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Expert Accounting Services in Watford
At MRJ & Co, we provide comprehensive accounting and tax services tailored to individuals, small businesses, and medium-sized enterprises. Our team of Chartered Certified accountants specialises in statutory accounts, tax compliance, payroll administration, and business start-up support. With expertise in Construction Industry Scheme (CIS) regulations and FSA-compliant accounting, we ensure clients meet legislative requirements while optimising financial performance.

Our services include real-time payroll processing, tax planning, cashflow forecasting, and HMRC correspondence. We prioritise client growth through personalised guidance, as evidenced by our successful support for new businesses navigating complex financial frameworks.
Services
Accounting Book keeping Tax Self assessment Payroll Business start-up Construction Industry Scheme
Highlights and features
  • We offer Chartered Certified expertise in tax compliance and financial reporting
  • Our payroll service ensures real-time HMRC compliance with RTI submissions
  • Specialist CIS support for construction industry businesses
  • Proven track record assisting new businesses with start-up accounting
  • Comprehensive FSA-regulated accounting solutions
Associations and certifications
  • ACCA
What people say
Best helping hand Knowledgeable team Great support Proactive advice Lucky to have them
Services
Accounting
We provide comprehensive accounting services including statutory accounts, management accounts, and cashflow forecasting. Our Chartered Certified team ensures compliance with financial regulations while supporting business growth through accurate financial reporting and strategic analysis. Services cover sole traders, partnerships, and limited companies.
Tax
Our tax services include return preparation, compliance, and planning for individuals and businesses. We manage HMRC correspondence, ensure legislative compliance, and provide strategic tax planning advice. The team handles corporate and personal tax liabilities with specialist expertise in complex tax scenarios.
Payroll
We offer full payroll administration including RTI submissions, PAYE management, and employment documentation. Our service reduces administrative burdens while ensuring compliance with tax and employment legislation. We handle statutory returns and provide cost analysis reports for businesses.
Business Start-up
Specialist support for new businesses including structure selection, funding advice, and compliance setup. We assist with business plans, company formation, and accounting system implementation to ensure successful start-ups with ongoing growth support.
Construction Industry Scheme
We provide CIS registration, invoicing, and compliance services for construction businesses. Our support includes VAT registration, return submissions, and transaction processing at competitive rates with no hidden fees.
Questions
What accounting services do you offer for new businesses?
We provide business structure advice, company formation, cashflow forecasts, and compliance support for start-ups.
How do you handle payroll compliance?
We manage real-time PAYE submissions, statutory returns, and employment documentation to ensure HMRC compliance.
Do you specialise in construction industry accounting?
Yes, we offer CIS registration, invoicing, VAT registration, and compliance services for construction businesses.
What tax services do you provide?
We handle individual and corporate tax returns, planning, HMRC correspondence, and compliance for all business types.
Can you assist with FSA-regulated accounting?
Yes, we support financial services firms with compliance, returns, and regulatory accounting requirements.