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Fleetora · first roles in DEThomson Reuters VS Westlaw_
As of 4 November 2026, Westlaw is named by 340 companies and Thomson Reuters by 147; Thomson Reuters skews to companies under 200 people (38% vs 33%), Westlaw to companies over 1,000 (40% vs 36%).
As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Thomson Reuters's script and mail records show on hundreds of thousands of small sites, Westlaw rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Thomson Reuters: 2–200 employees
- 38%
- Westlaw: 2–200 employees
- 33%
- Thomson Reuters: 1,000+ employees
- 36%
- Westlaw: 1,000+ employees
- 40%
- Postings per company, 90 days
- 3.5 · 4.5
- Website or DNS footprint
- 273 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Thomson Reuters | share | Westlaw | share | Leans |
|---|---|---|---|---|---|
| 2-10 employees | 7 | 5% | 15 | 4% | even |
| 11-50 employees | 21 | 14% | 39 | 11% | Thomson Reuters |
| 51-200 employees | 28 | 19% | 58 | 17% | even |
| 201-500 employees | 21 | 14% | 46 | 14% | even |
| 501-1000 employees | 17 | 12% | 39 | 11% | even |
| 1001-5000 employees | 21 | 14% | 81 | 24% | Westlaw |
| 5001-10000 employees | 9 | 6% | 23 | 7% | even |
| 10,001+ employees | 23 | 16% | 31 | 9% | Thomson Reuters |
| Self-employed | – | – | 8 | 2% | outside top 12 |
| Segment | Thomson Reuters | share | Westlaw | share | Leans |
|---|---|---|---|---|---|
| Business & finance services | 89 | 61% | 205 | 60% | even |
| Technology & software | 20 | 14% | 17 | 5% | Thomson Reuters |
| Manufacturing & industry | 8 | 5% | 7 | 2% | Thomson Reuters |
| Property & construction | 6 | 4% | 5 | 1% | Thomson Reuters |
| Commerce & trade | 4 | 3% | 7 | 2% | even |
| Public, community & associations | 4 | 3% | 56 | 16% | Westlaw |
| Utilities & infrastructure | 4 | 3% | 7 | 2% | even |
| Automotive | 3 | 2% | 1 | 0% | even |
| Consumer services & leisure | 3 | 2% | 15 | 4% | Westlaw |
| Health care | 3 | 2% | 6 | 2% | even |
| Media & content | 2 | 1% | 9 | 3% | even |
| Transport, logistics & rental | 1 | 1% | 4 | 1% | even |
| Segment | Thomson Reuters | share | Westlaw | share | Leans |
|---|---|---|---|---|---|
| United States | 111 | 76% | 296 | 87% | Westlaw |
| United Kingdom | 10 | 7% | 19 | 6% | even |
| Brazil | 7 | 5% | – | – | outside top 12 |
| Germany | 3 | 2% | 2 | 1% | even |
| Australia | 2 | 1% | – | – | outside top 12 |
| Canada | 2 | 1% | 5 | 1% | even |
| Czechia | 1 | 1% | – | – | outside top 12 |
| France | 1 | 1% | 4 | 1% | even |
| India | 1 | 1% | – | – | outside top 12 |
| Italy | 1 | 1% | – | – | outside top 12 |
| New Zealand | 1 | 1% | – | – | outside top 12 |
| Portugal | 1 | 1% | – | – | outside top 12 |
| Belgium | – | – | 1 | 0% | outside top 12 |
| Switzerland | – | – | 1 | 0% | outside top 12 |
| EG | – | – | 1 | 0% | outside top 12 |
| Spain | – | – | 1 | 0% | outside top 12 |
| Lithuania | – | – | 1 | 0% | outside top 12 |
| PE | – | – | 1 | 0% | outside top 12 |
| Segment | Thomson Reuters | share | Westlaw | share | Leans |
|---|---|---|---|---|---|
| Finance & accounting | 241 | 39% | 38 | 2% | Thomson Reuters |
| Legal, compliance & risk | 47 | 8% | 1,273 | 65% | Westlaw |
| IT operations & business systems | 40 | 7% | 11 | 1% | Thomson Reuters |
| Data & AI | 38 | 6% | 7 | 0% | Thomson Reuters |
| Sales | 36 | 6% | 17 | 1% | Thomson Reuters |
| Software engineering | 23 | 4% | 8 | 0% | Thomson Reuters |
| Product, program & project management | 17 | 3% | 4 | 0% | Thomson Reuters |
| General management & consulting | 15 | 2% | – | – | outside top 12 |
| Unclassified | 14 | 2% | 5 | 0% | Thomson Reuters |
| Engineering (non-software) | 12 | 2% | – | – | outside top 12 |
| Marketing & communications | 11 | 2% | 4 | 0% | even |
| Customer service & success | 8 | 1% | – | – | outside top 12 |
| Administration & office | 7 | 1% | 21 | 1% | even |
| arts media and entertainment | 6 | 1% | 44 | 2% | even |
| Business development & strategy | 6 | 1% | 6 | 0% | even |
| Quality, safety & environment | 4 | 1% | 2 | 0% | even |
| Human resources | 3 | 0% | 4 | 0% | even |
| Education & training | 1 | 0% | – | – | outside top 12 |
| real estate and property | 1 | 0% | – | – | outside top 12 |
| research and science | – | – | 5 | 0% | outside top 12 |
| public safety and protective services | – | – | 1 | 0% | outside top 12 |
| Retail & store operations | – | – | 1 | 0% | outside top 12 |
| social care and community | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using Thomson Reuters →
Companies using Westlaw →
legal research ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Westlaw is named by 340 companies in job postings and Thomson Reuters by 147; 7 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/thomson-reuters-vs-westlaw)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
Thomson Reuters vs Westlaw: questions
Which is more used, Thomson Reuters or Westlaw?
By companies naming it in their own job postings, Westlaw (340) over Thomson Reuters (147). By website-and-DNS footprint, Thomson Reuters (273 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Thomson Reuters?
38% of Thomson Reuters companies have 2 to 200 employees, against 33% for Westlaw. 36% of Thomson Reuters companies have over 1,000 employees, against 40% for Westlaw.
Do companies run both?
7 companies name both in their postings, usually Thomson Reuters in marketing and Westlaw in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
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