Top 20 PHP Development Companies in USA 

When it’s the serious engineering depth in your next PHP product development you’re looking for, TatvaSoft can be a good door to knock on. With 1,000+ professionals, they know how to handle scalability, process maturity, and reliable delivery need of larger businesses. Plus, their CMMI Level 3 rating boosts their client’s confidence where structure and quality control matter more than anything. So far they’ve earned solid reputation for custom PHP development, enterprise web applications, Laravel-style modern PHP builds, and Magento commerce.

• Custom PHP and enterprise web development
• Magento commerce
• Cloud engineering (AWS and Azure)
• QA and testing
• UI/UX
• Dedicated teams

• Finance and Insurance
• Retail and E-Commerce
• Healthcare
• Education
• Logistics
• Energy
• Travel
• Media
• Public Sector

• CMMI Level 3
• ISO 27001
• Microsoft Solutions Partner

Only factors are enough to establish Radixweb as a reliable name for PHP development – 25 years of software experience and a team of 650+ professionals. They’ve been serving US businesses in their full-cycle PHP projects where they have been amazed with Radixweb’s ability in modernizing legacy systems. Plus, they have shown significant performance in transforming monolithic applications into more scalable Laravel and Symfony architectures.

• Custom software and product engineering
• PHP (Laravel and Symfony) development
• Cloud-native and cloud transformation
• Legacy modernization
• API engineering
• AI and QA.

• Healthcare
• Fintech
• Insurance
• Retail & E-Commerce
• Manufacturing
• HR Tech
• Legal

• ISO 27001:2022
• Microsoft Solutions Partner

Is engineering scale the priority for your project? Count Simform as a strong option for that. They’ve supporting US startups and mid-market businesses with 1,000+ developers, especially ones that are looking to expand technical capacity faster. Though their reputation is mostly about cloud-native AWS development but their capabilities in PHP is also undeniable. So, if you’re looking up for building complex backend systems, scalable APIs, and high-performance application engines, Simform can work like a fine team.

• Product and platform engineering
• PHP backend development
• Cloud and DevOps (AWS and Azure)
• Data engineering
• AI and ML
• Team extension

• High-tech and software (ISVs)
• fintech
• healthcare and life sciences
• supply chain and logistics
• retail and e-commerce
• professional services

• AWS Premier Tier Partner (SaaS Competency)
• Azure Expert MSP
• CMMI Level 3

B2B PHP development is something that asks for teams that can bring in proper enterprise product experience. This is where Fingent passes with flying colors. With 500+ professionals, backed by strong management roots in the US, they’ve become pros in building custom web applications and PHP platforms that serve real operational needs. They’re mostly liked for how they combine business process automation, with secure system architecture without sacrificing compliance-focused development.

• Custom and enterprise PHP software
• B2B platforms
• Cloud-native and digital transformation
• ERP and SAP
• AI and RPA
• Data analytics

• Financial services
• real estate
• logistics
• healthcare
• manufacturing
• retail
• education
• media
• nonprofits

• ISO 27001:2013
• SAP Silver Partner

Appinventiv is a good option for PHP projects that can’t proceed without some serious engineering scale. Their team of 1,000+ engineers don’t only serve major US brands but also fast-growing startups. They’re not only good at PHP development. Appinventiv has showcased strong capability in cloud infrastructure and DevOps at the same time.

• Custom software and product engineering
• PHP web development
• Cloud-native and DevOps
• AI and ML and generative AI
• MVP development
• Enterprise modernization

• Fintech
• Healthcare
• Retail and E-Commerce
• Food and Beverage
• Logistics
• Education

• ISO 9001
• ISO 27001
• CMMI Level 3

When a company brings decades of IT consulting experience to the table, it’s hard to ignore their expertise. That’s the same case for ScienceSoft. Starting from 1989, their 750+ IT professionals so far ensured a strong presence in the US market. They’ve done significant PHP works in industries like healthcare, retail, and financial organizations. This proves they’re good in industries with critical security and regulatory compliance.

• Custom PHP and web development
• Secure portals
• Magento commerce
• Cloud and DevOps
• QA
• IT consulting

• Healthcare
• Banking and Finance
• Retail
• Manufacturing
• Telecom
• Education
• Energy

• ISO 9001
• ISO 27001
• ISO 13485

You’ll see tons of enterprise PHP projects where scale and brand experience equally matter. In such ones, Bounteous stands out as a solid choice as they build high-performance PHP architectures and come with impressive expertise in enterprise Drupal and complex CMS environments. They’ve so far helped major US brands by easing their large content ecosystem management, demanding integrations, and high traffic volume management.

• Enterprise Drupal development
• Digital experience platforms
• PHP architecture
• Cloud modernization

• Healthcare
• Financial Services
• Media
• Technology
• Travel
• Telecom
• Retail
• Manufacturing

• Not publicly listed

Tag1 doesn’t disappoint where failure is not an option for PHP work. Infrastructure engineering, performance optimization, security, and large-scale platform reliability – in these parts they have shown flawless performance. So, if your project demands for uptime, speed, and stability, Tag1 can surely serve.

• Drupal architecture
• Performance optimization
• Security and audits
• Enterprise migrations
• Infrastructure hardening
• Emergency support

• Government
• Media and Publishing
• Nonprofits
• Healthcare
• Technology

• Drupal Association certified migration
• Drupal 7 Extended Support partner

Lullabot is a prestigious US agency made up almost entirely of senior developers. It’s a go-to for large enterprise PHP and Drupal transformations, and it manages high-traffic sites for global publishers and government bodies. If you want senior-only Drupal expertise, this is it.

