Business Details
30 Years
experience
Trusted Accountancy Services in Hook, Hampshire
Established in 1996, Jupp Castle has evolved through strategic leadership transitions, with Heather O'Reilly acquiring full ownership in 2000 and Jo Dewhirst joining as a director in 2018. Our team operates from Hook, Hampshire, serving clients across Southern England and internationally, including Australia. We prioritise strategic goal-setting to align with clients' personal and professional ambitions, offering tailored financial planning and advisory services. Our approach combines deep industry expertise with a commitment to building long-term client relationships. The team comprises AAT-qualified professionals, Chartered Accountants, and specialists in areas like charity finance and construction sector bookkeeping.We maintain rigorous compliance standards while providing accessible, jargon-free financial guidance. Regular seminars ensure clients stay informed about legislative changes impacting their finances. Client feedback consistently highlights our ability to resolve complex financial challenges and deliver measurable stress reduction. Internal processes emphasize continuous improvement through regular plan reviews and performance measurements. Our office culture fosters professional development, with team members actively engaged in training and knowledge-sharing initiatives.
Services
Accounts Preparation
Tax Planning
Bookkeeping
Payroll Services
Company Secretarial
Management Accounts
Business Planning
Seminars
Legal Services
Details
- Year established: 1996
Highlights and features
- We have 25+ years of experience in accountancy and financial advisory services
- Our team includes Chartered Accountants and AAT-qualified professionals
- We provide tailored financial planning aligned with individual business goals
- We offer comprehensive compliance services including tax, payroll and accounts
- Our strategic approach combines technical expertise with practical business advice
Associations and certifications
- ACCA
What people say
Saved money
Reduced stress
Excellent client relationships
Knowledgeable team
Timely solutions
Services
Accounts Preparation
We prepare and file statutory accounts for limited companies, LLPs and charities. Our service ensures compliance with Companies House and HMRC requirements while providing clear financial insights. Clients benefit from accurate, timely reporting that supports informed business decision-making.
Tax Planning
Our comprehensive tax services include annual returns and long-term planning. We help clients optimise their tax positions while maintaining compliance. Services cover corporation tax, capital gains tax and international tax considerations for businesses and individuals.
Payroll Services
We offer customised payroll management including auto-enrolment services. Our system handles salary calculations, tax deductions and HMRC submissions. Clients receive accurate, timely payroll processing that complies with current employment legislation and reporting requirements.
Bookkeeping
We provide weekly, monthly or quarterly bookkeeping using Xero and QuickBooks. Services include VAT return preparation and invoice processing. Our accurate record-keeping ensures businesses maintain up-to-date financial information for effective management and compliance.
Business Planning
Our One Page Strategic Plan helps businesses set and achieve financial goals. We combine goal-setting frameworks with regular progress reviews. This service supports business growth, succession planning and long-term financial sustainability through structured, adaptable planning processes.
People
Heather O'Reilly
Managing Director
Qualified accountant with 25+ years' experience. Owner since 2000, specialising in strategic business planning and client relationship management. Focuses on business development and staff welfare while maintaining technical excellence in accountancy services.
Joanna Dewhirst
Accounts Director
Chartered Accountant since 1999. Oversees accounts department, specialising in tax planning and charity finance. Provides strategic financial advice to businesses while managing client relationships and departmental operations.
Amber Whatley
Bookkeeping Manager
AAT Level 4 qualified bookkeeping manager. Specialises in Xero and QuickBooks, managing client accounts and VAT returns. Trains junior staff while maintaining high standards in bookkeeping services for diverse business clients.
Sarah Riddell
Bookkeeper
Experienced bookkeeper specialising in construction industry clients. Completes CIS returns and manages client accounts. Receives ongoing training while providing professional bookkeeping services that support business financial management.
Mim Warren
Bookkeeper
Experienced bookkeeper handling multiple client accounts. Trained by Amber, now managing increasingly complex clients. Brings prior legal and administrative experience to financial record-keeping while continuing professional development.
Questions
What accountancy services do you offer for businesses?
We provide accounts preparation, tax planning, payroll management, bookkeeping, company secretarial services and strategic business planning tailored to individual business needs.
Do you handle personal tax returns?
Yes, we complete income tax returns for individuals including complex cases involving capital gains tax and non-residency returns, with pricing starting at £75 plus VAT.
What are your office hours?
Our office is open Monday-Thursday 9am-5pm and Friday 9am-2:30pm for client consultations and accountancy services.
How do you support business growth?
We use our One Page Strategic Plan to establish business goals, provide regular progress reviews, and offer tailored financial advice to support sustainable business development.
Are your accountants qualified?
All our accountants are professionally accredited, including Chartered Accountants and AAT-qualified professionals with extensive industry experience across various business sectors.
Reviews (4)
W. J. Fire
Nov 26, 2021
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Jupp Castle's service is second to none, coupled with the fact they are very helpful it is always a pleasure to deal with them. Any questions that arrise at any point in the year are always delt with swifty
Frances Cassell
Aug 08, 2020
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Jupp Castle is completely different to the stereotypical accountants. We very much enjoy the honest, proactive and helpful information that is communicated regularly. Above all, we know our financial situation is in safe hands and we can approach the team for business and personal advice whenever it's needed. Thank you!
Phil Cody
Nov 09, 2017
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Jupp Castle are always very down to earth and understand the needs of my business to deliver a no nonsense service and support network. Highly recommended!
Paul Sandford
Jun 07, 2017
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Heather and her team at Jupp Castle have been my accountants for over ten years and in that time that have supported me ranging from personal tax matters to being a partner in starting and growing my business. She is very easy to get along with and not your typical accountant! Her team have a wide range of tactical and strategic experience and provide an excellence service.
