The highest Proven Scores in Accounting & audit firms are Cooper Parry (47/100, Emerging), Connor Group (43/100, Emerging) and Ernst & Young Israel (41/100, Emerging). They are ranked on the Proven Trust Index using Proven marketplaces, Member redemption clicks, Client quality, Operating tenure, Market standing, Connected relationships and Connected data. Inputs without data are left out and the score is scaled to 100. Vendors cannot pay to change a score.
| Rank | Name | Proven Score | Band | Best for |
|---|---|---|---|---|
| 1 | Cooper Parry | 47 | Emerging | Stage: Merger / Acquisition · Team size: 1,900 employees · Region: Derby, United Kingdom · Use case: Accounting & audit firms |
| 2 | Connor Group | 43 | Emerging | Team size: 750 employees · Region: San Francisco, United States · Use case: Accounting & audit firms |
| 3 | Ernst & Young Israel | 41 | Emerging | Team size: 395,000 employees · Region: United Kingdom · Use case: Accounting & audit firms |
| 4 | Deloitte | 39 | Emerging | Stage: Other · Team size: 476,000 employees · Region: Lenexa, United States · Use case: Accounting & audit firms |
| 5 | Bentleys | 32 | Emerging | Team size: 700 employees · Region: Sydney, Australia · Use case: Accounting & audit firms |
| 6 | CBIZ | 32 | Emerging | Team size: 9,500 employees · Region: Independence, United States · Use case: Accounting & audit firms |
| 7 | IQEQ | 31 | Emerging | Team size: 6,300 employees · Region: Luxembourg, Luxembourg · Use case: Accounting & audit firms |
| 8 | Crowe | 30 | Emerging | Stage: Private Equity · Team size: 7,300 employees · Region: Chicago, United States · Use case: Accounting & audit firms |
| 9 | Andersen | 27 | Emerging | Team size: 2,700 employees · Region: San Francisco, United States · Use case: Accounting & audit firms |
| 10 | Aprio | 26 | Emerging | Stage: Other · Team size: 2,800 employees · Region: Atlanta, United States · Use case: Accounting & audit firms |
| 11 | Baker Tilly US | 21 | Emerging | Stage: Debt Financing · Team size: 34,000 employees · Region: Chicago, United States · Use case: Accounting & audit firms |
| 12 | RSM Ireland | 21 | Emerging | Team size: 56,000 employees · Region: United Kingdom · Use case: Accounting & audit firms |
| 13 | Brennan & Co | 16 | Emerging | Team size: 140 employees · Region: Blackrock, Ireland · Use case: Accounting & audit firms |
| 14 | Forvis Mazars CPA Limited | 16 | Emerging | Team size: 40,000 employees · Region: Levallois-Perret, France · Use case: Accounting & audit firms |
| 15 | Frank, Rimerman & Co | 16 | Emerging | Team size: 780 employees · Region: Palo Alto, United States · Use case: Accounting & audit firms |
| 16 | S&W Group | 6 | Emerging. Provisional score | Use case: Accounting & audit firms |
| 17 | KPMG US | 5 | Emerging. Provisional score | Team size: 36,000 employees · Region: New York, United States · Use case: Accounting & audit firms |
| 18 | Accountancy Cloud | 5 | Emerging. Provisional score | Use case: Accounting & audit firms |
Vendors in Accounting & audit firms are ordered by Proven Score. Data updated 2026-10-27. Inputs without data are left out and the score is scaled to 100. A score without client quality is marked Provisional score.
| Input | How it is measured | Max |
|---|---|---|
| Proven marketplaces | Investor, bank and government marketplaces on Proven that list the vendor. Log scale, full marks at 150. | 15 |
| Profile views | Member views of the vendor profile across Proven marketplaces. Log scale, full marks at 10,000. Added once the data feed is live. | 15 |
| Member redemption clicks | Clicks by verified members on the vendor's offers. Log scale, full marks at 5,000. | 15 |
| Client quality | Clients the vendor names on its own website, case studies or press releases, weighted by caliber. Full marks at 4. | 20 |
| Operating tenure | Years since founding, from a public record. Full marks at 15 years. | 10 |
| Market standing | Publicly traded or owned by a public company 10. Private company valued $1B+ or established partnership 6. | 10 |
| Connected relationships | Client relationships confirmed by CRM sync or Crossbeam. Log scale, full marks at 500. | 10 |
| Connected data | Crossbeam connected 3, CRM syncing 2. | 5 |
Vendors cannot pay to change a score. Scores can't be bought. About the data.
Source: Proven platform data, public records and vendor websites. Vendors cannot pay to change a score. Scores can't be bought. Data updated 2026-10-27. About the data · Proven