Company lists · Data refreshed September 2026
Top 22 Coding assessment and interview platforms based in San Francisco, United States
RevenueBase identified 47 company matches for coding assessment and interview platforms associated with San Francisco, United States as of September 2026 and tracks 790 professional contacts across them, including 180 with verified work emails and 168 with mobile numbers. Across the United States, San Francisco is the largest hub for this category.
This list covers company matches for coding assessment and interview platforms associated with San Francisco, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 8, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 22 largest coding assessment and interview platforms based in San Francisco, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 207 contacts → | ||||
Exact match “Formation is the world’s only AI-powered dynamic interview prep platform, providing unlimited benchmarking, personalized skill development, and world-class mentorship to…” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 2 | 142 contacts → | ||||
Exact match “CodeSignal is how the world discovers and develops the skills that will shape the future.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 3 | 44 contacts → | ||||
Exact match “Most workforce tools share a common problem: skills data that's derived, not demonstrated.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 4 | 34 contacts → | ||||
Exact match “Quality above anything else?” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 5 | 31 contacts → | ||||
Exact match “interviewing.io lets software engineers practice technical interviewing anonymously and land great jobs in the process.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 6 | 29 contacts → | ||||
Exact match “Fasthr.AI is a talent screening platform powered by GPT-4.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 7 | 24 contacts → | ||||
Exact match “FlairX is building Ziva, an AI interviewer that conducts interviews just like a human.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 8 | 23 contacts → | ||||
Exact match “AI Agents for HR, AI Video Interviewer, AI Phone Screener & AI Profile Screener” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 9 | 21 contacts → | ||||
Exact match “Hiring?” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 10 | 15 contacts → | ||||
Exact match “Unlock data-driven hiring decisions with the skills-based interview system hiring teams love.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 11 | 14 contacts → | ||||
Exact match “GitRoll is a merit-based talent platform for software engineers, aimed at uncovering global 20x hidden-gem builders through science-backed analysis.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 12 | 13 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 13 | 9 contacts → | ||||
Exact match “Hiring decisions are too important to be made from a PDF.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “Loop simulates real-life entry-level work scenarios and predicts on-the-job performance, in 20 minutes.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 15 | 6 contacts → | ||||
Exact match “Byteboard has recreated the technical interview experience to be more effective, efficient, and equitable for all.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 16 | 5 contacts → | ||||
Exact match “EliteBrains is a workforce management platform built for the entire contractor lifecycle, from skill verification and contract management to timesheets and global payments, all…” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 17 | 4 contacts → | ||||
Exact match “Screen your job applicants with Screenify, streamlining your screening and qualifying process.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match “Veton runs the screening interview so it actually happens.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “Leap Room is an AI-enabled candidate assessment platform.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 20 | 2 contacts → | ||||
Exact match “Qualified is the most effective way to assess coding skills.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “Skills Management Re-imagined.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 22 | 1 contacts → | ||||
Exact match “Save hundreds of hours scaling your engineering teams with automated technical interviews.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “coding assessment and interview platforms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 22 of 47 coding assessment and interview platforms based in San Francisco, United States
See the full list, filter by size, metro and specialty, and access 180 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Coding assessment and interview platforms based in San Francisco, United States at a glance
As of Sep 8, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 12.0dCompany record updated
Median 58.0dHow this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with San Francisco, United States whose business descriptions match “coding assessment and interview platforms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 180 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 8, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “coding assessment and interview platforms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many coding assessment and interview platforms are there based in San Francisco, United States?
RevenueBase identified 47 company matches for coding assessment and interview platforms associated with San Francisco, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Formation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most coding assessment and interview platforms?
San Francisco leads the United States with 44 company records, followed by New York (22) and Seattle (13).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 180 professional contacts with verified work emails tracked across these 47 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 8, 2026.
Ready to reach these companies? Verified emails and direct dials for all 47 coding assessment and interview platforms based in San Francisco, United States. Start with a free account, no credit card.
Download this list →Related lists
Coding assessment and interview platforms by geography
- Coding assessment and interview platforms based in the United States
- Coding assessment and interview platforms based in the United Kingdom
- Coding assessment and interview platforms based in Canada
- Coding assessment and interview platforms based in Bangalore, India
- Coding assessment and interview platforms based in London, United Kingdom
- Coding assessment and interview platforms based in India
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Coding assessment and interview platforms based in the United States
- Coding assessment and interview platforms based in the United Kingdom
- Coding assessment and interview platforms based in Canada
- Coding assessment and interview platforms based in Bangalore, India
- Coding assessment and interview platforms based in London, United Kingdom
- Coding assessment and interview platforms based in India
Company intelligence · public preview
Top 22 coding assessment and interview platforms based in San Francisco, United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 47 matching company records for coding assessment and interview platforms based in San Francisco, United States, with 790 tracked contacts and 180 verified work emails.
