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ZESIUM

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4.2/5 (6 reviews)
+381212702280 jovan.stojanovic@zesium.com Visit Website

About ZESIUM

Their mission is to develop the best products and implement solutions to the world's problems while challenging themselves in developing an outstanding technology. Their vision is to use business to inspire change and give our contribution to the world. With a proactive way to work, they are decided to develop most unique and advanced mobile solutions. As a team, they consult, design and develop outstanding products for our clients.

Last updated May 13, 2026

Services

Mobile App Development Web Development VR App Development AR App Development UI-UX Design Custom Software Development Web Design

Industries Served

Nonprofit & NGO Aerospace & Defense Advertising & Marketing Food & Beverage

ZESIUM Reviews

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Custom pipeline configuration that maps exactly to how our team actually sells

Clémentine Aubert / Head of Digital Products - Arc-en-Ciel Digital SAS
Verified
Feb 07, 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 technical quality of the final deliverable is the easiest thing to point to. The automated test coverage is thorough, the deployment pipeline is reliable, the documentation is genuinely useful rather than ceremonially produced. But the metric I keep returning to is the number of post-launch conversations we have not had to have. No incident calls at two in the morning. No emergency patches. No retrospective discussions about what went wrong. The absence of those events is the evidence I would show to someone considering this vendor.

PROS

Deep domain knowledge that reduced the discovery overhead significantly, proactive risk identification before issues became incidents, delivery cadence that our stakeholders found reassuring

CONS

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

4.0
Overall
4.5
Quality
4.0
Schedule
4.0
Cost
3.5
Communication
Project TypeCRM Development
IndustryFood & Beverage
Project Cost$10,000 to $49,999
DurationJul 2025 – Dec 2025

Questions & Answers

Please describe your company, your role, and the industry you operate in.
As Head of Digital Products at Arc-en-Ciel Digital SAS I oversee technology investment and delivery across our Food & Beverage operations in Bordeaux, France. We are a commercially focused business and our technology choices are always evaluated in terms of their direct contribution to business outcomes rather than technical elegance alone.
What specific problem or business challenge led you to hire this company?
Regulatory requirements in our Food & Beverage segment had changed and the compliance timeline was set by our regulator, not by us. The CRM Development changes required were significant enough to justify engaging a specialist partner rather than diverting our internal team from the product roadmap.
What services did the company provide for your project?
End-to-end CRM Development delivery with particular depth in the integration and data migration components, which were the highest-risk elements of the programme. They supplemented this with a dedicated QA resource throughout development and a documented runbook for our operations team at handover.
Why did you choose this company over other providers you considered?
The quality of the questions they asked during the briefing process was the first indicator. Vendors who ask precise questions in the sales phase tend to apply the same rigour during delivery. That hypothesis proved accurate. The technical proposal was substantive, the team structure was senior throughout, and the pricing was transparent.
How clearly did the company understand your requirements and business goals?
Comprehensively. The discovery phase they ran was more thorough than anything we had experienced with previous vendors. They challenged requirements that were vague or contradictory, proposed alternatives where our initial thinking was limiting, and produced a functional specification that our internal stakeholders agreed was the clearest articulation of the product they had seen written down.
How was your overall experience with their communication and project management?
Professional and efficient. The project manager maintained a clear view of the critical path at all times and communicated changes to it transparently. The one significant scope adjustment we made mid-project was handled through a clean change request process — fairly priced, clearly documented, and absorbed without disrupting the overall timeline.
Did the company deliver the project on time and within your expected budget?
On time and within the approved budget. The estimation accuracy was notable — they had broken the work down in sufficient detail during discovery that their forecast proved reliable throughout, rather than being a number that shifted with every change in scope. We received one change request and it was for scope we had introduced ourselves.
What tangible results or business impact have you seen since the project was completed?
Quantifying the impact precisely is complicated by other variables in our business, but the metrics we can attribute directly to the CRM Development work are meaningful: session duration up, conversion rate up, error rate down, and our NPS for the digital touchpoint has improved by eleven points. Our account managers report that the new capability is coming up positively in client conversations.
What did you like most about working with this company?
Their instinct for keeping the business objective visible throughout technical decision-making. I have worked with technically excellent teams who lose the strategic thread as complexity increases. This team maintained a clear connection between every architectural choice and the outcome we had agreed to achieve. That orientation made the trade-off conversations significantly easier.
Would you recommend this company to others, and would you work with them again?
Yes, without reservation. I have already made two direct referrals within my Food & Beverage network — in both cases to peers facing CRM Development challenges similar to ours. I gave those referrals with confidence because I knew the experience I described was reproducible, not the result of exceptional circumstances on our engagement.

