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WinCore
Professional Service

Income Tax Services

Expert tax filing and compliance for Sri Lankan businesses

Navigate Sri Lankan tax regulations with confidence. Our expert team handles all your tax obligations including RAMIS filing, APIT, SET calculations, and ongoing compliance management.

Sri Lanka delivery pods typically reduce finance, payroll, and CX operating spend by 40–60% versus hiring onshore teams.

Every proposal benchmarks your current costs, models Colombo-based savings, and includes IFRS, RAMIS, and EPF/ETF controls with 24/5 coverage.

Starting from LKR 15,000 per return2-7 days per filing
Regulatory readiness
ISO-aligned controls
Transition support
Dedicated Colombo squad
Engagement model
Consultation-first
Availability
Business-hours + on-call
What's Included

Comprehensive Service Features

Everything you need for professional service delivery with no hidden costs or surprises.

Corporate Income Tax Filing

Complete corporate tax return preparation and RAMIS system filing.

APIT (Advanced Personal Income Tax)

Personal income tax calculations and filing for individuals.

SET (Statement of Estimated Tax)

Quarterly estimated tax calculations and submissions.

RAMIS System Support

Full support for Revenue Administration Management Information System.

Tax Planning & Advisory

Strategic tax planning to minimize tax liability legally.

VAT Registration & Filing

Value Added Tax registration and monthly return filing.

Withholding Tax Management

WHT calculations, deductions, and remittance handling.

Tax Audit Support

Representation and support during tax audits and investigations.

Compliance Monitoring

Ongoing monitoring of tax obligations and deadline management.

Our Process

How We Work With You

Our streamlined workflow keeps projects on schedule, transparent, and measurable for every stakeholder.

1Tax AssessmentTap to expand

Review your financial records and identify tax obligations.

1-2 days

2Return PreparationTap to expand

Prepare accurate tax returns with supporting documentation.

3-5 days

3Review & VerificationTap to expand

Thorough review to ensure accuracy and compliance.

1 day

4Electronic FilingTap to expand

Submit returns through RAMIS system and obtain confirmations.

1 day

Key Benefits

Why partners choose WinCore

Experience the advantages of working with Sri Lanka's leading professional service provider.

Expert knowledge of Sri Lankan tax laws and regulations
Accurate calculations to minimize tax liability legally
Timely filing to avoid penalties and interest charges
RAMIS system expertise for smooth electronic filing
Ongoing tax planning to optimize your tax position
Professional representation during tax audits
Regular updates on changing tax regulations
Peace of mind with compliant tax management
Client Success Stories

What our clients say

Win Core handles all our tax filings professionally. Their RAMIS expertise saved us from penalties and they always file on time. Excellent service!
Nimal Gunasekara
Export Trading Co.
Complex tax situations made simple. They helped us with corporate tax, VAT, and employee tax matters. Very knowledgeable team.
Priya Wickramasinghe
Tech Solutions Lanka

Get Expert Tax Services

Ensure compliance and minimize tax liability with professional support

Income Tax Services Sri Lanka | RAMIS Filing | Win Core | WinCore BPO Sri Lanka