This public preview shows 22 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 8, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 22 coding assessment and interview platforms based in San Francisco, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Formationformation.devHQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 207 contacts → |
“Formation is the world’s only AI-powered dynamic interview prep platform, providing unlimited benchmarking, personalized skill development, and world-class mentorship to…” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Codesignalcodesignal.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 142 contacts → |
“CodeSignal is how the world discovers and develops the skills that will shape the future.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Skillfullyskillful.lyHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 44 contacts → |
“Most workforce tools share a common problem: skills data that's derived, not demonstrated.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Interviewvectorinterviewvector.comHQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 34 contacts → |
“Quality above anything else?” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  interviewing.iointerviewing.ioHQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 31 contacts → |
“interviewing.io lets software engineers practice technical interviewing anonymously and land great jobs in the process.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Fasthr AIfasthr.aiHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 29 contacts → |
“Fasthr.AI is a talent screening platform powered by GPT-4.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Flairxflairx.aiHQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 24 contacts → |
“FlairX is building Ziva, an AI interviewer that conducts interviews just like a human.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Hyringhyring.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 23 contacts → |
“AI Agents for HR, AI Video Interviewer, AI Phone Screener & AI Profile Screener” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  REVALreval.siteHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 21 contacts → |
“Hiring?” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Hireguidehireguide.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 15 contacts → |
“Unlock data-driven hiring decisions with the skills-based interview system hiring teams love.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Gitrollgitroll.ioHQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 14 contacts → |
“GitRoll is a merit-based talent platform for software engineers, aimed at uncovering global 20x hidden-gem builders through science-backed analysis.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Edlyftedlyft.comHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 13 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 |  Kakoo Softwarekakoo-software.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 9 contacts → |
“Hiring decisions are too important to be made from a PDF.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  LOOPloopsupport.comHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 8 contacts → |
“Loop simulates real-life entry-level work scenarios and predicts on-the-job performance, in 20 minutes.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Byteboardbyteboard.devHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 6 contacts → |
“Byteboard has recreated the technical interview experience to be more effective, efficient, and equitable for all.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Elitebrainselitebrains.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 5 contacts → |
“EliteBrains is a workforce management platform built for the entire contractor lifecycle, from skill verification and contract management to timesheets and global payments, all…” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Screenifyscreenify.aiHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 4 contacts → |
“Screen your job applicants with Screenify, streamlining your screening and qualifying process.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  VETONveton.aiHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 3 contacts → |
“Veton runs the screening interview so it actually happens.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Leap Roomleaproom.ioHQ: San Francisco, United StatesReported employees: 1-10 | San Francisco, United States | 1-10 | Exact match | 3 contacts → |
“Leap Room is an AI-enabled candidate assessment platform.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  qualified.ioqualified.ioHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 2 contacts → |
“Qualified is the most effective way to assess coding skills.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Skillsnowskillsnow.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 1 contacts → |
“Skills Management Re-imagined.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Aprioraapriora.ai HQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 1 contacts → |
“Save hundreds of hours scaling your engineering teams with automated technical interviews.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 47 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Coding assessment and interview platforms: dataset insights
September 8, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
47 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 12.0dCompany record updated
Median 58.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 8, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for coding assessment and interview platforms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many coding assessment and interview platforms did RevenueBase find based in San Francisco, United States?
The saved snapshot records 47 matching company records, 790 tracked contacts and 180 verified emails. The public preview displays 22 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 8, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Coding assessment and interview platforms by geography
- Coding assessment and interview platforms based in the United States
- Coding assessment and interview platforms based in the United Kingdom
- Coding assessment and interview platforms based in Canada
- Coding assessment and interview platforms based in Bangalore, India
- Coding assessment and interview platforms based in London, United Kingdom
- Coding assessment and interview platforms based in India
Cite this list
RevenueBase Data Team. Top 22 coding assessment and interview platforms based in San Francisco, United States. Snapshot: September 8, 2026. https://revenuebase.ai/companies/coding-assessment-and-interview-platforms/united-states/san-francisco.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Coding assessment and interview platforms based in the United States
- Coding assessment and interview platforms based in the United Kingdom
- Coding assessment and interview platforms based in Canada
- Coding assessment and interview platforms based in Bangalore, India
- Coding assessment and interview platforms based in London, United Kingdom
- Coding assessment and interview platforms based in India
Company intelligence · public preview
Top 22 coding assessment and interview platforms based in San Francisco, United States
RevenueBase records 47 matching company records for coding assessment and interview platforms based in San Francisco, United States, with 790 tracked contacts and 180 verified work emails.
