Clayton, Missouri is home to 9 PI firm headquarters and an additional 1 firms with local offices, totaling 10 firms with a presence in the city. With an average D grade (46.4 SI), Clayton firms show moderate technology investment. The most adopted technologies are Google Analytics (70%) and WordPress (70%). The dominant market segment is Conversion-Focused Firms, accounting for 60% of local firms.
| # | Firm | Score | Grade | Attorneys | Tech | |
|---|---|---|---|---|---|---|
| 1 | Holland Injury Law stlinjury.lawyer | A- | 7 | 16 | HQ | |
| 2 | Labovitz Law Firm themissouriinjurylawyers.com | B+ | 3 | 16 | HQ | |
| 3 | Carl J. Civella civellalaw.com | B- | 1 | 12 | HQ | |
| 4 | Spooner Law, LLC spoonerlawllc.com | C+ | 3 | 13 | HQ | |
| 5 | Stange Law Firm stangelawfirm.com | C | — | 15 | HQ | |
| 6 | Allen Injury Law, LLC alleninjury.com | D | 1 | 11 | ||
| 7 | Kullmann, Klein & Dioneda, P.C kkdpc.com | F | — | 13 | HQ | |
| 8 | Armstrong Teasdale LLP atllp.com | F | — | 5 | HQ | |
| 9 | The Law Office Of Steve Slough sloughlawoffice.com | F | — | 8 | HQ | |
| 10 | Ray B. Marglous, P.C. & Associates raybmarglouslaw.com | F | 2 | 7 | HQ |