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Business Details
13 Years
experience
Your Trusted Partner for Accountancy Solutions
Harmonix Accounting, founded in 2013, is a Portsmouth-based accountancy practice led by Rob Waight, a Chartered Accountant with over 20 years of experience. We specialise in providing tailored financial solutions for small businesses and individuals, including annual accounts, tax returns, payroll services, and contractor support. Our commitment to fixed fees, unlimited client support, and jargon-free advice ensures transparency and client satisfaction.

Recognised by The Sunday Times as a top 200 UK accountant in 2016, we prioritise continuous professional development through our affiliation with the Chartered Institute of Management Accountants. Our focus on cloud accounting systems and compliance with HMRC regulations helps businesses stay competitive while minimising tax liabilities.
Services
Annual Accounts Bookkeeping Business Start-Ups Company Formation Company Secretarial Construction Industry Contractors (IR35) Management Accounts Payroll VAT Returns
Details
  • Year established: 2013
Highlights and features
  • We have over 20 years of experience as accountants
  • We offer fixed price packages with unlimited support
  • We provide a personal service tailored to client needs
  • We are committed to continuous professional development
  • We use an independent review service for transparency
Associations and certifications
  • Chartered Institute Of Management Accountants
What people say
Expert knowledge Reliable support Fixed fees Personal service Timely solutions
Services
Annual Accounts
We prepare statutory annual accounts tailored to your business structure, whether sole trader or limited company. Our service ensures compliance with HMRC and Companies House requirements while minimising tax liabilities. Detailed financial reporting helps you understand your business performance and plan for future growth.
Bookkeeping
Our bookkeeping service maintains accurate financial records using modern accounting software. We ensure timely updates for efficient tax planning and financial reporting. We also offer one-to-one training to help you manage your own systems effectively.
Business Start-Ups
We guide new businesses through company formation, structure selection, and financial planning. Our free initial consultation covers tax implications, reporting requirements, and budgeting. We help you establish a solid foundation for sustainable growth.
Company Formation
We assist with forming limited companies, including incorporation and compliance with legal obligations. Our service covers shareholder agreements, tax considerations, and asset transfers for existing businesses transitioning to limited company status.
Payroll
We handle PAYE, national insurance deductions, and RTI reporting for employers. Our service includes CIS returns for construction industry clients and guidance on auto-enrolment pension schemes to ensure full compliance with HMRC regulations.
People
Rob Waight
Chartered Accountant
Rob Waight, founder of Harmonix Accounting, has over 20 years of experience in accountancy. Recognised by The Sunday Times as a top 200 UK accountant in 2016, he specialises in small business support and contractor services.
Questions
What services do you offer for small businesses?
We provide annual accounts, bookkeeping, payroll, VAT returns, company formation, and contractor IR35 compliance services tailored to small businesses in Portsmouth and beyond.
Do you offer a free initial consultation?
Yes, we offer a free, no-obligation initial consultation to discuss your accountancy needs and how we can support your business growth.
Are your fees fixed or hourly?
We operate fixed-fee packages to ensure transparency, with unlimited email and telephone support included throughout the year.
How do you handle tax compliance?
We ensure compliance with HMRC regulations for income tax, corporation tax, VAT, and payroll, including quarterly CIS returns for construction industry clients.
Can you help with cloud accounting software?
Yes, we advise on and implement market-leading cloud accounting systems suited to your business size and industry requirements.
What areas do you serve?
While based in Portsmouth, we provide accountancy services to clients across the United Kingdom.