This public preview shows 22 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 8, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 22 coding assessment and interview platforms based in San Francisco, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Formationformation.dev HQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 207 contacts → |
“Formation is the world’s only AI-powered dynamic interview prep platform, providing unlimited benchmarking, personalized skill development, and world-class mentorship to…” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Codesignalcodesignal.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 142 contacts → |
“CodeSignal is how the world discovers and develops the skills that will shape the future.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Skillfullyskillful.ly HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 44 contacts → |
“Most workforce tools share a common problem: skills data that's derived, not demonstrated.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Interviewvectorinterviewvector.com HQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 34 contacts → |
“Quality above anything else?” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | interviewing.iointerviewing.io HQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 31 contacts → |
“interviewing.io lets software engineers practice technical interviewing anonymously and land great jobs in the process.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Fasthr AIfasthr.ai HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 29 contacts → |
“Fasthr.AI is a talent screening platform powered by GPT-4.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Flairxflairx.ai HQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 24 contacts → |
“FlairX is building Ziva, an AI interviewer that conducts interviews just like a human.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Hyringhyring.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 23 contacts → |
“AI Agents for HR, AI Video Interviewer, AI Phone Screener & AI Profile Screener” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | REVALreval.site HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 21 contacts → |
“Hiring?” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Hireguidehireguide.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 15 contacts → |
“Unlock data-driven hiring decisions with the skills-based interview system hiring teams love.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Gitrollgitroll.io HQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 14 contacts → |
“GitRoll is a merit-based talent platform for software engineers, aimed at uncovering global 20x hidden-gem builders through science-backed analysis.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Edlyftedlyft.com HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 13 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Kakoo Softwarekakoo-software.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 9 contacts → |
“Hiring decisions are too important to be made from a PDF.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | LOOPloopsupport.com HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 8 contacts → |
“Loop simulates real-life entry-level work scenarios and predicts on-the-job performance, in 20 minutes.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Byteboardbyteboard.dev HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 6 contacts → |
“Byteboard has recreated the technical interview experience to be more effective, efficient, and equitable for all.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Elitebrainselitebrains.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 5 contacts → |
“EliteBrains is a workforce management platform built for the entire contractor lifecycle, from skill verification and contract management to timesheets and global payments, all…” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Screenifyscreenify.ai HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 4 contacts → |
“Screen your job applicants with Screenify, streamlining your screening and qualifying process.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | VETONveton.ai HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 3 contacts → |
“Veton runs the screening interview so it actually happens.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Leap Roomleaproom.io HQ: San Francisco, United StatesReported employees: 1-10 | San Francisco, United States | 1-10 | Exact match | 3 contacts → |
“Leap Room is an AI-enabled candidate assessment platform.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | qualified.ioqualified.io HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 2 contacts → |
“Qualified is the most effective way to assess coding skills.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Skillsnowskillsnow.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 1 contacts → |
“Skills Management Re-imagined.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Aprioraapriora.ai HQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 1 contacts → |
“Save hundreds of hours scaling your engineering teams with automated technical interviews.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 47 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Coding assessment and interview platforms: dataset insights
September 8, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
47 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 12.0dCompany record updated
Median 58.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 8, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for coding assessment and interview platforms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many coding assessment and interview platforms did RevenueBase find based in San Francisco, United States?
The saved snapshot records 47 matching company records, 790 tracked contacts and 180 verified emails. The public preview displays 22 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 8, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Coding assessment and interview platforms by geography
- Coding assessment and interview platforms based in the United States
- Coding assessment and interview platforms based in the United Kingdom
- Coding assessment and interview platforms based in Canada
- Coding assessment and interview platforms based in Bangalore, India
- Coding assessment and interview platforms based in London, United Kingdom
- Coding assessment and interview platforms based in India
Cite this list
RevenueBase Data Team. Top 22 coding assessment and interview platforms based in San Francisco, United States. Snapshot: September 8, 2026. https://revenuebase.ai/companies/coding-assessment-and-interview-platforms/united-states/san-francisco.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Coding assessment and interview platforms based in the United States
- Coding assessment and interview platforms based in the United Kingdom
- Coding assessment and interview platforms based in Canada
- Coding assessment and interview platforms based in Bangalore, India
- Coding assessment and interview platforms based in London, United Kingdom
- Coding assessment and interview platforms based in India