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Business Details
30 Years
experience
Trusted Accountants in Sheffield
Established in 1996, Number Crunchers has been providing tailored accounting solutions to small businesses and startups in Sheffield and South Yorkshire. Our team of qualified professionals specialises in fixed-fee accounting, bookkeeping, and payroll services, ensuring transparency and cost predictability. We prioritise client education, offering unlimited advice to help businesses understand their financial position and make informed decisions. With expertise in HMRC-compliant cloud accounting software like FreeAgent, Sage, and Xero, we support clients through Making Tax Digital transitions.

Our 25-year track record includes long-term client relationships, reflecting our commitment to reliability and local market knowledge. We provide tax investigation cover up to 100,000, offering peace of mind against HMRC audits. By combining technology with personalised service, we aim to simplify financial management for sole traders, limited companies, and franchises.
Services
Accounting Services Cloud Accounting Bookkeeping Self Assessment Payroll Services
Details
  • Year established: 1996
Highlights and features
  • Fixed fee services agreed upfront with no hidden costs
  • Unlimited accountancy advice included in all packages
  • HMRC-approved cloud software integration expertise
  • Tax investigation cover up to 100,000 included
  • 25 years of local Sheffield business experience
Associations and certifications
  • FreeAgent Gold Partner
  • Sage Certified Partner
  • Xero Certified Advisor
What people say
5 star rated Impossible to overstate quality Recommend highly Peace of mind Expert service
Services
Accounting Services
Our accounting services provide accurate year-end accounts and tax mitigation advice for limited companies and partnerships. We deliver timely filings at Companies House while offering strategic tax planning opportunities. Clients receive cloud accounting software options and fixed pricing with no unexpected charges.
Cloud Accounting
Cloud accounting solutions with FreeAgent, Sage, and Xero enable real-time financial management. We provide HMRC-compliant software integration, digital record-keeping, and quarterly reporting support. Clients benefit from secure bank feeds and mobile access to financial data.
Bookkeeping
Customised bookkeeping services include VAT calculations, debtors/creditors lists, and management accounts. We handle receipt organisation and financial reconciliation for fixed fees, ensuring accurate records that reduce year-end accountancy costs.
Self Assessment
We complete Self Assessment tax returns for sole traders and partnerships, ensuring legal compliance and identifying tax-saving opportunities. Our service includes document sorting, accurate form completion, and HMRC submission for fixed fees.
Payroll Services
Full payroll management services handle RTI compliance, payslip generation, and HMRC submissions. We offer cost-effective solutions for businesses with 1-100 employees, including tax deduction calculations and payment schedule management.
People
Isabella Callaghan
Accountant
With over 25 years' experience, Isabella leads our Sheffield team as a Xero-certified advisor. She specialises in SME accounting solutions and has maintained long-term client relationships since joining in 1996.
Questions
What accounting software options do you support?
We support HMRC-compliant cloud platforms including FreeAgent, Sage, and Xero, with expert setup and training included in our services.
Are your fees fixed or hourly charged?
All services are offered at agreed fixed fees with no hidden extras, including unlimited advice and support.
How do you help with Making Tax Digital compliance?
We provide HMRC-approved software integration, digital record-keeping guidance, and quarterly reporting assistance to ensure smooth MTD transitions.
What experience do you have with small businesses?
Since 1996, we've served Sheffield SMEs including startups, sole traders, and limited companies across various industries.
Do you offer tax investigation protection?
Yes, all clients receive free tax investigation cover up to £100,000, protecting against professional fees during HMRC audits.
Can you handle payroll for growing businesses?
Our scalable payroll service manages 1-100 employees with RTI compliance, payslip generation, and payment schedule management.