S4 Capital is a London digital advertising and technology group founded in 2018 by Sir Martin Sorrell. Its Monks brand combines content production, data and digital media services built entirely for digital channels. The company has grown rapidly through mergers with technology services and production businesses worldwide.
Mary Basterfield · Executive Officer, Director · decision-maker
Victor Knaap · Executive Officer, Director · decision-maker
Scott Spirit · Executive Officer, Director · decision-maker
Victor Knapp · Executive Officer, Director · decision-maker
Careers mailbox is known
Jul 1, 2022
Raised a round Venture round $17.5M · SEC Form D
2018
Founded
Angoka is a Belfast cybersecurity company founded in 2020 that secures machine to machine communication. Its hardware based identity technology protects connected vehicles, drones and smart city infrastructure from spoofing and manipulation. The company works with transport authorities and mobility manufacturers.
No named decision-maker yet.
Careers mailbox is known
Nov 11, 2022
Raised a round Venture round $3M · Silicon Republic
2020
Founded
Push Security is a London company founded in 2020 that secures the sprawl of software as a service applications employees sign up to. Its browser based agent finds shadow accounts, weak passwords and phishing attempts against identity providers. The company focuses on identity attacks that bypass traditional network and endpoint defences.
Jacques Louw · Executive Officer, Director · decision-maker
Adam Bateman · Executive Officer, Director · decision-maker
Tyrone Erasmus · Executive Officer, Director · decision-maker
Erica Brescia · Director
Careers mailbox is known
Jul 2
Recognition Push Security Wins Pinnacle Award for Best AI-Powered Threat Detection · morningstar.com
Feb 21, 2025
Raised a round Series B $30M · SEC Form D
Dec 3, 2024
Launched Push Security introduces verified stolen credentials detection capability · helpnetsecurity.com
2020
Founded
Ultromics is an Oxford company founded in 2017 that applies machine learning to echocardiography. Its EchoGo software detects heart failure and coronary disease patterns that are easy for clinicians to miss on ultrasound images. The company holds American regulatory clearances and works with hospitals in Britain and the United States.
No named decision-maker yet.
Careers mailbox is known
Jul 31, 2025
Raised a round Series C $55M
Nov 20, 2024
Certified Ultromics obtains Breakthrough Device FDA clearance for its Cardiac Amyloidosis screening device through the Total Product Lifecycle Advisory Program · PRNewswire
Nov 9, 2021
Partnership Caption Health and Ultromics Partner to Put Heart Disease Detection and Management Tools in More Hands · Nasdaq
Mar 22, 2017
Founded per the company register
Skyrora is an Edinburgh company founded in 2017 that develops small satellite launch vehicles. It manufactures engines with three dimensional printing and has tested suborbital rockets from Scottish and Icelandic sites. The company also produces fuel derived from waste plastic for its launchers.
No named decision-maker yet.
Careers mailbox is known
Jun 23, 2017
Founded per the company register
Paragraf is a Cambridge company founded in 2015 that manufactures graphene electronic devices at wafer scale. Its contamination free process produces graphene sensors including Hall effect devices with far greater sensitivity than silicon equivalents. The company supplies scientific, automotive and quantum computing customers.
Simon Thomas · Executive Officer, Director · decision-maker
Careers mailbox is known
Jun 1
Won a grant $609k · CORDIS
May 3, 2023
Acquisition Paragraf Acquires CRISPR-Chip Developer Cardea Bio, Accelerating CRISPR QC's Business Opportunity · businesswire.com
2015
Founded
Virti is a Bristol company founded in 2018 that builds immersive training simulations for healthcare and industry. Its platform records realistic scenarios and measures how trainees respond under pressure, using artificial intelligence to score performance. The company was founded by a surgeon and works with hospitals and large employers.
No named decision-maker yet.
No careers mailbox known
Jun 29, 2021
Raised a round Series A $10M · led by IQ Capital · TechCrunch
2018
Founded
ORCA Computing is a London company founded in 2019 that builds photonic quantum computers using telecoms components. Its systems operate at room temperature and have been delivered to defence and research customers in Britain and abroad. The company focuses on integrating quantum processors with conventional high performance computing.
No named decision-maker yet.
Careers mailbox is known
Jun 28
Launched ORCA Computing Unveils PT-2 to Integrate Quantum Computing with Generative AI and HPC · hpcwire.com
May 6
Partnership SiC Systems and ORCA Computing Announce Strategic Partnership to Accelerate Design of Chemical and Biomanufacturing Facilities · orcacomputing.com
2019
Founded
Genie AI is a London legal technology company founded in 2017 by researchers from University College London. Its assistant drafts and reviews contracts using a large open library of real agreements contributed by law firms. The company targets in-house teams and smaller firms that cannot afford heavy legal drafting support.
