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A Certified Full-Stack WooCommerce Agency

💪 When top brands face their toughest WooCommerce challenges, they turn to CoSpark. With over 15 years of experience as an award-winning, WooCommerce-focused agency, we’ve been the go-to partner for clients when their current agency hit a wall, resources ran dry, or the expertise just wasn’t there to get the job done. We don’t just fix problems—we turn them into success stories. Our work has generated over $400 million in annual revenue for our clients, proving that when it comes to creating high-performing, enterprise-level WooCommerce solutions, we deliver—every time. If you’re tired of searching for a partner who gets real results, your search ends here.

  • Min project size
    $10,000+
  • Hourly rate
    $150 - $199 / hr
  • Employees
    10 - 49
  • Locations
    Irvine, CA
  • Year founded
    Founded 2009
  • Languages
  • Timezones

2 Languages that we service

  • English
  • Spanish

4 Timezones that we service

CET
Central European Time (CET)
EST
Eastern Standard Time (EST)
MST
Mountain Standard Time (MST)
PST
Pacific Standard Time (PST)

2 Locations

  • Irvine , CA
  • Fredericksburg , VA

No have been added yet...

    Pricing Snapshot

    Min. project size $10,000+
    Avg. hourly rate $150 - $199 /hr
    Rating for cost 4.6 /5

    What Clients Have Said

    CoSpark offers competitive pricing that fits various budgets, as noted by clients from small to medium-sized businesses. Specific project costs include over $10,000 for ongoing support and $50,000 for comprehensive web development, emphasizing value for the cost through effective solutions and responsiveness.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $10,000 - $49,999 based on 18 reviews
    < $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

    Select a service to see pricing information

    CoSpark Review Insights

    Overall Review Rating

    4.9
    • Quality 4.9
    • Schedule 4.9
    • Cost 4.6
    • Willing to Refer 4.9

    Top Mentions

    Review Highlights

    • Seamless Onboarding and Demos

      CoSpark offers seamless onboarding processes and free demos, which demonstrate their capabilities and provide clients with confidence in their decision to partner with them.

    • High-Quality Project Management

      Clients commend CoSpark for their project management skills, highlighting their ability to meet deadlines, manage budgets, and adapt to various client management styles, ensuring seamless project execution.

    • Expertise in WooCommerce and WordPress

      CoSpark excels in managing and optimizing WooCommerce and WordPress systems, providing custom solutions that address specific client needs. Clients appreciate their technical expertise, which enhances website performance and functionality.

    • Responsive and Communicative Team

      Clients consistently praise CoSpark for their responsiveness and clear communication, utilizing tools like Slack, Basecamp, and email. This ensures that projects are managed efficiently and client concerns are addressed promptly.

    • Challenges with Delays and Communication

      While generally praised, some clients have noted occasional delays in backend programming and communication issues, suggesting potential areas for improvement in project timelines.

    • Effective Problem Solving

      CoSpark stands out for their problem-solving capabilities, often providing creative and cost-effective solutions to complex technical issues, which are highly valued by clients.

    CoSpark Reviews

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    E-Commerce Development for Subscription Service

    • E-Commerce Development Web Development
    • Confidential
    • Aug. - Sep. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Alex was fantastic."

    Sep 30, 2025
    Owner, ManxBMD
    Denise Killen
    Verified
    • Hospitality & leisure
    • Kinross, Scotland
    • 1-10 Employees
    • Online Review
    • Verified

    CoSpark provided e-commerce development support for a subscription service. The team fixed the client's WooCommerce website, addressed PayPal-related issues, and implemented functional improvements.

    Server Performance & Optimization Support for Media Company

    • IT Managed Services IT Strategy Consulting Web Development
    • $10,000 to $49,999
    • Feb. 2025 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We're very happy with our ongoing work with CoSpark!"

    Jul 24, 2025
    Senior Solutions Architect, Homestead Living
    Melissa Thorpe
    Verified
    • eCommerce
    • Winesburg, Ohio
    • 11-50 Employees
    • Online Review
    • Verified

    CoSpark provides ongoing server performance and optimization support for a media company. The team also offers development and IT consulting services.

    E-Commerce Management & Custom Dev for SaaS Company

    • IT Managed Services
    • Confidential
    • July 2024 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They meet our expectations in terms of performance and service quality."

    Jul 18, 2025
    Managing Partner, IRS Solutions
    Suzanne Stone
    Verified
    • Other industries
    • United States
    • 11-50 Employees
    • Phone Interview
    • Verified

    CoSpark manages a SaaS company's WordPress and WooCommerce system. The team checks the status of the client's system and makes security and other updates as needed. They also do custom programming as needed.

    NetSuite Integration for Cosmetic Manufacturing Company

    • E-Commerce Development
    • Less than $10,000
    • Feb. - May 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I was pleased with their work."

