Accountants in Southampton
ICAEW Chartered Accountants in nearby Winchester, working with businesses across Southampton, from the waterfront and city centre to Portswood, Shirley and Totton. Personal, plain-English accountancy from start-up to £10m turnover.
Years of accountancy experience
Chartered Accountants — member no. C011009337
Per month, Xero included
Initial 30-minute consultation, no obligation
Do you have a Southampton office?
No — Lumi is based in nearby Winchester, and that's deliberate: most Southampton clients work through Xero, email and video calls, meeting in person when it helps. We support businesses from SO14 to SO19 and Totton, from start-up to around £10m turnover.
Correct for the 2026/27 tax year · last reviewed August 2026 · Chris Sullivan ACA
Accountancy for Southampton businesses, from nearby Winchester
Southampton is the region's commercial engine: port and maritime, retail, two universities and a deep base of growing SMEs. We give the city's ambitious businesses senior, jargon-free advice without big-firm fees or big-firm distance.
Senior attention, Southampton-wide
You deal directly with a Chartered Accountant, not a call centre. We're just up the M3 in Winchester, and most Southampton clients run everything smoothly online via Xero.
Plain English, no jargon
We explain your finances in terms that make sense. No acronym-soup, no 40-page reports full of numbers you're supposed to nod along to. Just clear, honest advice on your business.
You speak to a Chartered Accountant
Every client works directly with a qualified ICAEW Chartered Accountant with over 7 years of experience. Someone who takes the time to understand your business and gives you consistent, informed support.
Full-service support, in person or online
Whatever your line of work — from marine, logistics and import/export firms around the docks to retail, hospitality and student-economy businesses across the city — we offer the full range of accountancy services to Southampton businesses: accounts, tax, VAT and payroll. Work with us online via Xero, or meet in person whenever it helps.
Straightforward pricing for Southampton businesses
Every package includes Xero — our recommended accounting software. No hidden extras, no annual price shock.
- Xero subscription included
- Statutory accounts submission
- Corporation tax calculation & submission
- Director's payroll (1 employee)
- Director's Self Assessment
- Monthly bank reconciliation (up to 50 transactions)
- Email support
- Everything in Lite, plus advanced Xero
- Monthly bank reconciliation (up to 150 transactions)
- Quarterly VAT returns
- Payroll for up to 5 employees
- Email support
- Everything in Core
- Full bookkeeping & transaction processing (unlimited)
- Monthly management accounts
- Quarterly strategy & tax review meetings
- Unlimited phone support
All prices exclude VAT.
Serving Southampton and the wider city
We work with businesses across SO14 to SO19 and out to Totton (SO40), from the waterfront to the suburbs, and with clients who prefer to work entirely online via Xero.
Not on the list? We work with businesses across Hampshire, so get in touch and we'll let you know how we can help.
Accountancy for Southampton's growing businesses
Southampton is the largest economy on the south coast: a working port city with maritime and logistics at its core, two universities feeding a young workforce, and a diverse base of retail, hospitality, marine and professional firms. Businesses here are often bigger and faster-moving.
An import/export or marine business wrestling with VAT, a multi-site retailer or hospitality group, a growing company that needs proper management accounts: we scale our support to match, and keep the advice refreshingly clear.
Do you have a Southampton office?
We're based nearby in Winchester, at Abbey Mill, around 20 minutes up the M3. Most Southampton clients work with us online via Xero, with in-person meetings whenever useful.
Can you handle VAT for marine or import/export firms?
Yes. We deal with VAT, including overseas and import VAT considerations, for Southampton's trade, marine and logistics businesses.
Do you support larger Southampton companies?
We work with companies up to around £10m turnover, providing management accounts, payroll and strategic tax planning through our Complete package.
How do I choose an accountant in Southampton?
Look for someone properly qualified — an ICAEW Chartered Accountant is held to strict technical and ethical standards — who you'll deal with directly, who explains things in plain English, and who knows the local business scene. At Lumi you work one-to-one with a Chartered Accountant covering Southampton, not a call centre. Book a free 30-minute call and see if we're a fit.
How do we get started?
Book a free 30-minute call. We'll talk through your Southampton business, answer your questions, and explain exactly how we'd help, with no obligation.
Ready to talk to a Southampton accountant who actually listens?
Book a free 30-minute call. No pressure and no jargon, just an honest conversation about your business and how we can take the financial burden off your plate.
Book your free call →Send us a message
Prefer to drop us a note first? Fill in the form and we'll come back to you within one business day.
Winchester, SO23 9LH
We work with most clients remotely, via Xero, email and video calls — or meet in the city centre, at Ocean Village or out at Totton when in person helps.
Book online →

