about
Plan Assist
why Plan Assist

At Plan Assist, we are the bespoke implementation partner. We work with ambitious teams who want to realise the full potential of their planning platform.
We’re unique in the consulting world, we only have senior grade employees, each with years of success and experience, ensuring our clients get “the A Team” every time.
Our experienced team specialise in providing robust, business-value driven solutions using two products; Pigment Planning® and Workday® Adaptive Planning.
We’re more than just implementers though.. We support our clients from vendor selection, to implementation and strategic roadmap creation.
The solutions we create with our clients, offer them a distinct edge in a competitive world. We help to turn uncertainty into strategy, challenges into opportunities, and vision into reality.
Future-Proof Solutions
We collaborate with you to create adaptable, forward-looking strategies. Our combined insights lead to solutions that are not just effective today but ready for the needs of tomorrow. Partner with us for a resilient and future-proof plan.
Proven Success Record
The extensive portfolio of our team is a testament to our success. With a history of satisfied clients and successful projects, Plan Assist stands as a reliable partner for your business planning needs. Join our community of success stories.
Commitment to Excellence
Excellence isn’t just a goal; it’s a commitment. Our relentless pursuit of quality ensures that you receive services that are second to none. Embrace excellence with Plan Assist.
Our experienced
Team
Guy Maizels
Founder – Managing Director
Guy founded Plan Assist to help organisations get the most from their investment in enterprise planning technology — by pairing technical expertise with real-world financial insight.
With a background in accounting and extensive experience delivering large-scale EPM implementations, Guy understands both the strategic and operational sides of business planning. Today, he focuses on ensuring that every commitment made to clients is delivered on — and that the team has the time, space, and support to meet those commitments to the highest standard.
Guy’s approach is grounded in clarity, accountability, and long-term partnership — values that have earned Plan Assist its reputation for trusted, high-quality delivery.
Matthew Graham
Principal Planning Specialist
His demonstrated unparalleled skill in leveraging technology to streamline business processes, earning him a reputation for transformative solutions.
A certified CIMA accountant, his profound understanding of financial frameworks and analytics has been instrumental in his role as the Senior Planning Specialist at Plan Assist. Here, Matthew continues to set benchmarks in Strategic & Workforce Planning, helping organisations navigate complex challenges with precision and foresight. His unique blend of technical proficiency and strategic acumen makes him a pivotal asset to our team, driving projects to success.
Andy Hallman
Planning Specialist
Throughout his career, Andy has delivered innovative financial strategies for renowned companies. He is highly skilled in financial modelling, budgeting, and forecasting, with expertise in platforms such as Workday Adaptive Planning and Pigment Planning.
Known for his analytical thinking and collaborative approach, Andy excels at building strong relationships with stakeholders and delivering impactful solutions that drive business performance.
Leon Wells
Senior Planning Specialist
Throughout his career, he has worked across a diverse range of industries, holding key roles in finance leadership, system implementations, and strategic advisory. Leon is known for his ability to translate complex financial models into scalable, high-impact solutions that drive business performance. His expertise in process improvement, stakeholder collaboration, and mentoring teams makes him a valuable asset to his clients, ensuring they maximize the value of their planning tools.
Andrew Alexander
Planning Specialist
Andrew is a highly accomplished EPM consultant and Chartered Management Accountant with over a decade of experience in financial planning, analysis, and reporting.
Before joining Plan Assist, Andrew held key roles at leading organisations including Kainos, Pearson, and Veolia, where he delivered impactful budgeting, forecasting, and reporting solutions across a wide range of industries. He has led multiple end-to-end EPM implementations, driving excellence from design to go-live, while also contributing to improved methodologies and delivery practices.
Andrew’s strong grounding in FP&A, combined with hands-on expertise in enterprise performance management systems, enables him to translate complex financial processes into streamlined, scalable solutions. His analytical mindset, client-focused approach, and passion for continuous improvement make him an invaluable addition to the Plan Assist team.
Polly Winter
Planning Specialist
Polly is an experienced finance professional with a strong background in financial planning, analysis, and reporting within high-performance, fast-paced environments.
Before joining Plan Assist, Polly worked at McLaren Racing, where she played a key role in the design and delivery of a new enterprise planning solution, taking on product ownership and specialist responsibilities early in the project. Her experience spans end-to-end financial planning processes, stakeholder engagement, and the delivery of board-level reporting and insight.
Polly combines technical expertise with a practical understanding of business operations, enabling her to bridge the gap between finance and technology. Her proactive, collaborative approach and commitment to delivering high-quality outcomes underpin the success of every project she contributes to.
Luke Boyns
Planning Specialist
Luke is an accomplished finance professional with extensive experience in financial planning, reporting, and performance management across the media, entertainment, and technology sectors.
Before joining Plan Assist, Luke led FP&A and commercial finance functions at PRS for Music and PPL, where he drove major transformation initiatives, including the design and delivery of new enterprise planning and reporting solutions. His expertise spans strategic forecasting, executive-level reporting, and the optimisation of finance processes through technology and automation.
Luke combines commercial insight with a strong technical foundation, bringing a pragmatic, results-oriented approach to EPM delivery. With over a decade of leadership experience, he is passionate about building high-performing teams and helping organisations turn complex data into clear, actionable insight.
You?
Join our Team
At Plan Assist, we pride ourselves on having a team of industry-leading professionals with exceptional expertise and a passion for driving success.
We’re always on the lookout for talented individuals ready to take on exciting challenges. If you’re looking to make a real impact in a dynamic and innovative environment, we’d love to hear from you!