The London company lets students try finance before applying for it. Banks get something useful in return: a record of how a would-be hire actually performs.
Codility is a B2B SaaS platform for technical hiring that lets enterprises assess software engineers' real-world coding skills remotely and at scale. Founded in 2009 and bootstrapped for a decade before raising a $22M Series A in 2020, it offers automated coding assessments, live technical interviews and skills-intelligence tools used by teams at companies including GitHub, Tesla, SAP and Barclays. It is also known publicly for its free algorithm 'Lessons' that developers use to practice for interviews.
FloCareer is an AI-powered and expert-led interviewing platform that lets companies outsource their hiring interviews at scale. Through its Interview-as-a-Service model it deploys a network of 8,000+ vetted industry interviewers (FloExperts), while its AI interviewer NIVO conducts automated screening and coding interviews around the clock. The company helps 700+ organizations run structured, proctored, unbiased interviews with fast turnaround, reducing recruiter load and time-to-hire.
CodeSignal is a San Francisco-based skills platform that uses AI-driven simulations to assess technical and soft-skills talent and to train workers through Cosmo, its conversational AI tutor. Founded in 2015 as CodeFights and rebranded in 2018, it now powers technical hiring and upskilling at companies like Meta, Netflix, Zoom, Robinhood and Capital One.

Workera is an AI-native skills intelligence platform that helps enterprises verify, benchmark, and develop AI skills across their workforce. Founded in 2020 by Kian Katanforoosh and Andrew Ng, the company uses science-backed adaptive assessments and an AI mentor (Sage) to close skills gaps at scale. With over 100 million skills verified across Fortune 500 clients including Accenture, Siemens Energy, and Samsung, Workera has grown 1,021% over three years and is backed by $47.3M in funding from investors including NEA, Jump Capital, Owl Ventures, and Accenture itself.