Abacus Corporation Tax
UK corporation tax return engine, incorporating market leading functionality.

Abacus Authorised Investment Fund
Software designed to handle Unit Trust and Open Ended Investment Company (OEIC) tax computations.

Abacus Investment Trust
Software designed to handle the tax computation for Investment Trusts.

Abacus Ireland
Easy-to-use software for Irish corporate tax compliance.

Abacus Life
The leading taxation software for Life assurance companies.

Abacus Petroleum Revenue Tax
Software designed specifically for companies with upstream oil and gas extraction activities.

Abacus Personal Tax
Personal tax return engine designed to cater for the most complex tax affairs.

Abacus Trust
Trust taxation return engine designed to cater for all types of trusts and estates.

Abacus VAT
Deloitte's Abacus VAT software is a new addition to the suite of Abacus solutions

AbacusOrganiser
A flexible web-based process and risk management tool integrated into the Abacus software suite.

P11D
Software to ease the reporting of expenses and benefits information.