“The customer came, but I have nothing to show them.”
Lost sales due to a lack of visual materials at the first meeting. The client walks away without being hooked.
Partnerships with construction companies
A partner who speaks your language and meets your deadlines.
21 years in the business. 800+ projects. 6 building systems. 2-3 months to a design ready for a building permit. The architectural team that turns your next client into a signed contract—no revisions, no delays, and no headaches with the Regional Construction Control Authority.
800+
Ready-made designs in the catalog
2-3 months
Design ready for a permit
21 years old
Experience as a studio
Is this what your daily life is like, too?
We know what's weighing on you. We'll take care of it as part of our partnership.
Design is just one of the many things weighing on your mind. Here are the six most common headaches our construction partners tell us we help solve.
“The blueprints are incomplete; the crew is at a standstill.”
RFI cycles, days wasted waiting for a detailed response. The architect is out of the country, the crew is sitting idle.
“Errors in the quantity calculations = my pocket”
Discrepancies between the construction drawings and reality, differences in the bricks, disputes over the final inspection report. Whoever signed it pays.
“It looks good on paper, but it’s not being built”
Architectural solutions that cannot realistically be implemented. A terrace at a level that cannot be waterproofed.
“The architect doesn’t answer the phone at the construction site”
Design supervision exists only on paper. When you need to make a decision right here and now, the other party is unreachable.
“The municipality rejected the project; I was three weeks late.”
Rejections due to incomplete or incorrect documentation. Wasted time, an upset customer, and delayed implementation.
Instead of shouldering these risks on your own, we take them on as part of our partnership.
Check out the 3 partnership models ↓3 partnership models
Choose the format that best suits your business.
No minimum order. No membership fee. No mandatory contracts.
01 · Recommendation
Recommend us to one of your clients
When a client asks you, “Do you have an architect?”
- Access to over 800 ready-made designs in a shared catalog. The client makes their selection over the phone during the first meeting.
- Guaranteed turnaround of 2-3 months to a design ready for submission. You can plan your implementation without having to wait to see “when the project will be ready.”
- Transparent pricing structure. The customer knows exactly what they are paying even before signing the contract.
- Priority in the queue. Referred clients get a shorter wait time until their first appointment.
No fees
You recommend us because you know you won't be let down. That's the whole deal.
02 · Strategic Partnership
One architecture team for all your projects
No minimum order quantity. The more projects we work on together, the better the terms.
- A dedicated senior architect and one team for all your projects.
- Guaranteed response within 24 hours across all 5 communication channels.
- A quarterly results meeting and joint marketing of finished homes.
- A shared Notion project dashboard that gives you an overview of all your projects.
Additional benefits for bulk orders
Silver · 6+ projects/year. Turnaround time: 25 days. Priority in the queue.
Gold · 10+ projects/year. 21-day turnaround. Reserved slots in the schedule. Weekly status calls.
Platinum · 20+ projects/year. 18-day turnaround. Top priority. A joint marketing budget.
03 · For a specific project
Project-based partnership
You have a project. You have a client. You don't have an architectural team.
- We handle the entire design process, including all 12 design documents required for obtaining a building permit.
- Guaranteed turnaround of 2-3 months to a design ready for submission.
- Coordination with all subcontractors (structural engineer / plumbing / HVAC / electrical / energy efficiency / fire safety).
- Design supervision — at an additional rate. On-site presence during key stages of construction.
Rate Structure
Ready-made design starting at €4 200 (up to 140 m²). Custom design starting at €6,200 (Standard). Transparent offer from day one.
What does the work look like in practice?
You know what's coming. You know when. You know who.
One process, six steps, clear roles. From the moment you send us a plot sketch to the moment your client receives the keys.
| # | Step | What we do | What are you doing? | Deadline |
|---|---|---|---|---|
| 1 | Inquiry We receive a sketch and a brief from the client | We examine the site (lot, general urban plan, detailed urban plan) and assess the layout options. | Please send a floor plan of the property and a brief description from the client. | 24 hours |
| 2 | Coordination Budget, timeline, scope | A package-based quote with a fixed price and a deadline. No hidden terms. | Review with the client and confirm. | 48 hours |
| 3 | Conceptual design Concept + 3D walkthrough | Architectural concept, 3D tour, preliminary cost estimate. | You are reviewing with the client; one full iteration is included. | 7 days |
| 4 | Technical Design All 12 project components | BIM coordination across disciplines. Specifications using actual materials and alternatives. Final construction drawings. | You will receive a complete package to submit to the municipal administration. | 21 days |
| 5 | Project Handover And approval by the municipality | We submit the complete package to the municipal administration, address any comments, and expedite the approval process. | You will receive an approved building permit and complete project documentation, ready for implementation. | As scheduled |
| 6 | Start of construction As planned and without a hitch | Project supervision during key stages (shell construction, facade, Act 14, Act 15, final inspection). Prompt response via 5 communication channels. | You start construction with complete clarity. The crew works without any RFI delays, and the client sees progress on schedule. | As scheduled |
How we communicate on a day-to-day basis
5 communication channels—reach out to us however is most convenient for you. A single source of truth (a Notion project folder shared with you), so there’s no “I’m not sure which one is the final version.”