No named decision-maker yet.
No careers mailbox known
Oct 23, 2024
Raised a round Venture round $17.8M · Business Insider
Nov 23, 2017
Founded per the company register
Zencargo is a London company founded in 2017 that combines digital freight forwarding with supply chain software. Its platform gives importers visibility of shipments and recommends how to route and fund inventory. The company works with consumer brands and retailers moving goods from Asia into Europe.
No named decision-maker yet.
Careers mailbox is known
Oct 1
Hiring 6 closed in 14 days
Sep 6, 2023
Expanded British digital logistics company Zencargo launches operations in UAE · emirates247.com
May 11, 2021
Raised a round Venture round $38.1M · YahooFinance
2017
Founded
Packfleet is a London delivery company founded in 2021 that runs an all electric parcel fleet in the capital. It gives recipients precise delivery windows and live control over where a parcel is left, backed by its own routing software. The company employs its drivers directly rather than using self employed couriers.
No named decision-maker yet.
No careers mailbox known
Mar 11, 2024
Raised a round Venture round $10M
2021
Founded
Huboo is a Bristol logistics company founded in 2017 that provides fulfilment for online sellers. Its warehouses are split into small hubs each run by a dedicated person, which the company argues improves accuracy over conventional picking. Its software connects to the main marketplaces and store platforms used by British merchants.
No named decision-maker yet.
No careers mailbox known
Nov 30, 2023
Raised a round Venture round $36.6M · TechCrunch
2017
Founded
Cronofy is a Nottingham company founded in 2014 that provides scheduling infrastructure through its calendar interfaces. Its service synchronises with Google, Microsoft and Apple calendars so recruiting and healthcare platforms can book appointments reliably. The company sells to software vendors rather than to end users directly.
No named decision-maker yet.
Careers mailbox is known
May 13, 2025
Raised a round Venture round $19.1M
Mar 2, 2015
Launched on Hacker News Show HN: Auto sync Eventbrite events with your calendar
2014
Founded
2 open
$94k stated pay, 1 roles
INSHUR is a London company founded in 2016 that insures drivers working on ride hailing and delivery platforms. Its policies are sold digitally inside partner apps and priced with data on how vehicles are actually used. The company operates in Britain, the United States and the Netherlands.
David Daiches · Executive Officer, Director · decision-maker
Daniel Bratshpis · Executive Officer, Director · decision-maker
Erel Margalit · Director
Oshri Kaplan · Director
No careers mailbox known
Sep 25
Hiring 1 new role, 1 closed in 14 days
Jul 11, 2025
Raised a round Venture round $35M · AlleyWatch
Sep 29, 2023
Partnership INSHUR Expands Partnership With Uber to Scale On-Demand Insurance · PYMNTS.com
Apr 21, 2023
Acquisition INSHUR Acquires U.S. Transportation Agency ABI; Raises $26 Million · Insurance Journal
2016
Founded
6 open
$52k stated pay, 2 roles
Definely is a London legal technology company founded in 2019 that helps lawyers read complex contracts. Its tools surface defined terms and cross references inside a document without losing the reader's place, and were shaped by a partially sighted founder's own needs. The company sells to law firms and in-house legal teams worldwide.
No named decision-maker yet.
No careers mailbox known
Sep 19
Partnership Definely Partners With OpenAI To Bring Contract Review And Verification Tools Into ChatGPT Enterprise · Pulse 2.0
Jun 9, 2025
Raised a round Series B $30M · Law.com
2019
Founded
Sokin is a London company founded in 2019 that provides global payment accounts for businesses and consumers. Its platform handles multi-currency accounts, foreign exchange and transfers for sports organisations and international companies. The company has grown through partnerships with football clubs and sporting bodies.
No named decision-maker yet.
No careers mailbox known
Jan 27
Took on debt financing $100M
2019
Founded
Sprive is a London company founded in 2018 that helps homeowners pay off their mortgage faster. Its app rounds up spending and earns cashback from retailers, sending the proceeds directly to the mortgage lender as overpayments. The company also compares remortgage deals when a fixed rate ends.
No named decision-maker yet.
Careers mailbox is known
Sep 21
Raised a round Series A $10M · FinTech Global
2018
Founded
Swoop is a London company founded in 2018 that matches small businesses with loans, equity and government grants. Its platform reads a company's accounting and banking data to identify the funding it is most likely to secure. The company works with banks, accountants and lenders across Britain, Ireland and North America.
