Yellostack

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Details

Founded:: 2013
Hourly Rates:: $25 - $49 / hr
Employees:: 10 - 49
Ratings:: 4.3 9 Reviews

Industries Served

Real Estate Sports & Fitness Government & Public Sector Human Resources Travel & Hospitality Legal Services Telecommunications Construction Education

Where We Specialize

18% Web Development

Web Development 18%

Salesforce Development 18%

IT Services 18%

AI Development 17%

Virtual Reality 17%

Bot Development 6%

Mobile App Development 3%

Ruby on Rails 3%

Industry Expertise

Manufacturing100%

Typical Project Size

65% Small Business

22% Enterprise

13% Midmarket Business

About

Yellostack is a technology company founded in 2013. Yellostack focuses on Mobile App Development. With 10 - 49 people on staff, Yellostack can take on projects of varying size. Typical hourly rates run around $25 - $49 / hr/hr. Yellostack holds a 5.0-star rating across 4 client reviews. Yellostack operates out of الخبر, Saudi Arabia. Overall, Yellostack is one of the options worth shortlisting for a technology project.

Yellostack Reviews

4.3 9 Reviews

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Good results, communication improved as the project went on

Jessica Bennett / General Manager | Sep 19, 2026

The final product works well for us, although the process could have been smoother. Communication was consistent. We had a weekly call, a shared Slack channel and a project board we could check at any time. Even with the time zone difference, responses usually came the same day and we never felt left in the dark. They took the time to understand our business before suggesting anything, which we appreciated after previous agencies jumped straight into building.

We launched on schedule and have not had any major issues since. Their team changed one developer midway, which slowed things down for a couple of weeks. Overall, a team we trust and plan to keep working with.

Project summary

We partnered with Yellostack to automate document data extraction that our team was doing by hand. They also took care of integrations with a couple of third-party tools we already used. We worked together for around 2 months.

Overall Rating 3.5
Quality 3.5
Schedule 3.5
Project Cost 3.5
Willing To Refer 5.0

Project Type:: AI & Machine Learning
Project Cost:: $50,000 to $149,999
Project Duration:: Jul 2026 - Sep 2026
Business Type:: Real Estate
Location:: Tampa, USA

Questions & Answers

Please describe your company, your role, and the industry you operate in.

We're a mid-sized Real Estate company based in Tampa, USA. I'm the General Manager and I oversaw the project from start to finish.

What specific problem or business challenge led you to hire this company?

Our team was spending too much time on manual work. The goal was to automate document data extraction that our team was doing by hand so they could focus on customers.

What services did the company provide for your project?

AI & Machine Learning, plus QA and some consulting on how to structure the project.

Why did you choose this company over other providers you considered?

Their pricing was fair and they were honest about timelines instead of just telling us what we wanted to hear.

How clearly did the company understand your requirements and business goals?

Well. There were a couple of points we had to clarify early on, but after that they were spot on.

How was your overall experience with their communication and project management?

Good. Weekly calls, regular updates and a shared board meant we always knew where things stood.

Did the company deliver the project on time and within your expected budget?

Yes, on time and within budget.

What tangible results or business impact have you seen since the project was completed?

It is still early, but the numbers are trending in the right direction and the system has been stable.

What did you like most about working with this company?

The consistency. Same team, same standard, from the first week to the last.

Would you recommend this company to others, and would you work with them again?

Yes. They are a reliable AI & Machine Learning partner.

Capable Mobile App Development team — happy with the end result

Derek Ramirez / Product Manager | Sep 16, 2026

The final product works well for us, although the process could have been smoother. Communication was consistent. We had a weekly call, a shared Slack channel and a project board we could check at any time. They shared working builds regularly, so we could test early and give feedback before things were locked in. When we changed our minds on a couple of features halfway through, they handled it without fuss and were clear about the impact on cost and timeline.

Since launch, everything has been stable and our team has adapted to it quickly. There were some early misunderstandings on requirements that took a few rounds to sort out. Overall, a team we trust and plan to keep working with.

