
Proudly Kenyan.
Globally Capable.
Dewlon Systems is a software engineering firm headquartered in Imara Daima, Nairobi. Since 2019, we have been helping businesses, institutions, and government bodies across Kenya build the digital products and platforms that power their operations.
We combine rigorous global engineering standards including clean architecture, test-driven development, CI/CD pipelines, and cloud-native infrastructure with a deep, practical understanding of East African business culture, user behaviour, connectivity realities, and regulatory environments.
Our team spans senior full-stack engineers, certified AWS cloud architects, human-centred UX designers, and project managers who communicate with clarity and consistency. We do not disappear after launch. Over 85% of our clients continue working with us after their first project, a testament to the trust and results we deliver.
Trusted by organisations across Kenya & East Africa




Our Trusted Clients
A Full Spectrum of
Digital Engineering
From your first landing page to a continent-scale enterprise platform, we have the depth to deliver it.
Website Design & Development
We design and engineer responsive, conversion-focused websites that are built to perform. Every site we deliver is fast-loading, fully mobile-optimised, and architected for search engine visibility from the ground up. Whether you need a corporate presence, a product landing page, or a full e-commerce platform, we bring together design precision and engineering rigour to build something that works as hard as your business does.
Learn MoreMobile App Development
From concept to the App Store, we build native iOS and Android applications as well as cross-platform solutions using Flutter and React Native. Our mobile apps are built for East African realities. They are optimised for lower-bandwidth environments, M-Pesa and local payment gateway integrations, and the diverse device landscape your customers use every day.
Learn MoreCustom Software Development
Off-the-shelf software rarely fits perfectly. We build bespoke enterprise applications, internal tools, workflow automation systems, and ERP integrations that are architected around the exact way your organisation operates. Our engineers write clean, well-documented, maintainable code so you are never held hostage to a single vendor or developer.
Learn MoreCloud Solutions & AWS
As a certified AWS Partner, we design and deploy secure, scalable cloud infrastructure that grows with your business. From serverless architectures and containerised deployments with Docker and Kubernetes, to cloud migrations and disaster recovery planning. We bring enterprise-grade cloud expertise to Kenyan businesses of every size.
Learn MoreUI/UX Design & Prototyping
Great software lives or dies by how easy it is to use. Our design team conducts user research, builds information architectures, creates high-fidelity wireframes, and delivers interactive prototypes before a single line of code is written. We design for real Kenyan users, testing across the devices and contexts your audience actually uses.
Learn MoreSEO & Digital Marketing
We grow your digital presence through data-driven search engine optimisation, content strategy, and paid media management. Our local SEO expertise is particularly strong. We understand how Nairobi and broader East African audiences search, what they trust, and what converts. Every strategy is tied to measurable business outcomes, not vanity metrics.
Learn MoreReady to get a quote?
We work with businesses of all sizes, from early-stage startups to established enterprises. Tell us what you need and we will come back with a clear, honest proposal.
A Process Built for
No Surprises.
Every project follows a proven four-stage process that gives you visibility, control, and confidence from day one to go-live.
Discovery Call
Understanding your world
Every engagement starts with a free, no-obligation conversation. We listen carefully to understand your business, your users, your technical constraints, and your goals. This is not a sales call. It is a genuine attempt to understand whether we are the right fit for each other.
Project Brief
Clarity before commitment
Based on our discovery, we produce a detailed project brief that captures scope, technical approach, timeline, and investment. This document becomes the shared source of truth for the entire engagement. No surprises, no scope creep, no ambiguity.
Design & Build
Agile, transparent delivery
We work in two-week sprints with regular check-ins and a shared project board you can access any time. You see real progress, not just status updates. Our engineers write clean, well-tested code and our designers iterate based on your feedback at every stage.
Launch & Support
We stay after go-live
Deployment is not the end. It is the beginning of a working relationship. We handle go-live carefully, monitor performance in the first critical days, and offer monthly maintenance packages covering updates, security patches, backups, and ongoing performance improvements.
