diff --git a/README.md b/README.md
index 17f5ca65d..951cd25c5 100644
--- a/README.md
+++ b/README.md
@@ -1994,6 +1994,7 @@ If your service provider is not listed, feel free to open a [source request issu
 <summary>Slovakia</summary>
 
 - [fcc Environment](/doc/source/fcc_group_eu.md) / fcc-group.eu
+- [OLO](/doc/source/olo_sk.md) / olo.sk
 </details>
 
 <details>
diff --git a/custom_components/waste_collection_schedule/sources.json b/custom_components/waste_collection_schedule/sources.json
index 141011df3..ced854ec0 100644
--- a/custom_components/waste_collection_schedule/sources.json
+++ b/custom_components/waste_collection_schedule/sources.json
@@ -12899,6 +12899,12 @@
       "module": "fcc_group_eu",
       "default_params": {},
       "id": "fcc_group_eu"
+    },
+    {
+      "title": "OLO",
+      "module": "olo_sk",
+      "default_params": {},
+      "id": "olo_sk"
     }
   ],
   "Slovenia": [
diff --git a/custom_components/waste_collection_schedule/translations/de.json b/custom_components/waste_collection_schedule/translations/de.json
index 0ca7723cd..9c0e6c532 100644
--- a/custom_components/waste_collection_schedule/translations/de.json
+++ b/custom_components/waste_collection_schedule/translations/de.json
@@ -11082,6 +11082,28 @@
         },
         "data_description": {}
       },
+      "args_olo_sk": {
+        "title": "Quelle konfigurieren",
+        "description": "Konfiguriere deinen Service Provider. Mehr details: https://github.com/mampfes/hacs_waste_collection_schedule/blob/master/doc/source/olo_sk.md",
+        "data": {
+          "calendar_title": "Kalender Titel",
+          "registrationNumber": "Registration Number",
+          "street": "Straße"
+        },
+        "data_description": {
+          "calendar_title": "Ein lesbarerer oder benutzerfreundlicherer Name für den Müllkalender. Wenn nichts angegeben wird, wird der Name der Quelle verwendet."
+        }
+      },
+      "reconfigure_olo_sk": {
+        "title": "Quelle Neu Konfigurieren",
+        "description": "Konfiguriere deinen Service Provider. Mehr details: https://github.com/mampfes/hacs_waste_collection_schedule/blob/master/doc/source/olo_sk.md",
+        "data": {
+          "calendar_title": "Kalender Titel",
+          "registrationNumber": "Registration Number",
+          "street": "Straße"
+        },
+        "data_description": {}
+      },
       "args_mojiodpadki_si": {
         "title": "Quelle konfigurieren",
         "description": "Konfiguriere deinen Service Provider. Mehr details: https://github.com/mampfes/hacs_waste_collection_schedule/blob/master/doc/source/mojiodpadki_si.md",
diff --git a/custom_components/waste_collection_schedule/translations/en.json b/custom_components/waste_collection_schedule/translations/en.json
index ada2c07c6..e4a86f22a 100644
--- a/custom_components/waste_collection_schedule/translations/en.json
+++ b/custom_components/waste_collection_schedule/translations/en.json
@@ -11113,6 +11113,33 @@
         },
         "data_description": {}
       },
+      "args_olo_sk": {
+        "title": "Configure Source",
+        "description": "Configure your service provider. More details: https://github.com/mampfes/hacs_waste_collection_schedule/blob/master/doc/source/olo_sk.md.",
+        "data": {
+          "calendar_title": "Calendar Title",
+          "registrationNumber": "Enter OLO registration number",
+          "street": "Enter street name"
+        },
+        "data_description": {
+          "calendar_title": "A more readable, or user-friendly, name for the waste calendar. If nothing is provided, the name returned by the source will be used.",
+          "registrationNumber": "OLO registration number",
+          "street": "Street name and number"
+        }
+      },
+      "reconfigure_olo_sk": {
+        "title": "Reconfigure Source",
+        "description": "Configure your service provider. More details: https://github.com/mampfes/hacs_waste_collection_schedule/blob/master/doc/source/olo_sk.md.",
+        "data": {
+          "calendar_title": "Calendar Title",
+          "registrationNumber": "Enter OLO registration number",
+          "street": "Enter street name"
