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Business Details
8 Years
experience
Since our formation in 2018, Modus Accountants has been driven by the belief that effective accounting should actively support business growth. The firm was co-founded by Mark Spolander, a serial entrepreneur with extensive mentoring experience, and Samantha Newport, a chartered accountant with a strong technical background. Together, we combined real-world commercial insight with professional accounting expertise to create a practice focused on adding genuine value. Our approach was shaped by firsthand understanding of the challenges faced by business owners and the need for advice that extends beyond statutory compliance.

Today, Modus is recognised as one of the foremost accountancy firms in Oxfordshire, serving a diverse client base both within the UK and overseas. We provide a full suite of services, including accounts preparation, tax planning, bookkeeping, payroll, VAT compliance, and company formations, supported by strategic business advisory services. What distinguishes our work is our proactive engagement with clients, taking the time to understand their ambitions and offering practical, actionable guidance. Led by a committed and knowledgeable team, we pride ourselves on delivering a consistently high standard of service, ensuring that client care remains central to everything we do.
Served areas
  • Oxfordshire, Witney, Abingdon, Oxford
Details
  • Year established: 2018
  • Employees: 11
Highlights and features
  • Proactive accountants offering year-round business support
  • Dedicated accountant providing tailored advice and guidance
  • Comprehensive accountancy, tax planning, and business services
  • Regular check-ins ensuring compliance and business growth
  • Trusted advisors supporting businesses across Oxfordshire
  • Over one hundred five-star Google client reviews
Payment methods
  • Credit cards, Debit cards, Mobile payments, Bank transfers, Checks
Services
Year-End Accounts
Our year-end accounts service focuses on precision, compliance, and practical understanding of your financial position. By preparing FRS102-compliant accounts efficiently, we enable timely review and informed planning. We take care of statutory reporting, tax calculations, and reconciliations, allowing us to identify legitimate opportunities to optimise outcomes while ensuring clarity and confidence at year end.
Bookkeeping & VAT
Our bookkeeping service is built around precision, transparency and practical support. We handle records, reconciliations, VAT and reporting with careful attention to detail, keeping your accounts organised and compliant. Services are tailored to your business, providing dependable financial information for planning, oversight and year-end readiness.
Payroll
Keeping payroll compliant demands vigilance, which we provide on behalf of our clients. Our service is suitable for both small teams and more established payroll functions. We oversee processes carefully to prevent errors and compliance issues. As a result, payroll is delivered consistently, accurately, and with professional oversight.
Self Assessment
We provide a comprehensive Self Assessment service designed to remove uncertainty and reduce pressure. Our team prepares and submits returns accurately, reviews all relevant reliefs and allowances, and ensures deadlines are met. We also support forward planning, helping clients understand upcoming liabilities and manage payments with confidence.
Business Valuations
A robust business valuation gives you the confidence to negotiate effectively, raise finance, reward shareholders or plan a successful exit. At Modus Accountants, we combine qualified accounting expertise with real-world deal experience to deliver clear, defensible valuations that stand up to scrutiny from investors, buyers and lenders.
Virtual Finance Director (VFD) Services
As businesses grow, there comes a point where bookkeeping and year-end accounts are no longer enough. You need strategic financial leadership from budgets and cash flow forecasting to KPIs, funding, pricing and profit improvement without the commitment of a full-time finance director. Our Virtual Finance Director (VFD) service gives Oxfordshire SMEs in Witney, Abingdon and the surrounding areas access to that level of expertise on a flexible, scalable basis, providing clear direction and financial confidence as your business moves forward.
Business Coaching & Mentoring
Our Business Coaching & Mentoring service supports founders and SMEs in Oxford, Witney and Abingdon with practical, numbers-led guidance. We focus on strategy, accountability and clear actions, all closely linked to KPIs, cash flow, budgets and profit, helping you make confident decisions and drive sustainable growth.
Reviews (9)
Ian Morris, UK Shade Solutions Ltd
Jan 24, 2026 Report
Having taken the step back in 2017 to set up my own business it has been one that I have been very lucky with.

Modus came into the picture within the last 12 months due to taking over from the previous accountants I was using as they had decided it was time for them to retire. I was a little nervous at first however from the first conversation with Samantha and the team at Modus I was given a huge boost and relief as their professionalism and methods of business is phenomenal.

The advice and guidance already given to me by Modus has been amazing and one I truly appreciate and will continue to learn from so in my opinion I owe Modus a massive thank you for the work they do. I would highly recommend Modus to any company as both the work and professional service they deliver is first class.
Kristen Tapping
Jan 15, 2026 Report
I have been working with Modus for about 2 years now. I swapped over from an accountant you had made lots of mistakes in my accounts, and Modus put in the time to rectify everything. They are always available to answer questions. We are a small startup and their rates are very reasonable for the quality of work.
Jason Mans
Dec 13, 2025 Report
Were a business based in Witney and needed urgent help filing our accounts as we were let down by our accountant. Mark and Sam at Modus were very responsive and managed to file our accounts before the deadline. I can highly recommend Modus, many thanks for your help!
Craig S.
Nov 23, 2025 Report
We have only recently moved to Modus but cannot rate, Mark, Sam and the whole team highly enough. Not only are they getting our accounts and admin in order but they are also helping with long term planning and steering the business in the right direction. A first class team.
Steeve
May 01, 2025 Report
I am writing to express my satisfaction and recommendation for the services provided by Modus Accountant Big thank you Lauren, Jenna, Mark and the rest of the team. It has been a couple of years since I switched my business accounting needs to their firm, and I must say that I am extremely pleased with their professionalism and expertise. The team at Modus Accountant has consistently demonstrated a high level of proficiency in handling my financial matters.

Not only are they knowledgeable and efficient, but they also exhibit a genuine kindness and dedication to their clients. I have found their services to be invaluable in helping me navigate the complexities of financial management.
Carl Wood
Apr 27, 2025 Report
We've been with Nick at Aries / modus Accountants for over 20 years now and I can honestly say how brilliant the service has been . Nick has always been there for us on the end of the phone when weve needed advice and our tax returns are always filed on time with a full explanation of all the procedures and things weve needed to do , I can not recommend Modus highly enough , thank you Nick .
Steve O'Hara
Apr 22, 2025 Report
We hold multiple accounts with Modus accountants, Business & Personnel, we find that their knowledge base and communications between all their departments is exceptional and always on point. Any financial issues that need resolving these are completed in a very professional manner and within expected time frames. I would absolutely recommend Modus accountants to any Personnel, Business or Corporation for all aspects of Accounting & Tax liabilities, we are very satisfied with their appointment.
Ken Cheng
Apr 11, 2025 Report
Decided to switch accountant for my IT Limited company to a local company in Oxford area and found Aries Accountants, who are now Modus. They have now been my accountants for both business and self assessment services for over ten years and I have never encountered any issues during this time. All returns have been submitted to HMRC on time and with no issues. I wish to thank Nick and his team for all their help and support since I first stepped into the doors at Aries to now where they have now grown into Modus.
Graeme Christianson
Mar 27, 2025 Report
Since transitioning to Modus a couple of years ago, I have been very happy. The whole team is friendly, efficient, and capable. Sam in particular has helped us to improve the business's financial performance.