Custom Software ACA Group
Built to evolve, not just to exist

Applications that grow with you and your business. 

Custom software that adapts to change, accelerates growth and doesn’t panic when the roadmap shifts. Again.

Built to evolve, not just to exist

Applications that grow with you and your business. 

Custom software that adapts to change, accelerates growth and doesn’t panic when the roadmap shifts. Again.

Built to evolve, not just to exist

Applications that grow with you and your business. 

Custom software that adapts to change, accelerates growth and doesn’t panic when the roadmap shifts. Again.

Built to evolve, not just to exist

Applications that grow with you and your business. 

Custom software that adapts to change, accelerates growth and doesn’t panic when the roadmap shifts. Again.

Custom Software ACA Group

+100 customers that keep coming back & not because they have to

acerta-logo
Amfori customer klant aca group
aviobook
BNP paribas fortis
corilus-logos-idy_7TDEb6
Idewe logo klant customer
ISABEL_logo_mailing
Johnson_and_Johnson_Logo
medi market logo klant customer aca group
OVAM-Leeuw-engels_groen-letteromtrek
2023_SecurexLOGOBig
Teledyne-Logo-Vector.svg-
c-i-sd_-2-valipac_logo_en_png-v2018-500x220
logo_vdab-1536x894
vlaanderen_verbeelding_werkt
brailsports logo
1717580615-energiebe-logo
acerta-logo
Amfori customer klant aca group
aviobook
BNP paribas fortis
corilus-logos-idy_7TDEb6
Idewe logo klant customer
ISABEL_logo_mailing
Johnson_and_Johnson_Logo
medi market logo klant customer aca group
OVAM-Leeuw-engels_groen-letteromtrek
2023_SecurexLOGOBig
Teledyne-Logo-Vector.svg-
c-i-sd_-2-valipac_logo_en_png-v2018-500x220
logo_vdab-1536x894
vlaanderen_verbeelding_werkt
brailsports logo
1717580615-energiebe-logo

Custom software that adapts, scales, and delivers

Reduce risk, strengthen your IT foundation, and scale with confidence.


Composability software - ACA Group
Composability software - ACA Group
Future-proof

Composability

Ensure business resilience with a flexible and adaptive architecture.

  • Domain Driven Design and Bounded Context
  • API Platforms & Strategy
  • Microservices design (including Micro-Frontends & Datamesh)
Collaboration in software - ACA Group Belgium
Collaboration in software - ACA Group Belgium
Focused

Collaboration

Co-create the right solutions with a team that works with you.

  • ACA methodology `
  • Agile thought leadership
  • Cross-functional collaboration models
ACA Group - Custom Software (Low Code / AI / DevOps)
ACA Group - Custom Software (Low Code / AI / DevOps)
Don't underestimate

Speed

Accelerate development with high-productivity teams in an agile way.

  • DevOps tools and practices 
  • Low Code & AI 
  • Platform Engineering
bridge brug
bridge brug
Authentic

Trust

Achieve digital immunity with quality design and built-in security.

  • Behaviour driven development & Test Automation 
  • Devsecops tools and processes 
  • IAM tools and architecture
Create Impact

Your tech should bend, not break

IT has to deliver fast, innovate non-stop and keep users happy, all while staying secure, scalable and standing strong. Easy, right?
Meanwhile, legacy systems refuse to leave and shadow IT pops up like mushrooms in the dark.

That's where we come in. ACA isn't just your tech implementer. We are your strategic partner, helping you build a resilient IT foundation that supports both operational continuity and long-term innovation.

  • Future-proof & secure
  • Scalable & adaptable
  • Cost-efficient modernization
  • Business-critical resilience 

 

Presentatie1_StijnVDE
ACA Group’s commitment to quality and teamwork made a lasting impact. Their clear vision, proactive communication, and ability to deliver on time with minimal errors streamlined our validation process and kept the project on track. A truly collaborative partner for success.
Jean-Etienne Hiolle
Bids and Project Manager at AvioBook
1719580462-aviobook-logo
Bids and Project Manager at AvioBook
ACA Group’s commitment to quality and teamwork made a lasting impact. Their clear vision, proactive communication, and ability to deliver on time with minimal errors streamlined our validation process and kept the project on track. A truly collaborative partner for success.
Jean-Etienne HiolleBids and Project Manager at AvioBook
1719580462-aviobook-logo
Bids and Project Manager at AvioBook

Technology & Trends: From innovation to impact

Adopt new technologies and trends and turn them into real business value.

VDAB, a public employment service in the government sector, needed to ensure continuity of its district work voucher system after its external provider discontinued the service. ACA Group developed a secure digital platform to manage and distribute electronic district work vouchers, ensuring compliance and operational reliability. This solution enables uninterrupted service delivery, supports local community work initiatives, and improves efficiency in voucher management and administration.

government building
government building
vdab logo

MuseumPASSmusées, operating in the cultural and tourism sector, aimed to improve access to museums but relied on a physical pass that limited efficiency and user insights. A digital mobile app was introduced in 2022 to provide access to over 240 Belgian museums and capture user data. This digital solution increased accessibility, reduced helpdesk inquiries, enabled data-driven insights, and strengthened customer engagement and loyalty, with more than 130,000 downloads.

Painting frame museum
Painting frame museum
publiq logo

Waste Vision, a provider of smart IoT solutions in the waste management sector, needed to optimize waste collection processes but faced inefficient routing and operational complexity. ACA Group developed a mobile navigation app that uses data-driven route optimization to streamline collection workflows. This solution reduces errors, improves efficiency, and supports sustainable urban waste management by enabling more effective and predictable collection operations.

