TaxWise
Corporate Income Tax · Coming soon

CIT, built the same way: explainable, quarterly, and Sri Lankan-first.

For private companies up to Rs. 500M turnover. Quarterly installments, full reconciliation, capital allowances, PAYE and WHT, on one platform.

Private betaTargeted launch: July 2026, for Y/A 2026/2027 quarterly filings.
What's in v1

The scope for the first beta.

Resident companies

Private and limited liability companies incorporated under the Companies Act No. 7 of 2007.

Up to Rs. 500M turnover

Initial scope covers SMEs. Larger entities will be supported in a later release.

Standard 30% rate

Plus concessionary 14% for export-oriented and SME-defined entities under §82.

Quarterly self-assessment

April 15, August 15, November 15, February 15: installment estimates and reconciliations.

PAYE & WHT module

Monthly APIT, sub-contractor WHT (5%), interest WHT (5%), rent WHT (10%): generated and filed.

Capital allowances

First Schedule Class I–IV depreciation, with year-of-acquisition pro-rating.

Quarterly rhythm

A year of CIT, planned.

April 15
Q1 estimate

Pay first installment based on prior-year liability or current-year estimate.

August 15
Q2 estimate

Half-year reconciliation; revise estimate based on actual H1 performance.

November 15
Q3 estimate

Third installment. Refine estimate with three-quarter actuals.

February 15
Q4 estimate

Final installment for the Y/A. Working trial balance reconciliation begins.

Sept 30 (next year)
Annual return

Form A: final reconciliation, schedules, audit-trail PDF, supporting docs.

Join the beta

Be one of the first 50 companies.

We onboard in cohorts of ten. Tell us about yours and we'll be in touch within five business days.

We onboard cohorts of ten. You'll hear from us within five business days.