How much does custom engineering software cost?

We work on a time basis at a daily rate of €1,200 per person, excluding VAT. How many days a project needs depends on scope, risk, and integrations: a prototype or a modernization is much smaller than a platform with multiple apps, PDF reports, and calculation logic. That is why we first clarify which workflows, formulas, data sources, and outputs actually need to be covered. Details are on our pricing page .

Can existing Excel tools be modernized?

Yes. Mature Excel tools often contain valuable engineering knowledge, but they are difficult to maintain, test, and distribute. We analyze the existing logic, preserve the relevant formulas and workflows, and transfer them into a robust web application with better usability, versioning, and data maintenance. The KLHdesigner case study shows how Excel-like structural design workflows were moved into a maintainable platform.

What are traceable formulas?

Formulas where you can see exactly what is being calculated. For this we use our own maths toolkit: every formula is defined once, and that single source drives both the calculation and its LaTeX rendering. What appears in the interface or the report is therefore exactly the formula that was calculated, so engineers and reviewers can check every step, including all intermediate values.

Can technical reports be generated automatically as PDFs?

Yes. Technical reports, verifications, tables, graphics, and SVG-based illustrations can be generated automatically as PDFs. The output can match your corporate design and stays reproducible: same input, same calculation, same report. This is also part of the KLHdesigner case study .

Is the software BaFG/EAA-compliant?

We plan accessibility from the beginning. This includes clear interaction patterns, keyboard navigation, sufficient contrast, screen-reader-friendly structures, and testing against relevant WCAG requirements. This is cleaner and cheaper than retrofitting accessibility at the end.

Why use engineering software instead of Excel?

Excel is optimized for a wide variety of use cases and can therefore only be generic. Custom engineering software developed specifically for your company, on the other hand, is optimized for your workflows. This also enables seamless integration into advanced AI platforms .

Do you only work with engineers?

No. Engineering software is one of our focus areas, but we also build software for other industries: web applications, mobile apps for iOS and Android, interfaces to existing systems, and internal tools. One example is SELF, a web application for questionnaires and team analysis. There, too, we host in the EU and plan accessibility from the start.

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Engineering software for planners, structural engineers and manufacturers

Custom Engineering Software Development for Engineers

Calculation tools, drawing and PDF output, and data maintenance, built around your standards and workflows. Every calculation stays verifiable.

Book a call KLHdesigner case study

Unique visitors per year across our apps: 10,000+
Years of combined industry experience: 15+

Every calculation can be checked.

Formulas, intermediate values and checks are visible instead of hidden behind input forms. Structural engineers, planners and checking authorities can follow every step.

Simplified example: bending check of a glulam beamHover over or tap an underlined value to see what it means and its unit.

Design load
Span
Bending moment = · / = · /
Section modulus = · / = · /
Bending stress = / = /
Bending strength = · / = · /
Utilisation = / = / ≤

Bending check satisfied

Structural system: Statically determinate single-span beam with a pinned support on the left and a horizontally movable roller support on the right. Uniformly distributed design load over the full span; bending about the strong axis, laterally restrained.
Design values: Design load q_d given. Service class 1 and medium-term load duration (k_mod = 0.8), γ_M = 1.25, k_h = 1.0 on the safe side. Recommended values of EN 1995-1-1.
Scope: Bending stress check at the ultimate limit state only. Shear, bearing and deflection are not part of this example.

Our debugger shows every intermediate result along the calculation chain, and the PDF report documents how the result was reached.

The same standard drives our AI platforms: every statement links to its source.

What we build for engineers

A notebook with a hand-drawn floor plan sits next to a tablet showing the same plan as an interactive SVG rendering.

SVG rendering engine

Components and floor plans, pixel-perfect and scalable, with or without dimensions. On the web and on mobile, online and offline, exportable as PNG and PDF.

A printed technical PDF with screw dimensions lies next to a phone on a stand showing the same screw as an SVG-based illustration.

PDF reports

Checks, tables and graphics as PDF in your corporate design. Vector graphics stay sharp, and the same inputs always produce the same report.

