Sinu | 685 followers on LinkedIn. Sinu is an IT managed service provider (MSP) delivering all-inclusive, fully integrated technology management and IT support for small business and nonprofits. Sinu IT service delivers unrivalled functionality, features and support at a fixed cost with an average savings of over 60%. Sinu achieves these improvements by escaping the cycle of redundant custom network and hardware solutions traditionally developed for small businesses and nonprofits.