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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 delivered an outstanding session for our learners - engaging, inspiring, and full of energy. The ideas generated were fantastic, and it was clear how much the group gained from... read more

    Red2Green Avatar Red2Green

    My business partner and I found Lewis's advice (and book) extremely helpful when working out options for how to take our start-up ideas forward. It's great to have had this... read more

    Liz Avatar Liz

    I've used Lewis & Underpin Consultants as speakers at my networking events. Their marketing sessions are always very well received (that's why I've used them more than once!) and attendees... read more

    James O'Rawe Avatar James O'Rawe
  • Lewis was thoroughly engaging from start to finish whilst working with him. I would not hesitate to recommend him to anybody in the future. Keep up the fantastic work and... read more

    Gary Atkin Avatar Gary Atkin

    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

    Lewis is a pleasure to work with and brings a refreshing touch to all he does. He is trustworthy and professional with a high set of standards and a brilliant... read more

    Iona Mackay Avatar Iona Mackay
  • 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

    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

    Could not be happier with the Service from Lewis, spoke to him at a network meeting on the 7th of September 2023 and sent him an outline and information as... read more

    Raphael Magnus IEng MIET, AQE, LCGI, NCRQ, MD Avatar Raphael Magnus IEng MIET, AQE, LCGI, NCRQ, MD

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.

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