A wide view over the green landscape and blue sea of Corfu

Technology with business purpose

Business systems, software and practical technology for better‑managed companies.

Custom business software, API integrations and process automation for owners, managers and operations teams. We connect scattered tools and reduce repeated manual work, remotely across Bulgaria and Europe or at your office by arrangement.

What we do

Practical expertise for systems that need to work in the real world.

From an unclear operational challenge to a maintainable solution, the work stays connected to the way your company actually runs.

  1. 01

    Technology consulting

    Clear technical perspective for managers, owners and growing businesses.

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  2. 02

    Custom software

    Web applications and internal tools shaped around useful business outcomes.

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  3. 03

    Business systems

    Back‑office workflows, operational structure and thoughtful automation.

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  4. 04

    Integrations and data

    Connected services and reliable data flows across the systems you depend on.

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  5. 05

    Technical direction

    Project coordination, diagnosis and improvement of existing solutions.

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Ways to work together

Three clear ways to move a difficult system forward.

Choose the smallest engagement that can produce a useful decision and a credible delivery path.

Before we talk

Projects and updates on LinkedIn

Explore the work and prepare a useful project enquiry. Our website case studies describe the role, scope and delivery status of each example.

A management loop

Technology is useful when it strengthens the next decision.

We connect information, decisions, execution and learning into one understandable operating rhythm.

  1. 01Information
  2. 02Decisions
  3. 03Actions
  4. 04Analysis of results
Greenwall Business Systems framed logo with company name

About Greenwall

Calm systems. Clear thinking. Responsible delivery.

Greenwall Business Systems combines long‑term software experience, practical business thinking and an interest in sustainable, well‑organised systems.

The natural identity represents balance, resilience and perspective. It is the character of the brand, not a claim that the company builds vertical gardens.

Founded on 8 January 2024 and registered in Sevlievo, Bulgaria. We have no public walk-in office; work is remote or at the client’s office by arrangement, including Sofia.

  • Business clarity
  • Technical depth
  • Sustainable structure

Founder and technical partner

Meet Nik Nenkov

Business Technology Consultant | Full-Stack Developer

Founder Nikolay (Nik) Nenkov leads consulting and implementation personally. Other specialists can join for the agreed scope, connecting business decisions with hands-on software delivery.

Explore Nik’s perspective
Portrait of Nik Nenkov

Start a conversation

Have a system, process or software challenge worth discussing?

Send a short note about the context and the outcome you are looking for. This channel is for business projects, partnerships and company enquiries.

Public contact

nik@greenwallbusiness.com+359 89 238 7117Direct contact with Greenwall Business Systems

How to start

Free initial conversation
We clarify the problem, whether we are a good fit and a useful next step.
Paid technical consultation
Focused work on a concrete technical question or system. We agree the scope, time and fee before starting.
Paid systems assessment
We map processes, data flows, dependencies and risks, then prioritize recommendations. Deliverables and fee are agreed for the specific scope.

What to send: Describe the problem, current systems, desired outcome and timing constraints. Include a budget range or brief/RFP if available. A short overview without passwords or confidential customer data is enough to start.