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Business and Charity Consultant that helps good people win.

You know something needs to change. We help you work out what, then help you do it, with you, not at you.

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★★★★★
4.9 on Google, from 72 five-star reviews
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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 is far too modest to ask for reviews himself, but what he does not know about marketing strategy simply has not yet been uncovered. In one seminar session he... read more

    Robin Road Limited Avatar Robin Road Limited

    One of the most productive consultancy meetings I have had. He provided me with ample information, enabling me to make well-informed decisions for the future. Throughout the meeting, he answered... read more

    Nathan Jacobs Avatar Nathan Jacobs

    Having recently made the move from permanent employment into consulting, Lewis generously took the time to help me bring structure to what was initially a very unformed thought process. He... read more

    Chloe K Avatar Chloe K
  • The advice we have received from Lewis about marketing for our startup has been inspirational. He clearly has plenty of experience and expertise in the field and is very... read more

    Rebecca Kirk Avatar Rebecca Kirk

    I had the pleasure of crossing paths with Lewis for some advice and guidance with my marketing queries. Lewis knows his stuff that's for sure. So experienced within his... read more

    Justin nightingale Avatar Justin nightingale

    As a committee member of our community shop (a CIC business), I reached out to Lewis for advice on some challenges we were facing, following a recommendation from a friend... read more

    Anne Pearson Avatar Anne Pearson
  • 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

    Working with Lewis is a real pleasure. Things get done fast in a friendly and professional way. I would recommend Lewis for the quality of work and care he shows... read more

    Binita Walia Avatar Binita Walia

    Working with Lewis from Underpin has been an absolute pleasure. From the very beginning, his expertise, professionalism, and dedication to delivering exceptional results for his clients stood out. His insights... read more

    Emma Sandham Avatar Emma Sandham

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.