GammaStack

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Details

Founded:
2012
Hourly Rates:
< $25 / hr
Employees:
250 - 999
Ratings:
4.6 9 Reviews

Industries Served

Telecommunications Agriculture Construction Travel & Hospitality Nonprofit & NGO Retail & E-commerce Logistics & Supply Chain Aerospace & Defense

Where We Specialize

12% Image Annotation
Image Annotation 12%
Cloud Computing Services 11%
Implementation Services 11%
Mobile App Development 9%
IoT Development 9%
AI Development 9%
Web Development 8%
Web3 7%
Web Design 6%
Bigcommerce 6%
E-commerce Development 4%
Bot Development 4%
Zend 4%

Industry Expertise

Manufacturing46% Education36% Fitness18%

Typical Project Size

48% Small Business
26% Midmarket Business
26% Enterprise

About

GammaStack has been in business since 2012, delivering technology projects for clients. The company's day-to-day work covers web platforms, mobile apps, and bespoke software. Its team includes 250 - 999 specialists working across design, development, and delivery. Projects are generally billed around < $25 / hr/hr. Clients have rated GammaStack 3.5 out of 5 in 3 reviews. The team is based in Indore, India. These details offer a useful starting point when evaluating GammaStack.

GammaStack Reviews

4.6 9 Reviews
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Solid E-commerce Development Work With Clear Communication Throughout

Eric Foster / Co-Founder | Oct 02, 2026

I would rate this engagement highly on almost every front. 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. 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.

The result looks great and performs well, and our internal team found it easy to take over. Happy to recommend them.

Project summary

We engaged GammaStack to migrate our online store from an older platform to a new one. The project was split into milestones, with a working build shared at the end of each one. Overall it was a 6-month engagement.

  • Overall Rating 4.5
  • Quality 4.5
  • Schedule 4.5
  • Project Cost 5.0
  • Willing To Refer 5.0
Project Type:
E-commerce Development
Project Cost:
$10,000 to $49,999
Project Duration:
Jan 2026 - Jul 2026
Business Type:
Telecommunications
Location:
Chicago, USA

Questions & Answers

Please describe your company, your role, and the industry you operate in.
I work as Co-Founder at Oakline Connect. We operate in Telecommunications and most of our customers are in and around Chicago, USA.
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 migrate our online store from an older platform to a new one.
What services did the company provide for your project?
E-commerce Development, including planning, development, testing and launch support.
Why did you choose this company over other providers you considered?
They had relevant experience in Telecommunications and their proposal was the clearest of the ones we received.
How clearly did the company understand your requirements and business goals?
They understood our goals quickly, partly because they had worked with Telecommunications clients before.
How was your overall experience with their communication and project management?
Very responsive. We usually heard back the same day, even with the time difference.
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?
We can now handle more volume without adding staff, which was the main goal.
What did you like most about working with this company?
That they were proactive — they suggested improvements instead of just doing what was asked.
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.

GammaStack Delivered a Quality UI/UX Design Solution on Time

Julia Richter / Product Manager | Sep 22, 2026

I would rate this engagement highly on almost every front. 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. 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. We are already discussing the next phase with them.

Project summary

We engaged GammaStack to redesign the user experience of our SaaS product. They worked alongside our in-house team, which mostly handled business requirements and testing. 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:
UI/UX Design
Project Cost:
$50,000 to $149,999
Project Duration:
Feb 2026 - Sep 2026
Business Type:
Agriculture
Location:
Stuttgart, Germany

Questions & Answers

Please describe your company, your role, and the industry you operate in.
We're a mid-sized Agriculture company based in Stuttgart, Germany. I'm the Product Manager and I oversaw the project from start to finish.
What specific problem or business challenge led you to hire this company?
Our existing setup was holding us back. We wanted to redesign the user experience of our SaaS product before our busy season.
What services did the company provide for your project?
End-to-end UI/UX Design — 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 Agriculture clients before.
How was your overall experience with their communication and project management?
Very responsive. We usually heard back the same day, even with the time difference.
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?
Definitely. We have already started talking about the next phase.

Reliable Mobile App Development Partner That Delivered What They Promised

Sam Edwards / Head of Product | Aug 14, 2026

Honestly, this was one of the smoothest projects we have run with an outside team. They shared working builds regularly, so we could test early and give feedback before things were locked in. Communication was consistent. We had a weekly call, a shared Slack channel and a project board we could check at any time.

We are already seeing better numbers than before the project.

I would recommend GammaStack to anyone looking for a dependable Mobile App Development partner.

Project summary

We hired GammaStack to rebuild our existing mobile app, which had poor reviews and frequent crashes. The work covered requirements, design, development, testing and launch support. We worked together for around 4 months.