1634184649-foto-ev
1634184649-foto-ev
1719576839-waste-vision-logo-transparant

AvioBook, a provider of aviation software solutions, needed to optimize internal processes for navigation database distribution while improving its external customer interface. Facing inefficiencies and outdated systems, the company sought a scalable digital solution. ACA Group supported the development of an optimized platform that streamlines data distribution workflows and modernizes the user interface. This solution improves operational efficiency, enhances customer experience, and supports reliable delivery of aviation data services.

Commercial air plane
Commercial air plane
Aviobook logo
OVAM, a public environmental agency in the waste and materials sector, needed to accurately map and share asbestos data to support Flanders’ goal of becoming asbestos-free by 2040. ACA Group developed a mobile-friendly web application with offline functionality, system integrations, and an intuitive user interface. This digital solution enables efficient asbestos inventory management, improves data accessibility for stakeholders, and supports safer environments through better-informed decision-making.
OVAM 3
OVAM 3
logo ovam

Group IDEWE, a provider of workplace health and wellbeing services, aimed to improve employee health management but needed a scalable digital solution for personalized guidance. In collaboration with KU Leuven, a mobile app was developed using data-driven algorithms to deliver tailored health advice. This digital health solution empowers users to manage their wellbeing, increases engagement, and supports preventive healthcare through personalized, data-based insights.

smartphone smartwatch
smartphone smartwatch
IDEWE_logo

VDAB, a public employment service in the government sector, needed to ensure continuity of its district work voucher system after its external provider discontinued the service. ACA Group developed a secure digital platform to manage and distribute electronic district work vouchers, ensuring compliance and operational reliability. This solution enables uninterrupted service delivery, supports local community work initiatives, and improves efficiency in voucher management and administration.

government building
government building
vdab logo

MuseumPASSmusées, operating in the cultural and tourism sector, aimed to improve access to museums but relied on a physical pass that limited efficiency and user insights. A digital mobile app was introduced in 2022 to provide access to over 240 Belgian museums and capture user data. This digital solution increased accessibility, reduced helpdesk inquiries, enabled data-driven insights, and strengthened customer engagement and loyalty, with more than 130,000 downloads.

Painting frame museum
Painting frame museum
publiq logo

Waste Vision, a provider of smart IoT solutions in the waste management sector, needed to optimize waste collection processes but faced inefficient routing and operational complexity. ACA Group developed a mobile navigation app that uses data-driven route optimization to streamline collection workflows. This solution reduces errors, improves efficiency, and supports sustainable urban waste management by enabling more effective and predictable collection operations.

1634184649-foto-ev
1634184649-foto-ev
1719576839-waste-vision-logo-transparant

AvioBook, a provider of aviation software solutions, needed to optimize internal processes for navigation database distribution while improving its external customer interface. Facing inefficiencies and outdated systems, the company sought a scalable digital solution. ACA Group supported the development of an optimized platform that streamlines data distribution workflows and modernizes the user interface. This solution improves operational efficiency, enhances customer experience, and supports reliable delivery of aviation data services.

Commercial air plane
Commercial air plane
Aviobook logo
OVAM, a public environmental agency in the waste and materials sector, needed to accurately map and share asbestos data to support Flanders’ goal of becoming asbestos-free by 2040. ACA Group developed a mobile-friendly web application with offline functionality, system integrations, and an intuitive user interface. This digital solution enables efficient asbestos inventory management, improves data accessibility for stakeholders, and supports safer environments through better-informed decision-making.
OVAM 3
OVAM 3
logo ovam

Group IDEWE, a provider of workplace health and wellbeing services, aimed to improve employee health management but needed a scalable digital solution for personalized guidance. In collaboration with KU Leuven, a mobile app was developed using data-driven algorithms to deliver tailored health advice. This digital health solution empowers users to manage their wellbeing, increases engagement, and supports preventive healthcare through personalized, data-based insights.

smartphone smartwatch
smartphone smartwatch
IDEWE_logo
Contact us

Big idea? Project off track? Impossible deadline? We're all ears.

Drop our colleague Jan a message and let’s turn it into something brilliant together.

Jan Vermeulen 
Business Unit Manager Custom Software

 

 

Jan Vermeulen - Business Unit Manager Software Development ACA Group
Contact us

Big idea? Project off track? Impossible deadline? We're all ears.

Drop our colleague Jan a message and let’s turn it into something brilliant together.

Jan Vermeulen 
Business Unit Manager Custom Software

 

 

Jan Vermeulen - Business Unit Manager Software Development ACA Group
Contact us

Big idea? Project off track? Impossible deadline? We're all ears.

Drop our colleague Jan a message and let’s turn it into something brilliant together.

Jan Vermeulen 
Business Unit Manager Custom Software

 

 

Jan Vermeulen - Business Unit Manager Software Development ACA Group
Contact us

Big idea? Project off track? Impossible deadline? We're all ears.

Drop our colleague Jan a message and let’s turn it into something brilliant together.

Jan Vermeulen 
Business Unit Manager Custom Software

 

 

Jan Vermeulen - Business Unit Manager Software Development ACA Group
Blogs

What others have read

Reading time 3 min
13 MAR 2026

A great mobile app isn’t just about flashy features or sleek design. It’s about a team that knows how to write maintainable code, make smart decisions, and -most importantly- always puts the user first. That’s exactly what our mobile team does every single day. We sat down with Jurgen Geys (Mobile Team Lead) to talk about how the team works, their technical choices, and why ACA is the perfect place for developers who want to make an impact.

Read more
Reading time 3 min
19 DEC 2025

ACA Group is officially ISO 27001 compliant. For our customers, this certification is more than a formal milestone: it is clear, independent proof that information security is embedded in how we design, build and deliver software. Information Security Manager Simon Vercruysse explains what ISO 27001 entails and what the benefits are for your (future) projects.

Read more