Details

Founded:
2001
Hourly Rates:
$25 - $49 / hr
Employees:
2 - 9
Ratings:
4.1 8 Reviews

Industries Served

Logistics & Supply Chain Insurance Healthcare Education Energy & Utilities Legal Services Automotive

Where We Specialize

41% AI Development
AI Development 41%
Software Development 16%
Mobile App Development 12%
Bot Development 9%
Web Development 8%
Game Development 7%
Ruby on Rails 7%

Industry Expertise

FinTech100%

Typical Project Size

51% Small Business
33% Enterprise
16% Midmarket Business

About

GBM works with clients to plan, build, and ship digital products. The company's main offerings are Mobile App Development and Digital Marketing. With 2 - 9 people on staff, GBM can take on projects of varying size. Typical hourly rates run around $25 - $49 / hr/hr. Their home base is Pudong, China. This gives a quick snapshot of what to expect when working with GBM.

GBM Reviews

4.1 8 Reviews
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Solid delivery, though timelines needed some pushing

Heather Johnson / Project Manager | Oct 07, 2026

The final product works well for us, although the process could have been smoother. They shared working builds regularly, so we could test early and give feedback before things were locked in. They were upfront about what was realistic within our budget, which helped us prioritise the right features. We dealt with the same core team throughout, so we did not have to keep re-explaining things.

The result looks great and performs well, and our internal team found it easy to take over. There were some early misunderstandings on requirements that took a few rounds to sort out.

We would definitely work with them again.

Project summary

We partnered with GBM to build iOS and Android apps for our customers, including booking, payments and push notifications. The project was split into milestones, with a working build shared at the end of each one. Overall it was a 4-month engagement.

  • 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 - Sep 2026
Business Type:
Logistics & Supply Chain
Location:
San Diego, USA

Questions & Answers

Please describe your company, your role, and the industry you operate in.
Nimbus Freight is a Logistics & Supply Chain business in San Diego, USA. As Project Manager, I was responsible for this project on our side and the main contact for GBM.
What specific problem or business challenge led you to hire this company?
We needed to build iOS and Android apps for our customers, including booking, payments and push notifications, and we didn't have the in-house capacity to do it ourselves.
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?
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?
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. 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?
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.

Professional team that made a complex project feel manageable

Anna Schmidt / VP of Engineering | Sep 03, 2026

Overall we had a good experience working with GBM. 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. Their project manager kept things organised and was quick to flag anything that might affect the timeline.

We are already seeing better numbers than before the project. A couple of milestones slipped by a week or so, mostly around testing.

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

Project summary

We partnered with GBM 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. The project took roughly 7 months from kickoff to launch.

  • Overall Rating 4.0
  • Quality 4.5
  • Schedule 3.5
  • Project Cost 4.0
  • Willing To Refer 5.0
Project Type:
Web Development
Project Cost:
$150,000 to $499,999
Project Duration:
Dec 2025 - Jul 2026
Business Type:
Insurance
Location:
Munich, Germany

Questions & Answers

Please describe your company, your role, and the industry you operate in.
Lakeshore Insurance GmbH is a Insurance business in Munich, Germany. As VP of Engineering, I was responsible for this project on our side and the main contact for GBM.
What specific problem or business challenge led you to hire this company?
We needed to build a customer portal where clients can log in, track orders and download invoices, 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?
We compared three or four agencies. GBM asked the best questions and had good reviews from past clients.
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, on time and within budget.
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.

Easy to work with and very transparent on timelines and cost

Jonas Müller / Owner | Aug 12, 2026

Overall we had a good experience working with GBM. They shared working builds regularly, so we could test early and give feedback before things were locked in. Their project manager kept things organised and was quick to flag anything that might affect the timeline.

The result looks great and performs well, and our internal team found it easy to take over. Documentation at handover was a bit thin and we had to ask for more detail. I would recommend GBM to anyone looking for a dependable AI & Machine Learning partner.

Project summary

Our company worked with GBM 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. Overall it was a 2-month engagement.

  • Overall Rating 4.0
  • Quality 4.0
  • Schedule 4.5
  • Project Cost 3.5
  • Willing To Refer 5.0
Project Type:
AI & Machine Learning
Project Cost:
$10,000 to $49,999
Project Duration:
Apr 2026 - Jun 2026
Business Type:
Healthcare
Location:
Cologne, Germany

Questions & Answers

Please describe your company, your role, and the industry you operate in.
Summit Health GmbH is a Healthcare business in Cologne, Germany. As Owner, I was responsible for this project on our side and the main contact for GBM.
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?
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?
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?
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?
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.

Good work overall, with a few bumps along the way

Lena Hoffmann / Engineering Manager | Jul 05, 2026

Overall the project was a success, though it was not without some challenges. They took the time to understand our business before suggesting anything, which we appreciated after previous agencies jumped straight into building. 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.

It has made a real difference to how our team works day to day. Documentation at handover was a bit thin and we had to ask for more detail. If you need a team that communicates well and delivers, they are a good choice.

Project summary

GBM was brought in 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. The engagement ran for about 4 months.

  • Overall Rating 4.0
  • Quality 3.5
  • Schedule 4.0
  • Project Cost 3.5
  • Willing To Refer 5.0
Project Type:
Web Development
Project Cost:
$150,000 to $499,999
Project Duration:
Feb 2026 - Jun 2026
Business Type:
Education
Location:
Cologne, Germany

Questions & Answers

Please describe your company, your role, and the industry you operate in.
I work as Engineering Manager at Stonebridge Learning GmbH. We operate in Education and most of our customers are in and around Cologne, Germany.
What specific problem or business challenge led you to hire this company?
Our existing setup was holding us back. We wanted to rebuild a slow, outdated web app and move it to a new framework before our busy season.
What services did the company provide for your project?
Mainly Web Development. 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 Education 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?
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?
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.