• Drupal strategy
• Design and development
• Content platforms
• Migrations
• Design systems

• Media and Publishing
• Government
• Higher Education
• Healthcare

• Drupal Gold Certified Partner

The reputation and Drupal expertise of Mediacurrent is built around open-source PHP platforms. Since 2007, they’ve been helping enterprise organizations across North America by designing, building, and improving complex digital platforms. The three core services they’ve been providing are full-cycle development, user experience design, and team augmentation.

• Drupal development
• Design systems and migrations
• Content strategy
• Hosting and support

• Healthcare
• Government
• Education
• Financial Services
• Nonprofits
• Technology

• Drupal Signature Supporting Partner.

If you hate outdated frontend experience and need enterprise PHP performance, you’re going to like Third and Grove a lot. The best thing about them is they know how to combine PHP frameworks with CMS architectures to get businesses maximum flexibility over content, commerce, and customer-facing channels.

• Drupal and PHP development
• Headless and decoupled architecture
• Frontend engineering
• Migrations

• Retail and e-Commerce
• Technology
• Media
• Enterprise

• Not publicly listed

Kanopi aims to help organizations in optimizing architecture, building custom extensions, and keeping complex websites stable. Their growth-driven approach doesn’t only focus on initial launch, but also continuous improvement across the full platform lifecycle. They’ve been contributing to industries like higher education, healthcare, nonprofits, and corporation.

• Drupal and WordPress development
• Custom modules and plugins
• Architecture optimization
• Ongoing support
• Accessibility
• UX

• Higher education
• Healthcare
• Nonprofits
• Corporate

• Not publicly listed.

Lots of businesses out there come with the need of specific PHP expertise, but they don’t want to expand their in-house team. For them, Chetu will sound like blessing. They have thousands of developers all over the globe, filled with dedicated PHP, Laravel, and Magento specialists. With a flexible staffing model, of course. So, companies looking for targeted skills and on-demand technical support, will find Chetu a good option.

• Dedicated PHP developers
• Laravel and Magento development
• Custom software
• Cloud migration, integrations, support

• Healthcare
• Finance
• Retail
• Supply Chain
• Hospitality
• Logistics

• AWS, Azure, and GCP certified partner.

Cyber-Duck (now part of CACI) earned their name for combining complex PHP engineering with strong user-experience design. And yes, they also include strict accessibility (WCAG) compliance. If to you, design quality is as important as backend, you’ll find this one quite compatible for your need.

• PHP and Drupal development
• Human-centered design
• UX and UI
• Accessibility
• Digital transformation

• Financial services
• Government
• Retail
• Healthcare
• Technology

• Not publicly listed

It’s nothing unusual for companies to focus seniority on development more than sheer team size. For those companies, Savas Labs will sound like a good deal. They’re mostly preferred for custom web applications with PHP and Symfony, decoupled React or Vue frontends. So, if you’re asking for thoughtful architecture, direct collaboration, and a custom-built platform, this might be the right door to knock.

• Custom PHP and Symfony development
• Drupal
• Decoupled React and Vue frontends
• Data and strategy

• Publishing
• Nonprofits
• Education
• Healthcare
• Business Services

• Pantheon Certified Partner

Promet Source is mostly know for bringing open-source PHP expertise to industries where nothing matters more than accessibility and security. This US tech firm doesn’t only develop and support web platforms for government agencies but also for education providers, and mid-market businesses. Lots of companies out there prefer sticking with strict technical or compliance requirements. For them, Promet Source ensures secure, standards-based code and strong accessibility practices.

• Drupal and WordPress development
• Accessibility (WCAG and ADA)
• Design and UX

• Government
• Education
• Nonprofits
• Mid-Market Corporate

• Acquia Certified Developers

Are you planning to make work web and mobile work as one system? Then you might find Mobindustry as an interesting pick. Their reputation revolves around their ability to deliver developer teams with strong experience in PHP web services and cross-platform mobile application development. So, if you’re looking for technical coverage and team flexibility at the same time, you’re going to get it here for sure.

• PHP web development
• Dedicated teams
• API and backend services
• Cross-platform mobile
• e-Commerce
• Support

• E-Commerce and Retail
• Finance
• Healthcare
• Logistics

• Not publicly listed

Not too many PHP application development companies USA know how to combine broad engineering coverage with a fully remote delivery model. Thankfully, Scopic knows the trick and that’s what they’ve been pulling off with their 250+ engineers where they support US businesses through custom PHP development. And yes, they’re good at cross-platform desktop and mobile engineering as well.

• Custom PHP development
• Web and desktop apps
• AWS cloud
• UX and UI
• Staff augmentation
• AI solutions

• Healthcare
• Finance
• Manufacturing
• Education
• Entertainment
• Real Estate

• Not publicly listed

It’s time to close the list another strong option – the SmartOSC. They’re perfect when you’re asking for a global partner for enterprise PHP commerce projects, they can just be it. They specialize in Magento, Adobe Commerce, and cloud-native web portals. Large commerce platforms prefer them the most who look for scalability, backend integration, and long-term performance.

• Magento and Adobe Commerce development
• Custom PHP portals
• Cloud-native web, integrations, & support

• Retail and e-Commerce
• Enterprise
• Technology

• Adobe Commerce (Magento) partner