Software & Mobile App Development Company in Luxembourg
Secure web, mobile and AI development for Luxembourg’s financial, logistics and public-facing organisations, with DORA-aware delivery and French, German and English interfaces.
- NDA & full IP ownership
- Senior engineers
- Working hours that overlap with Luxembourg
Luxembourg is small in population but punches far above its weight as a financial centre, which means software built here is judged by regulators, auditors and international investors as much as by users. Sigmato is a software development company for Luxembourg businesses that need that scrutiny built in from the start. From our Bengaluru engineering centre and UK branch, we design and deliver web portals, mobile apps, data platforms and AI tools for fund administrators, fintechs, logistics firms and growing companies in Luxembourg City and Esch-sur-Alzette.
Regulation Comes First in Luxembourg
For most Luxembourg clients, the biggest software risk is regulatory, not technical. Financial-sector entities are supervised by the Commission de Surveillance du Secteur Financier (CSSF), which applies both EU rules and its own circulars on outsourcing, ICT risk and cloud use. Since January 2025, the EU Digital Operational Resilience Act (DORA) has required financial entities to manage ICT third-party risk, test resilience and report major incidents, so any external developer becomes part of that oversight. Personal data falls under the GDPR and the Law of 1 August 2018, with the National Commission for Data Protection (CNPD) as supervisor.
In practice, we support compliance teams with:
- Contract clauses covering audit rights, sub-processing, exit plans and data location, ready for your outsourcing register.
- Work performed inside your own cloud tenancy or virtual desktops, with no client data on developer machines.
- Secure development practices aligned with the OWASP Mobile Top 10, dependency scanning and documented code reviews.
- Incident contacts and response procedures that slot into your DORA reporting process.
What Luxembourg Organisations Ask Us to Build
Our Luxembourg work concentrates on financial services, logistics, the space and data sectors, and public-facing digital services. Typical projects include:
- Investor and fund portals: onboarding, KYC document collection, statements and dashboards for fund administrators and transfer agents.
- Fintech and payments: e-money and payment apps, back-office reconciliation and NLP that extracts data from financial documents.
- Tokenisation and digital assets: proof-of-concept work on real-world asset tokenisation, a topic of growing interest among fund managers under the EU’s MiCA framework.
- Logistics: Luxembourg’s air-cargo and road-freight hub drives demand for shipment tracking, customs paperwork and warehouse apps.
- Research and space: data pipelines and visualisation for satellite and research teams, including those around the Belval campus in Esch-sur-Alzette.
Government agency Luxinnovation supports start-ups and R&D, and many of the founders it works with need a technical partner to turn funded research into usable products.
Three Official Languages, Many User Groups
A Luxembourg product usually needs French, German and English at minimum, and sometimes Luxembourgish and Portuguese. Luxembourgish, French and German all have official status, English is the working language of finance, and a large Portuguese-speaking community and tens of thousands of daily cross-border commuters from France, Belgium and Germany broaden the audience further. We set up translation keys and workflows from the first sprint, design layouts that cope with long German compounds, and let users switch language without losing their place. Public-facing services may need to follow EU accessibility requirements, so we test against WCAG.
Payments and Authentication
Luxembourg consumers pay mainly by card and mobile wallet, with Payconiq widely used for account-to-account payments. Apple Pay and Google Pay are well established, and iPhones are common, so iOS quality matters as much as Android. Strong customer authentication often relies on bank apps or LuxTrust credentials, and we integrate these flows through your bank or payment provider. For international SaaS products billing in euros, we implement subscription billing with VAT handling for EU cross-border sales.
Working Hours and Communication
Luxembourg is on Central European Time, giving roughly four to five hours of overlap with our Bengaluru engineers each morning. India sits three and a half hours ahead in summer and four and a half in winter. Our UK branch is one hour behind Luxembourg, so the afternoon is covered for project governance, risk reviews and commercial discussions.
How We Run a Regulated Project
- Due-diligence pack: we answer your vendor questionnaire and outsourcing assessment before any code is written.
- Architecture review: hosting location, identity, encryption and logging are agreed with your IT risk and data protection officers.
- Controlled delivery: two-week sprints, peer-reviewed pull requests and release notes that map changes to tickets for audit trails.
- Handover and exit readiness: documentation, runbooks and knowledge transfer so another team could take over, which is something DORA exit strategies expect.
Indicative Costs in Luxembourg Engagements
| Engagement | Indicative range (USD) |
|---|---|
| Regulated proof of concept | $12,000 – $30,000 |
| Investor or customer portal | $40,000 – $110,000 |
| Fintech mobile app with onboarding and KYC | $60,000 – $150,000 |
| Dedicated senior engineer per month | $5,000 – $8,000 |
Figures are indicative and can be quoted in euros; your final price depends on scope, compliance requirements and hosting. Learn more about our web application development and SaaS development services.
Frequently Asked Questions
Can a regulated Luxembourg entity outsource development to India?
Yes, provided outsourcing rules are followed: risk assessment, appropriate contract terms, notification to the CSSF where required, and controls over data access. We work within the framework your compliance team sets.
Will our data leave the EU?
It does not need to. Production data can remain in EU or Luxembourg-based hosting, with engineers working through controlled remote access and test data that is anonymised or synthetic.
What should we ask a software development company about DORA?
Ask how they handle incident notification, sub-contractors, exit support and security testing, and whether they accept audit rights. A software development company serving Luxembourg’s financial sector should answer these in writing.
Speak with a Software Development Company for Luxembourg
Tell us what you need to build and which rules apply. We will propose an approach that fits your governance and budget.