    Oct 9, 2023
    Executive, DeEnterprises Inc
    Anonymous
    Verified
    • Manufacturing
    • West Chicago, Illinois
    • 11-50 Employees
    • Online Review
    • Verified

    In an effort to reduce data entry time and errors, a cosmetic manufacturing company hired CoSpark to integrate their WooCommerce website with NetSuite.

    Website Enhancement for Referral Childcare Agency

    • Logo Web Design Web Development
    • Less than $10,000
    • Feb. - July 2023
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    4.0

    "We were impressed with their ability to turn things around quickly."

    Jul 28, 2023
    Communication Manager, Pathways LA
    Helen Chaj
    Verified
    • Education
    • Los Angeles, California
    • 51-200 Employees
    • Online Review
    • Verified

    CoSpark enhanced a website for a referral childcare agency. The team provided recommendations to improve the site's navigation, promote the client's programs, and provide a user-friendly experience.

    Custom Software Dev for Barges & Marine Vessels Company

    • Custom Software Development Other IT Consulting and SI UX/UI Design
    • $10,000 to $49,999
    • Feb. 2022 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.5
    Willing to Refer
    5.0

    “CoSpark was our salvation; they’re a superstar company.”

    Jan 25, 2023
    Digital Marketing Manager, Barges & Marine Vessels Company
    Anonymous
    Verified
    • Real estate
    • Edwardsville, Illinois
    • 201-500 Employees
    • Phone Interview
    • Verified

    A barge and marine vessels company hired CoSpark to fix an issue with their WooCommerce site and Ruby on Rails component. They currently provide custom software development services, maintaining the backend.

    Web Development & Design for Online Artwork Marketplace

    • Web Design Web Development
    • $10,000 to $49,999
    • Jan. 2022 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “I’m very confident that whatever issue arises, they’re going to take care of it and not blame it on someone else.”

    Mar 11, 2022
    Owner, Illustrated Faith
    Shanna Nalywaiko
    Verified
    • Other industries
    • Olympia, Washington
    • 1-10 Employees
    • Phone Interview
    • Verified

    CoSpark (formerly AnnexCore) was hired by an online artwork marketplace to redesign their site and fix its existing issues. They currently provide ongoing site support and guidance for the client.

    Web Dev & SEO for Home Remodeling Company

    • Search Engine Optimization Web Development
    • $50,000 to $199,999
    • Feb. 2021 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "CoSpark (formerly AnnexCore) is a one-stop shop for all our needs."

    Nov 4, 2021
    CFO, OMG Kitchen & Bath Specialists Inc
    Wendy Kurji
    Verified
    • Other industries
    • San Antonio, Texas
    • 1-10 Employees
    • Phone Interview
    • Verified

    CoSpark (formerly AnnexCore) has developed an SEO-friendly website for a home remodelling company. They've incorporated elaborate and user-friendly features into the site and continue to update blog content and keywords to date.

    Web Dev & Design for Online Organic Food Marketplace

    • Web Design Web Development
    • $10,000 to $49,999
    • July 2021 - Ongoing
    4.5
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    5.0

    "We've had a very easy and productive engagement — I can’t thank their team enough for that."

    Oct 4, 2021
    VP, Online Organic Food Marketplace
    Chris Kimball
    Verified
    • Other industries
    • Stamford, Connecticut
    • Phone Interview
    • Verified

    CoSpark (formerly AnnexCore) has redeveloped the website of a food marketplace to help expand their market reach. They've made changes based on the client's needs, revised the tech stack, and built the backend via WooCommerce.

    Website Development for Private Medical Practice

    • E-Commerce Development Web Design
    • $10,000 to $49,999
    • Jan. 2021 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    5.0

    "I know it’s a long project, but I’m happy so far."

    Jul 19, 2021
    Manager, Private Medical Practice
    Anonymous
    Verified
    • Other industries
    • Irvine, California
    • 11-50 Employees
    • Phone Interview
    • Verified

    A private medical practice hired CoSpark (formerly AnnexCore) to provide web development. They're integrating features to the client's site like PayPal and credit card usability and search functions, among other assets that increase quality.

    Showing 1-11 of 21 Reviews

    Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

    Learn More
    Verified Client Reviews
    19
    Overall Review Rating
    4.9
    Source
    Clutch
    Last Updated
    September 30, 2025

    Business Entity

    Business Entity Name Annex Core, Inc.
    Source California Secretary of State
    Jurisdiction of Formation California
    Date of Formation March 10, 2010
    Status Active
    Last Updated July 3, 2021
    ID C3243619

    Credit Report Results

    International Credit Risk Assessment Low Risk
    Source Creditsafe
    Last Updated March 19, 2023
    Learn More About The Clutch Verification Process

    Locations (2)

    530 Technology Drive #100 IrvineCA, United States 92618

    10 - 15

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    Homestead Living

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    Melissa Thorpe

    Additional Connections

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