About NS804
NS804 is a full-service development company is made up of full-time employees including designers, developers, project managers, and tester. They specialize in native iOS and Android mobile applications. They have been very successful at this by working with their clients as a valued partner trying insight, revenue streams and even ways to get users all while delivering quality code and beautiful designs.
Last updated May 13, 2026
Services
NS804 Reviews
Write a ReviewThe kind of web build that makes you wonder why you tolerated the old site for so long
Abdullah Al-Shehri / Head of Innovation - Desert Tech VenturesJun 02, 2026
Project summary: Our engineering capacity was committed to maintaining existing systems and could not absorb a net-new build of this complexity. An external partner with the right skills was the only viable option.
The project brief was ambitious and we had received proposals ranging from two to five times our eventual budget from other vendors. This team came back with a proposal that was commercially realistic and technically credible — and then delivered against it. That alignment between proposal and outcome is not something I take for granted. I have been on the other side of it enough times to know it requires both honesty in the sales process and discipline in delivery. We experienced both.
Collaborative culture that made the team feel like a genuine extension of our organisation, strong asynchronous communication across time zones, zero-drama handling of the inevitable mid-project changes
Their insistence on a detailed functional specification before development began felt like friction at the time. In retrospect, it was the reason the development phase ran without the ambiguity that has derailed similar projects for us previously
Questions & Answers
Observability stack that caught three production issues before any user reported them
Siobhan Gallagher / Chief Technology Officer - Northumbria FinTech LtdMay 31, 2026
Project summary: Our internal product thinking was strong but our execution capability in this specific technology domain was limited. We needed depth, not generalism.
The thing that retrospectively seems most significant is how little drama there was. Complex technology projects tend to accumulate incidents, escalations, and tense conversations. This one did not. Problems were surfaced before they became incidents. Scope changes were handled with process rather than conflict. Risks were managed rather than avoided. That level of maturity is rare in my experience and it made the delivery feel almost effortless from our side, which I know it was not from theirs.
Senior-level engineering presence throughout the entire project, not just during the pitch, honest and commercially fair handling of scope changes, codebase that our internal team praised on review
The quality of documentation they produce means our team needed to set aside dedicated review time to do it justice — a minor scheduling point rather than a genuine criticism
Questions & Answers
IT partner embedded deeply enough to understand our business, not just our ticket queue
Aoife Brennan / VP of Product Engineering - Emerald Digital LtdMar 31, 2026
Project summary: Warehouse management inefficiencies were adding cost and introducing errors at a rate that was becoming visible to clients. A modernised WMS was the agreed solution internally — we needed a partner to build it.
Six months after go-live our platform is processing three times the transaction volume we specified in the original brief. The architecture choices made during discovery accommodated that growth without remediation work. That is the difference between a team that designs for what you tell them and a team that designs for what you are likely to need. We are in conversation about a Phase 2 engagement and I expect to be using this partnership for several years.
Collaborative culture that made the team feel like a genuine extension of our organisation, strong asynchronous communication across time zones, zero-drama handling of the inevitable mid-project changes
Time zone coordination required some deliberate overlap management from both sides in the first couple of sprints, after which we had an efficient async rhythm that worked for the whole project
Questions & Answers
Technically rigorous, commercially grounded, and a genuine pleasure to work with
Niamh O'Sullivan / Director of Product - Munster Digital LtdMar 17, 2026
Project summary: Remote care had gone from an experiment to a core service line and our technology had not kept pace. We needed a robust, compliant telehealth platform in a timeline that the market would not wait for.
What made the most difference in practice was the quality of the engineering judgment on this team. Not the ability to execute a specification — that is a baseline expectation. The ability to recognise when a specification was suboptimal, explain why, propose an alternative, and support the client in making a decision about it. That consultative dimension elevated the output beyond what the brief described and resulted in a product that is more fit for purpose than the one we had originally specified.
Delivery timeline that proved achievable rather than optimistic, estimation accuracy that reflected real analysis rather than competitive bidding, scope discipline that prevented the feature creep we had experienced before
Their insistence on a detailed functional specification before development began felt like friction at the time. In retrospect, it was the reason the development phase ran without the ambiguity that has derailed similar projects for us previously
Questions & Answers
A development partner who treated our roadmap as carefully as their own
Dominic Fairfax / Head of Digital Transformation - Arcadian Consulting LtdMar 15, 2026
Project summary: Dynamic pricing had been a manual process for years. We knew the revenue management opportunity was significant but lacked the technical capability to build the models and connect them to our booking engine.
The project brief was ambitious and we had received proposals ranging from two to five times our eventual budget from other vendors. This team came back with a proposal that was commercially realistic and technically credible — and then delivered against it. That alignment between proposal and outcome is not something I take for granted. I have been on the other side of it enough times to know it requires both honesty in the sales process and discipline in delivery. We experienced both.
Deep domain knowledge that reduced the discovery overhead significantly, proactive risk identification before issues became incidents, delivery cadence that our stakeholders found reassuring
We underestimated the input required from our subject matter experts during the requirements phase. The team flagged this early but our resource planning did not fully reflect it — our responsibility, not theirs
Questions & Answers
Best mobile app partner we've ever worked with
Fatima Al-Hassan / VP Operations - Gulf Business SolutionsMay 25, 2024
Project summary: Our fintech product required a robust backend capable of handling high transaction volumes with strict regulatory compliance.
From the discovery workshop to the final handover, the experience was seamless. The team invested real effort in understanding our business goals before writing a single line of code, and that foundation paid dividends throughout. Every milestone was hit, every deliverable was polished, and the few issues that arose were resolved before we even had to ask. The solution has already delivered measurable ROI and we are planning our next engagement with them.
Deep technical expertise, professional project management, responsive support, great value
Minor timezone overlap challenges early on, resolved quickly with async communication
Questions & Answers
Best technology partner we have ever worked with
James Wilson / IT Director - Enterprise SystemsJul 06, 2023
Project summary: We engaged them to build a comprehensive solution addressing our core operational challenges and growth objectives.
From the discovery workshop to the final handover, the experience was seamless. The team invested real effort in understanding our business goals before writing a single line of code, and that foundation paid dividends throughout. Every milestone was hit, every deliverable was polished, and the few issues that arose were resolved before we even had to ask. The solution has already delivered measurable ROI and we are planning our next engagement with them.
Strong engineering skills, clear and consistent communication, flexible and collaborative approach
Wish we had engaged them sooner; no meaningful issues to report
Questions & Answers
Professional team that delivers excellence every time
Daniel White / Plant Manager - Manufacturing CorpOct 28, 2022
Project summary: The project demanded deep technical expertise and a thorough understanding of our business domain.
Exceptional work across every dimension. The team understood our complex requirements quickly, asked the right clarifying questions, and delivered a solution that exceeded what we thought was possible within our budget. Project management was tight, communication was excellent, and the quality of the codebase is something our engineers have praised repeatedly. We are already scoping the next phase with them.
Proactive risk management, domain expertise, fast turnaround on feedback, genuinely invested in our success
None — every aspect of the engagement exceeded our expectations