Bookkeeping
Efficient management of financial records, transactions and reconciliations, kept accurate and up to date.
Accountants in Portsmouth
Accountants in Portsmouth
Chartered accountants for business support across the city. Our accounting services are designed to simplify financial management, ensure compliance and drive growth for small businesses.
ICAEW Chartered
Xero Gold Partner
Making Tax Digital Ready
Google Client reviews
The practice
Accountants in Portsmouth
At Mandair & Co, we are a Southampton-based, Hampshire-proud firm of accountants providing expert financial advice and accounting services to individuals and businesses across Southampton, Portsmouth, Southsea, Winchester and Eastleigh. Our Portsmouth office is located at 102 Albert Road, Southsea, PO5 2SN, in the heart of Portsmouth, ensuring easy access to our trusted accounting services.
As your dedicated accountant in Portsmouth, we've earned a reputation for delivering reliable and accurate financial guidance to clients in both urban centres and coastal towns. Whether you're based in Southampton, Portsmouth, Southsea or Winchester, our team provides personalised solutions tailored to the unique needs of the local community.
25+Years handling work like this
18Specialists across the practice
ICAEWRegulated chartered accountants
XeroGold Partner, Making Tax Digital ready
Why businesses choose us
Why clients choose Mandair & Co in Portsmouth
- Chartered accountants with over 25 years of proven experienceTrading since 1999 and regulated by the ICAEW.
- Bespoke accounting solutions aligned with business goalsServices shaped around where your business is going.
- Local insight into Portsmouth's business environmentWe know the city, its sectors and its pressures.
- Clear, straightforward and dependable adviceAccounts shouldn't be a mystery — we explain things plainly.
ICAEW member firm
Regulated for your protection
As ICAEW-qualified professionals we deliver reliable financial advice, compliance support and strategic guidance tailored to your business goals, giving you confidence to grow and thrive.
Comprehensive accounting services
Everything handled in one place
Our tailored services support small businesses in managing money, meeting compliance and building long-term success. From handling tax returns and bookkeeping to managing payroll and offering business growth planning, our expertise spans a wide range of services.
Business Start Up
Guidance on legal structure, registrations and compliance, plus business planning and financial projections.
Payroll
All aspects of payroll — calculations, deductions, employment law compliance, pensions and CIS.
Tax Returns
Self-assessment and business tax returns prepared and filed, with the deadlines managed for you.
Your local office
Come and see us in Portsmouth
As one of the best-known accountants in Portsmouth, we understand the specific financial needs of Hampshire-based businesses and individuals, helping you achieve long-term success and financial security. At Mandair & Co, we're not just accountants — we're an integral part of the Southampton and Portsmouth communities, committed to delivering expert, personalised financial support. Whether you're looking for help with tax planning, payroll services or business accounting, we are here to ensure you receive reliable, locally focused advice.
Portsmouth office
102 Albert Road
Southsea, Portsmouth
Hampshire, PO5 2SN
Opening hours
Monday – Friday
9.00am – 5.00pm
all officesSee all four locations
More from Mandair & Co
Other services
Why choose Mandair & Co
Why Portsmouth businesses stay with us
Personal client manager
Although we are a small practice we take a great interest in all of our clients. Each client is allocated a client manager to assist with all your business queries, so we understand your business and its needs.
Software support
Help and guidance on an accounting package to suit your business, its needs and your budget. Our trained staff know packages ranging in specification and price, so the software you use actually works for you.
Complete peace of mind
Trading since 1999, with trained staff and the reassurance that your accounting is in good hands. As a firm we are members of, and regulated by, the Institute of Chartered Accountants.
Regulated & accredited
Frequently asked questions
Accountants in Portsmouth
Still not sure? Call the office nearest to you — we will give you a straight answer before you commit to anything.
Ask us a questionWhat accounting services do you offer for businesses in Portsmouth?
Mandair & Co provides comprehensive accounting solutions to businesses in Portsmouth and surrounding areas. Our services include bookkeeping, payroll management, accounts preparation, tax returns, and start-up support. We also deliver specialist services such as tax planning, business advice, and assistance with HMRC investigations.
How do bookkeeping services benefit businesses?
Bookkeeping is essential for maintaining accurate and up-to-date financial records. By choosing Mandair & Co, businesses can save time, reduce the risk of errors, and gain clear visibility over their cash flow. Professional bookkeeping simplifies tax filing, ensures compliance with regulations, and supports better financial decision-making.
How can Mandair & Co assist with payroll management?
Our payroll management service covers every stage, from calculating employee wages to handling tax deductions, pensions, and statutory payments. We ensure compliance with employment laws and HMRC regulations, delivering timely and accurate results. By outsourcing payroll to us, businesses reduce administrative strain and eliminate the risk of errors.
What are the benefits of working with chartered accountants?
Chartered accountants bring extensive training, expertise, and professional standards that guarantee accuracy and compliance. At Mandair & Co, our ICAEW-qualified accountants offer more than tax filing, providing tailored planning and advice that reduces liabilities and supports growth.
Do you offer personalised tax advice for small businesses?
Yes, we provide personalised tax advice specifically tailored to small businesses. We understand the unique challenges small enterprises face, from managing VAT to identifying allowable expenses. Our team delivers practical advice designed to optimise tax efficiency while ensuring compliance with current legislation.
Free initial consultation
Talk to Portsmouth's local chartered accountants
Request a free consultation with our team today for more information.
- Fees agreed up frontThere are no hidden costs and all fees are agreed, so there are no nasty surprises. Pay by the hour or on a fixed-fee basis.
- We are approachableIf there is something you are not sure about we are always on hand to provide assistance and answers.
- A free initial consultationBook your free initial consultation with our team.
Chartered · ICAEW regulated
Start with a conversation, not a contract
The first consultation is free and there is no obligation. Bring your questions and we will give you straight answers.