49 reviews
External Reviews
Technologies
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Notable Clients
99x is a 600-person software development group operating across Sri Lanka, Norway, Portugal, Brazil, Malaysia, and elsewhere, with regional hubs serving Scandinavia, Europe, and North America. Founded over 20 years ago, the company positions itself as a product engineering partner rather than a task-driven outsourcer. Its three main regional arms—99x Nordics (serving Scandinavian and Nordic tech firms), 99x Europe (Portugal-based, covering 15 European countries), and 99x Americas (Brazil-based, focused on US companies)—each run semi-autonomous operations but share a unified culture around product thinking, long-term partnerships, and deliberate use of AI.
On Clutch, 99x maintains a 4.9/5 rating across 50+ verified reviews, with an eNPS score of 93. The company has delivered 150+ products to global markets and reports a 30% client retention rate of over a decade, plus an 80% funding success rate for products built with 99x. These numbers, tied to specific review platforms and outcome metrics, suggest a client base weighted toward funded startups and mid-market tech firms rather than enterprise contracts.
Services and capabilities
99x organizes its offerings around three pillars: digital product engineering, staff augmentation and tech talent placement, and web solutions.
On the product engineering side, the company handles full-lifecycle work: architecture and solution design, development, DevOps, security, mobile, IoT, and systems integration. It also runs dedicated tracks in AI engineering (machine learning, generative AI, big data, data analytics) and product discovery and strategy (workshops, prototyping, product strategy, UI/UX design, audits). A quality engineering practice covers manual and automated testing, performance testing, and security testing. Cloud consulting includes strategy, migration, architecture, DevOps implementation, and cost optimization.
For staff augmentation, 99x offers IT staff augmentation (engineers who "feel in-house" and work in real-time), web application development using React, Vue, Node.js, and Django, custom mobile app development for iOS, Android, and cross-platform, and AI and data solutions. The company emphasizes that it uses AI as an accelerator inside a specs-first, modular architecture with human-in-the-loop review, rather than letting models generate large swaths of unreviewed application logic. It explicitly states AI can be skipped if a client prefers.
Web solutions cover web development (front-end and back-end), content management systems (Enonic, Craft, Optimizely), and hosting and security (SSL, firewalls, regular updates).
The company has also built three internal tools it sells or showcases: Flowyzer.io (real-time engineering visibility for remote teams), Agentri (LLM-powered agent orchestration platform), and Go-Vibe.dev (AI-assisted software development methodology).
Notable work
99x's case studies draw from multiple verticals. For a betting/compliance client, the company built an AI-powered customer due diligence platform from a manual process. For BUS, it created new IP in big-data predictive analysis using privacy-preserving processing, machine learning, and cloud computing. BagID (smart baggage tech) received full-stack engineering and cloud expertise to launch an integrated baggage system. SOLWR (Norwegian logistics) got acceleration on a next-gen platform using IoT, AI, and robotics. A crowdfunding platform received competitive advantage work. A commercial real estate firm got an operational intelligence platform. A printing company received a "seamless printing experience" (details sparse). A QR code management company was served. On the web side, Blomqvist's auction platform was relaunched with a headless, user-centric design. Interflora and Forskerforbundet are listed as clients but without detailed case write-ups.
How they work
99x's engagement model is deliberately multi-track depending on region and need. For Nordic/product-focused clients, the company emphasizes partnership with a "founder's mindset" and facilitated teams that go beyond coding. For European clients, it follows a four-step process: pre-engagement (needs assessment), engagement (understanding pain points), team setup (thorough hiring with mutual validation), and operation (risk mitigation and quality control framework). For US-focused nearshore, it stresses real-time communication, timezone-friendly placement (Brazil is convenient for US companies), and "ownership mindset" vetting.
Pricing and contract terms are not published. Engagement models are described as "flexible" and "tailored," though the source does not specify fixed-price, T&M, retainer, or dedicated-team breakdowns.
Team and credentials
99x has 600+ people across five countries. The company reports 4.9/5 on Clutch with 50+ reviews and an eNPS of 93. It is trusted by 100+ businesses across 15 European countries and has served clients for 16+ years in Europe alone. The 99x Americas arm (Brazil-based) has 15+ years of experience and 60+ senior engineers, designers, and product leaders; it reports 93 eNPS. The company has delivered 150+ products globally with an 80% funding success rate and a 30% client retention above 10 years.
No ISO, SOC 2, or GDPR certifications are mentioned in the source. No partner status with major cloud or platform vendors is stated. Founders and current leadership include Dag Honningsvåg (Chairman), Odd Sverre Ostlie (Group CEO), and regional heads like Thiers Santos (EVP, 99x Americas) and César Fonseca (Business Director, 99x Europe).
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