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Calls9

Unclaimed Mobile App Development
+441133506441 [email protected]
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About

?They build digital expertise for the web & mobile that drive company growth & increase team productivity. With growing demand for marketing & technology resources, Calls9 provide businesses & organizations innovative digital solutions that can be started quickly and easily. If you have a digital project you require help defining, designing or developing they would love to hear from you.

Last updated May 13, 2026

Services

Mobile App Development Web Development Custom Software Development

Client Rating

5.0/5.0
3 reviews
Quality
5.0
Schedule
5.0
Cost
5.0
Communication
5.0
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Client Reviews

5.0/5.0 (3 reviews)
Sign in to Review
Quality
5.0
Schedule
5.0
Cost
5.0
Communication
5.0

AI features are useful in production, not just demos

Kabir Shah / Head of Logistics - RouteLogix
Verified
May 15, 2026

Project summary: This initiative had cross-functional stakeholders and evolving requirements. We looked for a team that could translate business constraints into workable technical decisions.

This team handled a complicated integration landscape better than our previous vendors. They were practical about what should be built now versus deferred, which kept timelines realistic. Testing coverage was decent and they were transparent when defects appeared. We still maintain a short backlog of non-critical enhancements, but the platform is already delivering value.

PROS

Responsive support after launch and willingness to refine workflows based on real user behavior

CONS

Initial discovery could have been shorter; first two weeks felt documentation-heavy

5.0
Overall
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Communication
Project Type AI & Machine Learning
Industry Aerospace & Defense
Project Cost Less than $10,000
Duration Oct 2024 – Jun 2025

Questions & Answers

Please describe your company, your role, and the industry you operate in.
We are a mid-sized business in the Aerospace & Defense space, and I lead this function as Head of Logistics. I was responsible for evaluating vendors, aligning stakeholders, and ensuring the project delivered measurable operational gains.
What specific problem or business challenge led you to hire this company?
Our main challenge was that existing Aerospace & Defense workflows were fragmented and hard to scale. We needed AI & Machine Learning support to reduce manual effort, improve reliability, and give teams clearer visibility into day-to-day operations.
What services did the company provide for your project?
They handled discovery, technical planning, implementation, QA, deployment, and post-launch stabilization for AI & Machine Learning. Scope was phased sensibly, and they were clear about what should ship now versus move to a later release.
Why did you choose this company over other providers you considered?
We shortlisted a few firms, but this team stood out for their AI & Machine Learning experience and the way they discussed Aerospace & Defense constraints in practical terms. They were transparent about risks and did not overpromise on timelines.
How clearly did the company understand your requirements and business goals?
They understood our requirements well after a structured discovery phase. There were a couple of assumptions we corrected early, but once aligned, execution stayed consistent and traceable against agreed priorities.
How was your overall experience with their communication and project management?
Project management was strong: weekly checkpoints, a shared board, and clear ownership on action items. Response times were generally quick, and when blockers appeared, they surfaced them early with concrete mitigation steps.
Did the company deliver the project on time and within your expected budget?
Most milestones were delivered on time and within the approved budget. We had minor date movement on one integration-heavy stream, but it was communicated in advance and handled without major downstream impact.
What tangible results or business impact have you seen since the project was completed?
Yes. After go-live, we saw better process turnaround times, fewer support escalations, and stronger reporting accuracy. The platform is now a practical part of our daily operations rather than a side tool.
What did you like most about working with this company?
Two things stood out: they were candid about tradeoffs, and they stayed accountable through launch. We also liked that their engineers translated technical decisions into business implications our leadership team could evaluate.
Would you recommend this company to others, and would you work with them again?
Yes, especially for teams needing a dependable AI & Machine Learning partner in Aerospace & Defense. They are not the cheapest vendor, but they are organized, transparent, and focused on outcomes that hold up in production.

Good partner for complex software work with evolving scope

Aya Nakamura / Digital Strategy Manager - Shinra Foods
Verified
May 15, 2026

Project summary: This initiative had cross-functional stakeholders and evolving requirements. We looked for a team that could translate business constraints into workable technical decisions.

The project started with some ambiguity on our side, and they helped structure it without overcomplicating scope. Their discovery artifacts were clear, and engineering execution was disciplined. Performance improved noticeably after launch, especially for high-traffic workflows. A few UI details required polish post-release, but response time from their support team was good.

