4one

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Details

Founded:
2007
Hourly Rates:
$25 - $49 / hr
Employees:
2 - 9
Ratings:
4.3 8 Reviews

Industries Served

Retail & E-commerce Real Estate Energy & Utilities Aerospace & Defense Environmental Services Automotive Agriculture Gaming & Gambling

Where We Specialize

26% IT Consulting
IT Consulting 26%
Blockchain Development 16%
Mobile App Development 14%
Bot Development 14%
IT Services 12%
Software Development 10%
Web3 5%
AI Development 3%

Industry Expertise

Automotive62% Logistics38%

Typical Project Size

57% Enterprise
33% Small Business
10% Midmarket Business

About

Since 2007, 4one has operated as a technology services provider. 4one focuses on Mobile App Development and Web Development. Its team includes 2 - 9 specialists working across design, development, and delivery. Projects are generally billed around $25 - $49 / hr/hr. 4one operates out of Madrid, Spain. This gives a quick snapshot of what to expect when working with 4one.

4one Reviews

4.3 8 Reviews
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Exceeded our expectations on quality and communication

Owen Wilson / Head of Product | Sep 23, 2026

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

Since launch, everything has been stable and our team has adapted to it quickly. If you need a team that communicates well and delivers, they are a good choice.

Project summary

We engaged 4one to manage our servers, backups and helpdesk. The project was split into milestones, with a working build shared at the end of each one. The project took roughly 8 months from kickoff to launch.

  • Overall Rating 4.5
  • Quality 4.5
  • Schedule 4.0
  • Project Cost 4.5
  • Willing To Refer 5.0
Project Type:
IT Managed Services
Project Cost:
$150,000 to $499,999
Project Duration:
Nov 2025 - Jul 2026
Business Type:
Retail & E-commerce
Location:
Edmonton, Canada

Questions & Answers

Please describe your company, your role, and the industry you operate in.
I'm the Head of Product at Swift Market Inc, a Retail & E-commerce company based in Edmonton, Canada. 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 manage our servers, backups and helpdesk.
What services did the company provide for your project?
End-to-end IT Managed Services — 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?
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?
Customer feedback has been positive, and we have seen better engagement since going live.
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.

Professional team that made a complex project feel manageable

Isla Stewart / Founder & CEO | Sep 09, 2026

Honestly, this was one of the smoothest projects we have run with an outside team. 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. 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. We are already discussing the next phase with them.

Project summary

We engaged 4one to build a custom operations platform to replace the spreadsheets and email threads we were running the business on. 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 4.5
  • Schedule 4.5
  • Project Cost 4.5
  • Willing To Refer 5.0
Project Type:
Software Development
Project Cost:
$50,000 to $149,999
Project Duration:
Jun 2026 - Aug 2026
Business Type:
Real Estate
Location:
Sydney, Australia

Questions & Answers

Please describe your company, your role, and the industry you operate in.
I work as Founder & CEO at Crestview Estates Pty Ltd. We operate in Real Estate and most of our customers are in and around Sydney, Australia.
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 custom operations platform to replace the spreadsheets and email threads we were running the business on.
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?
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?
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?
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've already recommended them to a couple of people I know.

Quality work, a little slower than we planned

Fatima Al Nuaimi / Senior Product Manager | Aug 04, 2026

The final product works well for us, although the process could have been smoother. Even with the time zone difference, responses usually came the same day and we never felt left in the dark. We dealt with the same core team throughout, so we did not have to keep re-explaining things. They took the time to understand our business before suggesting anything, which we appreciated after previous agencies jumped straight into building.

Feedback from our customers has been very positive so far. We had to follow up a few times on smaller bug fixes after launch.

Happy to recommend them.

Project summary

4one was brought in to manage our servers, backups and helpdesk. They also took care of integrations with a couple of third-party tools we already used. The project took roughly 6 months from kickoff to launch.

  • Overall Rating 3.5
  • Quality 3.5
  • Schedule 3.5
  • Project Cost 4.0
  • 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:
Energy & Utilities
Location:
Sharjah, UAE

Questions & Answers

Please describe your company, your role, and the industry you operate in.
We're a mid-sized Energy & Utilities company based in Sharjah, UAE. I'm the Senior Product Manager and I oversaw the project from start to finish.
What specific problem or business challenge led you to hire this company?
We needed to manage our servers, backups and helpdesk, and we didn't have the in-house capacity to do it ourselves.
What services did the company provide for your project?
IT Managed Services, 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?
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 IT Managed Services partner.

Delivered on time and stayed involved after launch

Emily Evans / Founder | Jun 18, 2026

Our experience with 4one was really positive from start to finish. They were upfront about what was realistic within our budget, which helped us prioritise the right features. The developers were knowledgeable and made a few suggestions that ended up saving us time and money. 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.

I would recommend 4one to anyone looking for a dependable Blockchain Development partner.

Project summary

We partnered with 4one to build a Web3 dashboard and wallet integration for our platform. The project was split into milestones, with a working build shared at the end of each one. The engagement ran for about 8 months.

  • Overall Rating 4.5
  • Quality 5.0
  • Schedule 4.5
  • Project Cost 4.0
  • Willing To Refer 5.0
Project Type:
Blockchain Development
Project Cost:
Less than $10,000
Project Duration:
Sep 2025 - May 2026
Business Type:
Aerospace & Defense
Location:
Reading, UK

Questions & Answers

Please describe your company, your role, and the industry you operate in.
I'm the Founder at Copper Leaf Aviation, a Aerospace & Defense company based in Reading, 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?
We had tried to do this internally and it stalled. We needed specialists to build a Web3 dashboard and wallet integration for our platform.
What services did the company provide for your project?
Blockchain 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 Aerospace & Defense 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?
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?
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?
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.

