# Duff Frank Electric Service Inc

Canonical page: https://bestelectricianspennsylvania.com/pa/electricians/duff-frank-electric-service/

Duff Frank Electric Service Inc has one Google listing, with 17 reviews and a rating of 5.0. Ratings from Google, checked 10 November 2026.

Wyndmoor, Montgomery County

**5.0** from 17 Google reviews

- Family-run
- 24/7 service
- Registered 1969

[Visit website](http://www.frankduffelectric.com/)

**82.1** out of 100 formula v1.5

Score: 82.1 out of 100 (formula v1.5, data of 14 November 2026). Place 43 of 150 in the family-run ranking of Pennsylvania and 87 of 672 in the full directory ranking.

- **5.0** Google rating from 17 reviews ([Google](https://maps.google.com/?cid=10129061025879719423&g_mp=Cidnb29nbGUubWFwcy5wbGFjZXMudjEuUGxhY2VzLlNlYXJjaFRleHQQAhgEIAA), read 10 November 2026)
- **Family-run** as its website states ([page](https://frankduffelectric.com/))
- **78 years** in business, founded 1948 according to the company ([page](https://frankduffelectric.com/))

## Key facts

- **Based in:** Wyndmoor, Montgomery County (ZIP 19038)
- **Phone:** (215) 233-0598 (from its Google listing)
- **Website:** [http://www.frankduffelectric.com/](http://www.frankduffelectric.com/)
- **Google rating:** 5.0 average from 17 reviews. Ratings from Google, checked 10 November 2026. [Main listing](https://maps.google.com/?cid=10129061025879719423&g_mp=Cidnb29nbGUubWFwcy5wbGFjZXMudjEuUGxhY2VzLlNlYXJjaFRleHQQAhgEIAA).
- **Ownership:** Family-owned and independent, confirmed by an independent source. Sources: [company website](https://frankduffelectric.com/about/), [state record](https://data.pa.gov/d/xvd7-5r2c), [company website](https://frankduffelectric.com/). Researched 10 November 2026.
- **Family-run:** Yes; the website says "Get reliable service from a family-run business." ([page](https://frankduffelectric.com/)); the website says "Family-Owned Electricians Serving Wyndmoor, PA Since 1948" ([page](https://frankduffelectric.com/)). Website read 10 November 2026.
- **Founded:** 1948, according to the company ([page](https://frankduffelectric.com/)).
- **State registration:** FRANK DUFF ELECTRIC SERVICE, INC., Domestic Business Corporation, registered 6 January 1969, filing 0000099687 ([Pennsylvania Department of State](https://data.pa.gov/d/xvd7-5r2c), checked 11 November 2026).
- **Officer on record:** Matthew Duff, Governor and President (the register's term for a director or manager) ([Pennsylvania Department of State register](https://data.pa.gov/d/xvd7-5r2c), checked 11 November 2026).
- **Named by the company:** P. Francis Duff, founder ([company website](https://frankduffelectric.com/about/), checked 10 November 2026).
- **Named by the company:** Matthew T. Duff, president ([company website](https://frankduffelectric.com/about/), checked 10 November 2026).

## Why it ranks here

Duff Frank Electric Service Inc scores 82.1 out of 100, and most of its points come from the Google rating (37.5 of 44.4 possible) and claim accuracy (22.2 of 22.2 possible). It loses the most on the number of reviews, 11.0 of 16.7 points, with 17 Google reviews against the 5,000 needed for full credit. It earns no bonus points: we did not find published prices, 24/7 service shown in its Google hours or a written workmanship warranty with a stated term on its website.

**Score breakdown, formula v1.5 ([method](https://bestelectricianspennsylvania.com/methodology/))**

| Part | Weight | Value | Points | Possible |
|---|---:|---:|---:|---:|
| Google rating, adjusted for review count | 40% | 0.844 | 37.5 | 44.4 |
| Number of Google reviews | 15% | 0.339 | 5.7 | 16.7 |
| Accuracy of the company's own claims | 20% | 1.000 | 22.2 | 22.2 |
| Years in business | 10% | 1.000 | 11.1 | 11.1 |
| State registration check | 10% | not used yet |  |  |
| Transparency (website, phone, address, hours) | 5% | 1.000 | 5.6 | 5.6 |
| Weighted score |  |  | 82.1 | 100.0 |
| **Final score** |  |  | **82.1** | 100.0 |

