Abacus Data Systems, Inc (Abacus) is a software service provider. The company provides integrated technology solutions, resource tools, relevant content, coaching and managed services designed for small, medium and large size law firms. Its software products include AbacusLaw, Abacus Private Cloud, Abacus Balance and Abacus Billing. Abacus provides one stop-shop legal technology solutions that include technology readiness assessments, design, deployment, implementation and management of in office or virtual office law practice environments. The company also offers complementary back office support such as IT, billing and bookkeeping services. Abacus is headquartered in San Diego, California, the US.