Web application development
Web apps that run your business.
Business platforms, SaaS, extranets, internal tools: we build custom, secure solutions ready to grow with you.
Web application experts
Trust your application to digital specialists.
More than a vendor, we want to be your technical partner. We always start by immersing ourselves in your business and the goals you want to reach.
That way our experts bring ideas to the table and design the right solution with you, from architecture to user experience.
Our commitment
A simple, transparent collaboration.
Clear, detailed estimates
Your project is precisely priced: you see the budget and time for every feature.
Weekly releases
Iterative sprints and a release every week so you can test and approve new features.
Dedicated contact
A project manager who listens, advises and presents every milestone.
Tailored team
We assemble a team sized for your design, development and timeline needs.
Responsive support
Our commitment continues after launch: our team is reachable 7 days a week.
Our methodology
A complete offer to make your application succeed.
Our consultants support you before, during and after every step to deliver a quality, competitive solution.
Planning
We deeply analyse your goals and your users’ needs, then co-design a tailored technical solution with you in dedicated workshops.
Design
Our creative team designs a modern, ergonomic interface built for your users and to set you apart from competitors.
Front-end
We build the interface your users interact with, using modern frameworks and reusable components.
Back-end
Data, authentication, business logic, third-party integrations: we build a robust back-end on the right database.
Security
Authentication, authorisation, data validation and protection against common attacks (SQL injection, XSS, CSRF, brute force).
Testing
Features, browser compatibility, performance: we test everything and fix iteratively, with automated tests.
Deployment
We deploy your application to a server or the cloud, configured to handle traffic and stay available.
Maintenance
Updates, security patches, new features: ongoing maintenance keeps your application fast and competitive.
Build your web app with Octogone
An app project? Let’s talk.
We review your project for free and send you a precise estimate with a strategy built around your goals.
And much more
Our other areas of expertise.
Websites
Modern, fast websites built for search engines from day one.
Mobile apps
Native or cross-platform iOS and Android apps, shipped to the stores.
E-commerce
An online store that turns visitors into loyal customers.
Managed hosting
Fast servers, backups and 24/7 support — we take care of everything.
Client reviews
They say it better than we do.
Since day one we have helped many companies create or redesign their website or app. Their feedback is our greatest pride.
“Octogone est pour moi la meilleure plate-forme de développement et Des sites et applications, avec eux le service de mise en ligne et de maintenance se fait d’une manière professionnelle, rapide et garantie”
Nabiru Daniel
Directeur Technique at dro-line
“Les meilleurs en développement web, avec la plus grande spécialité du respect du délai. J'aime votre façon d'intervenir en cas de panne technique d'une manière urgente.”
KM Keza
Cfo at Uliza Services
“Je vous le suggére pour vos solutions digitales! J'ai été satisfait.”
Bireke Daniel
CFO at Mindsetafrica
“Très bon service 🥳🥳”
Olinge Junior
CEO at JobJunior
“La satisfaction total 👌🏽👌🏽”
Bwiza Patricia
Gérante at #spa
“L’entreprise est professionnelle, présente un service de qualité et rapide. Je la recommande chaleureusement.”
Mulemeri Yannick
CEO at YMBank
“Octogone propose des solutions numériques de haute qualité avec une expertise technique impressionnante. Leur équipe est fiable, communicative et respecte les délais. Je recommande Octogone pour des solutions technologiques de premier ordre.”
NDAYISABA Gloire
Développeur at ULIZA COMPANY
“Je vous suggère une plateforme octogonale, la plus sécurisée, avec des experts qualifiés dans le domaine.”
Eliya kute
CEO at Goney
“Très bonne initiative”
Jo Jules
marketing manager DRC at Vitriare
“Je vous invite à utiliser les solutions octogone, pour être sincère avant de nous lancer avec eux pour notre projet de site e-commerce on était sceptique sur certains points tels que : l’UX, delay, … mais on a été surpris, tout est excellent. Merci”
Bibin Anatole
Community Manager at BibinBusiness
“Dire que octogone est la meilleure serait mentir, elle est professionnelle et donne un service de qualité. Nous tous nous voulons des pros et nous voulons un produit smart, je vous invite à les contacter pour vos sites web et services numériques.”
Kavunga Joseph
Agent de presse at Zargon
FAQ
Your questions, answered.
Why work with a web agency?
An agency brings together experts in design, development, SEO and digital marketing. Every part of your project is handled with care, and you stay focused on your core business while specialists build your solution.
How does a project with Octogone work?
We start with a conversation to understand your needs and goals. Then we build a tailored plan with you: mockups, weekly development sprints, testing, launch and ongoing support.
How much does a project cost?
Pricing depends on the complexity of the project and the services you need. After the free assessment, you receive a clear, detailed quote, feature by feature.
What makes Octogone different?
Technical expertise, on-time delivery, a single point of contact and responsive support after launch. We also design for African realities: mobile networks, local payments and multilingual audiences.
Can you share references?
Of course. Browse our work and our client reviews — we can also put you in touch with some of our clients so they can share their experience.