Enterprise software spend by company size

Introduction

How much should a company spend on software? It is a question every budget meeting eventually hits, and the honest answer depends mostly on one variable: company size. Across industries, IT spending as a share of revenue typically scales from roughly 3% for small firms to 7% or more for large enterprises, with software — licences, subscriptions, development, and integration — making up a growing share of that total. For a Belgian SME, the useful number is not a global average, but a benchmark against companies like yours. This guide gives you realistic 2026 software-spend benchmarks by company size, explains why the curve rises as you grow, and shows how to right-size your own budget.

Where the benchmark numbers come from

Industry benchmarks for IT and software spending come from surveys and analyst panels — Gartner's IT spending estimates, Statbel's ICT statistics for Belgian companies, and sector studies that break down spending by headcount. No single source is authoritative for every Belgian firm, because industry matters as much as size: a logistics company spends differently from a legal practice. But the size curve itself is remarkably consistent across sources, which is why it is a useful starting point.

Two distinctions matter before you compare anything:

• IT spend vs software spend. IT budget includes hardware, telecom, support staff, and managed services. Software spend — the licences, SaaS subscriptions, in-house development, and integration work — is typically 40–60% of that IT budget and rising, as cloud subscriptions replace hardware purchases.
• Operating vs capital spend. Legacy software purchases were one-off capital expenses, amortised over years. Modern SaaS moved most of that to an operating line — monthly or annual subscriptions. That is why two companies with identical "software spend" can look very different on a budget sheet.

Software spend benchmarks by company size

These are indicative ranges for 2026, built from the industry data cited above and adjusted for the Belgian market. Use them as a sanity check, not a tax table.

Micro firms (1–9 employees). Software spend typically €1,500–€8,000 per year. Bookkeeping software, a website, a few SaaS tools (email, calendar, CRM), and maybe one vertical application. The share of revenue is often the highest of any size band because fixed tools cost the same whether you have two or eight employees — but the absolute amounts are small.

Small companies (10–49 employees). Software spend typically €8,000–€40,000 per year. This is where the tool sprawl begins: proper CRM, accounting suites, project management, HR and payroll software, collaborative platforms, and often the first custom integrations between them. Statbel consistently shows Belgian companies in this band adopting cloud software faster than micro firms.

Medium companies (50–249 employees). Software spend typically €40,000–€250,000 per year. At this size, you are buying an ERP or a serious vertical platform (see our ERP modernization guide), structured software licensing, integration middleware, and increasingly custom software that replaces spreadsheets and manual workflows (the spreadsheets-to-systems transition). Headcount-related licences grow linearly; platform costs grow in steps.

Large enterprises (250+ employees). Software spend regularly exceeds €250,000 and can reach millions per year for multinationals — usually 5–7% of revenue or more. Procurement, compliance, and security software become mandatory; custom platforms and API infrastructure dominate; and licences are negotiated at enterprise level.

Why software spend rises with company size

Three forces push the curve upward, and understanding them helps you predict your own next step:

Compliance and control. Cross the 50-employee threshold in Belgium and the obligations multiply: GDPR formalisation, NIS2 cybersecurity requirements, e-invoicing (ViDA), payroll reporting, audit trails. Each obligation comes with software — and none of it is optional. The IT compliance landscape in Belgium has steadily hardened, and compliance software is one of the fastest-growing spend categories.

Integration costs. Every new system must talk to the ones you already have. A 5-person firm has one or two systems; a 200-person firm has dozens. Integration work — APIs, middleware, data migration — grows faster than headcount, which is why the 50–249 band shows the steepest jump. This is also where most Belgian SMEs make their biggest budget mistakes: buying a new system without budgeting the integration work that makes it function.

Scale economics in reverse at the low end. Micro firms pay full price for licences on a tiny revenue base. As you grow, per-user pricing drops (volume discounts, enterprise tiers) but the number of systems multiplies. The net effect is a rising share of revenue — until, above roughly 250 employees, procurement discipline and platform consolidation start flattening the curve again.