## How it compares in Pennsylvania

**Duff Frank Electric Service Inc compared with the median of the ranked companies, data of 14 November 2026. Ratings from Google. Years in business count only an exact founding year, so their medians cover the 174 ranked companies statewide that have one (62 in Montgomery County).**

| Measure | Duff Frank Electric Service Inc | Median of the 672 ranked in Pennsylvania | Median of the 221 ranked in Montgomery County |
|---|---:|---:|---:|
| Score | 82.1 | 73.5 | 75.4 |
| Google rating | 5.0 | 4.9 | 4.9 |
| Google reviews | 17 | 33 | 41 |
| Years in business | 78 | 26 | 25 |

- Place 87 of 672 in the full directory ranking of Pennsylvania, ahead of 87% of the 672 ranked companies.
- Ranked 47th in Montgomery County, the only county where it has a Google listing or says it serves (Google listing there).
- Ranked 33rd in Wyndmoor, the only town where it has a Google listing or says it serves (Google listing there).

## Where it ranks

- [Bucks County](https://bestelectricianspennsylvania.com/pa/county/bucks/): 29th in the directory ranking, 19th in the family-run ranking; based 10 miles away.
- [Delaware County](https://bestelectricianspennsylvania.com/pa/county/delaware/): 36th in the directory ranking, 17th in the family-run ranking; based 9 miles away.
- [Montgomery County](https://bestelectricianspennsylvania.com/pa/county/montgomery/): 47th in the directory ranking, 22nd in the family-run ranking; Google listing there.
- [Philadelphia County](https://bestelectricianspennsylvania.com/pa/county/philadelphia/): 19th in the directory ranking, 9th in the family-run ranking; based 6 miles away.
- [Glenside](https://bestelectricianspennsylvania.com/pa/town/glenside/): 30th in the directory ranking, 13th in the family-run ranking; based 2 miles away.
- [Havertown](https://bestelectricianspennsylvania.com/pa/town/havertown/): 32nd in the directory ranking, 15th in the family-run ranking; based 9 miles away.
- [Horsham](https://bestelectricianspennsylvania.com/pa/town/horsham/): 29th in the directory ranking, 16th in the family-run ranking; based 8 miles away.
- [Jenkintown](https://bestelectricianspennsylvania.com/pa/town/jenkintown/): 31st in the directory ranking, 15th in the family-run ranking; based 3 miles away.
- [Lafayette Hill](https://bestelectricianspennsylvania.com/pa/town/lafayette-hill/): 35th in the directory ranking, 15th in the family-run ranking; based 3 miles away.
- [Norristown](https://bestelectricianspennsylvania.com/pa/town/norristown/): 32nd in the directory ranking, 15th in the family-run ranking; based 8 miles away.
- [Warminster](https://bestelectricianspennsylvania.com/pa/town/warminster/): 23rd in the directory ranking, 16th in the family-run ranking; based 10 miles away.
- [Willow Grove](https://bestelectricianspennsylvania.com/pa/town/willow-grove/): 30th in the directory ranking, 14th in the family-run ranking; based 6 miles away.

## Other electricians in Montgomery County

**The ranked companies of Montgomery County placed nearest to Duff Frank Electric Service Inc in the county's full directory ranking. Data of 14 November 2026. [All of Montgomery County](https://bestelectricianspennsylvania.com/pa/county/montgomery/).**

| Place in county | Company | Score |
|---:|---|---:|
| 44 | [Crosswyre Electric](https://bestelectricianspennsylvania.com/pa/electricians/crosswyre-electric/) Coopersburg, Lehigh County | **82.7** |
| 45 | [All Abuzz Electric](https://bestelectricianspennsylvania.com/pa/electricians/all-abuzz-electric/) Allentown, Lehigh County | **82.4** |
| 46 | [Zak Electric](https://bestelectricianspennsylvania.com/pa/electricians/zak-electric/) Philadelphia, Philadelphia County | **82.4** |
| 48 | [Gillespie Electric, Inc.](https://bestelectricianspennsylvania.com/pa/electricians/gillespie-electric/) East Greenville, Montgomery County | **81.9** |
| 49 | [Brad Brown Electric](https://bestelectricianspennsylvania.com/pa/electricians/brad-brown-electric/) Bryn Mawr, Delaware County | **81.8** |
| 50 | [Xperienced Electric](https://bestelectricianspennsylvania.com/pa/electricians/xperienced-electric/) Norristown, Montgomery County | **81.7** |

## Google listings

**Google listings of Duff Frank Electric Service Inc. Ratings from Google, read on the dates shown**

| Listing | Town | County | Rating | Reviews | Read on |
|---|---|---|---:|---:|---|
| [Duff Frank Electric Service Inc](https://maps.google.com/?cid=10129061025879719423&g_mp=Cidnb29nbGUubWFwcy5wbGFjZXMudjEuUGxhY2VzLlNlYXJjaFRleHQQAhgEIAA) | Wyndmoor | Montgomery | 5.0 | 17 | 2026-11-10 |

## Claims checked

Each statement found on the company's website was compared with records we did not get from the company. The results use three terms only: supported, no independent record, and inconsistent with records.