Project summary

We hired Yellostack to rebuild our existing mobile app, which had poor reviews and frequent crashes. The work covered requirements, design, development, testing and launch support. The project took roughly 3 months from kickoff to launch.

Overall Rating 3.5
Quality 3.5
Schedule 3.5
Project Cost 3.5
Willing To Refer 5.0

Project Type:: Mobile App Development
Project Cost:: $50,000 to $149,999
Project Duration:: May 2026 - Aug 2026
Business Type:: Sports & Fitness
Location:: Nashville, USA

Questions & Answers

Please describe your company, your role, and the industry you operate in.

Horizon Gym is a Sports & Fitness business in Nashville, USA. As Product Manager, I was responsible for this project on our side and the main contact for Yellostack.

What specific problem or business challenge led you to hire this company?

We needed to rebuild our existing mobile app, which had poor reviews and frequent crashes, and we didn't have the in-house capacity to do it ourselves.

What services did the company provide for your project?

End-to-end Mobile App Development — from requirements and design through to deployment and a support period afterwards.

Why did you choose this company over other providers you considered?

Their pricing was fair and they were honest about timelines instead of just telling us what we wanted to hear.

How clearly did the company understand your requirements and business goals?

They understood our goals quickly, partly because they had worked with Sports & Fitness clients before.

How was your overall experience with their communication and project management?

Communication was good overall and improved further once we settled into a routine.

Did the company deliver the project on time and within your expected budget?

Yes, on time and within budget.

What tangible results or business impact have you seen since the project was completed?

We can now handle more volume without adding staff, which was the main goal.

What did you like most about working with this company?

How easy they were to work with. They were responsive, honest and genuinely interested in our success.

Would you recommend this company to others, and would you work with them again?

Yes, I would recommend them and we plan to work with them again.

Easy to work with and very transparent on timelines and cost

Sam Lloyd / Senior Engineering Manager | Jul 06, 2026

Honestly, this was one of the smoothest projects we have run with an outside team. We dealt with the same core team throughout, so we did not have to keep re-explaining things. They were upfront about what was realistic within our budget, which helped us prioritise the right features. Communication was consistent. We had a weekly call, a shared Slack channel and a project board we could check at any time.

The IT Managed Services work has already made a noticeable difference — tasks that used to take hours now take minutes.

Overall, a team we trust and plan to keep working with.

Project summary

We hired Yellostack to manage our servers, backups and helpdesk. The work covered requirements, design, development, testing and launch support. Overall it was a 6-month engagement.

Overall Rating 5.0
Quality 4.5
Schedule 5.0
Project Cost 5.0
Willing To Refer 5.0

Project Type:: IT Managed Services
Project Cost:: $50,000 to $149,999
Project Duration:: Dec 2025 - Jun 2026
Business Type:: Government & Public Sector
Location:: Manchester, UK

Questions & Answers

Please describe your company, your role, and the industry you operate in.

I work as Senior Engineering Manager at Fairway Public Services Ltd. We operate in Government & Public Sector and most of our customers are in and around Manchester, UK.

What specific problem or business challenge led you to hire this company?

Our team was spending too much time on manual work. The goal was to manage our servers, backups and helpdesk so they could focus on customers.

What services did the company provide for your project?

IT Managed Services, including planning, development, testing and launch support.

Why did you choose this company over other providers you considered?

They had relevant experience in Government & Public Sector and their proposal was the clearest of the ones we received.

How clearly did the company understand your requirements and business goals?

Better than we expected. They pointed out a few things we had not thought about.

How was your overall experience with their communication and project management?

Good. Weekly calls, regular updates and a shared board meant we always knew where things stood.

Did the company deliver the project on time and within your expected budget?

It was delivered on time, and the final invoice matched the original estimate.

What tangible results or business impact have you seen since the project was completed?

Customer feedback has been positive, and we have seen better engagement since going live.

What did you like most about working with this company?

The consistency. Same team, same standard, from the first week to the last.

Would you recommend this company to others, and would you work with them again?

