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Home Software Developers Symfony United States Seattle

Top Symfony Development Companies in Seattle

Ratings Updated: May 24, 2026
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2 Leaders 2 Contenders

4 Companies

Country: United States
State: Washington
City: Seattle
Frameworks and CMS: Symfony

List of the Top Seattle Symfony Developers

  • Slashdev Logotype

    5.0 18 reviews
    Verified
    $5,000+
    $50 - $99 / hr
    10 - 49
    Seattle, WA

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +4
    10% AI Development
    10% Blockchain
    10% E-Commerce Development
    10% IT Staff Augmentation

    Focus Areas

    11% Symfony
    12% Laravel
    11% Angular +6
    11% NodeJS
    11% React
    11% React Native
    11% Ruby on Rails
    11% Spring MVC
    11% VueJS

    Slashdev is a web development company focusing on custom website and web application development. The reviews highlight their effective project management and technical proficiency, with 100% of reviewers praising their ability to deliver solutions on time. Additionally, 50% of reviewers mention their strong communication and partnership approach. While they excel in flexibility and technical execution, some feedback suggests room for improvement in early planning stages.

    See all 18 projects

    Reviews mention Transparent

    Client feedback highlights a strong sentiment of transparency when working with Slashdev. One client noted the absence of gatekeeping, allowing direct communication with developers, which significantly enhanced accountability and reduced misinterpretation. Another client emphasized their 'impeccable' attention to detail and transparency. Overall, clients appreciate the clear communication and access to resources, which fosters a collaborative environment conducive to project success.
    • Custom Software Dev for Luxury Footwear & Apparel Retailer
      5.0 Jun 1, 2022

      The company demonstrates an impressive level of care and attention to detail. Their transparency is impeccable, ensuring that clients are well-informed throughout the project. This approach fosters trust and confidence in their ability to deliver results.

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    • Web Development Services for Education Company
      5.0 May 19, 2025

      Project management was lean and effective. Michael was consistently attentive and quick to internalize requirements, and his updates were clear without adding process for process’s sake. We chose to manage most of the project ourselves, and Slashdev adapted seamlessly - no ticket-wall, no layers to wade through. We had direct, unfettered access to the developers, which let us iterate quickly and keep momentum. Milestones were delivered on or ahead of schedule, and when scope shifted, they flagged trade-offs early and helped re-prioritize so critical dates stayed intact. Response times were strong (same day for routine items; near-immediate for urgent issues), and they were proactive about risks and handoffs. The net effect: work got done, on time, with minimal ceremony.

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    • Web Development Services for Education Company
      5.0 May 19, 2025

      What stood out most is their no-gatekeeping model. Slashdev let us manage resources directly and never walled us off from the engineers doing the work. We set direction, spoke to developers in real time, and iterated fast - which is essential for a complex learning platform like ours. After dealing with the “PM → dev lead → dev → new dev” blame-game with our prior vendor, this level of transparency and access was a breath of fresh air. It eliminated misinterpretation, cut cycle time, and kept accountability crystal clear.

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    View projects from:

    England (4) United States (3) Sweden (2) Armenia (1) Brazil (1) Canada (1) Greece (1)
    1 of 1 Seattle-based review is 5 stars
    Unknown avg. project cost for Web Development services in Seattle

    Web Development project highlight

    Web Service & Web App Dev & Design for Storage Solutions Co

    5.0 — Slashdev provides development and design services for a storage solutions company. The team has created a web service, integrated it with the client's property management system, and built a web Read more
    Read Similar Reviews

    Review Rating from Clients

    5.0/5.0

    Quality

    5.0

    Schedule

    5.0

    Cost

    5.0

    Willing to Refer

    5.0

    Washington-based clients praise Slashdev for their expertise in custom software development, including web services and internal apps, with successful projects in the travel and storage sectors. They highlight the team's professionalism, timely delivery, and cost-effective solutions, demonstrating strong technical skills and adaptability in complex projects.
    Read Local Reviews
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  • Black Antelope Logotype

    4.9 21 reviews
    $25,000+
    $100 - $149 / hr
    2 - 9
    Edmonds, WA

    Services provided

    25% Web Development
    15% Custom Software Development
    15% E-Commerce Development +4
    15% UX/UI Design
    10% Low/No Code Development
    10% Product Design
    10% Web Design

    Focus Areas

    17% Symfony
    17% Angular
    17% Laravel +3
    17% React
    17% VueJS
    15% NodeJS

    Black Antelope is a digital design and development agency specializing in Website Development, Web Design, and Custom Website Development. Their clients commend their excellent project management and communication skills, with a consistent 100% positive feedback on timely delivery and responsiveness. Notably, 90% of reviewers highlight their ability to understand and implement client visions, while 70% appreciate their budget-friendly pricing and value for cost.

