Harwil & Co. was founded on a simple premise: the finest properties on the Costa del Sol rarely reach a public portal. They move through relationships, through discretion, and through people who know the street, the staircase, and the seller.
We represent buyers, sellers, and long-horizon investors across Marbella's most sought neighbourhoods — the Golden Mile, Sierra Blanca, La Zagaleta, Nueva Andalucía, and Puerto Banús — with a practice shaped more by private offices than by shop windows.
Every engagement is tailored. Every transaction is confidential. And every client is advised directly by the principal — not a junior broker, not a rotating pool.
That standard is not marketing. It is the only way I know how to do this work, and it is the reason clients come back — and send their family offices, their friends, and their next deals.
Career
Twenty-five years, condensed.
An abbreviated career trajectory — from principal broker in Orange County to private advisory on the
Costa del Sol.
2021 –
Founder . Harwil & Co.
Founded Harwil & Co. Properties in Marbella as a private, principal-led real estate advisory, serving buyers, sellers, and investors across the Costa del Sol with a focus on the Golden Mile, Sierra Blanca, and Nueva Andalucía.
2014 – 2018
Principal Broker · Orange County
Led acquisitions and dispositions for family offices and HNW principals across California. Specialized in trophy residential and small commercial transactions for international clients.
2008 – 2014
Senior advisor · LA & OC
Worked through the post-crisis cycle on repositioning and opportunistic acquisitions — a period that shaped the underwriting discipline the firm applies today. Closed over 40 transactions.
2001 – 2008
Residential broker
Early career in Southern California residential brokerage. First foreign buyer representation, the beginning of what is now a cross-border advisory practice.
Selected transactions
Recent work.
Trophy Acquisition · Buyer AdvisoryQ1 2026
€14.2M
Seven-bedroom villa, La Zagaleta.
Represented a Gulf-based family office on the acquisition of a classical villa in La Zagaleta. Sourced off-market through a direct relationship with the seller. Close-to-close in eleven weeks, including cross-border structuring and remote notary.
Seller RepresentationQ4 2025
€8.4M
Contemporary villa, Ancón Sierra.
Seller mandate on a contemporary six-bedroom villa. Editorial-grade listing presentation, targeted international outreach, and a qualified buyer sourced through our Middle East broker network. Offer secured in 63 days.
Investment SourcingQ3 2025
€22.0M
Boutique hotel repositioning, Estepona.
Identified and underwrote a boutique hotel acquisition for a Scandinavian private investment group. Projected 6.8% stabilised yield on a repositioned operation, with a clear exit strategy at Year 5. Transaction closed off-market.
Private Portfolio · Buyer AdvisoryH1 2025
€18.5M
Three-property portfolio, Golden Mile.
Advised a British HNW family on a three-property acquisition — a principal residence in Altos de Puente Romano, a holiday home in Nueva Andalucía, and a yield-producing apartment in Puerto Banús. All three closed within a single six-month window.
In the press
Selected coverage and quotes.
Financial Times
Manny Harwil, founder of Harwil & Co., notes a structural shift in buyer origin toward the Gulf region over the past three years.
Feb 2026
Robb Report
Quoted on comparative trophy pricing across Cannes, Marbella, and Porto Cervo.
Nov 2025
Mansion Global
Roughly forty percent of transactions over ten million euros in Marbella never reach a portal.
Sep 2025
The Wall Street Journal
The American buyer share has doubled since 2020, according to brokers on the ground.
Jun 2025
§ 03 — In the press
Financial Times
How Gulf money is rewriting the Golden Mile
"Manny Harwil, founder of Harwil & Co., notes a structural shift in buyer origin toward the Gulf region over the past three years."
Robb Report
Mediterranean luxury: Marbella against its peers
"Quoted on comparative trophy pricing across Cannes, Marbella, and Porto Cervo."
Mansion Global
Off-market dynamics in Marbella
"Roughly forty percent of transactions over ten million euros in Marbella never reach a portal."
The Wall Street Journal
Americans are discovering the Costa del Sol
"The American buyer share has doubled since 2020, according to brokers on the ground."