# Deda Systems & Solutions > Deda Systems is a software engineering studio in Ambattur, Chennai, founded in 2025. It builds AI automation, machine-learning models, custom ERP and business software for retail and manufacturing companies only, on-premise or in the cloud, on top of the POS, ERP and accounting systems a business already runs. Key facts: - Legal name: Deda Systems & Solutions Private Limited (CIN U62013TN2025PTC181851). Indian AI and custom software firm in Ambattur, Chennai, founded in 2025; not affiliated with Deda Group (Italy). - Brand: Deda Systems. Website: https://deda.systems - Address: No. 1, Sampangi Street, Vivekananda Nagar, Ambattur, Chennai 600053, Tamil Nadu, India - Phone and WhatsApp: +91 97101 42960 · Email: deep@deda.systems - Hours: 9 am to 7 pm, all days. Languages: English and Tamil. - Industries served: retail (single-store to multi-branch chains, e-commerce and omnichannel) and manufacturing (discrete, assembly, process and chemical). No work outside these two sectors. - Where: based in Chennai; works on site with clients across Tamil Nadu (including Ambattur Industrial Estate, Sriperumbudur, Oragadam) and across India. - Engagement terms: free first call, with an engineer (30 min); on your floor before any proposal (2–4 days); first working demo, on your own data (Week 1); scope, timeline and price, agreed before we build (Fixed); existing systems replaced (Zero). A first scope typically reaches production in weeks 6 to 12. - Deployment: fully on-premise when required (data stays in the client's building), or cloud. Local LLMs (LLaMA, Qwen) for private AI. ## Services - [Home](https://deda.systems/index.md): AI automation, custom ERP and business software for small and mid-sized retail and manufacturing businesses in India, built in Chennai on the systems you already run. - [AI and software for retail chains](https://deda.systems/ai-for-retail.md): Live multi-branch stock, demand forecasting, automated GST and bank reconciliation, and an AI layer on the POS and ERP you already run. Built in Chennai. - [Manufacturing software and factory AI](https://deda.systems/ai-for-manufacturing.md): Paper job cards to live OEE, predictive maintenance from your sensor data, vision quality inspection on the line and supplier risk scoring, for plants across India. - [Custom ERP and business software](https://deda.systems/custom-erp-software.md): Custom ERP, workflow automation and business software built around how your retail or manufacturing business already works, plus an AI layer on your existing ERP or POS. ## How the studio works - [How we work: six phases from the first visit to a live system](https://deda.systems/story.md): How Deda Systems takes a factory or a retail business from paper, Excel and phone calls to live numbers, in six phases with a fixed scope and a fixed price. - [Tell us what is slowing you down](https://deda.systems/contact.md): Book a free 30-minute call with a Deda Systems engineer, in English or Tamil. Send the form, call, email or WhatsApp. We reply within one business day. ## Case studies Worked examples of typical projects. The businesses described are composites, not named clients; the screens show sample data and no result figures are quoted. - [Case studies: the work in practice](https://deda.systems/case-studies.md): Worked examples from retail and manufacturing: live multi-branch stock, automated month-end reconciliation, live OEE from job cards, and vision inspection. - [One live stock view for a six-branch retailer](https://deda.systems/case-studies/multi-branch-retail-stock-visibility.md): Worked example: a six-branch garment retailer moves from weekly Excel stock counts to one live stock view with reorder and transfer alerts. - [Month-end close without the spreadsheet week](https://deda.systems/case-studies/month-end-gst-bank-reconciliation.md): Worked example: a hardware retailer automates bank, ledger and GSTR-2B reconciliation, so the accounts team reviews exceptions instead of matching lines. - [From paper job cards to live OEE](https://deda.systems/case-studies/paper-job-cards-to-live-oee.md): Worked example: a CNC machine shop in Ambattur replaces paper job cards and next-morning reports with tablet job cards, live OEE and a reason for every stop. - [Checking every part on a moulding line](https://deda.systems/case-studies/vision-quality-inspection-moulding-line.md): Worked example: a moulded-parts manufacturer moves from sample-table checks to camera inspection of every part, trained on its own products and defect types. ## Factory handbook A free reference for people who run plants: standard formulas with worked examples, calculators and printable templates. - [The factory handbook](https://deda.systems/handbook.md): A free reference for people who run small and mid-sized plants: an OEE calculator, shop-floor formulas, machine data collection, job card templates and a glossary. - [OEE calculator and guide](https://deda.systems/handbook/oee-calculator.md): Calculate OEE from one shift of data: the formula for availability, performance and quality, a worked example, the six big losses and common mistakes. - [Shop-floor formulas](https://deda.systems/handbook/shop-floor-formulas.md): Standard shop-floor formulas, each with a worked example and a calculator: takt time, first pass yield, DPMO, Cp and Cpk, MTBF, MTTR and TEEP. - [Getting data out of machines](https://deda.systems/handbook/machine-data-collection.md): Five ways to collect data from CNC machines and PLCs, from operator entry to Modbus, MTConnect, OPC UA and FANUC FOCAS, and what to ask your machine builder. - [Job card and stop-code templates](https://deda.systems/handbook/job-card-template.md): A printable production job card, starter stop reason codes mapped to OEE losses, and a daily production report. Free to print or download as CSV. - [Manufacturing glossary](https://deda.systems/handbook/manufacturing-glossary.md): Plain-language definitions of 55 manufacturing terms: OEE, takt time, Cpk, PPAP, FMEA, SMED, kanban, MES, MTBF and more. Written for plant owners and supervisors. ## Optional - [Full text of every page](https://deda.systems/llms-full.txt): the whole site as one Markdown document. - [Sitemap](https://deda.systems/sitemap.xml): every URL with its last-modified date.