+        },
+        "data_description": {
+          "registrationNumber": "OLO registration number",
+          "street": "Street name and number"
+        }
+      },
       "args_mojiodpadki_si": {
         "title": "Configure Source",
         "description": "Configure your service provider. More details: https://github.com/mampfes/hacs_waste_collection_schedule/blob/master/doc/source/mojiodpadki_si.md.",
diff --git a/custom_components/waste_collection_schedule/translations/it.json b/custom_components/waste_collection_schedule/translations/it.json
index 9c46d49ae..fa9e2e4b2 100644
--- a/custom_components/waste_collection_schedule/translations/it.json
+++ b/custom_components/waste_collection_schedule/translations/it.json
@@ -11043,6 +11043,28 @@
         },
         "data_description": {}
       },
+      "args_olo_sk": {
+        "title": "Configurazione Sorgente",
+        "description": "Compila i campi per ottenere le informazioni sul tuo servizio di raccolta. Maggiori informazioni: https://github.com/mampfes/hacs_waste_collection_schedule/blob/master/doc/source/olo_sk.md.",
+        "data": {
+          "calendar_title": "Nome Calendario",
+          "registrationNumber": "Registration Number",
+          "street": "Strada"
+        },
+        "data_description": {
+          "calendar_title": "Puoi cambiare il nome del calendario della raccolta dei rifiuti, altrimenti di default verra' utilizzato il nome del tuo fornitore di servizi."
+        }
+      },
+      "reconfigure_olo_sk": {
+        "title": "Riconfigurazione Sorgente",
+        "description": "Compila i campi per ottenere le informazioni sul tuo servizio di raccolta. Per maggiori informazioni: https://github.com/mampfes/hacs_waste_collection_schedule/blob/master/doc/source/olo_sk.md.",
+        "data": {
+          "calendar_title": "Nome Calendario",
+          "registrationNumber": "Registration Number",
+          "street": "Strada"
+        },
+        "data_description": {}
+      },
       "args_mojiodpadki_si": {
         "title": "Configurazione Sorgente",
         "description": "Compila i campi per ottenere le informazioni sul tuo servizio di raccolta. Maggiori informazioni: https://github.com/mampfes/hacs_waste_collection_schedule/blob/master/doc/source/mojiodpadki_si.md.",
diff --git a/custom_components/waste_collection_schedule/waste_collection_schedule/source/olo_sk.py b/custom_components/waste_collection_schedule/waste_collection_schedule/source/olo_sk.py
new file mode 100644
index 000000000..ba3aea7e0
--- /dev/null
+++ b/custom_components/waste_collection_schedule/waste_collection_schedule/source/olo_sk.py
@@ -0,0 +1,250 @@
+import datetime
+from waste_collection_schedule import Collection
+import requests
+import re
+from waste_collection_schedule.exceptions import SourceArgumentRequired
+
+TITLE = "OLO"
+DESCRIPTION = "Source for OLO in Bratislava, Slovakia"
+URL = "https://www.olo.sk"
+TEST_CASES = {
+    "Jantarova 47": {"street": 'Jantarova 47', "registrationNumber": '2441788'},
+    "Jasovska 8": {"street": 'Jasovska 8', "registrationNumber": '1353013'},
+    "Rovniankova 5": {"street": 'Rovniankova 5', "registrationNumber": ''},
+}
+
+ICON_MAP = {
+    "Zmesový odpad": "mdi:trash-can",
+    "Triedený odpad": "mdi:recycle",
+    "Kuchynský odpad": "mdi:countertop",
+}
+
+# The API list names will be probably needed to change by an future update because it looks like OLO creates new list names each year (at least for some waste types)
+# To get the list names automatically would require magic as it can be only identified by a human from the web site
+API_LIST_NAME = {
+    "DOMESTIC": "zkoD",
+    "RECYCLE": "vrecovyZ",
+    "KITCHEN": "kbro"
+}
+
+# Translation of week days from Slovak (OLO API) to English
+WEKDAYS = {
+    "pondelok": "Monday",
+    "utorok": "Tuesday",
+    "streda": "Wednesday",
+    "štvrtok": "Thursday",
+    "piatok": "Friday",
+    "sobota": "Saturday",
+    "nedeľa": "Sunday"
+}
+
+API_URL = "https://olo-strapi-meilisearch.bratislava.sk/indexes/waste-collection-day/search"
+# where to look for the api key
+API_KEY_REGEX = r'"NEXT_PUBLIC_MEILISEARCH_HOST:",\s*".*?",\s*"(.*?)"'
