Accountants in Southampton

Accounting Services Southampton

From sole traders to growing limited companies, IGI Accounting gives Southampton businesses a dedicated accountant, unlimited support and Making Tax Digital software — for one fixed monthly fee.

Local to Southampton

Your dedicated accountant in Southampton

Based in Southampton or trading across South East? IGI is your online accountant in Southampton, handling the day-to-day compliance and keeping more profit in your business with fixed monthly pricing and no hourly billing. From Self Assessment and year-end accounts to VAT, payroll and bookkeeping, your dedicated Southampton accountant takes care of everything — and is always a phone call, email or video away.

Everything runs in secure, HMRC-recognised cloud software, so we stay perfectly in sync wherever you are in Southampton. You get a qualified, named accountant, unlimited support and proactive tax planning — not a call centre and not a once-a-year conversation.

Why Southampton businesses choose IGI

  • A real, named accountant who knows your business
  • One fixed monthly fee — never billed by the hour
  • Making Tax Digital software included at no extra cost
  • Free switching from your current accountant
  • Proactive tax planning all year round
Get my Southampton quote
Accounting services in Southampton

Your complete accounting service in Southampton

From your first invoice to your year-end accounts, IGI is the all-in-one accountant for Southampton sole traders, limited companies, contractors and partnerships. Here’s how your dedicated Southampton accountant helps.

Self Assessment tax returns in Southampton

If you’re self-employed, a company director, a landlord or a higher earner in Southampton, we prepare, optimise and file your Self Assessment tax return with HMRC. Your Southampton accountant claims every allowable expense, calculates your payments on account and tells you exactly what to pay by 31 January — so there’s no last-minute panic and no overpaid tax.

Limited company accounts & corporation tax in Southampton

For Southampton limited companies we handle the full compliance cycle: statutory year-end accounts filed at Companies House, your CT600 corporation tax return filed with HMRC, your annual confirmation statement and your director’s Self Assessment. We also plan the most tax-efficient salary and dividend split so you extract profit the smart way.

Bookkeeping in Southampton

Tidy books are the foundation of low-stress accounting. Every plan includes HMRC-recognised, Making Tax Digital-ready bookkeeping software with automatic bank feeds and phone receipt capture, so your Southampton business always has real-time numbers and a clean audit trail for HMRC.

VAT returns in Southampton

Whether you’re newly VAT-registered or approaching the threshold, we handle registration, recommend the right scheme (Standard, Flat Rate or Cash Accounting) and file your quarterly Making Tax Digital VAT returns — so your Southampton business reclaims every penny of input VAT it’s owed and never misses a deadline.

Payroll & CIS in Southampton

Employing people in Southampton? We run RTI payroll, auto-enrolment pensions and payslips every pay run, and file CIS returns for subcontractors in the construction sector — accurately, compliantly and on time.

Tax planning & advice in Southampton

The real value of a great accountant is the tax you legally never pay. Your Southampton accountant reviews your position throughout the year — allowable expenses, pensions, capital allowances, the salary and dividend mix, and the reliefs available to Southampton businesses — so you keep more of what you earn.

Every service, included

Accounting services for Southampton businesses

Pick a service for the full detail, or build a quote and we’ll bundle the essentials for you.

Simple pricing

How much does an accountant in Southampton cost?

Fixed monthly plans for Southampton businesses — no hourly billing and no surprises. and include a dedicated accountant and unlimited support.

Sole Trader
Self-employed & side hustles in Southampton.
£45/ month

· billed monthly

  • Self Assessment tax return
  • Bookkeeping software included
  • Dedicated accountant
  • Unlimited support
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Partnership
Partnerships & LLPs in Southampton.
£65/ month

· billed monthly

  • Partnership tax return (SA800)
  • Partnership accounts
  • Two partners’ Self Assessments
  • Dedicated accountant
Get my quote

Need VAT, payroll or heavier bookkeeping? Build a custom Southampton quote — you only pay for what you need.

Who we help in Southampton

Whatever kind of business you run

Why IGI

Why Southampton businesses choose IGI as their accountant

Big-firm expertise without the big-firm invoice — the modern way to handle your Southampton accounting.

A real, named accountant

One qualified person who learns your Southampton business and is there all year — not a call centre queue.

Fixed monthly fee

One transparent price agreed up front. We never bill by the hour, so a quick question never costs extra.

Proactive tax savings

Regular reviews to keep more profit in your Southampton business — before the year closes, not after.

MTD software included

HMRC-recognised, Making Tax Digital-ready software with bank feeds and receipt capture, at no extra cost.

Unlimited support

Ask as much as you like by phone, email or video, with a fast response time.

