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Expert Accounting Services in Harpenden
At Cubed Consultancy, we specialise in providing comprehensive accounting and financial advisory services tailored to meet the unique needs of our clients. Our team of qualified accountants and business consultants brings decades of combined experience in delivering fixed-price solutions across bookkeeping, tax compliance, corporate advisory, and wealth management. We prioritise understanding our clients' businesses to offer customised strategies that simplify complex financial processes, enabling them to focus on growth. Established to demystify accounting for new entrepreneurs and established businesses alike, we combine technical expertise with a client-centric approach, ensuring transparency, reliability, and long-term partnerships.

Our referral-based growth reflects our commitment to exceptional service, supported by a network of regulated advisers and cutting-edge tools like AutoEntry and QuickBooks. With offices in Harpenden and London, we serve diverse industries, including construction, retail, and sports entertainment, while maintaining a personal touch that sets us apart in the accounting sector.
Services
Accounting and Outsourcing Bookkeeping and Payroll Tax Services Corporate Advisory Wealth Management Support Services
Highlights and features
  • We offer tailored accounting solutions with fixed pricing for transparency.
  • Our team includes AAT-qualified apprentices and VAT specialists.
  • We provide industry-specific expertise across construction, retail, and sports entertainment.
  • We operate a client referral program rewarding loyal customers.
  • We combine cutting-edge tools like AutoEntry with personal service.
What people say
Fantastic at what they do Professionalism and flexibility Helped me grow my business
Services
Accounting and Outsourcing
Our accounting services encompass bookkeeping, financial reporting, and outsourced finance functions tailored to your business needs. We ensure compliance with UK tax regulations while providing strategic insights to drive growth. Our team handles day-to-day financial operations, allowing you to focus on core business activities with confidence.
Tax Services
We manage all aspects of tax planning and compliance, including corporation tax, VAT, and personal tax returns. Our experts stay updated on legislative changes to ensure your business remains compliant while optimising tax efficiency through legitimate relief and allowances.
Corporate Advisory
From business formation to exit strategies, we provide tailored advisory services covering mergers, acquisitions, and financial restructuring. Our consultants help navigate complex decisions with data-driven recommendations aligned to your long-term objectives.
Wealth Management
Our wealth management services include tax-efficient investment advice, pension planning, and estate management through regulated partners. We create bespoke strategies to protect and grow your personal and business assets sustainably.
Support Services
Beyond core accounting, we offer specialist support in areas like Making Tax Digital compliance, CIS filings, and payroll management. Our team addresses unique business challenges through targeted consultancy, ensuring operational efficiency and regulatory adherence.
People
Mark Munnelly
Director
Co-founder with extensive experience in business consultancy, Mark specialises in strategic financial planning and client relationship management, driving Cubed's growth through innovative solutions.
Richard Colwell
Director
Co-founder and accounting expert, Richard focuses on tax strategy and compliance, leveraging his deep industry knowledge to deliver tailored advice that simplifies complex financial landscapes.
Darren
E-commerce Specialist
VAT and e-commerce accounting specialist, Darren ensures clients navigate digital business challenges with compliant, efficient financial strategies aligned to modern trading environments.
Catherine
Operations Manager
Overseeing client onboarding and service delivery, Catherine ensures seamless implementation of accounting solutions, maintaining statutory compliance and operational excellence across all client engagements.
Calum
Apprentice Accountant
AAT apprentice working towards full qualification in 2026, Calum supports bookkeeping and payroll services while gaining hands-on experience under senior team mentorship.
Questions
What accounting services do you offer?
We provide bookkeeping, payroll, tax compliance, corporate advisory, wealth management, and tailored consultancy services for businesses in Harpenden and beyond.
How do you simplify tax processes for clients?
Our experts handle all tax forms, deadlines, and compliance requirements while offering strategic advice to minimise liabilities and maximise efficiency.
Can you support businesses in specific industries?
Yes, we specialise in construction, retail, sports entertainment, and SME sectors, with dedicated consultants understanding each industry's unique challenges.
Do you offer fixed-price accounting packages?
Yes, we provide transparent fixed-price services with no hidden fees, ensuring predictable budgeting for our clients.
Reviews (7)
Leon Nicolas
Dec 07, 2021 Report
The best team around if youre looking for help with your small business taxes in Harpenden. The team are professional, dedicated, and knowledgeable about small business taxes. Thank you Cubed Consultancy Ltd.
Thcd Zdhr
Dec 04, 2021 Report
Richard and his amazing team of professionals have been an enormous asset to my family business. They are true experts in everything to do with taxes, trusts, and real estate. Highly recommend them!
Philip Moore
Nov 30, 2021 Report
Found this office on Google and was grateful I did. Mark and Richard helped my partners and I with entity formation. They now do all our bookkeeping and tax reporting for our real estate investment company. They have become true business managers and we rely on them to keep our financials on track. I highly recommend them to any business owner who needs help getting tax and financial forecasting on track.
Jon Weeks
Nov 29, 2021 Report
Cubed Consultancy Ltd provided me with great service. They were very knowledgeable and thorough and I would definitely recommend them. Great experience and polite, respectful staff! Thank you.
Jon David
Nov 28, 2021 Report
Absolutely superb service! They did my taxes faster than I expected even though they were quite complicated. Mark was extremely helpful in explaining some of the complexities with my business in particular and tax filing. They are doing all my business taxes this year and helping me with my new LLC.
Rosie Aria
Nov 26, 2021 Report
Very Professional Accounting Service in Harpenden. Their team of expert accountants have in depth knowledge of the tax treatments of Cryptocurrency trades. They helped me with 4 years of calculations and a successful Voluntary disclosure to CRA calculations. Five stars
Nutton Tears
Nov 16, 2021 Report
Got recommended Cubed Consultancy Ltd from a friend to assist with my taxes. I had an initial call with Mark and told my requirements. he was a pleasure to work with. I would definitely recommend them.