+API_KEY_SOURCE = "https://www.olo.sk/odpad/zistite-si-svoj-odvozovy-den"
+API_KEY_JS_BASE = "https://www.olo.sk"
+# Fallback API key in case we can't extract it from the source
+API_KEY_FALLBACK = "ae84ae0982c2162a81eb253765ceaa8593abd9105c71954cf5c9620b0178cbb6"
+
+#### Arguments affecting the configuration GUI ####
+
+PARAM_DESCRIPTIONS = {
+    "en": {
+        "street": "Street name and number",
+        "registrationNumber": "OLO registration number"
+    }
+}
+
+PARAM_TRANSLATIONS = {
+    "en": {
+        "street": "Enter street name",
+        "registrationNumber": "Enter OLO registration number"
+    }
+}
+
+#### End of arguments affecting the configuration GUI ####
+
+
+class Source:
+    def __init__(self, street: str, registrationNumber: str):
+        self._street = street
+        self._registrationNumber = registrationNumber
+
+    # Parse dates from string list
+    def parseDates(self, dates_str: str) -> list[datetime.date]:
+        # Split dates by semicolon, trim whitespace and remove empty strings
+        dates = dates_str.split(";")
+        dates = [date.strip() for date in dates]
+        dates = [date for date in dates if date]
+
+        # Convert string dates to datetime objects
+        return [datetime.datetime.strptime(date, "%d.%m.%Y").date() for date in dates]
+
+    # Generic function to fetch waste information from API
+    def fetchWasteType(self, waste_type: str) -> list[str]:
+        # Get api key from the page source
+        apiKey = self.findApiKey()
+        if not apiKey:
+            apiKey = API_KEY_FALLBACK
+
+        headers = {
+            "Content-Type": "application/json",
+            "Accept": "application/json",
+            "authorization": "Bearer " + apiKey
+        }
+
+        params = {
+            "q": self._street,
+            "limit": 100,
+            "offset": 0,
+            "sort": ["waste-collection-day.address:asc"],
+            "filter": ["type = \"waste-collection-day\"", "waste-collection-day.type = \"" + waste_type + "\""]
+        }
+
+        response = requests.post(API_URL, json=params, headers=headers)
+        response.raise_for_status()  # Raise an error for bad status codes
+        data = response.json()
+        # 'hits' is a list of items, each item contains 'waste-collection-day' object
+        items = data.get("hits", [])
+        # return list of 'waste-collection-day' objects so that we can process directly the inside elements in other functions
+        return [item.get("waste-collection-day", {}) for item in items]
+
+    # Get recycable waste collection dates
+    def getRecycableWaste(self) -> list[Collection]:
+        items = self.fetchWasteType(API_LIST_NAME.get("RECYCLE"))
+        if not items:
+            return []
+
+        first_item = items[0]
+
+        collection_dates_str = first_item.get("collectionDates")
+        if not collection_dates_str:
+            return []
+
+        collection_dates = self.parseDates(collection_dates_str)
+
+        return [Collection(
+            date=date,
+            t="Triedený odpad",
+            icon=ICON_MAP.get("Triedený odpad")
+        ) for date in collection_dates]
+
+    # Generate list of dates based on week days and even/odd week
+    def generateDates(self, weekdays: list[str], isEvenWeek: bool, useEvenOdd: bool) -> list[datetime.date]:
+        today = datetime.date.today()
+        end_date = today + datetime.timedelta(days=90)
+        dates = []
+
+        current_date = today
+        while current_date <= end_date:
+            week_number = current_date.isocalendar()[1]
+            if (not useEvenOdd) or (isEvenWeek and week_number % 2 == 0) or (not isEvenWeek and week_number % 2 != 0):
+                if current_date.strftime("%A") in weekdays:
+                    dates.append(current_date)
