CALCULO TAX AUDIT LIMITED Chartered Accountants

Name

CALCULO TAX AUDIT LIMITED Chartered Accountants

Legal name

Calculo Tax Audit Limited

Website

https://cta.ltd

Company type

Private

Founded year

1980

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Product category

Chartered Accountancy Services

NAICS

Offices of Certified Public Accountants (541211), Accounting, Tax Preparation, Bookkeeping, and Payroll Services (54121), Other Accounting Services (541219)

akta.pro industry

PRIMARYBPAHABAB

Tax Advisory & Compliance

Business & Public Services/Professional Services (Legal, Accounting, Consulting)/Accounting, Audit & Tax Services

SECONDARYBPAHABAF

Financial Reporting & Technical Accounting Advisory (GAAP/IFRS)

Business & Public Services/Professional Services (Legal, Accounting, Consulting)/Accounting, Audit & Tax Services

Keywords

• Chartered accountancy services
• Statutory audit assurance
• Tax advisory compliance
• Business advisory services
• Outsourced accounting payroll

Headquarters

HQ city

High Wycombe

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Professional Services - Audit and Assurance: Statutory audits, internal reviews, and specialist assurance projects for UK entities and subsidiaries of international groups. Provides compliance and value-added insights for decision-making.
2. Business Advisory Services: Strategic planning, profitability improvement, cashflow management, risk management, and succession planning for businesses of all sizes.
3. Taxation Services: Corporation tax, personal tax returns, VAT returns, tax planning, compliance, and advisory services including inheritance tax planning and capital gains tax for individuals and businesses.
4. Outsourced Accounting: Bookkeeping, payroll processing, VAT returns, management accounts, cashflow forecasting, and ongoing financial compliance management.
5. Employee Share Schemes: EMI schemes, growth shares, and share option plan setup, administration, and ongoing compliance including valuations.
6. Mergers and Acquisitions: Due diligence, valuations, financial assessments, tax implications management, and strategic advice through M&A transactions.
7. Company Secretarial: Company filing requirements, statutory compliance, and Companies House representation.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels7 records

Core offering

Calculo Tax Audit Limited is a UK chartered accountancy firm delivering audit and assurance, taxation, business advisory, outsourced accounting, company secretarial, employee share schemes, and mergers and acquisitions services. The firm serves entrepreneurs, family businesses, SMEs, fintech companies, construction firms, UK subsidiaries of international groups, and AIM-listed clients from offices in High Wycombe and Bicester. Services are delivered through direct professional engagement using modern cloud-based accounting technology.

Product overview

CALCULO TAX AUDIT LIMITED is a full-service chartered accountancy firm offering a comprehensive suite of professional services. The core offering consists of seven principal service lines: Audit and Assurance, Business Advisory, Company Secretarial, Employee Share Schemes, Mergers and Acquisitions, Outsourced Accounting, and Taxation Services. These are complemented by digital tools including Financial Calculators and a Dates and Deadlines resource. The firm serves diverse sectors including entrepreneurs, family businesses, fintech companies, construction firms, and UK subsidiaries of international groups. Services are delivered through two offices in High Wycombe and Bicester.

Differentiator

Problem solved

Functional benefit

Products and services

• Audit and Assurance

Quantifiable outcome

• Annual accounts published within 2-3 months of year end for AIM-listed clients

Named customers5 records

Segments7 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators2 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Mazars UK: International mid-tier accountancy firm with full UK presence offering audit, tax, and advisory services to owner-managed businesses and subsidiaries of international groups. Competes for the same SME/AIM segment but at significantly larger scale.
• BDO UK: Top-5 UK accountancy firm with broad audit, tax, and advisory services across owner-managed businesses, AIM-listed companies, and international subsidiaries. Overlaps Calculo's full-service offering but serves much larger and more complex clients.

Direct peers

• Crowe UK: Top-10 UK accountancy and advisory firm serving SMEs, AIM-listed companies, and subsidiaries of international groups. Comparable in audit, tax, and outsourced finance services targeting similar segments including construction and fintech.
• MHA MacIntyre Hudson: UK mid-tier chartered accountancy firm offering audit, tax, and advisory to SMEs, family businesses, and AIM-listed clients across regional offices. Closest direct comparable to Calculo in service mix, client segments, and relationship-led model, but at materially larger scale.
• Azets UK: UK regional chartered accountancy formed via consolidation of multiple firms, serving SMEs and owner-managed businesses with audit, tax, and outsourced accounting. Direct regional competitor to Calculo with similar full-service and sector positioning.
• Moore Kingston Smith: London and South East-based chartered accountancy serving owner-managed businesses, family businesses, and not-for-profits. Overlaps Calculo's SME and family business focus with a comparable full-service offering, though with deeper specialisms and larger headcount.
• PKF Smith Cooper: UK chartered accountancy firm with regional offices serving SMEs, family businesses, and AIM-listed clients. Comparable in service breadth (audit, tax, advisory, outsourced finance) and segment focus, particularly outside London.
• RSM UK: Mid-tier UK accounting firm with strong audit, tax, and advisory practices serving AIM-listed and mid-market companies. Overlaps Calculo in outsourced accounting and audit support for listed and international subsidiary clients.

Regional players

• Bishop Fleming: South West and South East England chartered accountancy firm serving SMEs, family businesses, and owner-managed clients. Comparable in service mix and relationship-led delivery, but with primary footprint in different regional markets.
• Mercer & Hole: Buckinghamshire-based chartered accountancy firm serving owner-managed businesses, family businesses, and AIM-listed clients across the Home Counties. Direct regional peer with overlapping Buckinghamshire catchment and comparable service lines.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/calculo-tax-audit-limited
• Instagraminstagram.com/calculotaxaudit

Revenue estimate

Valuation estimate

Number of profiles

Profiles14 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about CALCULO TAX AUDIT LIMITED Chartered Accountants