Solid delivery, though timelines needed some pushing

Lachlan Smith / Operations Manager | May 03, 2026

We got a good result in the end, but the road there had a few bumps. Their project manager kept things organised and was quick to flag anything that might affect the timeline. 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.

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

Project summary

We engaged 4one to build a supply chain traceability prototype on a permissioned blockchain. They worked alongside our in-house team, which mostly handled business requirements and testing. Overall it was a 3-month engagement.

  • Overall Rating 3.5
  • Quality 3.5
  • Schedule 3.5
  • Project Cost 4.0
  • Willing To Refer 5.0
Project Type:
Blockchain Development
Project Cost:
$50,000 to $149,999
Project Duration:
Jan 2026 - Apr 2026
Business Type:
Environmental Services
Location:
Brisbane, Australia

Questions & Answers

Please describe your company, your role, and the industry you operate in.
I'm the Operations Manager at Beacon Recycling Pty Ltd, a Environmental Services company based in Brisbane, 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 needed to build a supply chain traceability prototype on a permissioned blockchain, and we didn't have the in-house capacity to do it ourselves.
What services did the company provide for your project?
Blockchain Development, including planning, development, testing and launch support.
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?
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?
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?
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, I would recommend them and we plan to work with them again.

Great Experience With 4one on Our Software Development Project

Marcus Chua / Owner | Apr 20, 2026

Our experience with 4one was really positive from start to finish. The team asked a lot of questions early on, which felt slow at first but meant there were very few surprises later. 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.

Feedback from our customers has been very positive so far. We are already discussing the next phase with them.

Project summary

Our company worked with 4one to rebuild an internal order management system that had outgrown its original design. The work covered requirements, design, development, testing and launch support. The engagement ran for about 9 months.

  • Overall Rating 4.5
  • Quality 4.5
  • Schedule 4.5
  • Project Cost 4.0
  • Willing To Refer 5.0
Project Type:
Software Development
Project Cost:
$10,000 to $49,999
Project Duration:
Jun 2025 - Mar 2026
Business Type:
Automotive
Location:
Singapore

Questions & Answers

Please describe your company, your role, and the industry you operate in.
Cobalt Auto Group Pte Ltd is a Automotive business in Singapore. As Owner, I was responsible for this project on our side and the main contact for 4one.
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, including planning, development, testing and launch support.
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?
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?
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. They are a reliable Software Development partner.

A reliable long-term partner for our tech needs

Zoe O'Brien / Chief Digital Officer | Apr 05, 2026

4one did an excellent job for us. The team asked a lot of questions early on, which felt slow at first but meant there were very few surprises later. 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. We would definitely work with them again.

Project summary

We hired 4one to rebuild our existing mobile app, which had poor reviews and frequent crashes. Scope included discovery workshops, development in two-week sprints and a short support period after launch. The engagement ran for about 8 months.

  • Overall Rating 5.0
  • Quality 5.0
  • Schedule 5.0
  • Project Cost 5.0
  • Willing To Refer 5.0
Project Type:
Mobile App Development
Project Cost:
$50,000 to $149,999
Project Duration:
Jun 2025 - Feb 2026
Business Type:
Agriculture
Location:
Sydney, Australia

Questions & Answers

Please describe your company, your role, and the industry you operate in.
I'm the Chief Digital Officer at Ironwood Growers, a Agriculture company based in Sydney, 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?
Our existing setup was holding us back. We wanted to rebuild our existing mobile app, which had poor reviews and frequent crashes before our busy season.
What services did the company provide for your project?
Mobile App 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?
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?
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?
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.

4one Delivered a Quality Mobile App Development Solution on Time

Ashley Bennett / Director | Feb 18, 2026

Overall we had a good experience working with 4one. Communication was consistent. We had a weekly call, a shared Slack channel and a project board we could check at any time. They took the time to understand our business before suggesting anything, which we appreciated after previous agencies jumped straight into building.

Feedback from our customers has been very positive so far. Estimates on a few features were optimistic and those took longer than planned.

Happy to recommend them.

Project summary

We partnered with 4one to build iOS and Android apps for our customers, including booking, payments and push notifications. Their team handled planning, development and QA, with our product owner signing off each milestone. The engagement ran for about 6 months.

  • Overall Rating 4.0
  • Quality 3.5
  • Schedule 4.0
  • Project Cost 4.5
  • Willing To Refer 5.0
Project Type:
Mobile App Development
Project Cost:
Less than $10,000
Project Duration:
Jul 2025 - Jan 2026
Business Type:
Gaming & Gambling
Location:
Chicago, USA

Questions & Answers

Please describe your company, your role, and the industry you operate in.
We're a mid-sized Gaming & Gambling company based in Chicago, USA. I'm the Director 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 build iOS and Android apps for our customers, including booking, payments and push notifications so they could focus on customers.
What services did the company provide for your project?
Mobile App Development, including planning, development, testing and launch support.
Why did you choose this company over other providers you considered?
They had relevant experience in Gaming & Gambling 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?
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?
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?
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?
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 would recommend them and we plan to work with them again.
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