SECWYN

Professional Services Companies in New Jersey: 80 Verified Firms

Secwyn has verified 80 professional services companies based in New Jersey. The largest groups are Temporary Help Services (28); Engineering Services (22); and Employment Placement Agencies (17). By headcount, 70% have 51–200 employees, 21% have 201–500 employees, and 9% fall in other size bands. Princeton has the most (6), followed by Cherry Hill (4) and Bridgewater (3). Of the 25 whose customers we could confirm, 88% sell to businesses and 4% to consumers.

Company size

  • 11–50 employees2 · 3%
  • 51–200 employees56 · 70%
  • 201–500 employees17 · 21%
  • 501–1,000 employees5 · 6%

Who they sell to, among the 25 companies where we could confirm it: businesses 88%, consumers 4%, government 24%. A company can sell to more than one.

Top cities

  • Princeton6 · 8%
  • Cherry Hill4 · 5%
  • Bridgewater3 · 4%
  • Iselin3 · 4%
  • Jersey City3 · 4%
  • Mount Laurel3 · 4%
  • South Plainfield3 · 4%

Cities with fewer than 3 companies are not listed.

Largest sub-industries

Sub-industryCompanies
Temporary Help Services28
Engineering Services22
Employment Placement Agencies17
Architectural Services4
Landscaping Services4
Executive Search Services1
Hazardous Waste Collection1
Materials Recovery Facilities1

A sample of these companies

A few of the 80 professional services companies in New Jersey. Names, websites and contacts are shown after you sign up.

  1. Company #1 · name shown after sign-up

    Employment Placement Agencies · 51–200 employees

  2. Company #2 · name shown after sign-up

    Architectural Services · 51–200 employees

  3. Company #3 · name shown after sign-up

    Temporary Help Services · 201–500 employees

  4. Company #4 · name shown after sign-up

    Engineering Services · 201–500 employees

  5. Company #5 · name shown after sign-up

    Landscaping Services · 51–200 employees

  6. Company #6 · name shown after sign-up

    Executive Search Services · 51–200 employees

Find the New Jersey professional services companies that fit what you sell

Describe what you sell and Secwyn shows the companies most likely to buy it, with the reasons for each match. Sign up free and your first 3 company reveals are on us: name, website, description with its source, contact channels and the roles to contact.

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How Secwyn verifies these companies

  • Every company description is a sentence visible on the company's own website. Inside the product, each one links to its source page.
  • Each company has a NAICS industry code, the US government standard for classifying businesses.
  • All companies are based in the United States. Location and size come from public sources, including company filings and People Data Labs.

Data updated October 6, 2026.