Philadelphia's Commercial Pool Partner — For Over 20 Years
Grannus Pool Service was built around one idea: commercial facilities deserve a pool service partner who shows up, communicates clearly, and takes full ownership of the work. That's what we've delivered to Philadelphia-area hotels, HOAs, fitness centers, and municipalities since day one.
Our Story
Built for commercial pools from the start
Grannus Pool Service was founded in Philadelphia with a clear focus: serve commercial aquatic facilities, and serve them well. From the beginning, we've worked exclusively with commercial clients — hotels, homeowner associations, fitness centers, municipalities, and schools. That focus means our team understands the unique demands of high-traffic, high-accountability pool environments.
Over 20 years, we've built our reputation on consistency. Facility managers and property teams across the Philadelphia metro area rely on us because we show up on schedule, document everything, and communicate proactively — before problems become emergencies.
We're not the biggest pool company in the region. We're the one that treats your facility like a partner, not a line item.
How We Work
What Sets Us Apart
Partnership First
We treat every facility like it's our own. That means proactive communication, no surprises, and a team that's invested in your success.
Accountability
Every visit is documented. Every chemical reading is logged. You always have the records you need — for inspections, audits, or your own peace of mind.
Reliability
We show up when we say we will. Consistent scheduling, consistent quality, and a team you can count on week after week.
Technical Expertise
Commercial pools are complex systems. Our technicians are trained to handle everything from water chemistry to automation systems — not just the basics.
Credentials
Licensed, certified, and fully insured
Commercial pool service requires more than experience — it requires the right credentials. Our team holds the certifications and licenses required to operate in Pennsylvania and New Jersey, and we maintain them through ongoing training and continuing education.
CPO Certified
Certified Pool Operator credentials through the Pool & Hot Tub Alliance — the industry standard for commercial aquatic facility management.
Licensed & Insured
Fully licensed in Pennsylvania and New Jersey, with comprehensive liability insurance covering all commercial service work.
PA & NJ Compliant
Deep familiarity with Pennsylvania Department of Health and New Jersey health code requirements for commercial aquatic facilities.
PHTA Member
Active member of the Pool & Hot Tub Alliance, staying current with industry standards, best practices, and continuing education.
Where We Work
Serving the Greater Philadelphia Metro Area
Our service area covers Philadelphia and the surrounding counties in Pennsylvania and New Jersey. If your commercial facility is in the region and you're not sure if we cover your area, give us a call — we're happy to discuss.
- Philadelphia, PAPrimary service area
- Montgomery County, PA
- Delaware County, PA
- Chester County, PA
- Bucks County, PA
- Lehigh County, PA
- Northampton County, PA
- Berks County, PA
- Mercer County, NJ
Get in Touch
Ready to talk about your facility?
Whether you're looking to switch providers, set up service for a new facility, or just want to understand what a proper commercial pool maintenance program looks like — we're happy to have that conversation.