Yes, I've already recommended them to a couple of people I know.

Yellostack Delivered a Quality Mobile App Development Solution on Time

Jessica Carter / Co-Founder | Jul 02, 2026

We were happy with the final result. Their project manager kept things organised and was quick to flag anything that might affect the timeline. Even with the time zone difference, responses usually came the same day and we never felt left in the dark.

It has made a real difference to how our team works day to day. A couple of milestones slipped by a week or so, mostly around testing.

If you need a team that communicates well and delivers, they are a good choice.

Project summary

We partnered with Yellostack to develop a field-staff app with offline mode that syncs back to our main system. The work covered requirements, design, development, testing and launch support. We worked together for around 2 months.

Overall Rating 4.0
Quality 4.0
Schedule 4.0
Project Cost 4.5
Willing To Refer 5.0

Project Type:: Mobile App Development
Project Cost:: $10,000 to $49,999
Project Duration:: Apr 2026 - Jun 2026
Business Type:: Human Resources
Location:: Charlotte, USA

Questions & Answers

Please describe your company, your role, and the industry you operate in.

Pinecrest HR is a Human Resources business in Charlotte, USA. As Co-Founder, I was responsible for this project on our side and the main contact for Yellostack.

What specific problem or business challenge led you to hire this company?

Our team was spending too much time on manual work. The goal was to develop a field-staff app with offline mode that syncs back to our main system so they could focus on customers.

What services did the company provide for your project?

Mobile App Development, plus QA and some consulting on how to structure the project.

Why did you choose this company over other providers you considered?

They had relevant experience in Human Resources and their proposal was the clearest of the ones we received.

How clearly did the company understand your requirements and business goals?

Well. There were a couple of points we had to clarify early on, but after that they were spot on.

How was your overall experience with their communication and project management?

Communication was good overall and improved further once we settled into a routine.

Did the company deliver the project on time and within your expected budget?

Yes, on time and within budget.

What tangible results or business impact have you seen since the project was completed?

We can now handle more volume without adding staff, which was the main goal.

What did you like most about working with this company?

Their attention to detail and the quality of the final product.

Would you recommend this company to others, and would you work with them again?

Definitely. We have already started talking about the next phase.

Strong Technical Skills and a Very Responsive Web Development Team

Maria Miller / Managing Director | Jun 05, 2026

We were very happy with how this project went. Communication was consistent. We had a weekly call, a shared Slack channel and a project board we could check at any time. We dealt with the same core team throughout, so we did not have to keep re-explaining things.

The Web Development work has already made a noticeable difference — tasks that used to take hours now take minutes.

We are already discussing the next phase with them.

Project summary

Yellostack was brought in to build a customer portal where clients can log in, track orders and download invoices. Their team handled planning, development and QA, with our product owner signing off each milestone. Overall it was a 2-month engagement.

Overall Rating 4.5
Quality 5.0
Schedule 4.5
Project Cost 4.5
Willing To Refer 5.0

Project Type:: Web Development
Project Cost:: $10,000 to $49,999
Project Duration:: Feb 2026 - Apr 2026
Business Type:: Travel & Hospitality
Location:: Atlanta, USA

Questions & Answers

Please describe your company, your role, and the industry you operate in.

Bridgewater Hospitality LLC is a Travel & Hospitality business in Atlanta, USA. As Managing Director, I was responsible for this project on our side and the main contact for Yellostack.

What specific problem or business challenge led you to hire this company?

We had tried to do this internally and it stalled. We needed specialists to build a customer portal where clients can log in, track orders and download invoices.

What services did the company provide for your project?

End-to-end Web Development — from requirements and design through to deployment and a support period afterwards.

Why did you choose this company over other providers you considered?

They had relevant experience in Travel & Hospitality and their proposal was the clearest of the ones we received.

How clearly did the company understand your requirements and business goals?

Better than we expected. They pointed out a few things we had not thought about.

How was your overall experience with their communication and project management?

Organised and transparent. Their project manager kept the project on track and flagged risks early.

Did the company deliver the project on time and within your expected budget?