No named decision-maker yet.
Careers mailbox is known
Jan 28, 2025
Raised a round Venture round $6M · businessposthq
2018
Founded
Kroo is a London digital bank founded in 2016 that received a full banking licence in 2022. Its app focuses on shared spending between friends alongside standard current account and savings features. The bank runs entirely on cloud infrastructure without any branch network.
Tim Brown · Executive Officer · decision-maker
Andrew Michaelides · Executive Officer, Director · decision-maker
Andrea De Gottardo · Executive Officer, Director · decision-maker
Nazim Valimahomed · Executive Officer · decision-maker
No careers mailbox known
Sep 24
Hiring 1 new role in 14 days
Nov 21, 2023
Raised a round Equity Crowdfunding
2016
Founded
14 open
+1 this week
truth B 83 67% stale
Countingup is a London company founded in 2017 that merges a business current account with accounting software. Transactions are categorised as they happen and shared directly with the customer's accountant, removing end of year reconciliation work. The company serves sole traders and micro businesses across Britain.
No named decision-maker yet.
Careers mailbox is known
Aug 5
Launched Countingup launches business bank accounts as it doubles down on all-in-one finance for SMEs · countingup.com
May 7, 2020
Raised a round Venture round $5.1M · TechCrunch
2017
Founded
ANNA Money is a London company founded in 2017 that combines a business account with automated bookkeeping and tax filing. Its assistant chases invoices, categorises spending and prepares value added tax returns for freelancers and small companies. The company targets sole traders who would otherwise juggle a bank, an accountant and a spreadsheet.
No named decision-maker yet.
Careers mailbox is known
Dec 18, 2025
Raised a round Venture round $12.7M · BusinessCloud
Feb 28, 2020
Launched on Hacker News Show HN: Can I Expense It? A web app that visually recognises business expenses
2017
Founded
Crezco is a London company founded in 2020 that lets businesses pay invoices directly from bank to bank without card fees. Its service plugs into accounting software so payment and reconciliation happen in the same workflow. The company focuses on business to business payments where transaction values make card charges expensive.
No named decision-maker yet.
Careers mailbox is known
Nov 23, 2023
Raised a round Venture round $12M
2020
Founded
Volt is a London company founded in 2019 that provides real time account to account payments across multiple markets. Its platform connects merchants to open banking rails in Europe, Brazil and Australia through one integration and adds settlement and reconciliation services. The company positions instant bank payments as an alternative to cards for online checkout.
No named decision-maker yet.
No careers mailbox known
May 20, 2024
Raised a round Seed $3M
2019
Founded
Form3 is a London company founded in 2016 that provides cloud native payment processing to banks and fintechs. Its platform connects clients to national and international payment schemes through a single interface with resilience built into the service. The company processes payments for major British banks and challenger institutions across Europe.
No named decision-maker yet.
No careers mailbox known
Sep 10, 2024
Raised a round Venture round $60M · TechCrunch
2016
Founded
10x Banking is a London company founded in 2016 by a former Barclays executive to rebuild core banking software for the cloud. Its SuperCore platform runs product engines, ledgers and payments as configurable services so banks can launch new offerings quickly. The company works with established banks in Britain, Australia and Asia on core system replacement.
No named decision-maker yet.
No careers mailbox known
Aug 14
Raised a round Venture round $50.8M · Pulse 2.0
Jul 28, 2024
Launched 10x Banking Launches World's First 'Meta Core' to Help Banks Achieve Full Transformation Faster · businesswire.com
2016
Founded
A new general-purpose architecture. We're designing novel general-purpose computer architecture that scales to thousands of cores.
No named decision-maker yet.
No careers mailbox known
Neosapience is a Seoul company founded in 2017 that develops the Typecast synthetic voice and video service. Its models generate expressive speech with controllable emotion from text, and the platform is used by creators and studios for narration and dubbing. The company also builds virtual actors for video content.
No named decision-maker yet.
No careers mailbox known
Dec 11, 2025
Raised a round Venture round $11.5M · Yahoo News UK
2017
Founded
Liner builds an AI search engine and research agents that answer questions with citations to academic papers and vetted websites, aimed at students, researchers and professionals. Its products include Liner Scholar for academic research, Liner Write, Liner Finance for investment research, research agents for literature reviews and hypothesis generation, and an API and Model API for developers. Founded in Seoul in 2015 by Luke Jinu Kim and Brian Chanmin Woo, it reports more than 14 million registered users in 220 countries and raised a $36.1 million Series C led by LB Investment in 2026.
