Accounting & Tax Services in Portsmouth

Trusted Accountants in Portsmouth for Businesses & the Self-Employed
At Audit Consulting Group, we specialise in tailored, fully HMRC-compliant accounting services for Portsmouth companies, contractors, and self-employed professionals. From tax returns and VAT submissions to payroll and Companies House filings — we make finance simple, accurate, and stress-free.
Why Portsmouth Businesses Choose Us
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Local expertise with national compliance
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Fully digital, secure, cloud-based accounting
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Transparent pricing with no hidden charges
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Dedicated support for small businesses, contractors, and larger firms
Corporate Accounting Services in Portsmouth
Business Consultation
We help Portsmouth businesses:
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Choose the best legal and tax structure
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Understand PAYE, VAT, CIS, and EORI rules
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Manage financial planning for profitability
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Stay compliant with UK regulations
Company Formation in Portsmouth

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Fast Companies House registration
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PAYE, VAT, EORI, CIS setup
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Shareholder/director structuring
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Registered office address (optional)
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Ongoing compliance monitoring
PAYE, VAT, EORI & CIS Registration
We register your business for:
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PAYE (payroll setup)
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VAT (advising on the right scheme)
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EORI (for overseas trade)
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CIS (for construction businesses)
Bookkeeping & Payroll in Portsmouth
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Bookkeeping: HMRC-compliant, digital records (Xero, QuickBooks, FreeAgent)
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Payroll: Wages, payslips, RTI submissions, NI, pensions, holiday pay
Tax Planning & Management Accounts
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Salary/dividend planning
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Monthly or quarterly management accounts
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R&D tax relief support
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HMRC-compliant tax efficiency
Corporation Tax & Annual Accounts

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Corporation tax returns (CT600)
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Annual accounts for Companies House
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Confirmation Statements
No missed deadlines — no penalties.
Pension Scheme Setup & Management
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Workplace pensions (e.g., NEST)
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Contributions and compliance
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Payroll integration
Services for Self-Employed in Portsmouth
Self-Employment Setup
We register you with HMRC and provide:
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Income/expense tracking advice
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VAT or CIS support if required
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Tax-saving strategies
Self-Assessment Tax Return
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Accurate tax liability calculation
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Deduction claims
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HMRC online filing
CIS Assistance
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CIS registration
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Monthly monitoring of deductions
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Tax reclaim services
VAT Returns & MTD Compliance
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Software setup for digital VAT
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Quarterly/monthly submissions
HMRC Appeals
Received a penalty? We:
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Review and appeal fines
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Communicate directly with HMRC
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Put compliance systems in place
How Portsmouth Clients Work with Us
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Free Consultation – Discuss your needs
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Setup or Switch – Company setup or accountant transfer
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Compliance – Bookkeeping, payroll, VAT, tax returns
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Tax Savings – Ongoing strategic advice
Explore our Accounting & Tax Services in Portsmouth for tailored, HMRC-compliant solutions that make finance stress-free.
FAQ – Portsmouth Accounting Services
Do you only work with Portsmouth clients?
We serve the whole UK but provide dedicated support to local Portsmouth businesses.
Can you help with payroll for small businesses?
Yes, we manage payroll for companies of all sizes.
Can I switch accountants to you?
Absolutely. We handle the full process with HMRC and your current accountant.
Do you help with HMRC tax fines?
Yes, we draft appeals and negotiate directly with HMRC.
Your Finance Partner in Portsmouth
We support small businesses, startups, freelancers, and contractors across Portsmouth with fully compliant, affordable, and digital-first accounting.
Book your free consultation today with Audit Consulting Group Portsmouth accountants.
Accounting & Tax Services in Portsmouth – Cost & Pricing
Get affordable accounting and tax services in Portsmouth with clear pricing. We support bookkeeping, payroll, VAT, and HMRC compliance for local businesses. Our Portsmouth accounting services offer fixed pricing and reliable support.
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