Cost of custom software
Thinking about investing in custom software for your business? Here’s what companies above €25M in revenue usually invest:
Department-level automation
Investment
up to 150K EUR
Duration
3 – 5 months
Best for
Single department
Built to replace spreadsheets, disconnected tools, and bottlenecks inside a single department.
Business outcome
~60% time reduction in processes.
Lower operational risk.
Improved visibility.
Cross-department software systems
Investment
150K – 450K EUR
Best for
5 – 9 months
Duration
Multiple departments
Ideal for businesses managing cross-team workflows and increasing operational complexity.
Business outcome
Centralized operations.
Faster decision-making.
Scalable internal infrastructure.
Most mid-sized companies fall into this category.
Business-critical core platforms
Investment
450K+ EUR
Duration
9+ months
Best for
Company-wide
Solutions designed for highly regulated environments and business-critical operations.
Business outcome
System consolidation.
Operational scalability.
Long-term technical foundation.
Sometimes, all it takes is a 30-minute call to get clarity — Get an initial budget estimate for your project →
What actually drives cost?
- Number of user roles and workflows
- Integration with ERP / CRM / legacy systems
- Data migration complexity
- Compliance and security requirements
- Multi-location or multi-country rollout
- Scalability requirements
Custom software is worth it when…
- Standard tools don’t match how you work
Off-the-shelf systems force your teams into someone else’s process. Custom software supports the way your business actually runs. - Disconnected tools increase cost and inefficiency
Every extra tool adds licenses, handoffs, and duplicate work. A unified system removes the overlap and keeps everyone working from the same data. - Legacy systems are slowing you down
Your legacy systems still handle critical work, but they create gaps and manual steps. Custom software lets you modernize without disrupting daily operations. - Security and compliance can’t be an afterthought
Every third-party tool adds risk you don’t fully control. A purpose-built system reduces exposure and keeps access, data, and governance in your hands. - Full ownership matters
With off-the-shelf tools, you’re renting someone else’s product. With custom software, you fully own the code, the data, and all future decisions. - Vendor lock-in limits your options
Pricing changes, roadmap shifts, and feature removals shouldn’t dictate how your business operates. Custom software keeps you in control, today and years from now.
Real results from custom software:
14
Manual workflows replaced.
62%
Reduction in processing time.
$500K
New revenue from digital initiatives.
37%
Customer retention boost.
The Process — How we help your business to grow.
01
Define the business objective
Every engagement starts with a clear business goal.
We review your current workflows, systems, and constraints. We speak with both business and technical stakeholders. Then we define success in measurable terms.
For example:
- Reduce manual processing time by 40%
- Cut order errors in half
- Shorten production planning cycles by 30%
- Increase internal self-service adoption to 60%
We align on impact before defining the solution.
02
Design the right solution
Once the objective is clear, we translate it into a practical system design.
We define:
- System architecture
- Required integrations with ERP, CRM, IoT, or third-party tools
- Data flows and user roles
- Security and compliance requirements
- Milestones and delivery phases
We design internal systems that reduce manual work, connect disconnected tools, and automate critical workflows.
03
Build with a dedicated team
A dedicated team works exclusively on your project. Senior engineers, QA specialists, and technical leadership. No parallel client work. No divided focus.
We develop in iterations. Each cycle includes:
- Planning and scope confirmation
- Development and internal code reviews
- Automated and manual QA testing
- Security and compliance requirements
- Demo and feedback session with your team
You have direct access to the engineers. You see progress regularly. You always know what is being built and why.
04
Launch, measure, improve
Before release, we test under realistic conditions. Performance, security, edge cases, integrations. Stability is not optional.
After launch, we monitor real usage and measure against the original objective. For example:
- Has manual workload decreased?
- Are teams completing tasks faster?
- Have error rates dropped?
- Is system performance stable under load?
Based on real data, we improve. Optimize performance. Add features. Refine workflows. Scale infrastructure.
Whatever your goals, the process stays the same — Define the outcome. Build the system. Measure impact. Continuously improve.
outcomes of our work
Reduced response time to HVAC issues with a real-time monitoring app →
We built a mobile app that helps facility managers monitor all HVAC devices they’ve installed across multiple locations. The app gives real-time device status, alarm triggers, and easy access to control tools on both iOS and Android, so managers stay in control no matter where they are.
Industry
HVAC
Location
EU
Co. type
Mid-size
Built an all-in-one business platform for a $50M-funded AI startup →
We partnered with an Australian AI startup to build a unified business platform, where we expanded their engineering capacity and delivered key AI features using Ruby on Rails, React, and major AI integrations.
Industry
AI Software
Location
Australia
Co. type
Post-IPO
Built a mobile app for 70,000 Royal Caribbean crew across 40 ships →
We built a mobile app that brings crew communication, scheduling, and daily tasks into one place. Using React Native and Java Spring Boot, we designed the app to work reliably even offline, giving crew access to essential tools no matter where the ship is sailing.
Industry
Hospitality
Location
US
Co. type
Enterprise
Modernized processes and saved $100M+ for a class I railroad →
We built a capacity-planning platform that processes 400,000+ daily reservations, gives real-time visibility, and cuts manual work and operational costs for a major US rail operator.
Industry
Railroad
Location
US
Co. type
Enterprise
Great, but why DECODE?
Predictable delivery
You’ll know what we’re building, how long it will take, and what it will cost. We define scope clearly, break work into phases, and tie delivery to measurable outcomes. No open-ended projects. No vague promises.
No budget surprises
We structure projects so that risks become visible and manageable early on. Clear goals, clear scope, and a clear budget framework — so your investment stays under control.
Focus on business impact
We don’t build features for the sake of it. Every system, integration, or platform is tied to a business goal. Lower operational cost. Faster execution. New revenue streams. Improved customer retention. If it doesn’t move the needle, we don’t prioritize it.
Industry versatility
We’ve worked across manufacturing, fintech, healthcare, logistics, and other complex environments. That means we adapt quickly to your domain, understand regulatory and operational constraints, and design systems that fit how your industry actually works.
Low management overhead
You don’t need to micromanage us. We assign a dedicated team that takes ownership from planning to release. You get structured updates, direct communication, and clear accountability without chasing status reports.
AI-accelerated development
AI is built into how we work. Our multidisciplinary team uses it from presales to QA and release. We validate your ideas fast with quick prototypes and proofs of concept, so you reduce risk before you invest. AI also helps us build and test faster, so you get working software sooner.
But don’t take our word for it…
This could be the start of a great partnership
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Arrange a chat with Damir, our Strategic Partnerships Manager.