Name: Callstack Labs
Address: 11799 Sebastian Way, Rancho Cucamonga, United States, CA, 91730, US
Telephone: 9097573109
Price range: $100 - $149
Rating: 5.0

The right partner for the job

At Callstack Labs, we are a technology agency that specializes in building Custom Software Solutions for startups and growing businesses. Our deep experience in the tech industry allows us to understand business needs and execute fast to meet these needs.

Our Solutions:

Landing pages
Web Applications
Gen AI systems using business data
CRM Integrations and Automations

Why work us:

We iterate fast
We love solving problems
No sales people. You will work with the developer

Min project size
$1,000+
Hourly rate
$100 - $149 / hr
Employees
2 - 9
Locations
Rancho Cucamonga, CA
Year founded
Founded 2024

No have been added yet...

Pricing Snapshot

Min. project size $1,000+

Avg. hourly rate $100 - $149 /hr

Rating for cost 5 /5

What Clients Have Said

Clients appreciate Callstack Labs for their good value for cost, efficient project management, and responsiveness. Specific project details or costs were not mentioned, but the overall sentiment indicates a favorable pricing structure relative to the quality of service provided.

This summary is based on verified Clutch reviews.

Most Common Project Size

< $10,000 based on 1 review

< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

Learn more about SEO pricing

Select a service to see pricing information

Callstack Labs Review Insights

Overall Review Rating

5.0

Quality 5.0
Schedule 4.8
Cost 5.0
Willing to Refer 5.0

Review Highlights

Enhanced Website Performance

Callstack Labs significantly improved website metrics for a client, including reducing page load times from 5 to under 2 seconds and increasing average site time by 35%.
Effective Communication Channels

Callstack Labs maintained consistent communication through Slack, phone calls, virtual meetings, and email, ensuring clients were well-informed and involved throughout the project lifecycle.
Integration Expertise with Zoho CRM

Callstack Labs successfully integrated solutions with Zoho CRM, demonstrating their capability in integrating complex systems to enhance business operations.
Responsive and Knowledgeable Team

Clients noted Callstack Labs' responsiveness and deep understanding of their needs, which facilitated the creation of effective, tailored solutions that resonated with client brands.
Personalized Solutions and Strategy

Callstack Labs excelled in understanding client-specific needs, crafting personalized solutions and strategies that aligned with client goals and brand identity.

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Callstack Labs Reviews

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IT Strategy Consulting Search Engine Optimization Web Design
Confidential
July - Aug. 2025

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"I couldn't have asked for better service."

Aug 15, 2025

Director of Operations, Bleuprynt

Alex Raji

Manufacturing
Los Angeles, California
1-10 Employees
Online Review
Verified

Callstack Labs provided web development services for a custom product design and manufacturing company. The team redesigned the client's website and worked on its SEO, forms, and functionality.

Thanks to Callstack Labs, the client experienced a 35% increase in average time on site and a significant drop in bounce rates. The team truly understood the client's needs and delivered accordingly. The team had deep knowledge of the client's needs and was responsive via email and virtual meetings.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the Director of Operations of Bleuprynt

Describe what your company does in a single sentence.

Design and Manufacture custom products for businesses.

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire Callstack Labs to accomplish?

Establish Strategy for website redesign
Establish website hosting infrastructure

SOLUTION

How did you find Callstack Labs?

Online Search

Why did you select Callstack Labs over others?

High ratings
Good value for cost

How many teammates from Callstack Labs were assigned to this project?

1 Employee

Describe the scope of work in detail. Please include a summary of key deliverables.

We needed a lot of work when it came to the SEO for our website and work being needed for forms, design, and website functionality. Website underwent a complete recontrcution and all elements needed to be changed.

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

Increases in efficiency, speed, or accuracy

Since the redesign, our average time on site has increased by 35%, and bounce rates dropped noticeably

Page load speed improved from 5 seconds to under 2 seconds, which has made a huge difference.

Mobile traffic now converts at nearly the same rate as desktop thanks to the responsive design.

Describe their project management. Did they deliver items on time? How did they respond to your needs?

Yes they were very responsive and felt like we were working with friends available when I needed him. He had a deep knowledge of our needs from great listening and truly made solutions and came up with ideas that worked for us. I couldn't have asked for better service would be happy to work with them moving forward.

What was your primary form of communication with Callstack Labs?