**Claims on the company's website compared with independent records**

| Claim | Result | What we found | Sources | Score effect | Checked |
|---|---|---|---|---|---|
| Founding year | **no independent record** | The business states it began in 1948; its current registration dates from 1969 (web records cannot show anything about years before 1996). | [claim](https://frankduffelectric.com/); [Pennsylvania Department of State formation date (1969-01-06)](https://data.pa.gov/d/xvd7-5r2c); [domain registration (2001-02-22)](https://rdap.verisign.com/com/v1/domain/frankduffelectric.com); [first Internet Archive capture (2001-09-09)](https://web.archive.org/web/20010909030331/http://www.frankduffelectric.com:80/) | none | 2026-11-10 |
| Review total | **supported** | The site claims 5 reviews; the 1 Google listing we found has 17 in total (ratio 0.29). | [claim](https://frankduffelectric.com/); [Google listings (1) (2026-11-10)](https://maps.google.com/?cid=10129061025879719423) | none | 2026-11-10 |
| Number of locations | **supported** | The site publishes 1 location; we found 1 Google listing for the company (ratio 1.0). | [claim](https://frankduffelectric.com/); [Google listings (1) (2026-11-10)](https://maps.google.com/?cid=10129061025879719423) | none | 2026-11-10 |

## Services and what the company says about itself

- **Work named on its website:** Commercial work, emergency service, [EV chargers](https://bestelectricianspennsylvania.com/pa/services/ev-chargers/), [lighting](https://bestelectricianspennsylvania.com/pa/services/lighting/), [panel upgrades](https://bestelectricianspennsylvania.com/pa/services/panel-upgrades/), residential work and [rewiring](https://bestelectricianspennsylvania.com/pa/services/rewiring/) ([website](http://www.frankduffelectric.com/), read 10 November 2026).
- **24/7 service:** The website says so; Google's hours do not show it open 24 hours: "24x7 Support" ([page](https://frankduffelectric.com/)).
- **Prices:** The website describes its pricing policy without prices: "Get honest, upfront pricing on everything from" ([page](https://frankduffelectric.com/)).
- **Google profile:** On its main Google profile, the owner replied to 0 of the 10 newest reviews ([profile](https://maps.google.com/?cid=10129061025879719423&g_mp=Cidnb29nbGUubWFwcy5wbGFjZXMudjEuUGxhY2VzLlNlYXJjaFRleHQQAhgEIAA), checked 10 November 2026).
- **Website read:** 10 November 2026

## Questions

### Is Duff Frank Electric Service Inc family-run?

Yes. Its website says "Get reliable service from a family-run business.", and it is in the family-run ranking.

Source: [company website](https://frankduffelectric.com/).

### How many Google reviews does Duff Frank Electric Service Inc have?

Duff Frank Electric Service Inc has 17 Google reviews, with an average rating of 5.0, read 10 November 2026.

Source: [Google listing](https://maps.google.com/?cid=10129061025879719423&g_mp=Cidnb29nbGUubWFwcy5wbGFjZXMudjEuUGxhY2VzLlNlYXJjaFRleHQQAhgEIAA).

### Which counties does Duff Frank Electric Service Inc serve?

It has Google listings in Montgomery County.

### Is Duff Frank Electric Service Inc open 24 hours?

Its website says it offers 24/7 service; its Google hours do not show it open 24 hours.

Source: [company website](https://frankduffelectric.com/).

### How is the score calculated?

Its score of 82.1 comes from one formula used for every company (v1.5): the Google rating adjusted for review count, the number of reviews, claim accuracy, years in business and transparency, then ownership and bonus points. The method page gives every rule.

Source: [method page](https://bestelectricianspennsylvania.com/methodology/).

Something wrong or out of date? Write to [support@bestelectricianspennsylvania.com](mailto:support@bestelectricianspennsylvania.com) with the address of this page. Corrections are free; see [how corrections work](https://bestelectricianspennsylvania.com/corrections/).

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