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Interactive invoicing for your Small Business

Uniwor is the initiative, we took once we saw this barrier, which prevented most Freelancers and Small Businesses from using existing invoicing/accounting SAAS applications in the market. Struggling to keep up with monthly or annual fixed subscription based pricing was the main issue that they had. We saw that unique need for an invoicing/accounting SAAS application with a better pricing structure. That's how we came up with this brilliant idea to charge users in a Pay-per-Use + Subscription manner. Uniwor was specially crafted to catch up with finances of Freelancers and Small Businesses out there.


We are dedicated to provide you the best.

Web Development

You might have a great idea, and having a hard time thinking about how to implement it. Tell us about your idea we'll make sure that it is executed.

Responsive Design

World is moving fast, You need to keep up with it. That's why we make your web reachable from any device people might have.

Web Security

People likes to be secure always. So why make your users worry about how secure your web is. Let us worry about that.


Awesome stuff we have done.


Web Application


Web Application

Business Unit Execution

Website Design


Web Application


Web Application


Our journey so far.

  • 2014 - 2015

    Our Humble Beginnings

    We started our journey as a web development outsourcing company and then we had few clients from US to get started with. Almost all of them were through Fiverr, which is a famous service where you can sell what ever you can think of.

  • March 2015

    Birth of LONGWApps

    Going forward we decided to establish a legal name in the country. Even before we start our Founder & CEO, Upul had this awesome name in his mind, LONGWApps (Leader Of Next Genaration Web Apps)

  • Nov 2015

    Say Hi to WebInvoiceMaker

    We started to think that just provoding web development outsourcing services will not make us great. That is when we decided to make a move on WebInvoiceMaker.

  • Feb 2016

    Breaking Limits

    With the current situation in Sri Lanka we had no chance of getting a payment gateway established for our product. So finally we decided to incorporate in US as LONGWApps LLC.

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