Top 10+ PHP Development Companies in Seattle | PHP Developers Seattle 2026

Last Updated 27th June 2026 | Category: Top PHP Development Firms

The List of Top 10+ PHP Development Companies in Seattle | Top PHP Developers Seattle 2026

1. Hyperlink InfoSystem

Not Claimed
Founded 2011
Employees 1000+
Hourly Rate < $25
Our Rating 5.0/5 (65 reviews)
Avg. Project Cost USD 50,000+
Contact No +13097914105
Email [email protected]
View Profile Visit Website
web development
web design
php development
wordpress development
angularjs development

2. Spectrum Technologies

Not Claimed
Founded N/A
Employees 50 - 249
Hourly Rate $50 - $99
Our Rating 4.3/5 (6 reviews)
Avg. Project Cost USD 2,500,000+
Contact No +19157812000
Email [email protected]
View Profile Visit Website
web development
web design
php development
wordpress development
mysql
cms development

3. Kirkpatrick Creative

Not Claimed
Founded 1978
Employees 2 - 9
Hourly Rate N/A
Our Rating 4.8/5 (7 reviews)
Avg. Project Cost USD 5,000,000+
Contact No +15016636364
Email [email protected]
View Profile Visit Website
web development
web design
php development

4. Wilson Develops LLC

Not Claimed
Founded 2017
Employees 2 - 9
Hourly Rate $50 - $99
Our Rating 4.2/5 (6 reviews)
Avg. Project Cost USD 5,000,000+
Contact No +17758423814
Email [email protected]
View Profile Visit Website
web development
web design
php development
wordpress development
angularjs development
mysql
mobile app development
custom software development

5. Arke

Not Claimed
Founded 2005
Employees 50 - 249
Hourly Rate $150 - $199
Our Rating 4.6/5 (7 reviews)
Avg. Project Cost USD 5,000,000+
Contact No +14048123123
Email [email protected]
View Profile Visit Website
web development
web design

6. Crema

Not Claimed
Founded 2009
Employees 10 - 49
Hourly Rate $150 - $199
Our Rating 4.6/5 (6 reviews)
Avg. Project Cost USD 10,000+
Contact No +19132202141
Email [email protected]
View Profile Visit Website
web development
web design
php development
wordpress development
mobile app development
ui/ux design
custom software development
cms development
ruby on rails

7. Spherexx

Not Claimed
Founded 2000
Employees 50 - 249
Hourly Rate $100 - $149
Our Rating 4.5/5 (6 reviews)
Avg. Project Cost USD 50,000+
Contact No +18664917500
Email [email protected]
View Profile Visit Website
web development
web design
php development
e-commerce
mobile app development
ui/ux design
custom software development
cms development

8. Lform

Not Claimed
Founded 2005
Employees 2 - 9
Hourly Rate $150 - $199
Our Rating 4.7/5 (8 reviews)
Avg. Project Cost USD 10,000+
Contact No +19732399002
Email [email protected]
View Profile Visit Website
web development
web design
php development
mysql
e-commerce
mobile app development
ui/ux design
magento

9. Earthlogic

Not Claimed
Founded 1998
Employees 2 - 9
Hourly Rate N/A
Our Rating 4.6/5 (6 reviews)
Avg. Project Cost USD 50,000+
Contact No +18028995510
Email [email protected]
View Profile Visit Website
web development
web design
wordpress development

10. Atlas Studios

Not Claimed
Founded 1999
Employees 10 - 49
Hourly Rate N/A
Our Rating 4.1/5 (7 reviews)
Avg. Project Cost USD 50,000+
Contact No +14012872155
Email [email protected]
View Profile Visit Website
web development
web design
ui/ux design

FAQs

What engagement models do PHP Development companies in Seattle offer for Php Web work?
Most PHP Development companies in Seattle offer three primary engagement models for Php Web work: fixed-price for fully defined scope, time-and-material for iterative builds with evolving requirements, and dedicated team arrangements for sustained product development. Fixed-price works best when your Php Web requirements are fully documented before kickoff; time-and-material suits projects where scope is expected to shift by more than 20% during delivery. For Php Web product development planned over six months or longer, a dedicated team model from a PHP Development firm in Seattle typically delivers the best cost efficiency and institutional knowledge retention.
What makes it safe to outsource Php Web development to a PHP Development company in Seattle?
Outsourcing Php Web development to a reputable PHP Development company in Seattle is safe when the right legal and operational safeguards are in place — a comprehensive NDA, an explicit IP assignment clause, defined data security standards aligned to your industry, and a clear contractual exit clause. Established PHP Development firms in Seattle are experienced with international contract standards and typically maintain ISO 27001-aligned internal security policies that govern all client Php Web project assets. Always verify the firm has independently confirmed references from past international Php Web clients and have your legal counsel review key contract terms before project kickoff.
Are there hidden costs when working with a PHP Development company in Seattle on Php Web?
With reputable PHP Development companies in Seattle, hidden costs are avoidable if you ask the right questions during proposal review before signing the contract. Clarify upfront whether project management, QA and testing, deployment, staging environment setup, and third-party Php Web tool licensing are included in the quoted price or billed additionally as out-of-pocket expenses. Also confirm in writing how post-launch defect fixes are handled — whether they fall within a warranty period or require a separate maintenance retainer — before committing to any PHP Development firm in Seattle for your Php Web engagement.
How can I report incorrect information about a PHP Development company's Php Web listing in Seattle?
If you encounter inaccurate, outdated, or misleading content on a PHP Development company's Php Web listing for Seattle, use the platform's dispute or report mechanism to flag the specific claim and provide any supporting evidence you have. The directory team investigates substantiated reports and updates or removes listing content that fails to meet the verified accuracy standard for Php Web credentials. Submitting correction reports benefits the entire buyer community — users who invest in flagging errors help ensure that other buyers can rely on the Php Web company listings for Seattle when making high-stakes vendor decisions.
How do PHP Development companies in Seattle protect the intellectual property created in my Php Web project?
Established PHP Development companies in Seattle protect client Php Web IP through explicit IP assignment clauses in the main contract, comprehensive NDAs signed by all project team members, and strict repository access controls that limit code exposure to only those directly involved in Php Web delivery. All source code, design files, documentation, and third-party licenses are transferred to the client upon final payment, with no residual claim retained by the PHP Development firm. Before project kickoff, ask that the contract includes a clause confirming no pre-existing PHP Development company IP is embedded in your Php Web deliverables without your prior written consent.
What KPIs should a PHP Development company in Seattle track for my Php Web project?
A results-oriented PHP Development company in Seattle will define Php Web project KPIs tied directly to your business objectives before a single line of code is written. Relevant metrics typically include user activation rate, Php Web feature adoption depth, conversion rate improvement, monthly active user growth, churn reduction, and revenue impact attributable to new Php Web capabilities. KPI definitions should be agreed in writing at project kickoff so the PHP Development team in Seattle is optimizing toward your business outcomes throughout the engagement — not just shipping features that satisfy the written specification.
Which PHP Development company in Seattle has the best satisfaction scores for Php Web projects?
PHP Development companies in Seattle with the highest client satisfaction scores for Php Web projects consistently combine strong technical delivery with proactive communication, early risk identification, and genuine client advocacy throughout the engagement lifecycle. Top-rated Php Web firms on verified review platforms typically maintain composite scores of 4.7–5.0 out of 5.0, with multiple reviews specifically citing Php Web project outcomes rather than just overall company impressions. Reading the full narrative of reviews — not just the aggregate star rating — is critical for identifying which PHP Development company in Seattle will actually be the right match for your specific Php Web requirements and working culture.

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