A handwritten beam calculation lies beside a calculator in front of a laptop showing the same calculation as a LaTeX document and a spreadsheet.

Calculation logic beyond Excel

We take over mature Excel tools with their formulas and turn them into a maintainable application with versioning and data maintenance.

A laptop on accessibility and data visualization books shows a structural diagram, with a magnifying glass enlarging the menu bar.

Accessible from the start

Clear operation for everyone, compliant with the European Accessibility Act and Austria's BaFG. Machines and LLMs can read the output reliably too.

Case study

KLHdesigner: from desktop tool to platform.

klhdesigner.at

KLHdesigner

Client: KLH Massivholz GmbH
Project start: 2016
Collaboration: Omnity e.U.

KLHdesigner shows what custom engineering software can look like when existing domain knowledge is not thrown away, but translated into a maintainable long-term platform. The starting point was an established engineering tool for KLH® CLT elements. It already contained valuable material data and proven workflows, but as a desktop application it was limited in data maintenance, performance, distribution, and cross-platform use.

Together with KLH Massivholz GmbH and Omnity e.U., the tool evolved through several development phases into a software ecosystem: data+ for centralized product data and technical information, statics2d for guided structural design workflows with templates, load cases, traceable results, and PDF reports, and co2 for life-cycle and CO₂ assessments. Existing Excel-like workflows and calculation logic were structured, modernized, and made available across web, desktop, and mobile.

The case study shows what matters in engineering software: clean data models, traceable formulas, understandable reports and an interface that supports specialists in their daily work. The result is less manual transfer and a platform that grows with new standards and data.

Read the full case study

Common questions about custom engineering software.

How much does custom engineering software cost?: We work on a time basis at a daily rate of €1,200 per person, excluding VAT. How many days a project needs depends on scope, risk, and integrations: a prototype or a modernization is much smaller than a platform with multiple apps, PDF reports, and calculation logic. That is why we first clarify which workflows, formulas, data sources, and outputs actually need to be covered. Details are on our pricing page.
Can existing Excel tools be modernized?: Yes. Mature Excel tools often contain valuable engineering knowledge, but they are difficult to maintain, test, and distribute. We analyze the existing logic, preserve the relevant formulas and workflows, and transfer them into a robust web application with better usability, versioning, and data maintenance. The KLHdesigner case study shows how Excel-like structural design workflows were moved into a maintainable platform.
What are traceable formulas?: Formulas where you can see exactly what is being calculated. For this we use our own maths toolkit: every formula is defined once, and that single source drives both the calculation and its LaTeX rendering. What appears in the interface or the report is therefore exactly the formula that was calculated, so engineers and reviewers can check every step, including all intermediate values.
Can technical reports be generated automatically as PDFs?: Yes. Technical reports, verifications, tables, graphics, and SVG-based illustrations can be generated automatically as PDFs. The output can match your corporate design and stays reproducible: same input, same calculation, same report. This is also part of the KLHdesigner case study.
Is the software BaFG/EAA-compliant?: We plan accessibility from the beginning. This includes clear interaction patterns, keyboard navigation, sufficient contrast, screen-reader-friendly structures, and testing against relevant WCAG requirements. This is cleaner and cheaper than retrofitting accessibility at the end.
Why use engineering software instead of Excel?: Excel is optimized for a wide variety of use cases and can therefore only be generic. Custom engineering software developed specifically for your company, on the other hand, is optimized for your workflows. This also enables seamless integration into advanced AI platforms.
Do you only work with engineers?: No. Engineering software is one of our focus areas, but we also build software for other industries: web applications, mobile apps for iOS and Android, interfaces to existing systems, and internal tools. One example is SELF, a web application for questionnaires and team analysis. There, too, we host in the EU and plan accessibility from the start.

Stefan Schintler and Andreas Steinkellner of Acurion

Bring your Excel tool along.

Which calculation should your software cover? In a free initial consultation, we work out together how your Excel tool, calculation logic or idea can become maintainable software.

Book a call Write us: office@acurion.at →