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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.

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.

0

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

    Lu Li Avatar Lu Li

    Got the wonderful opertunity to hear lewis speak at a business conference. It was a wonderful experience, and the guidance and insight that he shared, really resonated with me, and... read more

    Nate Lansdell Avatar Nate Lansdell

    We all need someone who can take an idea, truly listen, and turn it into something even better than we imagined - and that’s exactly what Lewis did for us. It... read more

    Rachel Hales Avatar Rachel Hales
  • 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

    Lewis held a consultation meeting with myself, with no charge, and provided me with some valuable insight. His passion for helping solve your problems is clear, even with speaking for... read more

    Ryan Ferrara Avatar Ryan Ferrara

    ‘Lewis was instrumental in helping us to go live with a high-profile project. The team were up against it with the timescales, but Lewis’ approach of gathering all the key... read more

    Ben Negus Avatar Ben Negus
  • 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

    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 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

Our Business Consultant Work

For Those Who Want To grow sustainably

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

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

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

Earning the trust and confidence you need to move forward.

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

Our Charity Consultant Work

For Those Who Want To Change The World

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

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

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