Right-sizing your software budget: the Belgian SME playbook

Benchmarks tell you where you are, not where you should be. Right-sizing your software spend means questioning every line:

Audit what you actually use. Belgian SMEs routinely pay for 30–50% more licences than they use — team seats, duplicated tools, subscriptions nobody remembers buying. A licence audit usually frees 10–20% of the software budget in the first month. Start there before adding anything.

Buy integrated, not piecemeal. Five monthly subscriptions that each do half a job cost more than one platform that does the whole job — and the integration gaps between them cost time daily. Our guide on custom software vs off-the-shelf products walks through exactly when buying a package beats building, and when neither works without the other.

Budget for integration and data, not just licences. The single most common Belgian SME software failure is under-budgeting the work that makes software actually work: migrating data, mapping processes, training staff. For a new ERP or CRM, conservative planning allocates 1–3 times the licence cost to implementation and integration — the same ratio we document in the ERP modernization budgeting section.

Time your capital purchases. Custom software development is a capital decision with a 3–5 year payoff horizon; SaaS is an operating decision you can cancel. Structure your budget so the recurring line stays sustainable — an €80,000 custom platform spread over five years is often cheaper than €2,000/month of subscriptions that never quite fit, a comparison we detail in custom web apps vs WordPress.

Check the subsidies. The kmo-portefeuille in Flanders covers 30–45% of eligible consultancy and training costs with recognised providers — including software selection and implementation consulting. Wallonia and Brussels run similar digital voucher schemes. It is legitimate, widely used, and routinely forgotten at budget time.

What your spend should look like: a 2026 planning table

For a Belgian SME, a healthy software budget profile looks roughly like this:

• Micro (1–9): 60% essential SaaS (bookkeeping, email, website), 25% vertical tooling, 15% integration and fixes.
• Small (10–49): 40% SaaS and licences, 30% vertical platforms (CRM/ERP), 20% integration and data work, 10% custom development.
• Medium (50–249): 30% licences, 25% platforms, 25% integration and custom development, 20% compliance and security software.
• Enterprise (250+): roughly a third licences, a third platforms and integration, a third custom development and compliance.

The trend line is the important part: as Belgian companies grow, the share going to integration, custom development, and compliance rises — and the share going to plain licences falls. Budgeting for that shift early is what separates companies whose software spend is an asset from those where it is a leak.

Key Takeaways

• Software spend scales with company size: roughly €1.5k–€8k/year for micro firms, €8k–€40k for small, €40k–€250k for medium, and above €250k for enterprises.
• Software is 40–60% of total IT spend and rising, as SaaS subscriptions replace hardware purchases.
• Compliance (GDPR, NIS2, ViDA e-invoicing), integration, and headcount multiply spend as you cross the 50-employee mark.
• A licence audit typically frees 10–20% of the software budget — do it before adding anything new.
• The kmo-portefeuille and regional digital vouchers refund 30–45% of eligible software-related consulting in Belgium.

Next Steps

1. This week: list every software subscription with its monthly cost and last actual use — this single sheet will almost certainly surprise you.
2. Month 1: consolidate overlapping tools and negotiate annual plans; set up one overview of what talks to what.
3. Month 2: benchmark your total software spend against the size band above and ask why you are above or below it.
4. Month 3: plan the next year's software roadmap — licences, one platform purchase, and the integration budget that makes it work — and check kmo-portefeuille coverage before signing anything.

Want a frank look at whether your software stack is right-sized? Contact Omnistack — we build fullstack platforms and integration work for Belgian SMEs, and we have never met a budget that did not benefit from an honest audit.

Conclusion

Enterprise software spend is not a vanity number or a benchmark to chase — it is a curve you can plot, understand, and manage. The companies that win are not the ones that spend the most; they are the ones whose spend tracks their size band with intent: lean on licences, honest about integration, deliberate about custom development, and current on the compliance obligations that no budget can legally avoid. Benchmarked against your own size, your software budget becomes what it should be: a plan, not a mystery.