+            current_date += datetime.timedelta(days=1)
+        return dates
+
+    # Get domestic waste collection dates
+    def getDomesticWaste(self) -> list[Collection]:
+        items = self.fetchWasteType(API_LIST_NAME.get("DOMESTIC"))
+        if not items:
+            return []
+
+        if self._registrationNumber:
+            items = [item for item in items if item.get(
+                "registrationNumber") == self._registrationNumber]
+            if not items:
+                return []
+
+        first_item = items[0]
+
+        evenWeek_str = first_item.get("evenWeek", "")
+        oddWeek_str = first_item.get("oddWeek", "")
+
+        evenWeek = [day.strip()
+                    for day in evenWeek_str.split(",") if day.strip()]
+        oddWeek = [day.strip()
+                   for day in oddWeek_str.split(",") if day.strip()]
+
+        evenWeek = [WEKDAYS[day] for day in evenWeek]
+        oddWeek = [WEKDAYS[day] for day in oddWeek]
+
+        evenWeek_dates = self.generateDates(evenWeek, True, True)
+        oddWeek_dates = self.generateDates(oddWeek, False, True)
+
+        collection_dates = evenWeek_dates + oddWeek_dates
+        collection_dates.sort()
+
+        return [Collection(
+            date=date,
+            t="Zmesový odpad",
+            icon=ICON_MAP.get("Zmesový odpad")
+        ) for date in collection_dates]
+
+     # Get domestic waste collection dates
+    def getKitchenWaste(self) -> list[Collection]:
+        items = self.fetchWasteType(API_LIST_NAME.get("KITCHEN"))
+        if not items:
+            return []
+
+        first_item = items[0]
+
+        weekDays_str = first_item.get("pickupWeekdays", "")
+        weekDays = [day.strip()
+                    for day in weekDays_str.split(",") if day.strip()]
+        weekDays = [WEKDAYS[day] for day in weekDays]
+        dates = self.generateDates(weekDays, True, False)
+        dates.sort()
+
+        return [Collection(
+            date=date,
+            t="Kuchynský odpad",
+            icon=ICON_MAP.get("Kuchynský odpad")
+        ) for date in dates]
+
+    # Find API key in the web page source code
+    def findApiKey(self) -> str:
+        # get the page source html
+        pageSource = requests.get(API_KEY_SOURCE)
+        pageSource.raise_for_status()
+        pageSource = pageSource.text
+
+        # find all .js references in the html source
+        jsRefs = re.findall(r'<script src="([^"]+)"', pageSource)
+
+        # for each .js reference, check if it contains the api key
+        for jsRef in jsRefs:
+            apiKey = self.parseApiKey(jsRef)
+            if apiKey:
+                return apiKey
+
+        return ""
+
+    # Extract the api key from a .js file
+    def parseApiKey(self, jsRef: str) -> str:
+        response = requests.get(API_KEY_JS_BASE + jsRef)
+        response.raise_for_status()
+        jsSource = response.text
+
+        # find the api key in the .js source code
+        match = re.search(API_KEY_REGEX, jsSource)
+        if match:
+            return match.group(1)
+        else:
+            return ""
+
+    # Fetch data from source
+    def fetch(self) -> list[Collection]:
+        if not self._street:
+            raise SourceArgumentRequired("street")
+
+        recycable_waste = self.getRecycableWaste()
+        domestic_waste = self.getDomesticWaste()
+        kitchen_waste = self.getKitchenWaste()
+
+        entries = recycable_waste + domestic_waste + kitchen_waste
+
+        if not entries:
+            raise Exception("No waste data found")
+
+        return entries
diff --git a/doc/source/olo_sk.md b/doc/source/olo_sk.md
new file mode 100644
index 000000000..2d280b437
--- /dev/null
+++ b/doc/source/olo_sk.md
@@ -0,0 +1,45 @@
+Support for schedules provided by [OLO](https://www.olo.sk/), serving in Bratislava, Slovakia.
