Progress in Computing Applications Dwi Agus Diartono1, Yohanes Suhari2, Aji Supriyanto3 4 2 2015 http://www.dline.info/pca/fulltext/v4n2/v4n2_2.pdf The implementation of cluster-based SME e-commerce systems is a stage after analysis and design. However, although SEO could be operated and implemented, this stage cannot be regarded as perfect in fulfilling the development of information system. It is still too risky for the continuity of cluster-based e-commerce business in the future. It is because the lack of control, maintenance and development managements applied to e-commerce business with such cluster model. This study aims to develop a strategy for control, maintenance and development of cluster-based SME e-commerce so that the operation can run and grow continuously, the website materials or contents are updated, the stakeholders give more care, and it is stay safe, and SEO ranking continues to rise and occupy the main top range, thus, it is easy for customers to find. Control methods used include general control, e-commerce application control, controlling access to e-commerce systems, and administrative control with COSO approach. Maintenance methods are performed with preventive, corrective and perfective maintenances, with post-implementation development model using prototyping. The implementation of e-commerce Standards Operating and operating procedures is conducted so that e-commerce system control and maintenance is effective and reducing risk in its operations.