  • Overall Rating 4.5
  • Quality 4.5
  • Schedule 4.5
  • Project Cost 4.5
  • Willing To Refer 5.0
Project Type:
Mobile App Development
Project Cost:
$50,000 to $149,999
Project Duration:
Mar 2026 - Jul 2026
Business Type:
Construction
Location:
Cardiff, UK

Questions & Answers

Please describe your company, your role, and the industry you operate in.
Lakeshore Construction Ltd is a Construction business in Cardiff, UK. As Head of Product, I was responsible for this project on our side and the main contact for GammaStack.
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 rebuild our existing mobile app, which had poor reviews and frequent crashes.
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?
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?
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. 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?
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?
Definitely. We have already started talking about the next phase.

GammaStack Delivered a Quality AI & Machine Learning Solution on Time

Sophie Barker / CEO | Jul 08, 2026

We were very happy with how this project went. The developers were knowledgeable and made a few suggestions that ended up saving us time and money. Communication was consistent. We had a weekly call, a shared Slack channel and a project board we could check at any time.

We are already seeing better numbers than before the project. If you need a team that communicates well and delivers, they are a good choice.

Project summary

Our company worked with GammaStack to add an AI chatbot to our support site that answers questions from our help docs. The project was split into milestones, with a working build shared at the end of each one. The engagement ran for about 2 months.

  • Overall Rating 5.0
  • Quality 5.0
  • Schedule 5.0
  • Project Cost 4.5
  • Willing To Refer 5.0
Project Type:
AI & Machine Learning
Project Cost:
$50,000 to $149,999
Project Duration:
Mar 2026 - May 2026
Business Type:
Travel & Hospitality
Location:
Cambridge, UK

Questions & Answers

Please describe your company, your role, and the industry you operate in.
Cobalt Hospitality Ltd is a Travel & Hospitality business in Cambridge, UK. As CEO, I was responsible for this project on our side and the main contact for GammaStack.
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 add an AI chatbot to our support site that answers questions from our help docs 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?
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?
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?
That they were proactive — they suggested improvements instead of just doing what was asked.
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.

Delivered on time and stayed involved after launch

Omar Khan / Managing Director | May 27, 2026

I would rate this engagement highly on almost every front. Even with the time zone difference, responses usually came the same day and we never felt left in the dark. They shared working builds regularly, so we could test early and give feedback before things were locked in. 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.

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

Project summary

We partnered with GammaStack to assess our architecture before a major product rebuild. They also took care of integrations with a couple of third-party tools we already used. We worked together for around 9 months.

  • Overall Rating 4.5
  • Quality 5.0
  • Schedule 5.0
  • Project Cost 4.0
  • Willing To Refer 5.0
Project Type:
IT Consulting
Project Cost:
Less than $10,000
Project Duration:
Jul 2025 - Apr 2026
Business Type:
Nonprofit & NGO
Location:
Dubai, UAE

Questions & Answers

Please describe your company, your role, and the industry you operate in.
We're a mid-sized Nonprofit & NGO company based in Dubai, UAE. I'm the Managing Director and I oversaw the project from start to finish.
What specific problem or business challenge led you to hire this company?
We needed to assess our architecture before a major product rebuild, and we didn't have the in-house capacity to do it ourselves.
What services did the company provide for your project?
IT Consulting, plus QA and some consulting on how to structure the project.
Why did you choose this company over other providers you considered?
We compared three or four agencies. GammaStack asked the best questions and had good reviews from past clients.
How clearly did the company understand your requirements and business goals?
They understood our goals quickly, partly because they had worked with Nonprofit & NGO 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. 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?
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?
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. They are a reliable IT Consulting partner.

Great team to work with — professional, responsive and reliable

Kelly Henderson / Chief Digital Officer | May 07, 2026

The project went well overall. 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. 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. Estimates on a few features were optimistic and those took longer than planned. We would definitely work with them again.

Project summary

GammaStack was brought in to redesign and rebuild our company website on a modern stack. They worked alongside our in-house team, which mostly handled business requirements and testing. The engagement ran for about 8 months.

  • Overall Rating 4.0
  • Quality 4.0
  • Schedule 4.0
  • Project Cost 4.0
  • Willing To Refer 5.0
Project Type:
Web Development
Project Cost:
$500,000+
Project Duration:
Jul 2025 - Mar 2026
Business Type:
Retail & E-commerce
Location:
Raleigh, USA

Questions & Answers

Please describe your company, your role, and the industry you operate in.
Cobalt Market is a Retail & E-commerce business in Raleigh, USA. As Chief Digital Officer, I was responsible for this project on our side and the main contact for GammaStack.
What specific problem or business challenge led you to hire this company?
We needed to redesign and rebuild our company website on a modern stack, and we didn't have the in-house capacity to do it ourselves.
What services did the company provide for your project?
Web Development, 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?
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?
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?
That they were proactive — they suggested improvements instead of just doing what was asked.
Would you recommend this company to others, and would you work with them again?
Definitely. We have already started talking about the next phase.

