Name: CoSpark
Address: 530 Technology Drive #100, Irvine, United States, CA, 92618, US
Telephone: 949-954-5590
Price range: $150 - $199
Rating: 4.9

A Certified Full-Stack WooCommerce Agency

💪 CoSpark is the WooCommerce agency top brands call when everyone else has failed.

We've taken over sites mid-crisis: checkout that couldn't handle load, migrations left half-finished, integrations that stopped working, "managed hosting" that wasn't managing anything. Every time, the pattern is the same. The store isn't broken because WooCommerce is limited. It's broken because nobody built the platform to match the business running on it.

That's what we do.

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

Service Lines

E-Commerce Development: 75%
API Development: 10%
Web Development: 10%
Web Design: 5%

Select Focus Area

Application Platforms

Amazon Application Development Framework: 15%
Azure Platform: 15%
Google app engine: 15%
Other app platform: 15%
Force: 10%
Heroku: 10%
Linux server: 10%
Windows server: 10%

API Type

REST API: 25%
OPEN API: 15%
Partner API: 15%
RPC API: 15%
SOAP API: 15%
Webhook API: 15%

CMS Focus

WordPress CMS: 100%

E-commerce Systems

WooCommerce: 100%

Industries

eCommerce: 100%

Clients

Midmarket ($10M - $1B): 40%
Enterprise (>$1B): 30%
Small Business (<$10M): 30%

Web Development WooCommerce

Pricing Snapshot

Min. project size $10,000+

Avg. hourly rate $150 - $199 /hr

Rating for cost 4.7 /5

What Clients Have Said

CoSpark offers competitive pricing and good value for cost, with clients noting significant savings and improved performance. Project costs vary, with some clients spending over $10,000, while others appreciate the affordability for smaller businesses. Overall, they are recognized for delivering effective solutions without inflating costs.

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

Learn more about SEO pricing

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CoSpark Review Insights

Overall Review Rating

4.9

Quality 4.9
Schedule 4.9
Cost 4.7
Willing to Refer 4.9

Top Mentions

Review Highlights

Room for Improvement in Communication Methods

Some clients suggest CoSpark could benefit from offering more diverse communication methods, such as phone calls, to enhance client interactions, especially for those who prefer direct communication.
Flexibility and Adaptability

CoSpark's flexibility in working with small businesses and adapting to varying client needs is frequently praised. They tailor solutions to fit different project requirements and client sizes.
Outstanding Problem-Solving Skills

Clients highlight CoSpark's ability to creatively address complex challenges and provide cost-effective solutions. Their technical expertise often results in innovative and unique approaches to client problems.
Seamless Onboarding and Transition

Clients appreciate the seamless onboarding process and smooth transitions when working with CoSpark. Their ability to integrate into existing workflows and adapt to client needs is often highlighted.
Technical Expertise in API and Software Integration

Clients commend CoSpark's technical prowess in handling API integrations and software solutions, resolving connectivity issues, and enhancing system functionalities effectively.
Strong Customer Service and Support

CoSpark is praised for their dedication to customer satisfaction. Clients value their willingness to address issues promptly and their hands-on approach in providing continuous support and guidance.

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CoSpark Reviews

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Custom Software Development
Less than $10,000
June - July 2021

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"CoSpark (formerly AnnexCore) demonstrated a high level of understanding in this specific area."

Oct 14, 2021

Group Publisher, Newsletter Station

Jeff Ferry

Media
Boston, Massachusetts
11-50 Employees
Online Review
Verified

CoSpark (formerly AnnexCore) was hired by a newsletter platform to assist in the development of their Mailchimp API. The project involved customized coding to interface with Mailchimp API.

Boasting a solid understanding of the project and the technologies used, CoSpark (formerly AnnexCore) successfully delivered the project on time and met the client's expectations. Responsive and accessible, they communicated effectively with the client throughout the engagement to ensure a seamless workflow.

The client submitted this review online.

BACKGROUND

Please describe your company and your position there.

I am group publisher at Newsletter Station

OPPORTUNITY / CHALLENGE

For what projects/services did your company hire AnnexCore, and what were your goals?

We hired AnnexCore to assist with complex API through Mailchimp.

SOLUTION

How did you select this vendor and what were the deciding factors?

AnnexCore has done many past projects.

Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.

The project included customized coding to interface with Mailchimp API

How many people from the vendor's team worked with you, and what were their positions?

2-3

RESULTS & FEEDBACK

Can you share any measurable outcomes of the project or general feedback about the deliverables?

The project was completed on time and met expectations.

Describe their project management style, including communication tools and timeliness.

Communication was clear, detailed, and timley.

What did you find most impressive or unique about this company?

