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About Us

We are Advisors on Real Estate Investments

We are a real estate consultancy focused on advising both buyers and sellers on real estate investment in Spain, mainly in Barcelona and Madrid.

We are on the market for over 30 years, offering advice on operations involved rental properties for real estate investors, institutional investors (both Spanish and foreign), family offices, and private investors.

Javier Nieva, Founding Partner


Real Estate Consultancy Boutique in Spain since 1994

We have been present on the investment market, agency, asset valuations, and market research for the last 23 years.

We started our activity in 1994 in the commercial sector with our company Marthan Webb, later expanding to the residential and hospitality sectors. In 2003 we started asset management, managing the entire value process of over 105 vertical properties and 160 property portfolios.

Since 2014, our activity has been focused on advising about the purchase of real estate investment assets, preferably rental properties, through the company NKA.

We represent buyers or sellers of real estate for different uses in Spain (mainly Madrid and Barcelona) and some European markets:

Office Buildings

Residential Buildings

Commercial Premises

Prime Retail Properties

Shopping Centers

Hospitality Market

Servicies to Sellers

We Find The Best Offer For Your Property

  • We position your property on the national and international market, thanks to our knowledge of the main operators in real estate investment.
  • We offer an estimate of the property’s market value, made with internationally accepted assessment criteria, supported by our knowledge of the market.
  • We will plan a sales strategy and take the steps necessary to sell the property.
  • We ensure that you get the best market price with our sale process.

Services to Buyers

We Select Investments With The Highest Profitability

  • We advise about the most suitable opportunities according to our client’s investment profile.
  • We negotiate the best purchase conditions.
  • We do feasibility studies to evaluate how good the investment is.
  • We work with private investors, family offices, institutional investors, investment funds, and national and international real estate developers.

Find out more.
Contact  us.