Virtual Meeting
Email or Messaging App

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

I found most unique how well they wanted to figure out our exact needs and undertand our brand to come up with the best layout design and startegy to make a positive impact for our clients.

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

RATINGS

5.0

CRM Consulting and SI Web Development
Confidential
Apr. - July 2024

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"We primarily communicated via Slack and phone calls."

Aug 20, 2025

CEO, Lendnow

Frank F

Business services
Los Angeles, California
201-500 Employees
Online Review
Verified

Callstack Labs developed a customer-facing portal and an internal dashboard for a lending company. The team extended the existing Dockerized Node.js backend and integrated the solution with Zoho CRM.

Callstack Labs delivered the project. The team communicated via Slack and phone calls.

Custom Software Development Web Design Web Development
Less than $10,000
Sep. - Dec. 2024

5.0

Quality: 5.0

Schedule: 4.5

Cost: 5.0

Willing to Refer: 5.0

"I'm very happy with the result and would definitely work with them again."

Jul 10, 2025

Music Producer & DJ, Low Mileage Music

Hayden Slim

Arts, entertainment & music
Los Angeles, California
1-10 Employees
Online Review

Callstack Labs designed, hosted, and developed a website for a music producer and DJ. The team also provided SEO services to help the client improve their online presence and showcase their latest releases.

Callstack Labs delivered a modern, well-designed, fast website that perfectly reflects the client's brand. The team communicated clearly and proactively offered creative ideas that elevated the project. Their attention to detail and technical expertise made the whole process smooth.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the Music Producer/DJ of Low Mileage Music

Describe what your company does in a single sentence.

Musician and DJ for events.

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire Callstack Labs to accomplish?

Establish Online presence through a an impactful website
Show off latest releases
Exposure to search engines through SEO

SOLUTION

How did you find Callstack Labs?

Referral

Why did you select Callstack Labs over others?

Close to my geographic location
Pricing fit our budget
Great culture fit
Good value for cost
Referred to me

How many teammates from Callstack Labs were assigned to this project?

1 Employee

Describe the scope of work in detail. Please include a summary of key deliverables.

Website design , Hosting and development

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

Increase listenership and viewership of my artist project on both spotify and social media.

Describe their project management. Did they deliver items on time? How did they respond to your needs?

The team delivered exactly what I needed a modern, well-designed website that’s fast, SEO-optimized, and reflects my brand perfectly. Communication was clear throughout, and they were proactive in offering creative ideas that elevated the project. Their attention to detail and technical expertise made the whole process smooth. I’m very happy with the result and would definitely work with them again.

What was your primary form of communication with Callstack Labs?

In-Person Meeting
Virtual Meeting

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

Deep industry expertise

RATINGS

5.0

Showing 1-3 of 3 Reviews

Locations (1)

11799 Sebastian Way Rancho Cucamonga, CA, United States 91730

2 - 5

Contact Callstack Labs

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Bleuprynt

(1)

Alex Raji

Additional Connections

(1)

Callstack Labs

The right partner for the job

Pricing Snapshot

What Clients Have Said

Most Common Project Size

Select a service to see pricing information

Highly Rated Similar Providers

Callstack Labs Review Insights

Overall Review Rating

Review Highlights

Enhanced Website Performance

Effective Communication Channels

Integration Expertise with Zoho CRM

Responsive and Knowledgeable Team

Personalized Solutions and Strategy

Reviews mentioning:

Callstack Labs Reviews

SEO, Website Redesign & Development for Manufacturing Co

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Web Development & CRM Consulting for Lending Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Web Dev for Music Producer

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Locations (1)

Bleuprynt

Additional Connections

Callstack Labs

The right partner for the job

1 Locations

Services

Focus

Industries

Clients

Pricing Snapshot

What Clients Have Said

Most Common Project Size

Select a service to see pricing information

Highly Rated Similar Providers

Reviews

Callstack Labs Review Insights

Overall Review Rating

Review Highlights

Enhanced Website Performance

Effective Communication Channels

Integration Expertise with Zoho CRM

Responsive and Knowledgeable Team

Personalized Solutions and Strategy

Reviews mentioning:

Callstack Labs Reviews

SEO, Website Redesign & Development for Manufacturing Co

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Web Development & CRM Consulting for Lending Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Web Dev for Music Producer

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Location

Locations (1)

Contact

Connections

Bleuprynt

Additional Connections