| 1862. | The first public gas lighting ceremoniously switched on, on 31st October marked the beginning of the work of the Zagreb municipal company – Plinara (Gasworks). |
| 1876. | The Gradska groblja (City Graveyards) founded |
| 1878. | 7th July, the public city water mains begin work |
| 1890. | 8th October the rack and pinion railway started work, the first public transport in Zagreb |
| 1891. | 5th September, ceremonial beginning of the work of the first horse-drawn tramway, the beginning of organized public city transport |
| 1892. | The beginning of work to build the sewer system |
| 1893. | Gradska vrtlarija (the City Gardens Company) founded, today’s Zrinjevac |
| 1909. | Zagrebački velesajam (Zagreb Fair) began work as a modern trade fair destination |
| 1928. | The City Administration founded the company Tržnice Zagreb (Zagreb Markets) |
| 1930. | 1st September, Dolac market ceremoniously opened, as the largest, best known and most important market in Zagreb |
| 1947. | Čistoća (City Waste Disposal) founded to take care of municipal hygiene The Assembly of the People’s Committee of the City of Zagreb founded the company Cestogradnja – city company for low level construction in Zagreb (Road Construction) |
| 1952. | The People’s Committee of the City of Zagreb founded the institution Cesta (Road) to take over all the work of Cestogradnja |
| 1953. | By a decision of the People’s Committee of the City of Zagreb, on 21st April the company Skladište (Warehouse) was founded, today’s Robni terminali Zagreb (Goods Terminals) The Croatia Society of Film Workers founded the company Zagreb Film |
| 1961. | 17th November Autobusni kolodvor Zagreb (Zagreb Bus Station) was founded |
| 1962. | The City Assembly founded the company Vladimir Nazor as an institution to organize leisure time for children and young people 1964 Within the company Cesta (Road) the Winter Services office was founded and for the first time a unified plan was formed for clearing snow in the City of Zagreb 1965 The company Centar (Centre) was founded to provide car parking services for citizens |
| 1964. | u poduzeću Cesta formirana je Uprava Zimske službe te je prvi put uspostavljen jedinstven plan čišćenja snijega za Grad Zagreb |
| 1966. | The institution Ljekarna Zagreb (Zagreb Pharmacy) was founded |
| 1990. | The Gradsko komunalno gospodarstvo d.o.o. (GSKG - the City Housing and Municipal Services Company) was founded 1998 ZGOS d.o.o. founded to improve the Prudinec/Jakuševec municipal waste disposal site |
| 2005. | On 20th December the City Assembly of the City of Zagreb rendered a decision to transfer the founders’ rights and business shares of 23 companies from the City of Zagreb to the City Housing and Municipal Services Company – GSKG - which took on the function of a holding company. |
| 2006. | In January the work of the GSKG began On the basis of a decision by the City Administration of 16th March, the company Zagrebački digitalni grad d.o.o. (Zagreb Digital City) was founded On 15th May the company Zagreb plakat d.o.o. was founded On 3rd July 11 companies within the Holding lost their status as legal entities and became branches of the Holding 7th September the branch Stanogradnja (Housing Construction) was founded. |
| 2007. | 1st January the Company changed its name to Zagrebački holding d.o.o. In January Tehnološki park Zagreb (Zagreb Technology Park) became a branch 12th February the branch Veletržnica (Wholesale Market) joined the branch Tržnice Zagreb (Zagreb Markets) 29th June Zagreb Holding returned to the city its share in Vodoprivreda Zagreb d.o.o. (Zagreb Waterworks) 18th July the branches Zagreb Film and Zoološki vrt (Zagreb Zoo) separated and were returned to the City as institutions 20th July the company Zagreb Arena d.o.o. was founded The branch Upravljanje sportskim objektima (Sports Facilities Management) was founded AGM became part of Zagreb Holding |
| 2008. | 1st June Zagreb Technology Park became Razvojna agencija Zagreb – TPZ d.o.o. (Zagreb Development Agency) 24th April Gradska plinara Zagreb d.o.o. (Zagreb City Gasworks) founded the company Gradska plinara Zagreb – Opskrba d.o.o. (Zagreb City Gasworks – Supplies) The company Zagreb centrum d.d. was founded for real estate business Zagrebačko investicijsko društvo d.o.o. (Zagreb Investment Company) was founded to manage investment funds. |