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Alertis

  • Roeselare, Belgium
  • Construction and renovation
  • Since 1992
  • alertis.be
  • Verifiedvalid until 19 Oct 2027
120.8FTEEmployeesVerifiedas of 30 Jun 2025
1992FoundedVerified
4/5Financial years checkedFY 2022 – FY 2025
—Average ratingNo reviews yet
0AwardsNo published awards yet

01Overview

About Alertis

Short description by MeritVeri

Alertis is a Belgian family-owned company that designs, installs and maintains fire and gas detection, intrusion detection, CCTV, access control and integrated security systems. It also offers remote monitoring, a technical service desk and alarm-centre connection, with offices in Roeselare (headquarters), Lummen and Merelbeke near Ghent. The company has grown through several acquisitions since it started as Ardovlam in 1990 and was renamed Alertis in 2020.

On this profile

  1. 02VerificationVerified10 items checked by MeritVeri
  2. 03FinancialsProfit in 4 of 4 years · FY 2022 – FY 2025
  3. 04PeopleCEO / managing director, 1 owner / shareholder, and 5 board members, named
  4. 06AwardsNo published awards yet
  5. 07ReviewsNo reviews yet

02Verification

Checked fact by fact

MeritVeri checks each fact against official public sources, the company's own publications or documentary evidence, and lists exactly what was checked. Nothing on this list can be bought.

Verified

Verified on 19 October 2026, valid until the end of 19 October 2027 (Brussels time).

VRF-BE-2026-000094
  • Official public sourcesBusiness register, central balance sheet office, official gazette, EU VAT system and LEI record
  • Published by the companyThe company's own published annual reports and website
  • Decided by MeritVeriMeritVeri decides every verification and records it with its date and reference

What was checked10 items

Items checked by MeritVeri, with the checked value, the source and the state of each
ItemChecked valueSourceState
Registration number0448.987.264—Verified
VAT numberBE 0448.987.264—Verified
Registered office addressKruisboommolenstraat 13, 8800 Roeselare—Verified
Websitehttp://www.alertis.be/—Verified
Year founded1992—Verified
Number of employees120.8 FTEas of 30 Jun 2025—Verified
CEO / managing director1 personsee People—Verified
Owners / shareholders1 shareholdersee People—Verified
Board of directors5 directorssee People—Verified
Financial statementsFY 2022 – FY 2025 · 4 yearssee Financials—Verified

All items checked on 19 Oct 2026

Outside this verification

  • Quality of products and services
  • Phone number and email address
  • Description, logo and photos
  • Social media accounts
  • Creditworthiness or future results

Verification cycles

  1. VRF-BE-2026-000094First verification · Current · 19 Oct 2026 – 19 Oct 2027Verified

03Financials

Four financial years, checked

Every checked amount was compared with the annual accounts filed with the official register. The result label for each year is always public.

  • Verified
  • Not disclosed
  • Not available

EUR

Financial results FY 2022 to FY 2025, oldest first. Each value shows its verification state.
MetricFY 20221 Jul – 30 JunFY 20231 Jul – 30 JunFY 20241 Jul – 30 JunFY 20251 Jul – 30 JunTrend
ResultProfitProfitProfitProfitProfit in 4/4
Revenue€16,738,621.32Verified€20,020,489.01Verified€20,835,530.95Verified€21,813,149.14Verified2022: €16,738,621.322023: €20,020,489.012024: €20,835,530.952025: €21,813,149.14+30% since 2022
Net resultafter tax€1,290,365.38Verified€1,802,144.90Verified€1,540,230.06Verified€1,873,085.97Verified2022: €1,290,365.382023: €1,802,144.902024: €1,540,230.062025: €1,873,085.97+45% since 2022
Equity€5,415,084.15Verified€6,117,229.05Verified€6,357,459.11Verified€6,730,545.08Verified2022: €5,415,084.152023: €6,117,229.052024: €6,357,459.112025: €6,730,545.08+24% since 2022
Gross marginNot availableNot availableNot availableNot available—
EBITDA€2,387,986.25Verified€3,365,887.86Verified€3,233,514.07Verified€3,560,402.55Verified2022: €2,387,986.252023: €3,365,887.862024: €3,233,514.072025: €3,560,402.55+49% since 2022
Source————

