Case Studies & Portfolio

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NEW Case Study: Accounting and Advanced Financial Reporting System (Rescheduling Module)

March 2026. How OPTI Software implemented a modern rescheduling module in the Bucharest Bar Association's accounting application: transforming historical debts into predictable future installments, intelligent payment distribution, and separate reporting without disr

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Upgrading Entersoft ERP Sales Work with AI: Cutting Quoting Time by 68% for an Industrial Distributor

December 2025. AI-powered sales quoting platform integrated with Entersoft ERP for catalogue and stocks, reducing quote preparation time by 68%, eliminating product errors, and increasing average order value through smart search and upselling.

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Case Study: HubSpot Governance & Automation for Forex (Montelux)

November 2025. Case Study: How Montelux scaled Forex sales across Europe using a strict HubSpot governance model, automated pipelines, and role-based access control.

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Case Study: AI-Ready Infrastructure (Web, Email, Sales)

October 2025. Case Study: How we modernized web, email, and sales infrastructure for the Bucharest Bar Association, ART Group and others using Cloudflare, Postmark, and AI optimizations.

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Case Study: Digitizing the Bucharest Bar Association

April 2024. Case Study: How we digitized the Bucharest Bar Association with the "Electronic Registry 2024" project, implementing online submissions and digital signatures.

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Case Study: Delivering Cybersecurity Awareness Training

April 2024. Case Study: How we delivered a cybersecurity training program for the Bucharest Bar Association to increase employee awareness and mitigate digital risks.

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Case Study: Protecting Digital Books with Readium DRM

April 2024. Case Study: How we implemented the LCP/Readium DRM system for ARTHUR Publishing to protect their digital books (ebooks) from unauthorized distribution.

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Case Study: Building an Academic Website (CCEA)

April 2024. Case Study: How we built a modern academic website for the Center for Research in Applied Ethics (University of Bucharest) to disseminate publications and resources.

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Case Study: Modernizing a Digital Infrastructure

December 2023. Case Study: How we revitalized the Bucharest Bar Association's digital infrastructure by rebuilding their website, mobile apps (iOS/Android), and ERP integrations.

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Case Study: Mobile Micropayments Platform for Gaming

March 2023. Case Study: How we developed a scalable platform for Playwing that handles billions of mobile micropayments globally by integrating hundreds of payment systems.

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Testimonials

I worked with OPTI for integrating SaaS services into our HubSpot presence, helping deliver a better experience for our online customers. I appreciate their technical skills, result-oriented approach, and constant availability

Vlad Ionescu

UI Path

The team of specialists at OPTI helped us move UiPath’s website to HubSpot and integrate various SaaS services to create a unitary experience for our customers. Well done, clear communication and management plus quick adaptation to new technologies and learning potential. Recommend.

Mihai Bădiță

UI Path

OPTI is great in identifying solutions and implementing them in a timely manner. From API integrations, technical investigations, and diagnosis to extensive platform migrations, OPTI can do it all, and it does it very well!

Monica Condrache

Senior Project Manager & Marketing Automation Specialist, NNC

OPTI has been a key partner which allowed us to go to market fast at a moment when our teams were in their infancy. Following attributes describe our collaboration with them: result-oriented, fast, proactive, excellent work ethics. I highly recommend them !

Cristian

Technical Director, Playwing

OPTI has been our main partner in web software development, web maintenance and web hosting for our business. We recommend their skills in software development as our requests and input are quickly translated into results, thus having a short launch-cycle.

Bianca Chirică

ART Publishing House

Launching my personal artistic website and blog has been one of the most beautiful recent moments. As I shared the news with the world, I appreciated the quality of effort and the magisterial touch of the team at OPTI and its founder, Marian Călborean. They helped with everything: graphic identity and layout, the organization of my projects and work and developing ways to update continuously the website content. I welcome the collaboration and warmly recommend their abilities.

Alina Purcaru

writer

OPTI is one of our main partners for highly technical Marketing Automation projects. As a HubSpot Partner, we always receive technical requirements from clients with advanced tech stacks. OPTI was great in identifying solutions and implementing them in a timely manner. From API integrations, technical investigations, and diagnosis to extensive platform migrations, OPTI can do it all, and it does it very well!

Monica Condrache

Senior Project Manager & Marketing Automation Specialist, NNC

Mihai Bădiță

UI Path

Vlad Ionescu

UI Path

Cristian

Technical Director, Playwing

Bianca Chirică

ART Publishing House

Alina Purcaru

writer