The largest companies in Belgium: top 10 by turnover and the biggest employers

The largest company in Belgium is Toyota Motor Europe if you go by turnover filed in Belgium (€38.5 billion), AB InBev if you go by group revenue worldwide, and a staffing group if you count who has the most people on the payroll. Three lists, three winners, and none of them is wrong. They measure different things, and if you are building a target account list, only one of them is the list you want.

This page gives the top 10 by filed turnover and by group revenue, the biggest employers, and (the number nobody publishes) how many genuinely large companies Belgium has at all.

Published 12 September 2026, updated 25 September 2026. Statbel figures reflect a 31 December 2024 reference date. The Trends Top turnover ranking was consulted on 25 September 2026 and shows the most recently filed accounts; the Trends Top 5,000 totals are for the 2024 financial year. The Fortune table is financial year 2022.

Key takeaways

• Group revenue worldwide puts AB InBev first. It counts what a Belgian-headquartered group earns everywhere on earth, most of it nowhere near Belgium.

• Turnover filed in Belgium puts Toyota Motor Europe first, at €38.5 billion in its most recently filed accounts, ahead of Pfizer Service Company and Janssen Pharmaceutica. This list is dominated by foreign-owned subsidiaries, not Belgian companies.

• Headcount puts staffing groups first, because the payroll line records who pays the staff, not where they work.

• Belgium has 1,720 enterprises with 250 or more employees and 390 with 1,000 or more. That is the real size of the large-account market.

The three measures, and what each one counts

1. Group revenue worldwide

This is the Fortune and Forbes view: consolidated revenue of a group whose headquarters happens to be in Belgium. It is the ranking most people picture.

Fortune Europe 500, 2023 edition, financial year 2022. Two cautions on this table: it reports US dollars while the Belgian ranking below reports euros, on a different basis, so the two are not comparable, and the Solvay row predates the December 2023 demerger into Solvay and Syensqo, so it describes a group that no longer exists in that form.

Look at row seven. Groupe Bruxelles Lambert books $9.5 billion in revenue with 60 employees. It is a holding company: the revenue belongs to the businesses it owns, and so do their tens of thousands of staff. The sixty is the holding entity itself. If you sell anything priced per seat, per user or per site, the company you would actually be selling to is one of the smallest accounts on this page, not the seventh largest.

That is the failure mode of every revenue-ranked list. It tells you where money is consolidated, not where people work or where a buying decision gets made.

2. Turnover filed in Belgium

A completely different list, and for most B2B sellers the more useful one. This counts turnover reported in accounts filed with the National Bank of Belgium by a Belgian legal entity.

The 5,000 largest companies in Belgium booked €945.5 billion in combined turnover in the 2024 financial year, 1.39% less than in 2023. Gross margin still rose, by 1.66% to €199.5 billion, and full-time equivalent headcount fell by 0.27%, the first decline in years (Trends Business Information).

The top 10 of that ranking, sorted the way Trends Top sorts it, on turnover from the filed accounts:

Source: Trends Top, ranking by turnover, consulted 25 September 2026. The years are Trends Top's: 2025 is the most recently filed set of accounts, 2024 the one before. *AG Insurance, as an insurer, is ranked on gross premiums rather than turnover. Notice that the five largest all saw turnover fall while the five below them all grew. Trends Top shows the first fifty companies free; the full list is paid.

Nine of those ten do not appear in the Fortune table above, and there is a clean reason: they are Belgian entities of foreign groups. The tenth, AG Insurance, is the Belgian insurer of Ageas, which is in the Fortune list. Toyota Motor Europe is the continental headquarters of a Japanese carmaker. Pfizer Service Company in Sint-Stevens-Woluwe is not the Puurs plant, which is widely reported as one of the largest pharmaceutical production sites in the world, but a company that, as the name says, provides services to the group, and much of what an entity like that files is intra-group traffic rather than sales to Belgian customers. Both are enormous on paper in Belgium and neither is a Belgian company in any sense a salesperson would recognise.

Practically, that changes your approach rather than disqualifying the account. The Belgian entity is real: it has real staff and real local budgets, but the decision on anything strategic is probably taken in Toyota City or New York. Check the ownership structure before you decide who to call.

3. Headcount

The employer ranking is the one that surprises people most, because ranking Belgian companies on the filed headcount line pushes staffing groups to the top.

The likeliest explanation is in how that line is defined. The employee figure in a set of annual accounts records who runs the payroll, not where the work is done. A temp worker placed at a factory is employed by the agency that placed them, so the agency carries the headcount and the factory does not. Any employer ranking built from filed accounts inherits that.

If you are sizing accounts by staff count, read the filed employee figure as payroll population, not as how many people work at this business. For most companies the two are the same. For the biggest employers on paper, they are not.

Who are the largest employers in Belgium?

The most recent ranking that is freely available counts the headcount filed in the 2018 accounts (jaarrekening.be, as compiled on Wikipedia). It puts Randstad Belgium (32,273) first, ahead of HR Rail (29,578), bpost (23,586), Colruyt (17,238) and Adecco (11,166), followed by Start People, Cepa, Familiehulp, GSK Biologicals and the Brussels transport operator MIVB/STIB. Three of the first six are staffing companies, and two others are the legal employer of a whole sector: HR Rail for the railway staff of NMBS/SNCB and Infrabel, Cepa for the dock workers of the port of Antwerp. Who actually has the most people working at its own sites is not something you can read off that list.

