Company · General property developers

Léon Grosse_

As of 30 October 2026, Léon Grosse has 100 open roles (42 new in 30 days), its construction and civil team is hiring most, and its postings name Google Apps Script, Google Workspace and Google Sheets as the tools the team works in.

As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

Versailles, France1001-5000 employees50M-250M revenue, est.B2B, B2G, B2Cleongrosse.fr ↗LinkedIn ↗
Headquarters
Versailles, Île-de-France, France
Employees
1001-5000 employees (linkedin)
Sells to
state services, local authorities, social landlords
Certifications on site
ecovadis, iso_14001, iso_45001, ISO 9001
Site languages
FR
Career system
Teamtailor
100open roles · 42 new in 30 days
14tools named in postings
Belgium, France, Luxembourghiring locations
0change signals read in postings
02 — What they do, whom they sell to, who else does it

Léon Grosse in one screen

Read from leongrosse.fr: what the company does, the customers it names, the buyers we can actually see, and the companies that sell the same thing.

What Léon Grosse does

Léon Grosse is a construction and real estate group that provides construction, energy renovation, facade work, heritage restoration and real estate development. Its offerings include ultra-performant building systems, renewable energy production and low-carbon facade solutions. It serves state services, local authorities, social landlords, companies and promoters, and has expanded internationally through the acquisition of Grupo IC.

ultra-performant building systemsrenewable energy productionlow-carbon facade solutionshistorical building restorationurban regeneration projects
Whom it sells to

Named on the site: state services, local authorities, social landlords, companies and industry, promoters and investors.

Who else sells this

Nearest companies by what they do, sell and whom they serve, 51+ employees. 589 scored.

Groupe OptimFrance · 51-200 employeesGROUPE IDECFrance · 501-1000 employeesCG GroupGermany · 51-200 employeesGroupe CoulonFrance · 51-200 employeesImpresa TononItaly · 501-1000 employeesLa Fenice GroupItaly · 51-200 employees
03 — Tech stack, with the evidence

What Léon Grosse says it runs

Tools named in the company's own postings as the team's systems, with the sentence that says so. What the website and DNS show is listed separately.

Google Apps Script · high confidence · 1 posting
• Amélioration de l'outil existant via la correction de bugs et l'optimisation de scripts/macros (Google Apps Script).
PFE/TFE Chargé de missions QSE H/F · first seen 2026-09-28
Google WorkspaceAdministration & office · medium confidence · 7 postings
Vous avez une bonne maîtrise des outils informatiques (Suite Google et/ou Suite Office).
Assistant administratif / réceptionniste H/F · first seen 2026-08-25
Google SheetsAdministration & office · medium confidence · 7 postings
Maîtrise d’Excel / Google Sheet de PowerPoint et d’AutoCad
PFE/TFE Etudes de Prix H/F · first seen 2026-09-11
Microsoft ExcelAdministration & office · medium confidence · 7 postings
Maîtrise d’Excel / Google Sheet de PowerPoint et d’AutoCad
PFE/TFE Etudes de Prix H/F · first seen 2026-09-11
AutoCADEngineering (non-software) · medium confidence · 7 postings
Maîtrise d’Excel / Google Sheet de PowerPoint et d’AutoCad
PFE/TFE Etudes de Prix H/F · first seen 2026-09-11
Microsoft PowerPoint · medium confidence · 6 postings
Maîtrise d’Excel / Google Sheet de PowerPoint et d’AutoCad
PFE/TFE Etudes de Prix H/F · first seen 2026-09-11
Microsoft OfficeAdministration & office · medium confidence · 1 posting
Vous avez une bonne maîtrise des outils informatiques (Suite Google et/ou Suite Office).
Assistant administratif / réceptionniste H/F · first seen 2026-10-16
Autodesk RevitEngineering (non-software) · medium confidence · 1 posting
Vous avez de bonnes notions des logiciels de CAO/DAO AUTOCAD et REVIT, des logiciels de bureautique standards ainsi que Ms Project.
Ingénieur méthodes génie civil confirmé H/F · first seen 2026-09-24
Esker · medium confidence · 1 posting
Google Workspace, Jira, SAP FI-MM-CO (ECC6), Naviwest (Business central), Sage, IFS, ESKER, etc.
Chargé de support et projet finance F/H · first seen 2026-09-07
IFS · medium confidence · 1 posting
Google Workspace, Jira, SAP FI-MM-CO (ECC6), Naviwest (Business central), Sage, IFS, ESKER, etc.
Chargé de support et projet finance F/H · first seen 2026-09-07
Jira · medium confidence · 1 posting
Google Workspace, Jira, SAP FI-MM-CO (ECC6), Naviwest (Business central), Sage, IFS, ESKER, etc.
Chargé de support et projet finance F/H · first seen 2026-09-07
Dynamics 365 Business Central · medium confidence · 1 posting
Google Workspace, Jira, SAP FI-MM-CO (ECC6), Naviwest (Business central), Sage, IFS, ESKER, etc.
Chargé de support et projet finance F/H · first seen 2026-09-07
Microsoft ProjectEngineering (non-software) · medium confidence · 1 posting
Vous avez de bonnes notions des logiciels de CAO/DAO AUTOCAD et REVIT, des logiciels de bureautique standards ainsi que Ms Project.
Ingénieur méthodes génie civil confirmé H/F · first seen 2026-09-24
Sage · medium confidence · 1 posting
Google Workspace, Jira, SAP FI-MM-CO (ECC6), Naviwest (Business central), Sage, IFS, ESKER, etc.
Chargé de support et projet finance F/H · first seen 2026-09-07
On the website or in DNS

