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Business Details
39 Years
experience
Trusted Accountants in Newport Providing Comprehensive Financial Solutions
Established in 1987, Guilfoyle Sage LLP has built an enviable reputation for delivering exceptional accountancy and business advisory services to clients across diverse sectors. Our approach combines deep technical expertise with a commitment to understanding each client's unique needs, ensuring tailored solutions that drive business growth and personal financial success. With a longstanding team offering continuity and sector-specific knowledge, we provide comprehensive services including audit, taxation, business strategy, and specialist financial advice. Our partners bring decades of combined experience, supported by a dedicated team skilled in areas such as corporate tax, payroll management, and estate planning.

We prioritise personal client relationships, maintaining approachability and reliability while upholding the highest professional standards. Operating across agriculture, construction, manufacturing, and service industries, we combine local community focus with national expertise. Our services extend beyond traditional accounting to include strategic business development, corporate finance access, and technology advisory, ensuring holistic support for businesses at every stage. This commitment to excellence has earned us enduring trust among small enterprises, large corporations, and individual clients throughout South Wales and beyond.
Services
Audit Services Accounts Preparation Business Start-Up Advice Bookkeeping Corporate Tax Company Secretarial Estate Planning IT Advisory Payroll Services VAT Compliance
Details
  • Year established: 1987
Highlights and features
  • We offer 37 years of continuous service since 1987
  • Our team provides specialist skills in tax planning and business strategy
  • We deliver continuity through longstanding client relationships
  • We serve diverse sectors including agriculture and construction
  • We combine local knowledge with national expertise
What people say
Exceptional expertise Personalised service Reliable support Business growth Tax efficiency
Services
Audit Services
Our audit services provide assurance through rigorous examination of financial statements. We ensure compliance with regulatory standards while identifying potential risks. Clients benefit from enhanced credibility and improved internal controls through our thorough audit processes.
Corporate Tax
We manage corporate tax obligations including planning and compliance. Our expertise reduces tax liabilities while maintaining HMRC compliance. Businesses receive strategic advice on tax-efficient structures and international tax considerations.
Business Start-Up
Comprehensive support for new businesses covering financial planning and legal structures. We help develop viable business models and secure initial funding. Clients receive ongoing advisory services to support early-stage growth and sustainability.
Payroll Services
We handle payroll processing with weekly or monthly options. Our services include tax deductions and compliance reporting. Businesses benefit from accurate, timely payroll processing that reduces administrative burdens and ensures legislative compliance.
Estate Planning
Specialist advice on inheritance tax and estate management. We create strategies to preserve wealth across generations. Clients receive tailored solutions combining tax efficiency with long-term financial security for their families.
People
Mark Gwillim
Partner
BSc Econ graduate with extensive experience in business advisory and audit services. Specialises in strategic financial planning and corporate governance for medium-sized enterprises across multiple industry sectors.
David Evans
Partner
Qualified ACA accountant offering specialist tax planning expertise. Focuses on corporate tax compliance and business growth strategies for clients in construction, agriculture, and professional services sectors.
Questions
What accounting services do you offer for new businesses?
We provide business start-up evaluation, financial planning, and legal structure advice to help new ventures establish strong foundations.
Do you provide specialist tax planning services?
Yes, we offer comprehensive tax planning including corporate tax compliance, inheritance tax strategies, and international tax considerations.
Can you handle payroll processing for businesses?
Our dedicated payroll department offers weekly or monthly payroll services with full compliance reporting and tax deduction management.
What sectors do you specialise in?
We work with clients across agriculture, construction, manufacturing, professional services, and the service sector.
Do you offer audit services for larger companies?
Yes, we provide statutory audit services ensuring compliance with regulatory standards while identifying business improvement opportunities.
How do you support business growth?
Through strategic business development advice, corporate finance access, and tailored financial planning to support expansion goals.