FY 20251 Jul – 30 Jun

Profit
Revenue
€21,813,149.14Verified
Net result
€1,873,085.97Verified
Equity
€6,730,545.08Verified
Gross margin
Not available
EBITDA
€3,560,402.55Verified

FY 20241 Jul – 30 Jun

Profit
Revenue
€20,835,530.95Verified
Net result
€1,540,230.06Verified
Equity
€6,357,459.11Verified
Gross margin
Not available
EBITDA
€3,233,514.07Verified

FY 20231 Jul – 30 Jun

Profit
Revenue
€20,020,489.01Verified
Net result
€1,802,144.90Verified
Equity
€6,117,229.05Verified
Gross margin
Not available
EBITDA
€3,365,887.86Verified

FY 20221 Jul – 30 Jun

Profit
Revenue
€16,738,621.32Verified
Net result
€1,290,365.38Verified
Equity
€5,415,084.15Verified
Gross margin
Not available
EBITDA
€2,387,986.25Verified
What the states and labels mean
Profit · Loss · Break-even
Based on the net result of the financial year. Break-even: the net result, positive or negative, is at most 1% of that year's revenue. Otherwise a positive net result is a profit and a negative one a loss. If the year has no revenue figure, it is break-even only when the net result is exactly 0.
Verified
Checked by MeritVeri against the filed annual accounts or other official sources, in a verification that is valid today.
Not disclosed
The company chose not to publish this value.
Not available
There is no value for this financial year.
Amount hidden by the company
The company chose not to show its amounts. The years, the state of each value and the result of each year stay public.

04People

Who runs and owns it

Management, owners and board, checked by MeritVeri against official sources such as the official gazette and filed annual accounts, and against the company's own published annual reports.

Employees
120.8 employees (FTE) · as of 30 Jun 2025
Verified

CEO / managing directorChecked 19 Oct 2026

  • Guy SlagmulderCEO and managing director
    Since 2003Verified

Owners / shareholdersChecked 19 Oct 2026

  • Guy SlagmulderShareholder · Natural person
    Verified

Board of directorsChecked 19 Oct 2026

  • ALERTIS HOLDINGDirector · Since 2026
    Verified
  • Maxim SlagmulderPermanent representative of a legal-person director of CINQUECENTO · Since 2026
    Verified
  • Jasper SnoeckPermanent representative of a legal-person director of KeyNote · Since 2026
    Verified
  • CINQUECENTOPerson in charge of daily management · Since 2026
    Verified
  • KeyNotePerson in charge of daily management · Since 2026
    Verified

Only people marked “Verified” were checked by MeritVeri in a valid verification. “Checked earlier” means that verification is no longer valid.

If you are listed here and do not want to be shown, let us know and we will hide your name. More in our privacy policy.

05Business details

Business details

Each detail says where it comes from. Only details marked “Verified” were checked by MeritVeri.

Legal name
ALERTIS
Trading name
Alertis
Enterprise number
0448.987.264
Verified
VAT number
BE 0448.987.264
Verified
Registered office
Kruisboommolenstraat 138800 RoeselareBelgium
Verified
Industry
Construction and renovation
Founded
1992
Verified
Employees
120.8 FTEas of 30 Jun 2025
Verified
Email address
info@alertis.be

Listing updated on 19 Oct 2026 · Report incorrect information

06Awards

Awards

Results of published award editions. Placements are decided by MeritVeri and can never be bought.

No published award results yet.

07Reviews

What people report

Experiences of customers, employees and business relations. Every review is checked by MeritVeri before it is published; the company cannot remove or reorder them.

—

0 published reviews

  • 5 stars: 0 of 0
  • 4 stars: 0 of 0
  • 3 stars: 0 of 0
  • 2 stars: 0 of 0
  • 1 star: 0 of 0
Customers
0
Employees
0
Business relations
0
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