+These waste types are supported:
+- Zmesovy odpad
+- Triedeny odpad
+- Kuchynsky odpad
+
+## Configuration via configuration.yaml
+
+```yaml
+waste_collection_schedule:
+    sources:
+    - name: olo_sk
+      args:
+        street: STREET
+        registrationNumber: NUMBER
+
+```
+
+### Configuration Variables
+
+**street**
+*(String) (required)*
+
+**registrationNumber**
+*(String) (optional)*
+
+## Example
+
+```yaml
+waste_collection_schedule:
+    sources:
+    - name: olo_sk
+      args:
+        street: Jantarova 47
+        registrationNumber: 123456
+```
+
+```yaml
+waste_collection_schedule:
+    sources:
+    - name: olo_sk
+      args:
+        street: Jasovska 8
+        registrationNumber: 987654
+```
\ No newline at end of file
diff --git a/info.md b/info.md
index ed7d9ff51..0ea8aa67c 100644
--- a/info.md
+++ b/info.md
@@ -34,7 +34,7 @@ Waste collection schedules from service provider web sites are updated daily, de
 | New Zealand | Auckland Council, Christchurch City Council, Dunedin District Council, Gore, Invercargill & Southland, Hamilton City Council, Horowhenua District Council, Hutt City Council, Napier City Council, Porirua City, Rotorua Lakes Council, Tauranga City Council, Waipa District Council, Wellington City Council |
 | Norway | Avfall Sør, Kristiansand, BIR (Bergensområdets Interkommunale Renovasjonsselskap), Fosen Renovasjon, IRiS, Min Renovasjon, Movar IKS, Oslo Kommune, ReMidt Orkland muni, Sandnes Kommune, Stavanger Kommune, Trondheim |
 | Poland | ABRUKO PLUS, App Moje Odpady, Bydgoszcz Pronatura, Czerwonak, Murowana Goślina, Oborniki, Ecoharmonogram, Gmina Bardo, Gmina Bartniczka, Gmina Brzeg Dolny, Gmina Brzeziny, Gmina Cedry Wielkie, Gmina Chojnów, Gmina Czechowice- Dziedzice, Gmina Czernichów, Gmina Daleszyce, Gmina Dobra, Gmina Dygowo, Gmina Gaworzyce, Gmina Gać, Gmina Gniew, Gmina Gorlice, Gmina Gorzyce, Gmina Gościno, Gmina Grabów nad Prosną, Gmina Grodków, Gmina Grodzisk Mazowiecki, Gmina i Miasto Dzierzgoń, Gmina i Miasto Nowe Skalmierzyce, Gmina Inowrocław, Gmina Jeżewo, Gmina Kamionka Wielka, Gmina Kluczbork, Gmina Kolbudy, Gmina Kozy, Gmina Krotoszyce, Gmina Kruszwica, Gmina Krzanowice, Gmina Legnickie Pole, Gmina Lubrza, Gmina Miedziana Góra, Gmina Miejska Hrubieszów, Gmina Miejska Kowal, Gmina Mielec, Gmina Międzybórz, Gmina Miękinia, Gmina Mogilany, Gmina Mokrsko, Gmina Mysłakowice, Gmina Nowa Ruda, Gmina Nowa Słupia, Gmina Nowy Staw, Gmina Olsztynek, Gmina Osiecznica, Gmina Osiek, Gmina Ostrowiec Świętokrzyski, Gmina Pajęczno, Gmina Pawłowice, Gmina Polanica-Zdrój, Gmina Porąbka, Gmina Pruszcz, Gmina Przeworno, Gmina Przykładowa, Gmina Pyskowice, Gmina Radoszyce, Gmina Reda, Gmina Rumia, Gmina