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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 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

    We have been working with lewis for around 4 months and cannot fault him in any way. His services have been very specific to our needs and goals. We have... read more

    Luke Kisko Avatar Luke Kisko

    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

  • Thank you for today's session. The advice was clear, practical and very helpful. You listened carefully and offered thoughtful guidance that gave me a clearer way forward. I would definitely... read more

    Betty Berthebaud Avatar Betty Berthebaud

    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

    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

  • 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

    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

    I've been working with Underpin for sometime now, but we saw results instantly through the delivery of a laser focussed business plan, clarity of our purpose, mission and values... read more

    Debbie Larrad Avatar Debbie Larrad

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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