Longest trading · Updated October 2026
Blacktown cleaning services, longest trading
As of October 2026, the three longest-trading cleaning services in Blacktown, NSW on Staying Power are Colossal Commercial Cleaning (started in 1968; 5.0 from 11 Google reviews), Sunrise Pools (started in 1974; 4.5 from 46 Google reviews) and OM Cleanings (started in 1995; 5.0 from 94 Google reviews).
- Cleaning Services compared
- 196
- Google reviews
- 5,696
- Median rating
- 5.0
| # | Business | Rating | Google reviews | Started | Contact |
|---|---|---|---|---|---|
| 1 | Colossal Commercial Cleaning | 11 Google reviews | 1968 | ||
| 2 | Sunrise Pools5/ 8 Victoria Ave, Castle Hill, NSW, 2154 | 46 Google reviews | 1974 | ||
| 3 | OM Cleanings | 94 Google reviews | 1995 | ||
| 4 | Best & Less Cleaning ServicesBlacktown NSW | 19 Google reviews | 1995 | ||
| 5 | Pw Cleaning Services | 13 Google reviews | 1998 | ||
| 6 | Nathan's Window Cleaning | 55 Google reviews | 2004 | ||
| 7 | Mighty Dry Carpet Cleaning | 180 Google reviews | 2006 | ||
| 8 | 101 Pro Clean | 40 Google reviews | 2008 | ||
| 9 | Royal Commercial Cleaning Services | 33 Google reviews | 2009 | ||
| 10 | Oven Valets | 123 Google reviews | 2011 | ||
| 11 | MJT Group Facility Services | 60 Google reviews | 2018 | ||
| 12 | Greater Sydney Pressure Cleaning | 18 Google reviews | 2022 | ||
| 13 | Horizon CleaningBlacktown NSW | 28 Google reviews | 2023 | ||
| 14 | KK Spotless Cleaning Services | 11 Google reviews | 2023 |
Staying Power compared 196 cleaning services in Blacktown, NSW, with 5,696 Google reviews between them. Of these, 14 meet this list's method. The median rating is 5.0 from a median of 11 reviews.
Of the cleaning services compared, the most reviewed is Instafix Clothing Alterations, with 440 Google reviews at 4.4.
How this list is ranked
Businesses are ranked by the year they started, as their own website states it, earliest first. Only businesses rated 4.0 or better from at least 10 Google reviews are listed.
The year is the business's own statement and is not checked against a register, and age alone says nothing about quality.
Questions
- Which cleaning services in Blacktown, NSW have been trading the longest?
- As of October 2026, the three longest-trading cleaning services in Blacktown, NSW on Staying Power are Colossal Commercial Cleaning (started in 1968; 5.0 from 11 Google reviews), Sunrise Pools (started in 1974; 4.5 from 46 Google reviews) and OM Cleanings (started in 1995; 5.0 from 94 Google reviews).
- How does Staying Power rank cleaning services in Blacktown, NSW?
- Businesses are ranked by the year they started, as their own website states it, earliest first. Only businesses rated 4.0 or better from at least 10 Google reviews are listed. The year is the business's own statement and is not checked against a register, and age alone says nothing about quality.
- How many cleaning services in Blacktown, NSW did Staying Power compare?
- Staying Power compared 196 cleaning services in Blacktown, NSW, with 5,696 Google reviews between them. Of these, 14 meet this list's method. The median rating is 5.0 from a median of 11 reviews.
- Can a business pay to be listed or to rank higher?
- No. Every business is ranked by the same published method, and no business can pay to be listed or to move up.