Business Details
50+ Years
experience
Trusted Chartered Accountants in Belfast
Established in 1926, Diamond & Skillen is a chartered accountants practice rooted in Belfast's financial landscape. Our firm, affiliated with Chartered Accountants Ireland, combines decades of expertise with modern technological innovation to deliver tailored financial solutions. With a team of seasoned professionals, we specialise in audit, taxation, payroll, and bookkeeping services for businesses, charities, and individuals. Our commitment to excellence is demonstrated through our early adoption of cutting-edge accounting software and systems. We maintain a client-centric approach, prioritising transparency and personalised service while adhering to the highest professional standards.Our practitioners bring extensive experience across UK tax regulations, corporate compliance, and management reporting. Having operated from our prestigious Royal Avenue premises since 2002, we continue serving clients with the same dedication that has sustained us through nearly a century of economic change. Our team's collective expertise spans generations, ensuring continuity of knowledge and service quality. We remain focused on delivering value through cost-effective solutions while maintaining our reputation as trusted advisors in the accounting profession.
Services
Accounting & Audit
Taxation Services
Payroll Bureau
Book-keeping Solutions
Charity Accounts
Details
- Year established: 1926
Highlights and features
- We have over 90 years of continuous accounting practice in Belfast
- Our team includes specialists in UK tax regulations and compliance
- We offer comprehensive services covering audit, taxation, and payroll
- We pioneered IT systems implementation in independent accountancy practices
- We provide tailored solutions for businesses and charity organisations
Associations and certifications
- Chartered Accountants Ireland
Services
Accounting & Audit
We provide comprehensive accounting and audit services for sole traders, partnerships, LLPs, and limited companies. Our statutory audits comply with current regulations while offering valuable business insights. With decades of experience, we ensure accurate financial reporting and regulatory compliance.
Taxation Services
Our taxation experts handle personal, corporate, and trust tax returns alongside specialist consultancy. We cover income tax, corporation tax, capital gains, inheritance tax, and VAT. Clients benefit from strategic tax planning and compliance solutions tailored to their specific needs.
Payroll Bureau Solutions
We manage complete payroll processing including RTI submissions, payslip distribution, and pension auto-enrolment. Our bureau handles weekly, fortnightly, and monthly payrolls with detailed reporting. Clients receive accurate, timely payroll administration aligned with current legislation.
Book-keeping Solutions
We offer cost-effective bookkeeping including VAT returns, purchase and sales ledger management. Our services ensure accurate financial records maintenance and regulatory compliance. Clients receive regular management accounts to support business decision-making.
Specialist Charity Accounts
We provide SORP-compliant accounts preparation for charities. Our specialists understand charity-specific reporting requirements and regulatory frameworks. Clients benefit from tailored financial reporting and compliance support for the charitable sector.
People
Nigel V. Skillen
Sole Practitioner & Audit Partner
FCA qualified since 1987, Nigel oversees audit work and tax services. He modernised the firm's IT systems and specialises in UK tax regulations, providing strategic financial advice to business clients.
J. Nelson Dillon
Accountant
With over 50 years' experience since joining in 1969, Nelson manages bookkeeping and VAT compliance. His expertise ensures accurate financial processing and regulatory adherence for clients' day-to-day accounting needs.
Colin E. Skillen
Accountant
Joining in 1998, Colin specialises in payroll bureau services and HR consultancy. His background in management accounting provides valuable insights into business operations and funding requirements for corporate clients.
Questions
What accounting services do you offer?
We provide accounts preparation for sole traders, partnerships, LLPs and limited companies, including management reporting and statutory audits.
Do you specialise in charity accounting?
Yes, we prepare SORP-compliant accounts specifically for charity organisations.
What tax services do you provide?
We handle personal, corporate, trust tax returns and offer specialist consultancy on capital gains, inheritance tax and VAT.
How long have you been in practice?
We've served clients continuously since our founding in Belfast in 1926.
What payroll solutions do you offer?
We provide full payroll bureau services including RTI submissions, payslip processing and pension auto-enrolment.
