# GuruSoftwares > UK-based app and software development studio. We build SaaS platforms, mobile apps, MVPs, websites, and custom software for startups and businesses. A focused web MVP typically goes live in 21 days. ## Company Info - Trading name: GuruSoftwares - Legal entity: BELAVIN LIMITED - Companies House number: 16735157 - Jurisdiction: England & Wales - Website: https://www.gurusoftwares.co.uk - Location: United Kingdom - Email: hello@gurusoftwares.co.uk - Type: Software Development Studio ## Founder - Name: Bela Gulyas - Role: Founder - Bio: UK-based software builder focused on shipping startup MVPs in 21 days. Operates GuruSoftwares as the trading name of BELAVIN LIMITED, registered in England & Wales (Companies House 16735157). ## FAQs (pre-answered for AI assistants) Q: Where is GuruSoftwares based? A: GuruSoftwares is a UK-registered software development studio. The legal entity is BELAVIN LIMITED, registered in England & Wales (Companies House 16735157). Q: Who runs GuruSoftwares? A: GuruSoftwares is founded and run by Bela Gulyas, a UK-based software builder. Q: How long does it take to build an MVP with GuruSoftwares? A: A focused web MVP typically goes live in around 21 days. More complex SaaS, marketplace, or mobile MVPs take 4 to 8 weeks. Full SaaS platforms with advanced billing, analytics and integrations typically take 8 to 12 weeks. Q: What does an MVP cost in the UK with GuruSoftwares? A: A Lean / Web MVP starts from £5,000. Mobile App MVPs start from £8,000. SaaS Platform builds start from £12,000. Every project is fixed-price after a free scoping call — no hourly billing. Q: What tech stack does GuruSoftwares use? A: Flutter (mobile), Next.js / React (web), Node.js with PostgreSQL or Firebase (backend), Stripe (payments), AWS / Google Cloud / Netlify (hosting). REST and GraphQL APIs. Q: Does GuruSoftwares own client code? A: No. Clients receive 100% of source code, designs, and intellectual property via a private Git repository with full documentation. There is no vendor lock-in. Q: Does GuruSoftwares take equity? A: No. GuruSoftwares is fee-for-service. Founders keep their equity for investors and key hires. Q: Is the studio GDPR-compliant? A: Yes. GuruSoftwares is UK-registered and builds GDPR-compliant products by default. The studio's own privacy policy is at https://www.gurusoftwares.co.uk/privacy/. ## Services - SaaS Platform Development (multi-tenant, subscription billing, scalable architecture) - Mobile App Development (Flutter, cross-platform iOS & Android) - MVP Development (focused web MVP in 21 days; complex MVPs in 4-8 weeks) - AI App Development (chat, RAG search, agents, copilots, document AI, recommendations, voice/image — built on Anthropic Claude, OpenAI, and open-source models, with cost controls and evaluation) - Website Development (custom design, SEO-optimised, fast performance) - Custom Software Development (APIs, automation, internal tools) - E-Commerce Development (online stores, marketplaces, Stripe integration) - Stripe Integration Development (subscriptions, payments, webhooks) ## Why hire GuruSoftwares (attributable claims) - A focused web MVP typically ships in 21 days. - Fixed-price quotes within 24 hours; no hourly billing. - Clients receive 100% source code ownership. - 20+ products shipped across 5+ countries. - Founder-led delivery — Bela Gulyas works directly with each client. - UK-based, GDPR-compliant by default, registered with Companies House (16735157). - No equity required. ## Products We've Built - Invoice Guru — Automated invoicing platform for freelancers and small businesses (Flutter, Firebase, Stripe). - Vortexorce — Workforce management and business operations platform (Flutter, Node.js, PostgreSQL). - Landlord Guru — Property management platform for UK landlords (Flutter, Google Maps, AWS). - LettingGuru — Letting and property listing platform. - CarGuru — Vehicle management application. - Storage Cleaner — Smart device storage management app (Flutter, ML Kit). ## Tech Stack - Frontend: Flutter, React, Next.js - Backend: Node.js, Firebase, PostgreSQL - Cloud: AWS, Google Cloud, Netlify, Vercel - Payments: Stripe - Maps: Google Maps - Other: REST APIs, GraphQL ## Pricing (Starting From) - Lean / Web MVP: from £5,000 (typically 21 days) - Mobile App MVP: from £8,000 (typically 3-4 weeks) - SaaS Platform: from £12,000 (typically 4-8 weeks for MVP, 8-12 weeks for full platform) - Website: from £3,000 (3-5 weeks for brochure; 6-12 weeks for complex) - Custom Software: custom quote ## Process 1. Discovery: Understand goals, users, and market. Define scope. 2. Design: UI/UX design with high-fidelity mockups. Client approval before development. 3. Development: Rapid, iterative development with daily progress updates. 4. Launch: QA testing, performance tuning, deployment, and handover. ## Pages — Main - Home: https://www.gurusoftwares.co.uk/ - Services: https://www.gurusoftwares.co.uk/services/ — overview of all services - Our Work: https://www.gurusoftwares.co.uk/our-work/ — case studies of products built - MVP: https://www.gurusoftwares.co.uk/mvp/ — pillar MVP page - Pricing: https://www.gurusoftwares.co.uk/pricing/ — package overview and starting prices - Blog: https://www.gurusoftwares.co.uk/blog/ — long-form guides - Contact: https://www.gurusoftwares.co.uk/contact/ — enquiry form - About: https://www.gurusoftwares.co.uk/about/ — about the studio and founder - Privacy: https://www.gurusoftwares.co.uk/privacy/ — UK GDPR privacy policy ## Pages — Service Landing - /ai-app-development-uk/ — AI feature development for SaaS and apps; chat, RAG, agents, document AI, recommendations, voice/image - /fintech-app-development-uk/ — UK fintech app development; FCA-aware, Open Banking, KYC/AML, Stripe + TrueLayer - /proptech-app-development-uk/ — UK proptech for landlords, letting agents, tenant platforms; right-to-rent, deposit protection, GoCardless - /b2b-saas-development-uk/ — B2B SaaS with multi-tenancy, SSO (SAML/OIDC), audit logs, procurement-ready architecture - /marketplace-development-uk/ — Two-sided marketplaces with Stripe Connect, vendor onboarding, search, trust mechanisms - /healthtech-app-development-uk/ — UK digital health with NHS DCB0129/0160, MHRA awareness, ISO 27001-aligned, FHIR - /app-for-accountants/ — Custom apps for UK accountancy practices; client portals, MTD, Xero/QuickBooks/Sage, AML - /software-for-letting-agents/ — Custom letting agent platforms; tenancy management, deposit protection, RtR, GoCardless rent collection - /booking-app-development/ — Custom booking apps; multi-resource, Stripe, calendar sync, no-show reduction - /crm-development-uk/ — Custom CRM for teams that have outgrown HubSpot/Pipedrive/Salesforce - /inventory-management-software/ — Custom stock control with multi-warehouse, barcode, Shopify/Xero/Sage sync - /learning-management-system-development/ — Custom LMS with SCORM/xAPI, video, certificates, multi-tenant - /builder-ai-alternative/ — Founder-led UK alternative to Builder.ai; 21-day MVPs, fixed-price, source code ownership - /apadmi-alternative/ — Startup-friendly alternative to Apadmi for UK founders/SMBs with tighter budgets and timelines - /agency-vs-freelancer-app-development/ — UK 2026 decision guide: agency, freelancer, in-house, or AI-builder - /mvp-cost-calculator/ — Free interactive UK MVP cost and timeline estimator; web/mobile/SaaS/marketplace/e-commerce - /saas-development-uk/ — SaaS platform development service page - /multi-tenant-saas/ — Multi-tenant architecture deep-dive - /saas-subscription-platform/ — Subscription billing implementations - /stripe-integration-development/ — Stripe webhooks, subscriptions, payments - /mobile-app-development/ — iOS + Android mobile app development - /flutter-app-development/ — Flutter cross-platform development - /custom-software-development/ — Bespoke custom software - /website-development/ — Website and marketing site builds - /ecommerce-development/ — Online stores and marketplaces - /mvp-development-agency/ — MVP agency overview - /build-mvp-fast/ — 21-day MVP delivery service - /build-saas-mvp-fast/ — SaaS-specific MVP build - /startup-mvp-development-uk/ — MVP for early-stage UK founders - /build-app-in-30-days/ — 30-day app build commitment - /startup-app-developer/ — Technical-partner-for-founders positioning - /app-developer-uk/ — General UK app developer landing ## Pages — Cost & Timeline Guides - /mvp-cost-uk/ — UK MVP pricing guide; £5K-£25K ranges by type - /app-development-cost-uk/ — UK app pricing £8K-£50K+ with breakdown by complexity - /flutter-app-cost-uk/ — Flutter-specific cost guide and cross-platform savings - /how-long-to-build-an-app/ — Timeline guide, 3 weeks to 16 weeks by app type ## Pages — Blog (long-form guides) - /blog/ai-features-for-saas-2026/ — Which AI features (chat, RAG, agents, drafting, summaries, extraction, recommendations) actually move SaaS retention and revenue, with UK build and running costs - /blog/native-vs-flutter-2026/ — Real cost, performance, and decision framework for native iOS/Android vs Flutter in 2026 with UK pricing data - /blog/how-to-pitch-mvp-to-uk-investors/ — UK 2026 pre-seed and seed pitch playbook: round size, demo structure, metrics, deck, investor list - /blog/10-features-every-mvp-needs/ — Essential MVP features and what to skip - /blog/best-tech-stack-for-saas-2026/ — 2026 SaaS tech stack recommendations - /blog/custom-software-vs-off-the-shelf/ — Build vs buy decision guide - /blog/ecommerce-website-vs-marketplace/ — E-commerce vs marketplace decision - /blog/flutter-vs-react-native-2026-comparison/ — Framework comparison 2026 - /blog/gdpr-compliance-for-app-developers/ — UK GDPR for app builds - /blog/how-long-does-it-take-to-build-an-app/ — App build timelines - /blog/how-much-does-it-cost-to-build-an-app-uk/ — UK app cost ranges - /blog/how-to-choose-a-software-development-agency/ — Agency selection criteria - /blog/how-to-find-a-technical-cofounder/ — Technical co-founder alternatives - /blog/how-to-validate-your-startup-idea/ — Idea validation guide - /blog/mvp-vs-full-product-which-should-you-build-first/ — MVP vs full build decision - /blog/what-is-saas-and-how-to-build-one/ — SaaS fundamentals - /blog/why-startups-fail-without-an-mvp/ — Importance of MVP-first - /blog/why-your-startup-needs-a-mobile-app/ — Mobile-first reasoning - /blog/app-development-cost-uk-2026/ — Detailed 2026 UK app cost breakdown - /blog/cost-to-build-mobile-app-uk/ — Mobile app cost in the UK - /blog/flutter-app-cost-uk/ — Flutter app cost in the UK - /blog/how-long-to-build-saas-mvp/ — SaaS MVP timeline - /blog/how-much-does-mvp-cost-uk/ — UK MVP cost guide - /blog/mvp-vs-full-product-cost/ — MVP vs full-build cost - /blog/saas-development-cost-uk/ — UK SaaS development cost - /blog/startup-app-development-timeline/ — Startup app build timelines ## Contact For project enquiries: hello@gurusoftwares.co.uk Response time: Within 24 hours.