Google Meet
Viber
WhatsApp
Phone
Email
Response within 24 hours via each channel≤ 2 hours for urgent issues on-site
Why We Are the Predictable Choice
Eight reasons why builders recommend us without hesitation.
These aren't just promises—they're facts that you can verify right from our very first meeting.
01
Over 800 projects in the catalog
Your client sees something in you during the first meeting. Not a week later. Not after two meetings.
02
2-3 months to a design ready for a building permit
Not 6 months. Not “it depends.” A clear timeline, written into the offer.
03
6 building systems in the experiment
Monolithic, thin-walled metal, frame, wood, straw, and Styrofoam. Whatever you're building, we have the expertise to make it happen.
04
BIM Coordination
Conflicts between architecture, structural engineering, plumbing, HVAC, and electrical systems are identified on the drawings, not on-site. No costly rework.
05
Standard 3D walkthrough
Photorealistic renderings and virtual tours included in every completed project. In-house visualizer. A competitive edge from the very first meeting.
06
One contact person
Nikolay Kovachev, senior architect, is your only contact for all your projects. You don’t have to call three different architects. You don’t have to wonder, “Who was in charge of that?”
07
Notion Quality Management System
Versions, changes, responsibilities—everything is traceable. “Which is the final version?”—never again.
08
Minor comments from the municipalities
Pre-submission checklist for all 12 project components before submission. No "overlooked" energy efficiency, no rejection due to formatting issues.
Building Systems
Whatever you're building, we have a solution.
21 years in the business, with over 800 projects across six different construction systems. When an investor hires us with a preferred method, we know how to adapt the project.
Monolithic
Wooden frame
Metal frame
Thin-walled metal
Straw
Styrofoam walls
Completed Projects
Completed in collaboration with construction partners.
Not renderings, but actual properties where construction companies have brought our project to life and where families now live.
Single-family home, Herakovo
Implemented in partnership with TES Bulgaria
Single-family home, Hrabarsko
Implemented in partnership with TES Bulgaria
Single-family home, Bankya
Implemented in partnership with Domania
Single-family home, Dragichevo
Implemented in partnership with Domania
Single-family home, Sofia
Implemented in partnership with TED House
Single-family home, Dolna Dikanya
Implemented in partnership with TED House
Single-family home, Kyustendil
Implemented in partnership with TED House
Single-family home, Sofia
Implemented in partnership with TED House
Single-family home, Sinemorets
Implemented in partnership with Royal Homes
Single-family home, Prodanovtsi
Implemented in partnership with Royal Homes
Single-family home, Borovets resort
Implemented in partnership with Royal Homes
What our partners say
Construction companies that regularly recommend us.
These quotes are from partners we have been working with for over a year. The names of end clients are not disclosed due to NDAs.
When we receive a project from ISPDD, the team gets to work right away. No RFI cycles, no “call the architect.” Coordination between disciplines happens on the drawings, not on-site. That’s how work should be done.
I recommend them without hesitation. Not because they pay me a commission—there isn’t one—but because my clients come back to me for their next project. A transparent quote from day one, a fixed timeline until completion, and on-site supervision.
For us at Royal Homes, good architecture has to be not only beautiful, but also functional, technically sound and genuinely buildable. That is exactly why we have trusted ISPDD, and Ilian and Svetozar Petkov, for many years. ISPDD combine a strong architectural idea, contemporary design and an excellent understanding of the construction process. For us as a construction company this is especially valuable – they think about the project as a whole, from the concept to its actual execution. Our joint work has grown into a true professional partnership, built on trust, integrity and many successfully completed projects. We particularly value their attention to detail and their high professional culture – from the first idea and the visualisation to the technical solutions and the details of the execution itself. We recommend ISPDD with full confidence to every investor or client looking for high-level architecture, a contemporary vision, professionalism, speed and solutions that turn into well-executed projects.
The partners mentioned have given their permission for publication. The names of end customers are not disclosed due to NDAs.
Frequently Asked Questions
What the builders ask us at the first meeting.
Short and to-the-point answers. If you have a question that isn't listed here, please contact us.
Ready to partner with us?
A 30-minute meeting. No strings attached.
In person or via Google Meet. We listen to your business needs, and you see how we work. No sales pitches, no pressure—just a conversation between professionals. If you decide in the end that we’re not the right fit for you, it was still a worthwhile meeting.