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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

Select Focus Area
Application Platforms
Amazon Application Development Framework
15%
Azure Platform
15%
Other app platform
15%
Heroku
10%
Linux server
10%
Windows server
10%
CMS Focus
E-commerce Systems
Industries
eCommerce
100%
Clients
Midmarket ($10M - $1B)
40%
Enterprise (>$1B)
30%
Small Business (<$10M)
30%

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

  • 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.

  • 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.

  • 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.

  • Positive Client Feedback on Results

    Clients report significant improvements in website stability, performance, and user experience due to CoSpark's interventions, leading to increased customer satisfaction and business success.

  • 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.

CoSpark Reviews

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Services
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E-Commerce Development for Subscription Service

  • E-Commerce Development Web Development
  • WooCommerce
    +1
  • 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
  • WordPress CMS
    +1
  • $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
  • Other app platform
    +3
  • 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
  • NetSuite SuiteCommerce
    +1
  • 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
  • WordPress CMS
  • 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

Our Story

We’re a tight-knit team of senior developers and project managers who work closely together on every project. That collaboration allows us to stay aligned, move efficiently, and deliver work that’s well thought through from the start.

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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