Symfony development services for future-proof web apps

Meet symfony development company that build well-thought-out, optimized & scalable web products for startups and enterprises.

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Want to build a great product on Symfony, or...

SaaS? Marketplace? API? Symfony framework will be a great choice for almost every type of web application. How do we know? In the last 13 years we delivered 100+ projects on Symfony for various industries. From AI-driven health tech startups to safety management tools for the oil industry. We've been there, and seen how these products grow on the shoulders of Symfony framework.

Symfony makes web application development easier, but it requires experience to build really future-proof products. That is why our Symfony development services focus on:

...improve your existing Symfony web app?

Web applications after the initial stages of software development & commercialization face similar challenges. A fast-paced environment leads to imperfect engineering.

With our web development services, we specialize in enhancing existing PHP & JavaScript web applications, bringing them back to technical health and improving user experience. This requires legacy code refactoring and migration to Symfony or another modern PHP framework. Through our work on code improvements, architecture redesign & cloud infrastructure we help customers:

  • Performance

    Optimizing web application performance

  • Scale

    Software scalability and cloud infrastructure

  • Tech dilligence

    Optimizing web development costs and cost-effective maintenance

  • Gear

    Maintenance and web app reliability

  • Calendar

    Reducing time to market for new features and bug fixes

  • Ux-ui

    Improving usability & user experience

  • Audit

    Testing and ensuring web security

  • Read more
Top Symfony developers

Let our best Symfony developers help you!

With Certified Symfony developers on board and almost a decade of development in the Symfony framework since its early days - we know Symfony by heart!

Providing Symfony development services since the year 2010, when we were among the first web development companies from Poland focused on this PHP framework. From startups to enterprise Symfony projects - in the last 13 years our Symfony developers built or improved over 100 web apps for customers from around the world including USA, UK, EU & UAE.

Scaling web products, redesigning web app architecture, legacy code refactoring... it's not a junior's job. These tasks require top Symfony development services. That is why our software development team consists mostly of experienced Symfony developers with an average of 7 years of experience in Symfony development services.

Top App Modernization Service Clutch Poland 2023
Average rating
4 . 8


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    13 years in the PHP development market

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    100+ Symfony applications built or improved

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    7 years avg. Symfony developer experience

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    Certified Symfony Developers on board

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    University program for PHP developers

Software craftsmanship

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    Clean code principles

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    Peer code reviews

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    Modular and extensible architecture

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    Test-driven development

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Symfony web development

Why do we love Symfony PHP framework?

Symfony is a versatile, reliable and mature PHP framework. Used to build web products of all kinds. From small websites to high-performance complex web applications. Symfony development is a great choice for a startup MVP app, but also a robust and reliable solution for an enterprise-level application. Symfony is also one of the most popular frameworks in the open-source community. Community, that is always ready to share knowledge, expertise and guidelines.

And of course, we love Symfony because we grew up together. Need help with Symfony? Hire Symfony developers that know it by heart!

Symfony has everything I expect from a modern framework. It is fast, flexible and provides reusable components. Supported by a great open-source community that builds the future of Symfony development. I appreciate it as a CTO and as a Symfony developer myself.
Michał Kurzeja
Michał Kurzeja
Accesto CTO

Great products developed with Symfony

  • Google

    Google uses Symfony components in its APIs client library and Google Cloud Platform SDK.

  • Facebook

    Facebook Ads API and Instant Articles SDK are built with the use of Symfony components.

  • Drupal

    Drupal is an open-source software maintained and developed by a community of 1,000,000+ users and developers.

  • Magento

    Magento offers flexible, scalable eCommerce solutions designed to help you grow and succeed online.

Benefits of Symfony framework

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    Symfony PHP framework was launched in 2005 and quickly adopted by professionals in the field of software development around the world. Today it is a mature, stable and well-known PHP framework recognized internationally. With an active community of Symfony developers, integrators, users and other contributors who actively participate in making it even better every day.

  • Performance

    Created by SensioLabs, the Symfony PHP framework was designed by professionals for professionals as a pragmatic tool which addresses the real-world requirements of every business and Symfony developer. Provides a great mix of long-term professional support from SensoLabs and the power of open source community with the best PHP developers around the world.

  • Thumbs up

    Dailymotion, Yahoo!, Drupal,,, phpBB... From intranets to major general public sites and social networks, hundreds of apps & websites globally trust and use Symfony PHP framework.

  • Bulb

    Symfony contributors seek continuous improvement in the productivity of PHP developers. Symfony community do not hesitate to innovate by seeking out ideas elsewhere and adapting to the PHP world. Like a dependency injection from the Java world or a “web debug toolbar” taken from other frameworks.

