Juanjo Mostazo
Angel Investor @ K Fund
Málaga, Spain
Juanjo Mostazo is a seed investor at K Fund in Málaga focused on Artificial Intelligence and SaaS. Juanjo Mostazo
- Total investments:
- 20
- Last investment:
- Lead investor:
- 5%
Last updated:
For AI agents: llms.txt
Industries Juanjo Mostazo invests in
Stages Juanjo Mostazo invests in
Countries Juanjo Mostazo invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $162k–$18M
- Pre-Seed
- $154k–$2.3M
Investment Focus
Industry
- Artificial Intelligence 7 (35%)
- SaaS 4 (20%)
- B2B 2 (10%)
- Marketing 2 (10%)
- Advertising 2 (10%)
Stage
- Seed 9 (45%)
- Pre-Seed 8 (40%)
- Angel 2 (10%)
- Funding Round 1 (5%)
Country
- Spain 14 (70%)
- Colombia 1 (5%)
- United States 1 (5%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Mafer AI is an AI company that organizes and uses technical knowledge from lab data, documents, and expert insights to improve product development and decision-making. It develops AI-native operating system designed for research and development teams in formulation-driven industries such as chemicals, food, cosmetics, fragrances, and personal care. | $2.3M / Pre-Seed / May 29, 2026 | ||
| Hirevoice provides an AI-driven voice interview platform for automated candidate screening and skills-based assessment. The platform conducts conversational voice interviews that adapt question complexity in real time to evaluate technical, strategic, and role-specific skills. It analyzes responses for reasoning, expertise, and execution, producingstructured scores, summaries, and reports for recruiting teams. Hirevoice integrates via API with applicant tracking systems, CRMs, and HRIS tools and offers a unified dashboard for candidate data, scoring, and insights. It supports multilingual interviewing in many languages and includes mechanisms to reduce cheating and support compliant data governance. The service is designed for companies that run high-volume or skills-focused recruitment processes and want to automate early-stage interviews while retaining human oversight of hiring decisions. | $1.1M / Seed / Apr 13, 2026 | ||
| bcount provides a digital platform that automates accounting, tax and payroll tasks for freelancers, microenterprises, SMEs and startups. The service includes company formation and freelancer registration, bookkeeping, quarterly and annual tax filings, electronic invoicing and TicketBAI compliance. bcount connects to client bank accounts forreal-time cash management and reconciliation and supports invoice creation, recurring billing and treasury views. Clients access human tax and labor advisors through chat, WhatsApp and phone for ongoing guidance on subsidies, debt management and regulatory changes in Spain. | $1.2M / Seed / Mar 23, 2026 | ||
| Quiver is an AI research and product company specializing in advanced models and tools for vector generation and editing. These capabilities enable high-quality, scalable creation and manipulation of vector graphics. | $8.3M / Seed / Feb 25, 2026 | ||
| Take a leap in productivity, reduce costs and improve your customer experience with the power of generative artificial intelligence. | $2.8M / Seed / Sep 01, 2025 | ||
| THEKER Robotics is a startup developing intelligent general-purpose robots for sectors such as waste management and logistics. | $18M / Seed / Jul 16, 2025 | ||
| Kuikads enables businesses to create and distribute personalized marketing videos via API using user data across messaging. | $1.2M / Pre-Seed / Jul 03, 2025 | ||
| Tu Trámite Fácil is a startup designed to simplify access to public grants, subsidies, and financial aid for individuals and businesses | $161.7K / Seed / Feb 20, 2025 | ||
| WATIF is the media that investigates how current trends can impact tomorrow's world. It focused on culture, work, science, and technology. | $206.6K / Pre-Seed / Feb 03, 2025 | ||
| Take a leap in productivity, reduce costs and improve your customer experience with the power of generative artificial intelligence. | $573.9K / Pre-Seed / Sep 09, 2024 | ||
| See all 20 investments → | |||
Co-Investors
About K Fund
K Fund is a multi-stage venture capital firm that provides early-stage venture investments to startups across Spain, Portugal, and Latin America. It promotes the evolution of the Spanish ecosystem by investing in digital-first companies.K fund was founded in 2016 by Inaki Arolla, Carina Szpilka, and Ian Noel and is based in Madrid, with officesin Barcelona and Lisbon.
K Fund Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Carina Szpilka
Co-founder & General Partner
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Cristina García-Margallo
Legal
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Gustavo S Carvalhal Ribas
Venture Partner and Head of LatAm
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Ignacio Larrú
General Partner
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Iñaki Arrola
Cofounder and Managing Partner
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FAQ
What does Juanjo Mostazo invest in?
Juanjo Mostazo invests primarily in Artificial Intelligence, SaaS and B2B startups, most often at Seed and Pre-Seed stage. Most of the 20 investments tracked by Shizune back companies in Spain. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Juanjo Mostazo's check size?
Juanjo Mostazo typically joins rounds of $162k–$18M at Seed and $154k–$2.3M at Pre-Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Juanjo Mostazo participates in.
How do I contact Juanjo Mostazo?
Public channels for Juanjo Mostazo include LinkedIn. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Juanjo Mostazo last invest?
The most recent investment recorded for Juanjo Mostazo closed in May 2026. Shizune tracks 20 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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