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Expert Accountancy Services for SMEs
At Complete Accounting Services, we bring over four decades of expertise to support small and medium-sized businesses in achieving financial clarity and growth. Our team delivers tailored accountancy solutions, combining proactive advice with a friendly, approachable approach. Specialising in bookkeeping, payroll, taxation, and advisory services, we prioritise transparency, competitive pricing, and no hidden fees. We are committed to building long-term partnerships with clients, offering free initial consultations for new businesses and start-ups. Our mission is to meet evolving client needs while maintaining the highest standards of customer satisfaction. With flexible on-site and off-site support, we cater to diverse sectors including construction, private landlords, and limited company formations.

Our services extend to IR35 compliance, deemed payment calculations, and expert guidance on HMRC requirements. We stay ahead of regulatory changes, ensuring clients receive up-to-date advice on tax laws, national insurance, and post-Brexit trade procedures. Backed by extensive experience and a focus on personal service, we aim to be the trusted partner for businesses seeking reliable financial management. Our dedication to quality is reflected in our comprehensive service portfolio and commitment to client success.
Services
Bookkeeping Payroll Services Tax Returns Business Start-Ups Construction Industry Scheme IR35 Accounts Company Formation VAT Returns Financial Advisory Year-End Accounts
Highlights and features
  • We have over 40 years of experience in accountancy services.
  • Our team provides tailored, proactive financial advice.
  • We guarantee competitive pricing with no hidden fees.
  • We offer free initial consultations for new businesses.
  • We specialise in HMRC compliance and tax legislation updates.
Services
Bookkeeping
Our bookkeeping services ensure accurate, up-to-date financial records for businesses of all sizes. We manage day-to-day transactions, bank reconciliations, and ledger maintenance, providing clarity for decision-making. Clients benefit from streamlined processes that save time and reduce errors, allowing focus on core business activities.
Payroll Services
We handle payroll processing, including salary calculations, tax deductions, and compliance with HMRC regulations. Our service ensures timely and accurate payments while minimising administrative burdens. Businesses gain peace of mind knowing their payroll obligations are fully managed by experts.
Tax Returns
We prepare and submit self-assessment tax returns, ensuring compliance with deadlines and legislation. Our expertise covers complex scenarios like property income, capital gains, and charitable donations. Clients receive strategic advice to optimise tax efficiency and avoid penalties.
Business Start-Ups
We assist entrepreneurs in establishing businesses, including company registration and tax registrations. Our guidance covers legal structures, financial planning, and compliance requirements. Start-ups receive tailored support to build a solid foundation for sustainable growth.
Construction Industry Scheme
Specialised CIS compliance services for contractors and subcontractors, including verification, payment calculations, and HMRC submissions. We simplify complex VAT reverse charge procedures and ensure adherence to industry-specific regulations, reducing administrative stress for construction businesses.
Questions
What accounting services do you offer?
We provide bookkeeping, payroll, tax returns, business start-up support, CIS services, IR35 compliance, company formation, VAT returns, and financial advisory services.
Do you work with small businesses?
Yes, we specialise in supporting small and medium-sized enterprises with tailored financial solutions and expert guidance.
Are your fees transparent?
Absolutely. We guarantee competitive pricing with no hidden fees, ensuring complete cost clarity from the outset.
Do you offer initial consultations?
Yes, we provide free initial consultations for new businesses and start-ups to discuss their specific needs.
Which areas do you serve?
Based in Swindon, we serve Wiltshire, Blagrove, and surrounding areas with both on-site and remote support options.