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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Google reviews, five stars
Bloom accredited supplier
Social Value UK organisational member
UK Register of Learning Providers (UKRLP) registered
★★★★★
4.9 on Google, from 72 five-star reviews
What the work feels like from the other side
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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.

  • 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 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

    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
  • 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

    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

    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 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

    After just one business analysis session with Lewis, it was immediately clear how professional and insightful he is. Unlike many business coaches or consultants, Lewis brings a truly holistic, bottom-up... read more

    Kris Avatar Kris

    We met Lewis at a recent construction show and had a great talk with him around the issues and challenges we have faced and our barriers to growth. He has... read more

    Josh McIvor Avatar Josh McIvor

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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