485 Potomac businesses across 37 trades and services — phone numbers, 147 email addresses and Google ratings.
| Trade | Businesses | With email | Avg rating | No website |
|---|---|---|---|---|
| Construction companies | 59 | 27 | — | 12 |
| Real estate offices | 47 | 15 | — | 8 |
| Restaurants | 42 | 11 | — | 8 |
| Financial advisors and lenders | 42 | 7 | — | 5 |
| Consultants | 39 | 14 | — | 7 |
| Law firms | 26 | 5 | — | 10 |
| Salons and spas | 26 | 8 | — | 5 |
| Daycares, tutors and schools | 24 | 11 | — | 1 |
| Dental clinics | 23 | 9 | — | 6 |
| Gyms and fitness studios | 22 | 8 | — | 1 |
| Medical clinics | 20 | 5 | — | 7 |
| Marketing agencies | 19 | 5 | — | 3 |
| Vets and pet businesses | 15 | 3 | — | 5 |
| IT service companies | 11 | 2 | — | 1 |
| Cafes and bakeries | 8 | 2 | — | 2 |
| Senior care providers | 8 | 2 | — | 0 |
| Electrical contractors | 6 | 3 | — | 0 |
| Landscaping companies | 6 | 2 | — | 2 |
| Cleaning companies | 6 | 3 | — | 3 |
| Auto repair shops | 6 | 1 | — | 2 |
| Locksmiths and security companies | 5 | 0 | — | 3 |
| Bars and breweries | 4 | 1 | — | 1 |
| Moving and storage companies | 4 | 2 | — | 1 |
| Home service businesses | 4 | 1 | — | 1 |
| Accounting firms | 3 | 0 | — | 1 |
| Optometrists and optical shops | 3 | 1 | — | 1 |
| Photographers | 3 | 0 | — | 1 |
| Software companies | 3 | 0 | — | 1 |
| Roofing companies | 2 | 1 | — | 2 |
| Painting companies | 2 | 1 | — | 0 |
| Event and wedding businesses | 2 | 1 | — | 1 |
| HVAC companies | 1 | 1 | — | 0 |
| Plumbing companies | 1 | 1 | — | 0 |
| Car dealerships | 1 | 0 | — | 1 |
| Car washes and detailers | 1 | 0 | — | 0 |
| Insurance agencies | 1 | 1 | — | 0 |
| Staffing agencies | 1 | 0 | — | 0 |
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