Delivered on time and stayed involved after launch

Johan Botha / Founder | May 20, 2026

I would rate this engagement highly on almost every front. They took the time to understand our business before suggesting anything, which we appreciated after previous agencies jumped straight into building. They shared working builds regularly, so we could test early and give feedback before things were locked in.

We launched on schedule and have not had any major issues since. We would definitely work with them again.

Project summary

We engaged GBM to develop a scheduling and dispatch tool for our field team. The project was split into milestones, with a working build shared at the end of each one. The engagement ran for about 7 months.

  • Overall Rating 4.5
  • Quality 5.0
  • Schedule 5.0
  • Project Cost 4.5
  • Willing To Refer 5.0
Project Type:
Software Development
Project Cost:
$50,000 to $149,999
Project Duration:
Sep 2025 - Apr 2026
Business Type:
Energy & Utilities
Location:
Johannesburg, South Africa

Questions & Answers

Please describe your company, your role, and the industry you operate in.
We're a mid-sized Energy & Utilities company based in Johannesburg, South Africa. I'm the Founder 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 develop a scheduling and dispatch tool for our field team before our busy season.
What services did the company provide for your project?
End-to-end Software Development — from requirements and design through to deployment and a support period afterwards.
Why did you choose this company over other providers you considered?
A colleague recommended them, and our first calls confirmed they understood what we needed.
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?
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?
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 would recommend them and we plan to work with them again.

Skilled Mobile App Development Team That Understood Our Business

Bec Murphy / Managing Director | May 04, 2026

GBM did good work for us, and we would use them again. They took the time to understand our business before suggesting anything, which we appreciated after previous agencies jumped straight into building. 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. 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. Documentation at handover was a bit thin and we had to ask for more detail. If you need a team that communicates well and delivers, they are a good choice.

Project summary

We partnered with GBM to build iOS and Android apps for our customers, including booking, payments and push notifications. Scope included discovery workshops, development in two-week sprints and a short support period after launch. The engagement ran for about 9 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:
$150,000 to $499,999
Project Duration:
Jul 2025 - Apr 2026
Business Type:
Education
Location:
Perth, Australia

Questions & Answers

Please describe your company, your role, and the industry you operate in.
I'm the Managing Director at Clearfield Tutors Pty Ltd, a Education company based in Perth, Australia. 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?
We had tried to do this internally and it stalled. We needed specialists to build iOS and Android apps for our customers, including booking, payments and push notifications.
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?
They had relevant experience in Education 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?
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?
Customer feedback has been positive, and we have seen better engagement since going live.
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.

GBM Delivered a Quality AI & Machine Learning Solution on Time

Marcus Ng / Engineering Manager | Apr 17, 2026

Overall we had a good experience working with GBM. We dealt with the same core team throughout, so we did not have to keep re-explaining things. The team asked a lot of questions early on, which felt slow at first but meant there were very few surprises later. They took the time to understand our business before suggesting anything, which we appreciated after previous agencies jumped straight into building.

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.

We are already discussing the next phase with them.

Project summary

We hired GBM to automate document data extraction that our team was doing by hand. Scope included discovery workshops, development in two-week sprints and a short support period after launch. The engagement ran for about 7 months.

  • Overall Rating 4.0
  • Quality 4.5
  • Schedule 4.5
  • Project Cost 4.5
  • Willing To Refer 5.0
Project Type:
AI & Machine Learning
Project Cost:
$150,000 to $499,999
Project Duration:
Jul 2025 - Feb 2026
Business Type:
Legal Services
Location:
Singapore

Questions & Answers

Please describe your company, your role, and the industry you operate in.
I'm the Engineering Manager at Greenfield Law Group Pte Ltd, a Legal Services company based in Singapore. 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 existing setup was holding us back. We wanted to automate document data extraction that our team was doing by hand before our busy season.
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?
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?
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?
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?
Customer feedback has been positive, and we have seen better engagement since going live.
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. They are a reliable AI & Machine Learning partner.

Reliable Software Development Partner That Delivered What They Promised

Hannah Hughes / Program Manager | Mar 10, 2026

Honestly, this was one of the smoothest projects we have run with an outside team. Even with the time zone difference, responses usually came the same day and we never felt left in the dark. 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 Software Development work has already made a noticeable difference — tasks that used to take hours now take minutes. I would recommend GBM to anyone looking for a dependable Software Development partner.

Project summary

GBM was brought in to rebuild an internal order management system that had outgrown its original design. They also took care of integrations with a couple of third-party tools we already used. The project took roughly 2 months from kickoff to launch.

  • Overall Rating 5.0
  • Quality 4.5
  • Schedule 5.0
  • Project Cost 5.0
  • Willing To Refer 5.0
Project Type:
Software Development
Project Cost:
$500,000+
Project Duration:
Dec 2025 - Feb 2026
Business Type:
Automotive
Location:
Nottingham, UK

Questions & Answers

Please describe your company, your role, and the industry you operate in.
I'm the Program Manager at Crestview Auto Group Ltd, a Automotive company based in Nottingham, UK. 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 existing setup was holding us back. We wanted to rebuild an internal order management system that had outgrown its original design before our busy season.
What services did the company provide for your project?
Software 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?
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?
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?
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?
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. They are a reliable Software Development partner.
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