Vendors whose code loads on leongrosse.fr or whose records sit in its DNS. Page plumbing (libraries, fonts, consent banners) is left out.

Amazon SESseen on leongrosse.fr
appleseen on leongrosse.frAtlassianseen on leongrosse.fr
AWS Route 53seen on leongrosse.fr
DocuSignseen on leongrosse.fr
Google Workspaceseen on leongrosse.fr
HubSpotseen on leongrosse.frmailjetseen on leongrosse.fr
04 — Hiring

100 open roles, 98 opened in 90 days

Read hourly from the company's career system. Open roles and new roles in the last 30 days, by team. Companies hiring construction and civil in France →

05 — Signals

What is changing, read from the postings

Intents are events the employer states about itself, each with the sentence and the posting it came from.

No change signals read in the current postings.

Decision makers at Léon Grosse, with verified e-mails, and every change the moment it is posted.

Sales, marketing and IT leaders by function. Add Léon Grosse to a monitor and get a webhook when a role opens, a tool appears or a signal is read.

Free plan: 1,000 records, no card. The first 20 are above; e-mails are verified at the mail server when you open them.

06 — Lookalikes

Companies like Léon Grosse

Nearest by what they do, what they sell and whom they sell to, 51+ employees. 6 of 589 scored.

Groupe OptimGeneral building contractors · France51-200 employees
GROUPE IDECGeneral property developers · France501-1000 employees
CG GroupGeneral property developers · Germany51-200 employees
Groupe CoulonMulti trade renovation · France51-200 employees
Impresa TononGeneral building contractors · Italy501-1000 employees
La Fenice GroupGeneral building contractors · Italy51-200 employees
07 — Profile

From the company's own website

Legal nameLéon Grosse
IndustryProperty & construction · General property developers
Offeringsultra-performant building systems · renewable energy production · low-carbon facade solutions · historical building restoration · urban regeneration projects
Target customersstate services · local authorities · social landlords · companies and industry · promoters and investors
Geographic scopeinternational · also GP
Reviews found
Public contact points2 role addresses · 3 phone numbers
Pages readprivacy, home, imprint, contact, careers, references, about, services
Datescrawled 2026-08-06 · profiled 2026-08-15 · hiring built 2026-10-28
Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

Léon Grosse (Versailles, France, 1001-5000 employees) has 100 open roles, 42 new in 30 days, and names 14 tools in its postings. (Breaknorm, 30 October 2026, https://breaknorm.co/company/leongrosse.fr)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • ProfileBuilt from leongrosse.fr: summary, offerings, customers, certifications and contact points are extracted from its pages, with a confidence score per field.
  • HiringRead hourly from the company's Teamtailor career site; reposts collapse into one record.
  • Tech stackTools the employer's own text names as the team's systems, with the quote; website scripts counted separately.
  • HeadcountLinkedIn where known, otherwise estimated from the site.
FAQ

Léon Grosse: questions

Does Léon Grosse use Google Apps Script?

Yes, by the company's own words: 1 posting name it, first seen 2026-09-28, in the team.

Is Léon Grosse hiring?

100 open roles as of 30 October 2026, 42 opened in the last 30 days and 4 closed. The largest team hiring is construction and civil.

Where does this profile come from?

From leongrosse.fr itself: we crawled it on 2026-08-06, built the profile on 2026-08-15, and read its career site (Teamtailor) hourly since. Headcount is from LinkedIn.

Who should I write to at Léon Grosse?

The people are behind the login: decision makers by function, verified at the mail server when you open them. 2 public role addresses from the site are there too.

Companies and people

Get this company your way

The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.

Léon Grosse and 41.5M more,
read from the source

Look up any company by domain, with its hiring, stack and signals. 1,000 records free.

  1. 01Sign up, no card
  2. 02Connect Claude, ChatGPT or an API key
  3. 03Ask for your market, 1,000 records free