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Business Details
16 Years
experience
Expert Bookkeeping & Payroll Services in Worthing
Established in 2010, GEM Bookkeeping & Office Services was founded to simplify administrative challenges for small businesses in and around Worthing, West Sussex. Our mission is to eliminate confusion and ensure clients remain compliant with HMRC requirements, from routine paperwork to complex VAT returns. With over two decades of experience, founder Justine has cultivated a versatile skill set through work with diverse industries including retail and construction, as well as roles in authorship support and school governance. We prioritise tailored solutions, adapting our services to individual client needs after thorough assessment.

Our expertise spans bookkeeping, payroll administration, and workforce management, delivered through cloud-based platforms like Xero and QuickBooks. By handling time-consuming tasks such as RTI submissions, CIS verification, and automatic enrolment pensions, we enable businesses to focus on growth. Our commitment to precision, confidentiality, and timely execution ensures clients avoid penalties while maintaining financial clarity. With a track record of long-term client relationships, we combine technical proficiency with exceptional organisational and communication skills to provide reliable, cost-effective support.
Services
Bookkeeping Payroll Services PAYE Automatic Enrolment Workplace Pensions CIS Verification VAT Returns Sales Ledger Purchase Ledger Bank Reconciliation
Details
  • Year established: 2010
Highlights and features
  • We have over 20 years of experience in bookkeeping and payroll administration.
  • Our services adapt to individual client needs after thorough assessment.
  • We use cloud-based platforms like Xero and QuickBooks for efficient processing.
  • We guarantee confidentiality and compliance with HMRC requirements.
  • We help businesses avoid penalties through timely RTI submissions and CIS verification.
Services
Bookkeeping
Our bookkeeping service ensures accurate financial record-keeping using cloud-based platforms like Xero and QuickBooks. We manage sales and purchase ledgers, VAT returns, and end-of-year preparations, allowing businesses to focus on growth. Our meticulous approach guarantees compliance with HMRC requirements while maintaining real-time financial clarity for informed decision-making.
Payroll Services
We handle all aspects of payroll administration, including PAYE calculations, RTI submissions, and CIS verification. Our service ensures timely employee payments, accurate tax deductions, and compliance with HMRC regulations. By managing payslip distribution and pension auto-enrolment, we eliminate administrative burdens for businesses.
CIS Verification
Our CIS verification service simplifies tax obligations for construction industry contractors and subcontractors. We handle registrations, payment submissions to HMRC, and CIS statement distribution, ensuring compliance with strict regulations. This reduces penalty risks while streamlining administrative processes for construction businesses.
VAT Returns
We manage VAT return submissions to HMRC with precision and timeliness, preventing last-minute compliance issues. Our service includes accurate calculation of liabilities, preparation of supporting documentation, and deadline tracking to ensure businesses maintain HMRC compliance without operational disruption.
Bank Reconciliation
Our bank reconciliation service ensures alignment between general ledger records and bank statements. By systematically verifying transactions and identifying discrepancies, we maintain financial accuracy and provide businesses with reliable cash flow insights to support strategic planning.
People
Justine
Founder
With over 20 years of experience, Justine has worked across diverse industries including retail, construction, and education. Her expertise in bookkeeping, payroll administration, and organisational management forms the foundation of GEM's tailored services for small businesses.
Questions
What bookkeeping software does GEM use?
GEM uses cloud-based platforms like Xero and QuickBooks for efficient, accessible bookkeeping solutions tailored to client needs.
Can GEM handle payroll for small businesses with 10 employees or fewer?
Yes, we specialise in payroll services for small businesses, including RTI submissions, payslip distribution, and HMRC compliance for companies with up to 10 employees.
Does GEM provide CIS verification services for construction businesses?
Yes, we offer complete CIS verification, including contractor registration, subcontractor verification, and HMRC payment submissions to ensure tax compliance.
How does GEM assist with automatic enrolment pensions?
We manage pension scheme setup, employee communications, contribution calculations, and ongoing compliance for workplace pension auto-enrolment requirements.
Can GEM help with VAT return submissions?
Yes, we prepare and submit VAT returns to HMRC, ensuring accurate calculations and timely compliance with tax obligations.