  • Diamond

    With Symfony, you will never be left on your own. You will find many publications dedicated to the Symfony framework as well as open-source projects and tutorials. With community support (forums, mailing lists, stack overflow) and company support (training, consulting), you will always find the right answers.

  • Group of dots

    Symfony was created with interoperability at heart and the idea of "Don’t lock yourself up within Symfony!". It is a complete PHP framework but it also allows you to use certain pieces of its software building blocks. Actually, is so interoperable that, it uses at its core third-party software itself.

Full Stack Software development services

Software development?
It is not just a Symfony!

From SQL databases (MySQL, PostgreSQL), NoSQL databases (Redis, Neo4j, Elasticsearch), and front-end development (Javascript, Angular, Vue) to cloud and DevOps (Docker, Kubernetes, Google Cloud, AWS).

Our Symfony development services are focused on scalable, future-proof web applications. Although Symfony is our core framework, as a full-stack development company we use a lot of other tools so you can get most of the technology.

  • PHP Logo
  • Symfony logo
  • MySQL logo
  • Javascript logo
  • Angular logo
  • Vue logo
  • kubernetes logo
  • AWS logo
  • Gogole Cloud logo
  • docker logo
  • Elasticsearch logo
  • Neo4j logo

We will also take care of


Clouds and

User interface






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About Accesto

Meet Symfony development company from Poland

We are a Polish web development company focused on improving existing PHP & JavaScript software. We fix, secure and optimize applications, to make them scalable & future-proof. For the past 13 years, we’ve focused on solving deep issues within existing SaaS products, and saw them flourish as the result. This gave us awards and recognition among the best web development companies.

Why Accesto?

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    Expertise in improving SaaS products and marketplace

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    13 years on the market 100+ products built or improved

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    High seniority level - 7 years of experience for the average Symfony developer

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    Focus on good, scalable architecture, clean & high-quality code

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    Battle-proven approach to working with existing PHP/Javascript software

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    Expertise in performance optimization and scaling web applications

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    Building high-quality products due to multi-level quality assurance and code review

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    Great products owning experience, released also 2 own successful startups

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    Providing full stack software development services, from ideation to ready product

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    Speakers at conferences (PHPCon, 4Developers, Boiling Frogs, PHPers Summit)

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    Undergraduate study programme on PHP with the University of Lower Silesia

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    Teaching & consulting other teams on how to improve their development

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    Certified Symfony developers on board

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    Working with clients around the world United States, Great Britain, the whole EU and UAE

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    Clients getting awards for products we create

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    Recognized among the best Symfony development companies in Poland

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    Average rating 4.8/5 from many reviews on


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    PM SaaS, Netherlands

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    PR SaaS, Dublin

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    HR platform, Germany

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    eCommerce experts, Poland

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    edu-tech platform, London

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    health-tech, California

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    marketplace, Poland

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    HR platform, Dubai

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    health & safety SaaS, Norway

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    aviation platform, Belgium


Listen to how we used Symfony to help them

"Placker would not be in the good shape it is in today without Accesto. They have been critical to the client's continuous growth and success. In addition to technical expertise, their communication and reliability are both top-notch. Their team takes a pragmatic approach to problem-solving."

Reinder Visser LinkedIn
CEO of Placker, Netherlands

"They have great attention to detail, adopting a methodology of continuous improvement. This helped to ensure quality throughout the life cycle of the project. An agile approach was also adopted to ensure that at each stage of the project, we were building a robust platform."

Shyam Visavadia
Shyam Visavadia LinkedIn
CEO of WorkPanda, Dubai

"Every milestone is completed before the deadline and meets exacting quality standards. Accesto's sophisticated business sense, transparent communication style, and friendly, collaborative attitude have remained consistent throughout the partnership."

Jack Murray
Jack Murray LinkedIn
CEO of MediaHQ, Ireland
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Case studies

See the Symfony apps we are proud of


Ongoing partnership since 2018

Project management SaaS from the Netherlands is used globally by 130k users. Our agile process of architecture refactoring reduced Placker’s maintenance and development time & effort by 40%. Recently a new module built in just 2 weeks made Placker win Atlassian’s Codegeist 2020 for the Best app for remote working.


Ongoing partnership since 2016

PR & media SaaS platform from Dublin, used by the Bank of Ireland and National Museum. For the 4 years of cooperation, we gradually reduced their technical debt by 87% converting their legacy software to highly scalable cloud applications. This resulted in a successful launch on the 12x larger UK market last year.


Ongoing partnership since 2016

E-commerce service that uses AI algorithms to advise on laptop purchases. Code & architecture tweaks enabled scaling from the Polish market to the UK & India - and soon also other countries. Reduced by 83% load times and redesigned usability improved conversion rate by 65% compared to the local version.

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Read our top Symfony development articles