Luke Jinu Kim · Co-founder & CEO · decision-maker
Brian Chanmin Woo · Co-founder · founder
Careers mailbox is known
Aug 25
Raised a round Series C $36.1M · led by LB Investment · TNW Contributed
2015
Founded
Superb AI is a company founded in 2018 that provides a platform for building and managing computer vision training data. Its tools automate labelling, curation and quality control so machine learning teams can iterate on datasets quickly. The company serves manufacturers, mobility firms and research groups in Korea and the United States.
No named decision-maker yet.
No careers mailbox known
Jan 2019
Went through Y Combinator
2018
Founded
Mobiltech is a Seoul company founded in 2017 that builds high definition three dimensional maps and digital twins. Its mobile mapping systems capture road and city environments for autonomous driving, construction and urban planning. The company also sells sensors and processing software for spatial data collection.
No named decision-maker yet.
Careers mailbox is known
2017
Founded
Wrtn Technologies is a Seoul artificial intelligence company founded in 2021 that operates one of the most used consumer assistants in Korea. Its service combines multiple foundation models with characters, search and document tools in a single free interface. The company has grown to millions of users and expanded into Japan.
No named decision-maker yet.
Careers mailbox is known
Sep 26
Hiring 1 new role in 14 days
Apr 15
Launched Wrtn Technologies Unveils its AI Interactive Storytelling Platform 'OOC: The Playable Anime' in North America · 01net.it
2021
Founded
Fount is a Seoul investment technology company founded in 2015 that provides robo-advisory portfolio management. Its algorithms allocate across global assets for retail investors through its own application and partner banks and brokerages. The company also licenses its engine to financial institutions offering managed portfolios.
No named decision-maker yet.
Careers mailbox is known
Mar 15, 2023
Raised a round Series A $12M
2015
Founded
HAEGIN is a Seongnam game studio founded in 2017 by former Com2uS developers. Its Play Together virtual world game found a large young audience across Southeast Asia and the Middle East. The company also develops casual and simulation titles for global mobile markets.
Lee Youngil Saeopjadeungrok · 대표이사 · decision-maker
Careers mailbox is known
2017
Founded
flex is a Seoul software company founded in 2018 that builds human resources management products for Korean companies. Its platform covers attendance, payroll, performance reviews and personnel data in one system aimed at growing technology firms. The company has become one of the most widely used human resources services among Korean startups.
No named decision-maker yet.
Careers mailbox is known
2018
Founded
Silicon Quantum Computing develops atom scale quantum processors built in silicon at the University of New South Wales. Its approach places individual phosphorus atoms with atomic precision to create qubits. The company is backed by Australian government and institutional investors.
No named decision-maker yet.
Careers mailbox is known
2017
Founded
Streamlit is an open-source Python framework for data scientists and AI/ML engineers to deliver interactive data apps – in only a few lines of code.
No named decision-maker yet.
No careers mailbox known
Jun 14, 2022
On the Hacker News front page Bible Semantic Search · 194 points
Oct 5, 2021
Launched Streamlit Releases Version 1.0, the Fastest Way to Build and Share Machine Learning and Data Science Apps, as Surpasses More Than 4.5 Million Downloa… · globenewswire
Jun 16, 2020
Raised a round Venture round $21M · Venturebeat
Glassbox provides digital customer experience analytics for web and mobile apps. Drive revenue, profitability & loyalty with optimized digital CX.
No named decision-maker yet.
No careers mailbox known
Sep 2026
Formerly SessionCam is now part of Glassbox - Glassbox (sessioncam.com)
Feb 20, 2025
Raised a round Venture round $1.2M
Flatt Security is a Tokyo cybersecurity company founded in 2017 that focuses on securing modern web and cloud applications. It provides manual penetration testing by engineers and develops Shisho Cloud, a product that scans code and infrastructure configuration. The company targets fast moving development teams rather than traditional enterprise audit cycles.
No named decision-maker yet.
Careers mailbox is known
May 19, 2025
Launched on Hacker News Show HN: Takumi – An AI Security Engineer that found 10 zero-days (Vim, Next.js)
Dec 9, 2024
On the Hacker News front page Compromising OpenWrt Supply Chain · 584 points
Oct 18, 2021
Raised a round Venture round $1.8M · BRIDGE
2017
Founded
Kotoba Technologies is a Tokyo artificial intelligence company founded in 2023 that develops Japanese speech and language models. Its real time voice models power interactive assistants and translation for enterprise and consumer products. The company works with domestic partners on sovereign model development and computing resources.
No named decision-maker yet.