Deep Expertise Across
Kenya's Key Sectors
We bring sector-specific knowledge to every project, understanding your regulatory environment, your users, and the systems you need to integrate with.
Government & Public Sector
Citizen-facing portals, internal workflow systems, and data management platforms built to public sector procurement and compliance standards.
Agritech & Farming
Farm management tools, market linkage platforms, and supply chain systems connecting smallholder farmers to buyers across East Africa.
Healthcare
Hospital management systems, patient record platforms, telemedicine solutions, and health data analytics tools built for the Kenyan healthcare environment.
Education & EdTech
Learning management systems, student information portals, e-learning platforms, and examination management tools for schools, colleges, and training institutions.
Retail & E-commerce
Full-featured online stores, inventory management systems, M-Pesa and card payment integrations, and omnichannel retail platforms.
Logistics & Transport
Fleet management systems, route optimisation tools, delivery tracking platforms, and logistics coordination software for transport businesses.
NGOs & Non-profits
Donor management systems, beneficiary tracking platforms, field data collection tools, and impact reporting dashboards for development organisations.
M-Pesa and Local Payments
Deep expertise in Daraja API, Pesapal, iPay, and all major Kenyan payment gateways. We build payment flows that East African users trust and that work on every network.
Real Projects.
Measurable Results.
From education platforms to agritech marketplaces and county government systems, all built for and deployed in Kenya.
Imara Daima, Nairobi. Our main engineering hub. Full-service software development, in-person client meetings, and project management. Serving clients across the greater Nairobi area and beyond.
Our Kisii office serves clients across Western Kenya with on-site project management, technical support, and stakeholder engagement for regional government and business clients.
We deliver projects remotely for clients across Kenya, Uganda, Tanzania, and Rwanda. Secure collaboration, clear communication, and the same quality of delivery regardless of geography.
What Our Clients
Say About Us
“Dewlon delivered our e-commerce platform ahead of schedule and significantly under budget. Their UI/UX expertise is genuinely world-class. I have worked with agencies in London and Nairobi and this team holds their own against anyone.”
“From the first discovery call to go-live, the team was professional, responsive, and honest. When we hit a technical challenge mid-project, they flagged it early and came with solutions. Our mobile app now serves over 10,000 farmers across three counties.”
“The enterprise system they built for us streamlined our entire operations division and reduced average case processing time by 70%. More importantly, they trained our internal team and documented everything. We are not dependent on them to keep it running.”
Everything You
Need to Know
Yes. While our head office is in Imara Daima, Nairobi, we have a branch in Kisii and serve clients across Kenya remotely. We have also delivered projects for clients in Uganda, Tanzania, and Rwanda. Distance has never been a barrier to a successful engagement.
A standard business website takes 2–4 weeks. Custom web applications typically take 6–12 weeks depending on complexity, integrations, and the pace of client feedback. We always produce a detailed project timeline in the brief phase so expectations are aligned from the start.
Absolutely. We offer monthly support and maintenance packages covering updates, security patches, backups, uptime monitoring, and performance tuning. Over 85% of our clients remain on a maintenance retainer after go-live. We build relationships, not just products.
Yes, this is one of our core competencies. We have deep experience with the Daraja API, Pesapal, iPay, and other Kenyan payment gateways. We understand the regulatory environment and the practical realities of building payment flows for East African users.
Every project has a dedicated project manager who is your single point of contact. We use a shared project board (Jira or Trello, your preference) and hold fortnightly video check-ins. You will never have to chase us for an update.
Yes. We start with a thorough audit of your current site covering performance, SEO equity, user experience, and code quality. We then rebuild with modern standards while carefully preserving your domain authority and search rankings. We have never lost a client organic traffic through a migration.
We work with businesses and organisations of all sizes, from early-stage startups building their first product to established enterprises modernising legacy systems and county governments digitising public services. Our process scales to fit the engagement.
Thinking About
Technology in Africa
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Something That Lasts?
Tell us about your project. We will come back within one business day with a clear plan, honest scope, and a fair quote with no obligation.
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