Diagtech  is an IT company in the USA that provides a wide array of IT services for SMEs as well as large enterprises. Our team of proficient website developers use the latest technologies and proven strategies to create user-engaging business websites & dynamic web applications to enhance customer reach. Hire website developers from us to establish a strong online presence that will pave your path toward success.

Top Web Development Agency

Our experienced website developers use latest technology to craft spectacular business websites. We also build custom themes and plugins to develop advanced web applications. You will be in full control of your website and can easily manage its content and features – be it in the form of text, images, multimedia, or other types of data. As a leading website development agency in the USA, we have delivered hundreds of custom  websites for various business across the globe. 

Comprehensive Web Development Services

Create a Business Website with the Top Web Development Agency

As the top web development agency in the USA, we build SEO friendly, mobile responsive business websites precisely tailored to your requirement. We provide all round services in designing, developing and maintaining an effective web presence for your business. You can select the most appropriate web development services that are applicable to your needs from the ones mentioned below. In case you are not sure how to make the right choice, get in touch with us and we can help you understand technical aspects for the scope of work and also provide a relevant cost estimate.

Small Business Website

When you just launch a startup, developing a website may seem to be an extravagance. Let us tell you, a website is an integral part of your business in today’s digital age. The fierce competition in the market demands you to build a stunning digital touchpoint from the very beginning. We conduct thorough research about your business niche, identify challenges and opportunities to develop a strategic plan that guides the creation of an attractive website. Depending on your requirement, we can create a single-page application (SPA) or multi-page website.

eCommerce Website Design

Converting casual online buyers into loyal customers – that’s what you want as an online retailer. Rated as the top web designers in India, we can build an optimised online store using popular platforms and frameworks. You can choose from various CMS options (Shopify, BigCommerce, Magento, OpenCart, WordPress) or extensive custom programming for shopping cart development as per your requirements. We also provide services for developing impressive Marketplace, both B2B & B2C Structures.

Web Application Development

An interactive web application readily amplifies user engagement. Our user-centred web apps are feature-rich, intuitive, and perform exceedingly well. We craft your web destination with a clear view of the business goal and ensure that it supports the user-journey. The responsive web applications produce a seamless omnichannel experience on cross-devices. Our web apps have rich UI/UX, normalized database, and robust frameworks to offer an optimum performance.

Corporate Website Design

High-end professionalism, impressive User Interface, easy accessibility - a corporate website has to reflect everything. Don’t get overwhelmed as we are here to assist. As a trusted web design agency, we craft innovative and secure websites for large enterprises all around the world. Adept with technical skill, an extensive experience, consistent communication with the client, and attention to every detail, we ensure a quality service within a quick turnaround time.


With advanced tech expertise, we can engineer industry-standard web solutions for your business. If you need any of the above services, feel free to contact us.

Our Range of Web Development Services

Custom Web Development

Depending on your business requirements, we can help you develop WordPress websites that seamlessly work on cross devices and browsers. Interactive UI/UX to increase functionalities.

Ecommerce Solution

We can integrate WooCommerce on your website to craft an online store for your business. We will also include relevant features and plugins to develop a powerful and user-friendly eCommerce site.

Feature Enhancement

We will extend the features and functionality of your website by integrating third-party APIs for social media, map, payment, video call, SMS & email marketing, analytics, etc.

Speed Optimization

Our WordPress Speed Optimization services include removing unnecessary scripts, efficient cache policies, image optimization, and avoiding excessive DOM sizes. We ensure your website delivers great user experience and enhanced SERP ranks.

Migration to WordPress

We can help in migrating an existing website from any other CMS to WordPress. We adopt adequate measures to prevent issues like loss of useful features and data during migration.

Support and Maintenance

Count on our experts for regular website maintenance, bug fixing, version updates, and uninterrupted support tailored to your business requirements. We will keep your site trendy and user-friendly at all times.

Benefits of Our Web Development Services

Easy Interface

WordPress is perfect for non-technical writers and editors. It comes with a WYSIWYG or What You See is What You Get interface. So you can visualize the end-result even during the development process and manipulate the layout without typing layout commands.


With a majority of users preferring the use of smartphones and tablets over traditional desktop devices, our WordPress designers build mobile responsive websites using highly optimized code and premium plugins to ensure your website does not lose customers over usability issues.

SEO Friendly

To ensure your website ranks higher on Search Engine Result Pages (SERPs), our expert WordPress developers use SEO-friendly coding architecture and premium plugins like "Yoast SEO" or "All in One SEO" or "Rank Maths".

Greatly Customizable

Developers can create user-friendly layouts in WordPress by adding features like event calendars, live Twitter feeds, and image galleries. They can also integrate tools like OptinMonster to grow email subscribers, Google Analytics to track users, and Yoast SEO to make the website search engine friendly.


There are several paid and free options to invest in a secured WordPress template. Devs can use several plugins and themes to restrict WordPress websites from malware, DDoS attack, SQL injection, cross-site scripting, etc.

Low Maintenance Cost

With less set-up, customization, and maintenance cost, WordPress is an affordable CMS.

A Glance of Our Works

As an expert IT company, we customized solutions to global clients. Our data and result driving SEO strategies help your website rank on google and this enable people to find your website organically combining keyword search and good content.


Happy Clients


Team Members




Years of Experience

We Create Websites For Various Industries

Logistics & Transportation

Travel & Tourism


Hospitality & Entertainment

Education & Elearning

Tech & Consultancy


Real Estate