Top 5 Real Estate Angel Investors in Ireland in January 2026

Last updated: Jan 2026 A list of 5 angel investors that invest in Real estate startups based in Ireland. We rank investors based on the number of investments they made in Real estate companies from Ireland. We update this investor list every month.

Top 5 Real Estate Angel Investors in Ireland in January 2026

Investor	Real Estate Ireland investments
Jim Mountjoy	1
Rob Pierre	1
Mehmet Onarcan	1
Killian O’Higgins	1
Brian Caulfield	1

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Dr. Jim Mountjoy is the Board Director of Corvil.He is also a Deputy Chairman of Science Foundation Ireland.Dr. Mountjoy founded Euristix, an innovative supplier of advanced network management software solutions for the telecommunications industry. Euristix became a market leader and was sold to Fore Systems for US $80 million in February1999, a value that increased to US$175 million in two months when Fore Systems was acquired by Marconi.Dr. Mountjoy is currently involved as an investor and in a non-executive capacity with a number of technology companies and is a Board member of the,Abbey Theatre,Barnardos, the childrens’ charity.

Investment focus

Software, Analytics, E-Commerce
Series A
Ireland

Portfolio highlights

Clavis Insight — Grow faster, smarter, and more efficiently with Flywheel's suite of digital commerce solutions, purpose-built for the world's leading brands.

Rob Pierre is the co-founder and CEO of Jellyfish, a digital partner to some of the world’s leading brands. Today, Jellyfish is at the forefront of the global digital economy, working with brands including Uber, eBay, Spotify, Ford, Aviva Investors, and ASOS.

Investment focus

B2B, Software, Marketing
Series A, Funding Round
Ireland, United Kingdom

Portfolio highlights

Offr — Offr is the new way to buy and sell property, quickly and transparently.
Disciple — Disciple | Create your own community platform. No coding required

Mehmet Onarcan is the Founder of Mentors Network Turkey. He previously worked at Project House as an Advisory Board Member - Digital Transformation. Mehmet Onarcan attended Yildiz Technical University.

Investment focus

Apps, Internet, Social Network
Seed, Angel, Pre-Seed
Turkey, Ireland, United States

Portfolio highlights

Missafir — Missafir is a PropTech start-up in Istanbul. We are the first short/mid term home rental management company in Turkey!We deliver for our customers through a combination of thoughtful interior design and attentive hotel-style services that deliver superior earnings from short/mid term rental management through our strength in data-drivendynamic pricing solutions.
Doktorderki — Doktorderki is an online system that allows people to directly talk to doctors about their questions and problems regarding health. It aims to establish a scalable B2C growth model along with the investment it is taking and to do B2B work with pharmacists and mainly dermocosmetics companies.The company was founded in 2015 and is headquartered inIstanbul, Turkey.
Local Guddy, Inc. — A marketplace connecting travelers and locals through unique guddy tours from locals all around the world. Taste local foods, drinks; see must see places, night life, views etc.

Killian O'Higgins is a Chartered Surveyor with 37 years' experience in the Ireland, UK, Continental Europe, Middle East, USA and Asia Pacific. In Ireland, Killian started his career at Lisney before moving to Sherry FitzGerald, joining in 1983, shortly after the Sherry & Sons/FitzGerald & Partners merger. He spent 18 yearsgrowing and developing the business with a particular focus on commercial property, becoming Managing Director of DTZ Sherry FitzGerald in 1998.

Investment focus

FinTech, Real Estate
Seed
Ireland

Portfolio highlights

Geowox — Geowox automates home valuations for the digital mortgage journey. We build online workflow tools for lender websites, automate valuations and offer accredited surveyor sign-off.

Brian Caulfield is an entrepreneur, venture capitalist and angel investor. He is a General Partner at DFJ Esprit (http://www.dfjesprit.com/).Brian currently sits on the boards of Datahug, Movidius, MTT, Clavis Technology and the Irish Times, Ireland's leading daily newspaper. He is also a personal investor in a number ofearly stage technology companies including Cicero Networks, GridStore and Teamer.From 2002 to 2007 Brian was a partner at Trinity Venture Capital. At TVC Brian sat on the boards of or led investments in AePONA (sold to Intel - Nasdaq: INTC), ChangingWorlds (Amdocs - NYSE: DOX), CR2, SteelTrace (Compuware - NASDAQ: CPWR) and APT (CSR LSE:CSR.L). Previously, in 1992 Brian co-founded Exceptis Technologies. Exceptis provided dispute management software for the electronic/card payments sector and was sold to Trintech Group (NASDAQ: TTPA) in November 2000. In 2001 Brian co-founded Similarity Systems, a business focused data quality management software company that was acquired by Informatica (NASDAQ: INFA) in January 2006. Brian was also a founder director and shareholder of Prediction Dynamics, which failed in 2004.Brian is a Computer Engineering graduate of Trinity College Dublin. Brian was the 2007 recipient of the Irish Software Association's "Technology Person of the Year" award. In 2010 he also received the Halo Business Angel Network's Business Angel of the Year award.