Careers mailbox is known
Jun 23
Raised a round Seed $10M
2023
Founded
Gaudiy is a Tokyo company founded in 2018 that builds fan communities for entertainment intellectual property using blockchain and artificial intelligence. Its Fanlink platform connects fan activity across services and rewards engagement with digital assets, working with major manga and anime rights holders. The company positions itself between publishers and the communities around their franchises.
No named decision-maker yet.
No careers mailbox known
2018
Founded
double jump.tokyo is a Tokyo blockchain game studio founded in 2018 that developed My Crypto Heroes and other early token based games. It builds blockchain infrastructure for major Japanese publishers wanting to add digital ownership to their franchises. The company also runs node and wallet services for entertainment companies entering web3.
Guo Yihong · Executive Officer · decision-maker
Hironobu Ueno · Director
Hiroyuki Kawamoto · Director
Ryo Manzoku · Director
No careers mailbox known
May 23, 2022
Raised a round Venture round $664k · SEC Form D
2018
Founded
Transcelestial builds laser communication devices that deliver fibre like bandwidth without laying cable. Its terminals link buildings and towers using narrow optical beams over kilometres. The company works with telecom operators deploying networks in dense cities.
No named decision-maker yet.
No careers mailbox known
Jul 6
Partnership Transcelestial and Warpspace partner on interoperability for LEO satellite communications · transcelestial.com
Feb 16, 2023
Raised a round Series A $10M · led by Airbus Ventures · YahooFinance
2016
Founded
Cialfo builds college counselling and university application software used by schools worldwide. Its platform connects students, counsellors and admissions offices in one workflow. The company serves thousands of high schools across many countries.
No named decision-maker yet.
No careers mailbox known
Sep 30
Hiring 1 new role, 2 closed in 14 days
Aug 11
First role in Vietnam Client Partner, Cialfo
Jan 27, 2022
Raised a round Series B $40M · led by Square Peg · TechCrunch
2017
Founded
15 open
+1 this week
closes in 48 d market 27
truth A 85 60% stale
Speedoc is a Singaporean healthcare platform that brings doctors, nurses and ambulances to patients at home. It also runs virtual hospital wards that treat patients outside traditional facilities. The company works with public health institutions in Singapore and Malaysia.
No named decision-maker yet.
Careers mailbox is known
Nov 8, 2022
Raised a round Seed $28M · The Business Times
2017
Founded
Beam Mobility is a Singaporean micromobility operator running shared electric scooters and bikes across Asia Pacific. It builds its own fleet management technology and geofencing controls for city compliance. The company operates in dozens of cities in the region.
No named decision-maker yet.
No careers mailbox known
2018
Founded
bolttech is a Singaporean insurtech operating a global exchange that connects insurers, distributors and customers. Its technology embeds protection products into telecom, retail and e-commerce journeys. The company operates in dozens of markets across Asia, Europe and North America.
No named decision-maker yet.
No careers mailbox known
Sep 25
Hiring 2 new roles in 14 days
Aug 14
New executive bolttech appoints Rohith Murthy as General Manager, Malaysia · bolttech.io
Dec 20, 2024
Raised a round Series C · led by Dragon Fund
2020
Founded
2 open
+1 this week
Volopay is a Singaporean spend management company offering corporate cards, expense controls and accounts payable automation. Its platform integrates with local accounting systems used by Asian businesses. The company serves growing companies across Southeast Asia, India and Australia.
No named decision-maker yet.
No careers mailbox known
May 12, 2022
Partnership Volopay partners with Visa to issue their own cards in APAC region Company Business News · mint
Mar 1, 2022
Raised a round Series A $29M · fpjindia
Jun 2020
Went through Y Combinator
2019
Founded
Aspire provides all in one finance operations software for startups and small businesses in Asia. Its platform combines business accounts, corporate cards, expense management and payables automation. The company serves tens of thousands of companies across the region.
No named decision-maker yet.
No careers mailbox known
Jan 2018
Went through Y Combinator
2018
Founded
HeartLab builds cardiac imaging analysis and reporting software powered by machine learning. Its platform helps cardiologists interpret echocardiograms faster and more consistently. The company has regulatory clearance in the United States and works with cardiology practices there.
No named decision-maker yet.
Careers mailbox is known
Jun 19
Partnership Kiwi health tech startup HeartLab partners with Australia's largest private cardiology network to provide world-leading care · tctmd.com
Sep 16, 2021
Raised a round Seed $2.5M · TechCrunch
2019
Founded
Toku Eyes builds artificial intelligence that predicts cardiovascular and diabetic risk from retinal images. Its technology turns a simple eye scan into a broader health screening tool. The company works with health systems in New Zealand, the United States and India.
No named decision-maker yet.
No careers mailbox known
2019
Founded