AnnexCore demonstrated a high level of understanding in this specific area.

Are there any areas for improvement or something they could have done differently?

No improvements to offer.

RATINGS

5.0

Application Management & Support IT Managed Services Other Design
Less than $10,000
January 2021

4.5

Quality: 4.5

Schedule: 5.0

Cost: 2.5

Willing to Refer: 5.0

"They know Mailchimp in and out."

May 17, 2021

Creative Director, Boutique Design Firm

Anonymous

Advertising & marketing
Los Angeles, California
1-10 Employees
Online Review
Verified

CoSpark (formerly AnnexCore) provided application design services for a boutique design firm. The team was tasked with designing templates and writing code using the MailChimp builder for an email marketing campaign.

CoSpark (formerly AnnexCore) custom-wrote HTML codes and curated MailChimp design templates, all of which were highly praised by internal stakeholders. They boasted of quick turnaround times and minimal rounds of revisions. As a result, a successful e-mail marketing campaign was launched.

The client submitted this review online.

BACKGROUND

Please describe your company and your position there.

I am the creative director at a boutique design firm. We provide a wide range of creative services –– digital and print –– for clients large and small.

OPPORTUNITY / CHALLENGE

For what projects/services did your company hire AnnexCore?

Custom MailChimp templates and html coding.

SOLUTION

How did you select this vendor and what were the deciding factors?

We found AnnexCore through the Mailchimp platform.

Describe the project in detail and walk through the stages of the project.

We provided AnnexCore with Photohop mock-ups of the emails we wanted them to code for us, plus we asked for additional features, such as retina-ready images and easy-to-use templates, that can be further customized within the Mailchimp email builder.

How many resources from the vendor's team worked with you, and what were their positions?

Our main contact is Heral at Annexcore.

RESULTS & FEEDBACK

Can you share any outcomes from the project that demonstrate progress or success?

Annexcore delivered pixel-perfect matches to our mock-ups. And functional, retina-ready templates.

How effective was the workflow between your team and theirs?

Quick turn-around and minimal rounds of revisions.

What did you find most impressive or unique about this company?

They know Mailchimp in and out.

Are there any areas for improvement or something they could have done differently?

Sometimes I don't understand the language he's using to communicate an issue, because I'm a layperson in this particular field of coding. He's able to re-phrase though when I ask for clarification.

RATINGS

4.5

Showing 21-22 of 22 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.

Premier Verified means Clutch independently confirmed CoSpark is a legally registered business,
financially sound (Creditsafe: Low Risk), and backed by 20 verified client reviews averaging 4.9 stars.

Learn More

Verified Client Reviews: 20

Overall Review Rating: 4.9

Source: Clutch

Last Updated: September 22, 2026

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 Irvine, CA, United States 92618

10 - 15

Contact CoSpark

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Gadre Infotech Pvt. Ltd.

(1)

Shalaka Teli

Homestead Living

(1)

Melissa Thorpe

Additional Connections

(4)

CoSpark

A Certified Full-Stack WooCommerce Agency

Pricing Snapshot

What Clients Have Said

Most Common Project Size

Select a service to see pricing information

CoSpark Review Insights

Overall Review Rating

Top Mentions

Review Highlights

Room for Improvement in Communication Methods

Flexibility and Adaptability

Outstanding Problem-Solving Skills

Seamless Onboarding and Transition

Technical Expertise in API and Software Integration

Strong Customer Service and Support

Reviews mentioning:

CoSpark Reviews

Custom Software Dev for Newsletter Platform

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

MailChimp Templates for Boutique Design Firm

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Our Story

Business Entity

Credit Report Results

Locations (2)

Gadre Infotech Pvt. Ltd.

Homestead Living

Additional Connections

CoSpark

A Certified Full-Stack WooCommerce Agency

2 Languages that we service

4 Timezones that we service

2 Locations

Services

Focus

Industries

Clients

Pricing Snapshot

What Clients Have Said

Most Common Project Size

Select a service to see pricing information

Reviews

CoSpark Review Insights

Overall Review Rating

Top Mentions

Review Highlights

Room for Improvement in Communication Methods

Flexibility and Adaptability

Outstanding Problem-Solving Skills

Seamless Onboarding and Transition

Technical Expertise in API and Software Integration

Strong Customer Service and Support

Reviews mentioning:

CoSpark Reviews

Custom Software Dev for Newsletter Platform

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

MailChimp Templates for Boutique Design Firm

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Portfolio & Awards

About the Team

Our Story

Verification

Business Entity

Credit Report Results

Location

Locations (2)

Contact

Connect with CoSpark on Social

Connections

Gadre Infotech Pvt. Ltd.

Homestead Living

Additional Connections