    See all 21 projects

    Industry Experience

    Black Antelope has garnered positive feedback across various industries, particularly in Education, Research, eCommerce, and IT Services. Clients commend their expertise in web design, development, and user experience, highlighting on-time delivery and effective communication. In Education, they excel in creating user-friendly platforms for academic programs. In Research, they’ve built interactive databases and microsites. Their work in eCommerce has helped businesses establish successful online stores, while their contributions to IT Services demonstrate strong technical capabilities. Overall, their impact is significant, making them a suitable choice for clients in these sectors.

    Read All Reviews

    Select Industry to see insights

    eCommerce Research Education Other Industry IT Services Arts, entertainment & music Nonprofit

    Average Project Cost Breakdown

    $10,000 to $49,000 (11) Less than $10,000 (3) $50,000 to $199,999 (2)

    What Clients Have Said

    Clients consistently praise Black Antelope for their competitive pricing and excellent value for money. For instance, one client noted that the pricing fit their budget and highlighted the company's alignment with their values, while another emphasized the good value for cost and positive outcomes from their projects. Overall, feedback indicates satisfaction with the affordability of services relative to the quality delivered, reinforcing the company's reputation for providing value in their offerings.
    Read All Reviews

    View projects from:

    United States (20) France (1)
    2 of 2 Seattle-based reviews are 5 stars
    $50,000 – $199,999 avg. project cost for Web Development services in Seattle

    Seattle-based Web Development project highlight

    Web & E-Commerce Development for Educational Institution

    5.0 — An educational institution has hired Black Antelope to build a sub-site for their community programs. They're also tasked with building an e-commerce system and APIs for existing data systems. Read more
    Read Similar Reviews
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  • MindSing Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    2 - 9
    Seattle, WA

    Services provided

    25% Web Development
    25% Digital Strategy
    15% E-Commerce Development +4
    15% Web Design
    10% UX/UI Design
    5% Business Consulting
    5% Content Writing Services

    Focus Areas

    33% Symfony
    34% Laravel
    33% NodeJS

    Digital Strategy company MindSing is in Seattle, Washington. They focus on Digital Strategy and Web Development and were launched in 2010.

    Read more
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  • ORCA DESIGN GROUP, LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Gig Harbor, WA

    Services provided

    15% Web Development
    25% Advertising
    25% Other Digital Marketing +2
    25% Web Design
    10% AR/VR Development

    Focus Areas

    25% Symfony
    25% Oracle Application Development Framework
    25% VueJS +1
    25% Zend PHP

    Advertising company ORCA DESIGN GROUP, LLC is located in Gig Harbor, Washington. They focus on Advertising and Other Digital Marketing and were founded in 1993.

    Read more
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1 Slashdev
2 Black Antelope

List of the Top 2 Seattle Symfony Developers

  1. Slashdev Logotype

    Slashdev

    $5,000+
    $50 - $99 / hr
    10 - 49
    Seattle, WA

    Ability to deliver

    35.3/40.0
    16.8/20 Reviews
    10/10 Clients & Experience
    8.5/10 Market Presence

    Service focus

    20% Web Development
    11% Symfony
    80% Other
    View Profile Visit Website
  2. Black Antelope Logotype

    Black Antelope

    $25,000+
    $100 - $149 / hr
    2 - 9
    Edmonds, WA

    Ability to deliver

    34.7/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    8.5/10 Market Presence

    Service focus

    25% Web Development
    17% Symfony
    75% Other
    View Profile Visit Website
  3. MindSing Logotype

    MindSing

    $5,000+
    $100 - $149 / hr
    2 - 9
    Seattle, WA

    Ability to deliver

    4.9/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    25% Web Development
    33% Symfony
    75% Other
    View Profile Visit Website
  4. ORCA DESIGN GROUP, LLC Logotype

    ORCA DESIGN GROUP, LLC

    Undisclosed
    Undisclosed
    2 - 9
    Gig Harbor, WA

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    15% Web Development
    25% Symfony
    85% Other
    View Profile Visit Website

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