Income Tax Services in Sri Lanka for Individuals, Businesses & Corporates
Finzdox Accounting provides professional income tax services in Sri Lanka for individuals, SMEs, corporates, and growing businesses that need accurate tax computations, filing support, deduction reviews, and Inland Revenue compliance. Our experienced team helps clients manage taxable income, allowable deductions, PAYE obligations, quarterly advance payments, and annual tax returns with greater accuracy and confidence.
Trusted by 500+ Sri Lankan Businesses
20+ Years Income Tax Services & Compliance Expertise in Sri Lanka
File your income tax returns accurately and on time with professional tax support. Finzdox Accounting provides income tax services to individuals and businesses across Sri Lanka, ensuring accurate tax calculations, proper documentation, and compliance with Inland Revenue requirements.
Professional Income Tax Services You Can Rely On
Income tax compliance in Sri Lanka requires accurate calculation of taxable income, proper documentation of allowable deductions, and timely filing of returns with the Inland Revenue Department. Professional tax services ensure individuals and businesses meet PAYE, quarterly advance tax, and annual return obligations while maximising legitimate reliefs and avoiding penalties.
Finzdox Accounting provides income tax services in Sri Lanka for taxpayers who need reliable support with tax computations, deduction reviews, filing preparation, and compliance monitoring. From employment income and business profits to rental income and investment returns, we help Sri Lankan taxpayers manage complex tax responsibilities with structured professional support.
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Our Income Tax Services Include
Individual Income Tax Support
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Employment income tax calculations (PAYE)
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Professional fees and self-employment income
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Rental income and investment returns taxation
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Capital gains tax on property and share disposals
Business Income Tax Services
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Corporate income tax computation and filing
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Partnership and sole trader business profits
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Manufacturing, trading, and service income taxation
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Export income exemptions and relief claims
Tax Deduction & Relief Reviews
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Allowable business expenses documentation
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Employee expense claims and reliefs
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Depreciation and capital allowance calculations
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Tax credits and relief entitlement assessment
Quarterly Advance Tax Management
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Quarterly advance payment calculations
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Payment scheduling and Inland Revenue remittance
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Advance tax adjustment against final liability
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Extension applications where applicable
Annual Tax Return Filing
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Individual Form 1 and Business Form 3 preparation
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Supporting schedules and computation sheets
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Electronic filing through the IRD e-filing system
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Extension applications and late filing support
Tax Correspondence & Reviews
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Inland Revenue query response preparation
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Tax assessment objection support
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Penalty and interest waiver applications
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Tax audit file preparation and representation
Types of Taxpayers We Support
Finzdox provides income tax services for:
Individuals & Professionals
SMEs & Family Businesses
Manufacturing Companies
Trading & Retail Businesses
Hospitality Establishments
Educational Institutions
Property Investors
Export Businesses
Why Professional Income Tax Services Benefit Sri Lankan Taxpayers
Avoids Penalties
Timely, accurate filings prevent IRD fines and interest charges
Maximizes Reliefs
Proper deduction documentation reduces legitimate tax liability
Ensures Compliance
Structured support meets all Inland Revenue requirements
Reduces Stress
Professional handling eliminates tax season complexity
Protects Records
Complete documentation prepared for tax reviews and audits
Supports Planning
Clear tax position enables better financial planning
Our Income Tax Process
Clear steps for accurate tax compliance:
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Income & Expense Review
Complete financial documentation assessment
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Tax Computation Preparation
Taxable income and deduction calculations
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Advance Tax Planning
Quarterly payment scheduling and optimisation
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Return Preparation
Form completion with supporting schedules
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Filing & Follow-up
IRD submission and confirmation tracking
Frequently Asked Questions
What types of income do you handle for tax?
Employment income, business profits, rental income, investment returns, and capital gains.
When are quarterly advance tax payments due?
15th August, 15th November, 15th February, 15th May each year.
What is the individual income tax-free threshold?
Rs. 3,000,000 annual income (subject to latest IRD rates).
Do you help with tax penalty waivers?
Yes, we support applications for penalty relief where late filing was unavoidable.
Can you represent clients during tax reviews?
Yes, complete audit file preparation and IRD correspondence support available.
What documents are needed for business tax filing?
Financial statements, sales records, expense documentation, and bank statements.
Get Professional Income Tax Support That Protects You
Ready for income tax services in Sri Lanka that ensure accurate calculations, proper documentation, and Inland Revenue compliance? Finzdox Accounting provides complete tax computation, filing, and compliance support for Sri Lankan individuals and businesses.