
HELPING BUSINESSES THRIVE
About Us
Our
Story
Get to Know Us
At Newton's Theory, we believe in fostering a culture of resilience and growth. Our unique blend of tough love and unwavering support is designed to empower leaders to confront challenges head-on and emerge stronger.
We understand that true success is not just about financial gains, but about making a positive impact on society. By championing inclusivity and emotional intelligence, we strive to create a business landscape where everyone has the opportunity to thrive.
Meet the Team
We are a team of experienced entrepreneurial finance directors, accountants, excel specialists and credit control experts, who all understand the numbers and the strategic big picture in which they sit.
Every client gets the power of a whole team behind each service we offer, ensuring that you receive comprehensive, tailored support to meet your unique business needs. Our collaborative approach means you benefit from diverse expertise and innovative solutions, empowering your business to achieve its full potential.
Non-exec Director / Commercial Coach
Amy Newton ACMA
Consumer, Services, Marine, SaaS, Not-for-profit
Dynamic entrepreneurial CFO and strategic coach with over 20 years of experience in securing funding from angel investors, venture capitalists, and private equity firms. Played a key role as an advisor in 9 successful exits and numerous turnaround situations.
Founder of Newton's Theory & Inclusive Angels.
Consultant CFO / Commercial Coach
Luba Potgieter FCCA
FMCG, Prof. Services, F&B, Marine, SAAS Tech
Bringing your goals and investment proposition to life in your growth business plans and financial projections is Luba’s specialism. Clients such as Lewis & Wood and Grace & Green.
Owner-managed fast-growth management, with multiple investment raises @£1m-£6m and 2 exits in 2024 on MWP and Reygar.

Financial Controller
Rachel Lay ACA
Consumer, Professional Services, Tech, F&B
With specific focus on financial accounting, year end, VAT and compliance, accounting software transfers and problem solving management accounting.
Rachel has setup and transferred multiple companies to Xero + accounting software.

Bookkeeper
Heidi McMath
AAT & ICB Qualified, Multi-sector Experience
Heidi is a certified Bookkeeper with 20+ years’ experience across sectors including shipping, education, and robotics. A member of AAT and ICB, she has worked in both practices and in-house teams, delivering expert support in VAT, CIS, payroll, and final accounts.
Known for accuracy and problem-solving, she has also steered businesses through complex mergers with calm expertise.

Operations Manager
Caitríona Bruton
Caitríona serves as the Operations Manager at Newton's Theory, where she plays a crucial role in ensuring operational efficiency.
With a focus on organisation, clear communication, and effective problem-solving, Caitríona contributes to the seamless functioning of daily operations, bolstering the team's success.
Meet the Associates

Consultant CFO / Commercial Coach
Allyson Morris FCA
Food & Beverage, FMCG, Professional Services
Allyson specialises in collaborating with SMEs, including owner-managed, private equity-backed, and highly leveraged companies. She plays a crucial role in driving revenue growth and enhancing profitability through strategic direction, restructuring, reorganisation, margin enhancement, cost management, and refining business systems and processes.

Consultant CFO/Commercial Coach
Chris Ambrose ACMA
SAAS Tech, Services, Telecom, Retail Consumer
Commercially-oriented, hands-on CFO with a proven history in VC and PE fundraising, investment-driven growth, exits, and post-acquisition transitions. Notable achievements include the SYNLAB exit (30x EBITDA) and a £4 million raise for Plantforce with private equity firm BGF. Successfully scaling growth to +£20 million revenue. Distil +£1 million VC raise.
Helping Founders
At Newton's Theory, our clients are passionate individuals who aspire to build businesses the right way — with integrity, compassion, and a commitment to positive impact. They are entrepreneurs with a heart, driven not only by profit but by a genuine desire to create value for society.
Whether they're launching startups or leading established enterprises, our clients share a common ethos of doing good while doing well. We are dedicated to serving these ethical leaders, providing them with the support and guidance they need to thrive and make a meaningful difference in the world.
Helping Your Story
JUST SOME OF OUR HAPPY CLIENTS


























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