PROS

Responsive support after launch and willingness to refine workflows based on real user behavior

CONS

Timezone overlap was limited on some days, so urgent clarifications occasionally slipped by 24 hours

5.0
Overall
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Communication
Project Type Software Development
Industry Environmental Services
Project Cost $50,000 to $149,999
Duration Nov 2024 – Dec 2024

Questions & Answers

Please describe your company, your role, and the industry you operate in.
We are a mid-sized business in the Environmental Services space, and I lead this function as Digital Strategy Manager. I was responsible for evaluating vendors, aligning stakeholders, and ensuring the project delivered measurable operational gains.
What specific problem or business challenge led you to hire this company?
Our main challenge was that existing Environmental Services workflows were fragmented and hard to scale. We needed Software Development support to reduce manual effort, improve reliability, and give teams clearer visibility into day-to-day operations.
What services did the company provide for your project?
They handled discovery, technical planning, implementation, QA, deployment, and post-launch stabilization for Software Development. Scope was phased sensibly, and they were clear about what should ship now versus move to a later release.
Why did you choose this company over other providers you considered?
We shortlisted a few firms, but this team stood out for their Software Development experience and the way they discussed Environmental Services constraints in practical terms. They were transparent about risks and did not overpromise on timelines.
How clearly did the company understand your requirements and business goals?
They understood our requirements well after a structured discovery phase. There were a couple of assumptions we corrected early, but once aligned, execution stayed consistent and traceable against agreed priorities.
How was your overall experience with their communication and project management?
Project management was strong: weekly checkpoints, a shared board, and clear ownership on action items. Response times were generally quick, and when blockers appeared, they surfaced them early with concrete mitigation steps.
Did the company deliver the project on time and within your expected budget?
Most milestones were delivered on time and within the approved budget. We had minor date movement on one integration-heavy stream, but it was communicated in advance and handled without major downstream impact.
What tangible results or business impact have you seen since the project was completed?
Yes. After go-live, we saw better process turnaround times, fewer support escalations, and stronger reporting accuracy. The platform is now a practical part of our daily operations rather than a side tool.
What did you like most about working with this company?
Two things stood out: they were candid about tradeoffs, and they stayed accountable through launch. We also liked that their engineers translated technical decisions into business implications our leadership team could evaluate.
Would you recommend this company to others, and would you work with them again?
Yes, especially for teams needing a dependable Software Development partner in Environmental Services. They are not the cheapest vendor, but they are organized, transparent, and focused on outcomes that hold up in production.

Professional partner that understood business context

Ritika Nair / Academic Technology Lead - ClassroomGrid
Verified
May 15, 2026

Project summary: Unplanned downtime and disconnected reporting were hurting throughput. We aimed for a phased digital rollout that could prove value early without disrupting operations.

The engagement was well-run overall. Their team mapped our requirements into a realistic release plan and called out dependencies early, which helped us avoid late surprises. Quality was strong in the core modules, and they handled feedback quickly during UAT. We did need an extra sprint for edge-case behavior around reporting filters, but they owned it and closed it cleanly.

PROS

Ability to translate business goals into usable product decisions, not just technical output

CONS

A few UI polish items spilled into post-launch, though core functionality was stable

5.0
Overall
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Communication
Project Type POS System Development
Industry Manufacturing
Project Cost Less than $10,000
Duration Jun 2025 – Dec 2025

Questions & Answers

Please describe your company, your role, and the industry you operate in.
We are a mid-sized business in the Manufacturing space, and I lead this function as Academic Technology Lead. I was responsible for evaluating vendors, aligning stakeholders, and ensuring the project delivered measurable operational gains.
What specific problem or business challenge led you to hire this company?
Our main challenge was that existing Manufacturing workflows were fragmented and hard to scale. We needed POS System Development support to reduce manual effort, improve reliability, and give teams clearer visibility into day-to-day operations.
What services did the company provide for your project?
They handled discovery, technical planning, implementation, QA, deployment, and post-launch stabilization for POS System Development. Scope was phased sensibly, and they were clear about what should ship now versus move to a later release.
Why did you choose this company over other providers you considered?
We shortlisted a few firms, but this team stood out for their POS System Development experience and the way they discussed Manufacturing constraints in practical terms. They were transparent about risks and did not overpromise on timelines.
How clearly did the company understand your requirements and business goals?
They understood our requirements well after a structured discovery phase. There were a couple of assumptions we corrected early, but once aligned, execution stayed consistent and traceable against agreed priorities.
How was your overall experience with their communication and project management?
Project management was strong: weekly checkpoints, a shared board, and clear ownership on action items. Response times were generally quick, and when blockers appeared, they surfaced them early with concrete mitigation steps.
Did the company deliver the project on time and within your expected budget?
Most milestones were delivered on time and within the approved budget. We had minor date movement on one integration-heavy stream, but it was communicated in advance and handled without major downstream impact.
What tangible results or business impact have you seen since the project was completed?
Yes. After go-live, we saw better process turnaround times, fewer support escalations, and stronger reporting accuracy. The platform is now a practical part of our daily operations rather than a side tool.
What did you like most about working with this company?
Two things stood out: they were candid about tradeoffs, and they stayed accountable through launch. We also liked that their engineers translated technical decisions into business implications our leadership team could evaluate.
Would you recommend this company to others, and would you work with them again?
Yes, especially for teams needing a dependable POS System Development partner in Manufacturing. They are not the cheapest vendor, but they are organized, transparent, and focused on outcomes that hold up in production.

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