Free, fast switching

We handle clearance and records from your old Southampton accountant for free — most switches take a week.

Switching is simple

Switch to a Southampton accountant in three steps

We handle the handover with your old accountant and HMRC. Most Southampton clients are fully set up within a week.

1

Get your instant quote

Answer a few quick questions and see your fixed monthly price for Southampton in under two minutes — no obligation.

2

We do the heavy lifting

Sign up online and we request your records, handle professional clearance and register you with HMRC.

3

Meet your accountant

You’re introduced to your dedicated Southampton accountant, get your Client Hub login and we take it from there.

Industries

Industries we support in Southampton

From high-street trades and independent shops to consultancies, contractors, e-commerce sellers and limited companies, Southampton businesses choose IGI for proactive tax planning and a real, named accountant. We bring relevant experience to your sector and the South East economy you operate in.

Whatever your trade, your Southampton accountant has handled it before — and brings the right reliefs, schemes and tax planning to your sector.

Popular with Southampton businesses like:

Trades & construction (CIS) E-commerce & retail IT & contractors Consultants & agencies Hospitality & food Health & beauty Creatives & freelancers Property & landlords Startups
1-to-1
dedicated named accountant
Fixed
monthly fee, agreed upfront
UK-wide
online, phone & video
£0
to switch · no tie-ins
What you can expect

Our promises to every client

A fixed fee, in writing

Your monthly price and exactly what it covers are set out in your letter of engagement before any work starts. No hourly billing and no surprise invoices.

One named accountant

You deal with the same person who knows your business, by phone, email or video, instead of a different call-centre voice each time.

Free, handled switching

We contact your previous accountant, collect your records and take over your deadlines, so moving to us costs nothing and takes little of your time.

Browse our coverage

Accountants across the UK

Jump to any region we cover — or see more South East locations below.

More accountants in South East

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Good to know

Southampton accountant FAQs

Our fixed-fee plans start from £45/month for sole traders, £65 for partnerships and £79/month for limited companies in Southampton. There are no hourly charges and no surprise bills — build an instant quote in two minutes for your exact price.

No. IGI is an online accountant serving Southampton and the whole UK, so we support you by phone, email and video wherever you are. You still get your own dedicated, named accountant who knows your numbers.

Yes, and switching accountants in Southampton is free. We request professional clearance and your records directly from your current accountant — no awkward conversations — and most switches complete within a week.

Yes. We prepare, optimise and file Self Assessment tax returns for sole traders, directors, landlords and higher earners across Southampton, making sure every allowable expense is claimed and the return is filed on time.

Absolutely. For Southampton limited companies we prepare and file your year-end accounts with Companies House, your CT600 corporation tax return with HMRC, your confirmation statement and your director's Self Assessment — all in one fixed monthly fee.

Yes. Contractors and freelancers in Southampton get IR35 status reviews, take-home pay optimisation, a same-day invoicing app and a dedicated accountant — ideal whether you work inside or outside IR35.

We do. Real-time bookkeeping in HMRC-recognised software and quarterly Making Tax Digital VAT returns are part of our service, so your Southampton business reclaims every penny it's owed and stays MTD-compliant.

Yes — RTI payroll, auto-enrolment pensions and CIS returns for subcontractors are all available for Southampton employers, run accurately every pay run.

Your plan includes HMRC-recognised, Making Tax Digital-ready bookkeeping software at no extra cost, with bank feeds and receipt capture. We also work with Xero, QuickBooks and FreeAgent if you prefer.

Most Southampton clients are fully set up within a week. Get an instant quote, sign up online, and we handle professional clearance, HMRC registrations and your software setup from there.

Looking for an accountant in Southampton?

IGI Accounting is a fixed-fee, online accountant in Southampton. Whether you searched for a small business accountant in Southampton, a self assessment accountant Southampton, a limited company accountant Southampton, a contractor accountant Southampton or simply accounting services Southampton, you’ve found a team that pairs qualified, named accountants with modern Making Tax Digital software — all for one transparent monthly fee.

Our Southampton clients range from sole traders and freelancers to limited companies, contractors, partnerships and fast-growing startups. We take care of bookkeeping, VAT returns, payroll and CIS, year-end accounts, corporation tax and Self Assessment, and we plan ahead so your Southampton business never pays more tax than it has to. Switching from your current accountant is free, and there’s no long tie-in — just a 30-day rolling agreement.

We also cover the wider South East area — explore Reading · Slough · Windsor · Maidenhead · Bracknell and more. Ready to get started? Build your instant Southampton quote in two minutes, or talk to an accountant today.

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Your Southampton accountant, ready when you are

Get a fixed-fee quote in minutes and let a real accountant take Southampton compliance off your plate for good.