Trends publishes a yearly top 100 of the largest employers with more recent figures. For a single company, take the current figure straight from its annual accounts: the social balance sheet gives the average number of full-time equivalents.

How many large Belgian companies actually exist

None of the three lists answers the question a sales or marketing team actually has: how many companies of a given size are there? Statbel publishes exactly that, and the shape of it is worth internalising.

Fifteen enterprises in the whole country employ 10,000 people or more. Fifty-seven employ 5,000 or more. Below that the numbers open up fast: 390 at a thousand staff, 1,720 at 250, 7,896 at fifty.

Set against a register of 1,187,819 active enterprises, of which 997,481 have no employees at all, this is the more useful frame. Large-account selling in Belgium is not a market of thousands of targets. It is a market of a few hundred, and every competitor you have is calling the same ones.

For how that filtering works in practice, our guide to TAM, SAM and SOM with real numbers works through the whole ladder, and the Belgian business landscape in numbers gives the rest of the register.

Building a target list from this

Four things to settle before the list is worth working.

Pick a measure and hold it. Revenue, headcount and group size rank the same companies in a different order. Ranking by revenue and then qualifying by seats will produce a list that falls apart on the first call.

Resolve ownership before outreach. The biggest names in Belgium are frequently subsidiaries. Whether the Belgian entity can buy without asking a parent is often the single most important qualifying fact about it, and it is published. Our note on the Belgian company register covers where to look.

Expect revenue to be missing below the top. Turnover is an optional line on the abbreviated and micro filing models, which is what nearly all Belgian companies file. Ranking a mid-market segment by published revenue quietly drops most of it. See finding a Belgian company's revenue.

Count locations separately from companies. One enterprise can run dozens of establishment units, each with its own address and activity codes. If you sell per site, the company count is the wrong denominator. See establishment units explained.

This is the part Bizzy is built for. The ownership tree, the filed employee figures with their four-year trend, and the turnover where it exists all sit on one record, so "is this account independent, and how big is it really" is a read rather than a research project.

Size is one list; growth is another. The Trends Gazelles ranks the fastest growers per province.

Frequently asked questions

What is the largest company in Belgium?

It depends which measure you use. By group revenue worldwide it is AB InBev. By turnover filed in Belgium it is Toyota Motor Europe, at €38.5 billion in its most recently filed accounts, ahead of Pfizer Service Company (€31.9 billion) and Janssen Pharmaceutica (€21.8 billion). By filed headcount, staffing groups come out on top.

What are the 100 largest companies in Belgium?

The full ranking by turnover is at Trends Top; the first fifty companies are free to view, the rest is paid. The top 10 is above. If you want to use the list as a prospecting file, you need to join it to enterprise numbers and to the group structure, because most of the names at the top are subsidiaries of foreign groups.

Who is the largest employer in Belgium?

By headcount in the annual accounts it was Randstad Belgium in the most recent freely available ranking (2018 financial year), ahead of HR Rail and bpost. Staffing companies come first because their temp workers are on their own payroll, not on that of the company where they work.

Why do Belgian company rankings disagree with each other?

Because they count different things: consolidated group revenue earned worldwide, turnover filed by a single Belgian legal entity, or the number of people on a payroll. A holding company can top a revenue list with sixty employees.

How many large companies does Belgium have?

1,720 active enterprises have 250 or more employees, 390 have 1,000 or more, 57 have 5,000 or more, and 15 have 10,000 or more, out of 1,187,819 active enterprises in total.

Why do staffing groups top Belgian employer rankings?

Because the employee figure in annual accounts records who runs the payroll rather than where the work is done. Temporary workers are employed by the agency that places them, not by the company where they work, so the agency carries the headcount.

Are the biggest companies in Belgium actually Belgian?

Often not. Several of the largest by filed turnover (Toyota Motor Europe, Pfizer Service Company, Janssen Pharmaceutica, ExxonMobil, TotalEnergies) are Belgian entities of foreign groups. Check ownership before assuming the buying decision is made locally.

Written by Arthur Cremers at bizzy., which builds B2B company data from the official registers for Belgium and through Creditsafe data for other European countries.

Sources

• Statbel be.STAT: Active enterprises by economic activity and employee size class (reference date 31 December 2024)

• Statbel: Annual evolution of VAT-registered enterprises (published 16 October 2025)

• Trends Top: ranking by turnover (consulted 25 September 2026)

• Trends Business Information: Trends Top 5,000 for the 2024 financial year

• jaarrekening.be, largest employers by filed headcount (2018 financial year), as compiled on Wikipedia

• Fortune Europe 500, 2023 edition (financial year 2022), as compiled in the list of largest companies in Belgium

• National Bank of Belgium: Central Balance Sheet Office

• Photo of Brussels North district by Bdx, CC0 1.0, via Wikimedia Commons