Mutuku, Morrison Kaunda2015-04-142015-04-142015-03International Journal of Education and Research Vol. 3 No. 3 March 2015http://ir-library.ku.ac.ke/handle/123456789/12484Journal articleSelling and buying through electronic media is one of the fastest growing methods of trading worldwide. Organizations are engaging in Business to business (B2B) trading where companies trade and exchange information using the World Wide Web. Organizations and consumers are transacting through Business to consumer (B2C) or Consumer to Consumer (C2C) where companies deal directly with customers through electronic media. This study sought to determine the effect of e-commerce on business profitability in the communication sector. The population of the study was 218 firms as listed by CCK. The data was gathered using a questionnaire and this analyzed using a combination of descriptive, inferential and relational statistics. The findings of the study indicate that e-commerce leads to an increase in turnover and customers which ultimately leads to an increase in profitability. Further the studies pointed out that focus on having an online presence, online lead generation and online sales led to increased business profitability. This information is useful to both the Government and businesses keen on adopting e-commerce. The study further recommends faster adoption of 4G networks and also laying of sea cables to make internet charges competitive and affordable to both businesses and consumers.enCompetitive AdvantageOnline SalesConsumer to ConsumerBusiness to ConsumerBusiness to BusinessCommunication SectorProfitabilityE-CommerceArticle