Skarszewy, Gmina Sobótka, Gmina Sośno, Gmina Starogard Gdański, Gmina Staszów, Gmina Stawiguda, Gmina Strzelin, Gmina Szczytna, Gmina Sztum, Gmina Szumowo, Gmina Słupca, Gmina Słupno, Gmina Topólka, Gmina Ulan-Majorat, Gmina Wieluń, Gmina Wierzchlas, Gmina Wilkowice, Gmina Wisznia Mała, Gmina Wiązów, Gmina Wodzisław, Gmina Wojcieszków, Gmina Wołów, Gmina Wąchock, Gmina Władysławowo, Gmina Zaleszany, Gmina Zbrosławice, Gmina Zduńska Wola, Gmina Złoty Stok, Gmina Łęczyce, Gmina Świdnica, Gmina Świecie, Gmina Żmigród, Gminne Przedsiębiorstwo Komunalne Sp. z o.o. w Skarszewach, Gospodarka Odpadami - Pelplin, Gospodarka Odpadami - Starogard Gdański, Klient Szablonowy - Ekostrażnik, Klient Szablonowy - Karty Usług, KOMUS, Koziegłowy/Objezierze/Oborniki, Miasto i Gmina Morawica, Miasto i Gmina Łasin, Miasto Inowrocław, Miasto Malbork, Miasto Rejowiec Fabryczny, Miasto Rydułtowy, Miasto Wałbrzych, MPGK Katowice, Parafia św. Wojciecha Biskupa i Męczennika w Nidzicy, Polkowice, Poznań, Przedsiębiorstwo Gospodarki Komunalnej w Wołowie Sp. z o.o., SISMS.pl / BLISKO, Strzelce Krajeńskie, Warsaw, Wrocław, ZGPD-7 |
-| Slovakia | fcc Environment |
+| Slovakia | fcc Environment, OLO |
 | Slovenia | Moji odpadki, Ljubljana, Snaga Maribor |
 | Sweden | Affärsverken, Avfallsapp.se - Multi Source, Boden, Borås Energi och Miljö, EDPEvent - Multi Source, Gästrike Återvinnare, Jönköping - June Avfall & Miljö, Kretslopp Sydost, Kristianstad Renhållning, Landskrona - Svalövs Renhållning, Lerum Vatten och Avlopp, Linköping - Tekniska Verken, Luleå, Lund Waste Collection, Mölndal, Norrtalje Vatten & Avfall, North / Middle Bohuslän - Rambo AB, Region Gotland, Ronneby Miljöteknik, Roslagsvatten, Samverkan Återvinning Miljö (SÅM), Skellefteå, SRV Återvinning, SSAM (Deprecated), SSAM Södra Smalånds Avfall & Miljö, Sysav Sophämntning, Söderköping, Uppsala Vatten, Uppsala Vatten och Avfall AB (Deprecated), VA Syd Sophämntning, VIVAB Sophämtning, Västervik Miljö & Energi |
 | Switzerland | A-Region, Alchenstorf, Andwil, Appenzell, Berg, Bühler, Canton of Zürich, Eggersriet, Gais, Gaiserwald, Gasel, Goldach, Grosswangen, Grub, Heiden, Herisau, Horn, Hundwil, Häggenschwil, Köniz, Köniz, Liebefeld, Lindau, Lutzenberg, Mittelhäusern, Muolen, Mörschwil, Münchenstein, Münsingen BE, Switzerland, Nieder-/Oberscherli, Niederwangen, Oberwangen, Rapperswil, Real Luzern, Real Luzern, Rehetobel, Rorschach, Rorschacherberg, Sammelkalender.ch, Schliern, Schwellbrunn, Schönengrund, Seon, Speicher, Spiegel, Stadt Bülach, Stein, Steinach, Teufen, Thal, Thörishaus, Trogen, Tübach, Untereggen, Urnäsch, Wabern, Wald, Waldkirch, Waldstatt, Winterthur, Wittenbach, Wolfhalden, ZAKU Entsorgung, Zeba, ZKRI |