4square logic it solutions is an iso: 9001:2015 certified for ui/ ux app development, mobile/web applications development, e-commerce services, digital marketing, seo and industrial training. we are expertise in android, ios, blackberry, window, and web framework, asp.net, php, larval, cake php, word press development. we have 300+ clients across worldwide. we are work with hard work, high spirit, dedication and support of each other. all the team has highly experienced and their own initiates to perform fantastic job. the head office is located at jalandhar and branch office is at mohali. our major services are mention below: mobile application services • android application development • iphone & ipad application development • node.js, angular, vue.js, python, kotlin, java,swift • blackberry/window application development website services • node.js, angular, vue.js, python, kotlin, java • asp .net, c#, vb.net, ms sql server, sql lite, mvc and devexpress • php, my sql, laravel, codeignitor, cakephp and wordpress • webdesigning, html5, css, jquery, bootstrap and ajax • ecommerce development digital marketing • search engine optimization • local seo services • social media marketing • ppc campaigns management • online reputation management • face book campaigns management • bing campaigns management • google ad words certified company • lead generation • content writing