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Who we are

Since 2013 we have become a symbol of innovation and professionalism in Bulgarian real estate.

The Building Box team at the “Building Box Superheroes” event

We started with two offices, in Sofia and Blagoevgrad. Today we have 5 offices in the country's largest cities, a team of 137 people and deals worth over €500M.

The main reason for that success is our training system. Every consultant goes through Building Box Academy before taking on a first client, which is why there's no better place to start a career as a broker.

About the academy

How we grew

Floor by floor since 2013, from the foundations to the building that's still ahead.

  1. Coming next

    Our first building

    Constructing our very own first building.

  2. 2024

    Two new offices

    We kept growing with a new office in Sofia and another in Plovdiv.

  3. 2023

    Building Box Varna

    We opened an office in our seaside capital. We're now in Bulgaria's largest cities.

  4. 2022

    Building Box Plovdiv

    We opened an office in Plovdiv, quickly made our mission and vision known, and changed the pace in the country's second-largest city.

  5. 2021

    Building Box

    We rebranded and left ERA as its best office in Sofia.

    Building Box
  6. 2015–2021

    ERA

    We became a franchise partner of the international ERA network.

    ERA
  7. 2013–2015

    Top Imoti

    We started our story with two offices, in Sofia and Blagoevgrad.

    Top Imoti
Dimitar Kalaydzhiev

Founder and managing director

Dimitar Kalaydzhiev

Bulgaria's best-known real estate broker, with over 400,000 followers on social media. He has spent more than 10 years in property and runs five offices in Sofia, Plovdiv and Varna.

He created the country's first real estate seminar of its kind, “Get Rich with Real Estate”. He has given hundreds of consultations, run many webinars and made dozens of appearances on TV, radio and social media.

He was the lead consultant on the TV series about brokers “Sofia at Home”, where he played himself in one of the episodes.

His books

  1. Make Deals Like Crazy

    The first book of its kind for brokers, reprinted because of huge demand.

  2. Get Rich at 8,333 Leva an Hour

    On property investing. One of the most-read titles at Ciela, with nearly 20,000 copies sold.

  3. How to Build a Million-Dollar Team

    A complete strategy for attracting, keeping and motivating people. Published in 2023.

  4. How to Make Green from Green

    Why new-build property is your ticket to wealth.

What people say about our leader

Few people are truly competent in what they do. Dimitar is definitely one of them. At our first meeting in his company's office, I was very impressed by his style and instinct for business!

Bilyana Yotovska

I noticed Dimitar on TikTok, where he struck me as an energetic and bold new-generation broker. After reading his book, I realised he also has deep knowledge of every aspect of our business. I respect him as a colleague and keep following his progress with interest.

Georgi Pavlov

I admire people like Mitaka who work hard and keep growing, instead of throwing around complicated sentences about why something can't be done.

Mihail Aleksandrov

I've known Dimitar for more than 10 years. We were born in the same town, Blagoevgrad. I know his character, and whatever he takes on, he sees it through. He's persistent, a natural leader and has a strong business instinct. All of that together makes him a true professional!

Aleksandra Bogdanska

Dimitar Kalaydzhiev comes across as ambitious, consistent and someone who knows what he's doing. I was convinced of it when I invited him over and he beat me 8:2 at FIFA. If I ever invite him again, it'll be to help pick the grapes at the village. This guy has an inner fire bordering on arrogance that drives him to great results and never settles for anything less than the best.

Georgi Blazhev

Mitko will do whatever it takes to get the job done. Determined, focused and reliable. I like him because he's direct and uncompromising. He has a sharp mind and good taste! Highly recommended!

Aleksandar Kadiev

I believe Mitko can be genuinely useful and offer an interesting perspective on the property market. I wish him success and fair winds in all his endeavours!

Yuli Tonkin

Brokers of the month

August

  • Anna Dimitrova

    Anna Dimitrova

    Sofia

    No. 1
  • Atanaska Ivanova

    Atanaska Ivanova

    Plovdiv

  • Ivan Dimitrov Ivanov

    Ivan Dimitrov Ivanov

    Varna

Our offices

All offices

Everything your deal needs, in one place

  • Mortgage advice
  • Document checks and collection
  • Legal support
  • Property marketing
  • Accounting
  • Architects, designers and builders