Tax Systems Limited develops corporation tax and associated software for corporate and accountancy firms in the United Kingdom and Ireland. The company offers data management suite that provides accounts integration for import of statutory accounts; data entry for online data collection; and data extraction for automated data collection. It also provides compliance suite, which include Alphatax, an end to end enterprise corporation tax compliance software solution; Alphatag, a software that converts a word or excel document prepared for the statutory accounts to an iXBRL files in line with the latest taxonomies and ready for electronic filing to HMRC; Alphacat, a shelf reporting engine that facilitates submission obligations and simplifies the entire reporting process, such as data import, data validation, and review, as well as reporting and creating of required XML file for submission; and AlphaCbCR, a cloud-based solution, which manages the collection and aggregation of relevant data across each country within a global business by bringing various information into a single location. In addition, the company offers process management suite that provides a window into compliance processes, which offers deeper insight and enhanced collaboration, as well as enables control of the tax compliance lifecycle from data owner to tax specialist. Further, it provides compliance, professional, training, and support services. Tax Systems Limited was founded in 1991 and is headquartered in Staines-upon-Thames, United Kingdom with additional offices in Surrey, United Kingdom and Dublin, Ireland.