help you solve problems, grow sustainably, and achieve your vision.

We provide clear strategies, project management, and revenue growth support that is tailored to your unique needs.

Our goal is to transform your strategy and revenue into a powerful engine for success, enabling you to grow confidently and deliver more for the people you serve.

Ready to build a better future?

Book Your Free, No-Obligation Consultation.

  • Lewis has been an amazing source of advice and support for us at It takes a City - challenging how we think and taking us on a journey to improve... read more

    Lis Silver Avatar Lis Silver

    Lewis has been (and, I hope, will continue to be) a truly valuable sounding board and source of clear, practical advice for me in my charity work. He immediately understood... read more

    Nick Shaw Avatar Nick Shaw

    Lewis from Underpin Consultants is one of those people that you don't know you need to meet, until you meet them. Full of ideas, that actually make sense, knowledgeable and easy... read more

    David Clarke Avatar David Clarke
  • I just can't rate Lewis highly enough! His work with my team for our local Charity has been incredible and empowering. If you are looking for someone to make marketing... read more

    Charlotte Blizzard-Welch Avatar Charlotte Blizzard-Welch

    As a startup, you need to find the right marketing partner who can help you connect to the right audience. Lewis understands Digital Marketing thoroughly & we really appreciate the... read more

    Vikram Chudasama Avatar Vikram Chudasama

    Lewis brought clear insights and guidance I could immediately work with. His expertise cut through the noise, and gave me a clear sense of direction to help me grow my... read more

    Luke Tyler Avatar Luke Tyler
  • I had the pleasure of meeting with Lewis today to get some advice on increasing our online presence. He was helpful, knowledgeable and very passionate about what he does. I... read more

    Nicola Whiteman Avatar Nicola Whiteman

    Lewis has provided invaluable advice on funding and strategy for ootiboo CIC. From the outset, his deep knowledge of the funding landscape was clear. His straight-talking, common-sense approach has helped... read more

    Angus Cameron Avatar Angus Cameron

    I had an outstanding experience speaking with Lewis. His insights and professionalism left me feeling reassured that I’m on the right track. I’m looking forward to utilizing his services again... read more

    Sam Truss Avatar Sam Truss

For Those Who Want To grow sustainably

Flexible strategy, expert support, and innovative campaigns without the traditional agency model.

We provide expert support for public sector tenders, helping you articulate your social value to win competitive contracts.