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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.

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Book a free call

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.

Find out what’s included in your free call

Business

Underpin helps businesses grow through business mapping, growth plans, and support that delivers real results.

Charity

Charities who work with Underpin get more revenue through delivering commercial activity, and have a stronger offer to the community.

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Free Consultations Given Since 2019

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23- 0 %

Growth Achieved by Underpin Clients in 2025

Case Studies
£ 0 m

Contracts Secured by Clients since 2019

Start Your Journey

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.

Together, let's aim for more.

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

    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 is highly recommended! Working with him and his team is a pleasure. He has assisted in newsletters, flyers and a website. If you are looking for someone professional, great... read more

    Amanda Wilson Avatar Amanda Wilson

    Lewis has a keen eye for UX and product flows and gives me a lot of good feedback! Thank you 🙏

    Lu Li Avatar Lu Li

    Lewis was a fantastic help in our conversations, being a very knowledgeable and calm figure in a time of mini-crisis for our organisation. Very well presented points and excellent knowledge... read more

    Thomas Jarratt Avatar Thomas Jarratt

  • 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

    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

    I met with Lewis English and he was knowledgeable and gave really actionable insights on building strategies and communicating impact to donors. His experience working with charities shows as he... read more

    Gloria Cherono Avatar Gloria Cherono

Our Business Consultant Work

For Those Who Want To grow sustainably

Business Mapping

We map your entire business to reveal hidden opportunities and create a clear, actionable plan for success.

Commercial Viability Support

Get an independent, honest assessment of your business model or new venture to ensure it's built on solid foundations.

Social Value Tenders

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

Social Licence Consultancy

Earning the trust and confidence you need to move forward.

Marketing Consultancy

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

Our Charity Consultant Work

For Those Who Want To Change The World

Charity Commercialisation

Securing your mission by building sustainable, purpose-driven revenue.

Strategic Planning

Moving beyond day-to-day challenges to build a clear, confident future.

Charity Team Building

Building resilient, motivated teams that are empowered to make a difference.

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