Yes. The only extra cost came from features we added ourselves, and they quoted those fairly.

What tangible results or business impact have you seen since the project was completed?

We can now handle more volume without adding staff, which was the main goal.

What did you like most about working with this company?

Their attention to detail and the quality of the final product.

Would you recommend this company to others, and would you work with them again?

Yes, I've already recommended them to a couple of people I know.

Professional AI & Machine Learning Team, Smooth Delivery From Start to Finish

Kelly Carter / Operations Manager | Apr 06, 2026

Overall we had a good experience working with Yellostack. Communication was consistent. We had a weekly call, a shared Slack channel and a project board we could check at any time. They were upfront about what was realistic within our budget, which helped us prioritise the right features. Their project manager kept things organised and was quick to flag anything that might affect the timeline.

Since launch, everything has been stable and our team has adapted to it quickly. Their team changed one developer midway, which slowed things down for a couple of weeks. We are already discussing the next phase with them.

Project summary

Overall Rating 4.0
Quality 4.0
Schedule 4.5
Project Cost 4.0
Willing To Refer 5.0

Project Type:: AI & Machine Learning
Project Cost:: $50,000 to $149,999
Project Duration:: Dec 2025 - Feb 2026
Business Type:: Legal Services
Location:: Atlanta, USA

Questions & Answers

Please describe your company, your role, and the industry you operate in.

We're a mid-sized Legal Services company based in Atlanta, USA. I'm the Operations Manager and I oversaw the project from start to finish.

What specific problem or business challenge led you to hire this company?

Our team was spending too much time on manual work. The goal was to automate document data extraction that our team was doing by hand so they could focus on customers.

What services did the company provide for your project?

AI & Machine Learning, including planning, development, testing and launch support.

Why did you choose this company over other providers you considered?

Their pricing was fair and they were honest about timelines instead of just telling us what we wanted to hear.

How clearly did the company understand your requirements and business goals?

They understood our goals quickly, partly because they had worked with Legal Services clients before.

How was your overall experience with their communication and project management?

Good. Weekly calls, regular updates and a shared board meant we always knew where things stood.

Did the company deliver the project on time and within your expected budget?

Mostly. One milestone slipped by about a week, but the final delivery was on schedule and the budget held.

What tangible results or business impact have you seen since the project was completed?

Our team saves several hours a week, and we have had very few issues since launch.

What did you like most about working with this company?

How easy they were to work with. They were responsive, honest and genuinely interested in our success.

Would you recommend this company to others, and would you work with them again?

Yes, I would recommend them and we plan to work with them again.

Delivered on time and stayed involved after launch

Priya Hughes / Head of Digital Transformation | Apr 03, 2026

Our experience with Yellostack was really positive from start to finish. Their project manager kept things organised and was quick to flag anything that might affect the timeline. Communication was consistent. We had a weekly call, a shared Slack channel and a project board we could check at any time. The developers were knowledgeable and made a few suggestions that ended up saving us time and money.

We launched on schedule and have not had any major issues since.

Happy to recommend them.

Project summary

We partnered with Yellostack to rebuild a slow, outdated web app and move it to a new framework. Scope included discovery workshops, development in two-week sprints and a short support period after launch. We worked together for around 7 months.

Overall Rating 5.0
Quality 5.0
Schedule 5.0
Project Cost 5.0
Willing To Refer 5.0

Project Type:: Web Development
Project Cost:: $500,000+
Project Duration:: Jul 2025 - Feb 2026
Business Type:: Telecommunications
Location:: Portland, USA

Questions & Answers

Please describe your company, your role, and the industry you operate in.

I'm the Head of Digital Transformation at Cobalt Telecom, a Telecommunications company based in Portland, USA. I look after our technology and work closely with outside partners on bigger projects.

What specific problem or business challenge led you to hire this company?

Our team was spending too much time on manual work. The goal was to rebuild a slow, outdated web app and move it to a new framework so they could focus on customers.

What services did the company provide for your project?

Web Development, including planning, development, testing and launch support.