Professional team that made a complex project feel manageable

Luke Kelly / Program Manager | Mar 27, 2026

GammaStack did good work for us, and we would use them again. Even with the time zone difference, responses usually came the same day and we never felt left in the dark. The developers were knowledgeable and made a few suggestions that ended up saving us time and money. 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. We had to follow up a few times on smaller bug fixes after launch. I would recommend GammaStack to anyone looking for a dependable AI & Machine Learning partner.

Project summary

Our company worked with GammaStack 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 8 months.

  • Overall Rating 4.0
  • Quality 3.5
  • Schedule 4.0
  • Project Cost 4.5
  • Willing To Refer 5.0
Project Type:
AI & Machine Learning
Project Cost:
$500,000+
Project Duration:
Jun 2025 - Feb 2026
Business Type:
Logistics & Supply Chain
Location:
Adelaide, Australia

Questions & Answers

Please describe your company, your role, and the industry you operate in.
Northgate Freight Pty Ltd is a Logistics & Supply Chain business in Adelaide, Australia. As Program Manager, I was responsible for this project on our side and the main contact for GammaStack.
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 automate document data extraction that our team was doing by hand.
What services did the company provide for your project?
Mainly AI & Machine Learning. They also helped with the technical planning and a few integrations with our existing tools.
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 Logistics & Supply Chain 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?
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?
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?
That they were proactive — they suggested improvements instead of just doing what was asked.
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.

Solid IT Consulting Work With Clear Communication Throughout

Chris Reed / Co-Founder & CTO | Mar 24, 2026

I would rate this engagement highly on almost every front. The developers were knowledgeable and made a few suggestions that ended up saving us time and money. The team asked a lot of questions early on, which felt slow at first but meant there were very few surprises later.

The result looks great and performs well, and our internal team found it easy to take over. If you need a team that communicates well and delivers, they are a good choice.

Project summary

We engaged GammaStack to help us choose and plan the rollout of a new core system. Their team handled planning, development and QA, with our product owner signing off each milestone. The project took roughly 7 months from kickoff to launch.

  • Overall Rating 4.5
  • Quality 4.5
  • Schedule 5.0
  • Project Cost 4.0
  • Willing To Refer 5.0
Project Type:
IT Consulting
Project Cost:
$150,000 to $499,999
Project Duration:
Aug 2025 - Mar 2026
Business Type:
Aerospace & Defense
Location:
Charlotte, USA

Questions & Answers

Please describe your company, your role, and the industry you operate in.
We're a mid-sized Aerospace & Defense company based in Charlotte, USA. I'm the Co-Founder & CTO and I oversaw the project from start to finish.
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 help us choose and plan the rollout of a new core system.
What services did the company provide for your project?
End-to-end IT Consulting — 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 Aerospace & Defense 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?
Customer feedback has been positive, and we have seen better engagement since going live.
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. They are a reliable IT Consulting partner.

Good value and a team that genuinely cares about the result

Tom Holmes / Chief Digital Officer | Feb 10, 2026

We were very happy with how this project went. We dealt with the same core team throughout, so we did not have to keep re-explaining things. Their project manager kept things organised and was quick to flag anything that might affect the timeline.

The Blockchain Development work has already made a noticeable difference — tasks that used to take hours now take minutes. If you need a team that communicates well and delivers, they are a good choice.

Project summary

We partnered with GammaStack to build a Web3 dashboard and wallet integration for our platform. Scope included discovery workshops, development in two-week sprints and a short support period after launch. Overall it was a 4-month engagement.

  • Overall Rating 5.0
  • Quality 4.5
  • Schedule 4.5
  • Project Cost 5.0
  • Willing To Refer 5.0
Project Type:
Blockchain Development
Project Cost:
$500,000+
Project Duration:
Aug 2025 - Dec 2025
Business Type:
Retail & E-commerce
Location:
Cambridge, UK

Questions & Answers

Please describe your company, your role, and the industry you operate in.
Cobalt Goods Ltd is a Retail & E-commerce business in Cambridge, UK. As Chief Digital Officer, I was responsible for this project on our side and the main contact for GammaStack.
What specific problem or business challenge led you to hire this company?
Our existing setup was holding us back. We wanted to build a Web3 dashboard and wallet integration for our platform before our busy season.
What services did the company provide for your project?
End-to-end Blockchain 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?
Very well. They asked a lot of questions upfront and turned our rough ideas into a clear plan.
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. 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?
That they were proactive — they suggested improvements instead of just doing what was asked.
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.
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