Home › Business Services › Engineering firm
The 8 Best Engineering Firms in Philadelphia (2026)
In a city with a steady stream of renovations, builds and institutional projects, finding the right engineering firm matters. This list ranks the top engineering firms in Philadelphia based on Google review data and is updated for 2026. Our methodology uses a Bayesian-style score — the average rating weighted by the number of reviews — so high ratings with substantial review counts rise to the top. We focused on firms listed on Google in engineering and structural categories and prioritized verified public ratings rather than self-reported claims. Use this ranking as a starting point, then contact firms directly to confirm services and availability for your specific project.
This ranking is computed from Google reviews (our method). Listings marked Partner are paid advertising spots: they sit alongside the ranking without changing its order.
Are you a engineering firm in Philadelphia?
People reading this page are looking for a pro right now. Put your business above the ranking, with your contact details and a link to your site.
✓ Live immediately · ✓ One-time payment · ✓ No subscription
10 of 10 spots still available
Structural Engineering, Design and Construction LLC
Structural Engineering, Design and Construction LLC comes out on top with a perfect 5.0 Google rating based on 13 reviews. The high average combined with a non-trivial review count pushes its Bayesian score above the others. Google lists it as a Structural engineer with an office at 230 S Broad St in Center City Philadelphia, which further clarifies the firm’s local presence. These measurable review signals are why it earns our top spot.
The full ranking
Burns Engineering, Inc.
Burns Engineering, Inc. carries a 4.9 Google rating based on 11 reviews and is categorized as an Engineering consultant. Its public listing shows an office at 2001 Market St #600 in Philadelphia.
11 reviews
Leake Engineering LLC
Leake Engineering LLC has a 4.7 average from 39 Google reviews, giving it substantial reviewer volume for a Structural engineer. The company is listed at 2001 Market St #2500 in Philadelphia.
39 reviews
Halo Engineering LLC
Halo Engineering LLC holds a 4.7 rating with 10 Google reviews and appears under the Structural engineer category. The listing includes an address at 582 Paoli Ave in Philadelphia (ZIP 19128).
10 reviews
Keast & Hood Structural Engineers
Keast & Hood Structural Engineers posts a 4.6 Google rating derived from 11 reviews and is categorized as a Structural engineer. Its listed office is 1635 Market St #1705 in Philadelphia.
11 reviews
Carroll Engineering Corporation
Carroll Engineering Corporation has a 4.5 Google rating from 18 reviews and is identified as a Civil engineering company. The public address is 949 Easton Rd in Warrington, PA, outside Philadelphia proper.
18 reviews
Penn Valley Engineering Structural Engineers & Consultants
Penn Valley Engineering Structural Engineers & Consultants has a 4.4 rating drawn from 105 Google reviews, the largest review count on our list. Google classifies it as a Structural engineer, but no full address is shown in the public listing.
105 reviews
Pennoni
Pennoni carries a 4.0 Google rating based on 25 reviews and is listed as an Engineering consultant. The firm’s Google listing shows an office at 1900 Market St Ste 300 in Philadelphia.
25 reviews
Frequently asked questions
How do I choose the right engineering firm for my project?
Start by matching the firm’s listed specialties to your project type (structural, civil, etc.), then look at verified reviews and the number of client experiences. Ask for references, examples of similar projects, and confirm the team members who would work on your job before signing any agreement.
What does hiring an engineering firm typically cost?
Costs vary widely depending on project scope, complexity and required deliverables like permits or detailed calculations. Request a written proposal that breaks down services, assumptions and payment terms so you can compare firms fairly.
What should I check before hiring an engineering firm?
Verify licensing and insurance, check recent client reviews, and confirm the firm’s experience with projects like yours. Also confirm timelines, who will be the main point of contact, and whether subcontractors are anticipated.
How is this ranking built and updated?
This list is derived from Google review data using a Bayesian-style score — the average rating weighted by the number of reviews — so both rating and review volume affect ranking. The page was updated for 2026 and uses publicly available Google listings; always contact firms directly for current services and availability.