Company Info

Founded 2003
Employees 50 - 249
Hourly Rate $25 - $49
Client Rating 4.2/5 (6 reviews)

Rating Breakdown

Quality
4.1
Schedule
4.2
Cost
4.3
Communication
4.1

FAQs

Does ZESIUM actually build with AI, or just talk about it?
Plenty of modern software teams, ZESIUM included, now build real AI and machine learning features — chatbots, predictive models, computer vision, and automation that goes beyond simple rule-based scripts. For context, its listed capabilities span AR App Development, Custom Software Development, Mobile App Development, UI-UX Design and VR App Development, and it has been operating since 2003.
What kinds of industries has ZESIUM actually built for?
ZESIUM has delivered projects across a range of different industries, including Advertising & Marketing, Food & Beverage, Aerospace & Defense and Nonprofit & NGO.
Does ZESIUM only work locally, or take on clients elsewhere too?
ZESIUM isn't necessarily limited to one region and may take on clients across several countries, including Serbia, depending on market demand and business partnerships.
Would ZESIUM be a good fit for an early-stage startup?
Generally, yes — companies like ZESIUM tend to work well with startups because of what they typically offer: MVP builds, product strategy input, architecture that can scale later, and dedicated teams that keep costs manageable while still moving fast. For context, it has experience across industries such as Advertising & Marketing, Food & Beverage, Aerospace & Defense and Nonprofit & NGO, and its average project cost is reported at $5000000+.
Roughly how long does a project with ZESIUM take start to finish?
It depends heavily on scope. A lean MVP might be a matter of weeks, while a full enterprise system or a larger digital transformation project can stretch into months once you factor in development, testing, and deployment. With a team of 50 - 249 professionals, ZESIUM can scale resources based on project urgency.
Has ZESIUM actually shipped a SaaS product before?
It's a common line of work for a company like ZESIUM — multi-tenant architecture, subscription billing hooked up properly, and cloud-native deployment built for a product meant to scale as a service rather than a one-off build. For context, its listed capabilities span AR App Development, Custom Software Development, Mobile App Development, UI-UX Design and VR App Development, and its typical hourly rate is around $25 - $49.
What kind of software work does ZESIUM take on?
ZESIUM typically covers the standard range of software development work — mobile apps, web platforms, custom internal tools, UI/UX design, cloud infrastructure, AI integrations, and larger enterprise builds. Its core focus areas include AR App Development, Custom Software Development, Mobile App Development, UI-UX Design and VR App Development.
Will ZESIUM sign an NDA before we even discuss the project in detail?
Most professional shops, including ZESIUM, expect to sign a Non-Disclosure Agreement before getting into specifics — it's a fairly standard ask and a reasonable one to make before sharing anything sensitive. For context, its listed capabilities span AR App Development, Custom Software Development, Mobile App Development, UI-UX Design and VR App Development, and it reports a team size of 50 - 249 professionals.
What's actually in ZESIUM's technical toolkit?
The exact stack shifts by project, but ZESIUM commonly works across things like React, Angular, Vue.js, Node.js, Python, .NET, Java, PHP, Flutter, React Native, native iOS and Android, and cloud platforms like AWS and Azure. For context, it has served clients in Serbia, and its average project cost is reported at $5000000+.

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