Hello Sir,
As per my understanding, you need a software to manage your sales and purchases. You also want to perform your P&L. I am already working on similar stuff. I can customize it for you.
Relevant Skills and Experience
Java, Spring, Hibernate, HTML5, CSS, PHP, Laraval, Wordpress, Camel, XML, XLS, Servicemix, JBoss, Tomcat, Maven, Ant, Teamcity etc.
Proposed Milestones
£250 GBP - We can discuss it later.
Please chat with me to discuss time and budget and also let me know additional requirements if any.