# MetlSys > MetlSys is a UK-built ERP for steel and stainless steel stockholders and the > engineering firms they supply. It runs the whole operation in one system: > AI goods-in, heat and mill certificate traceability (EN 10204 types 2.1 to 3.2), > stock and warehousing, cutting and production, subcontract processing, > despatch with electronic proof of delivery, invoicing with accounting export, > a customer portal, and a built-in AI assistant. Made by Reload IT Ltd > (company no. 10106178), Rotherham, United Kingdom. Data is hosted in London (eu-west-2). Key facts: - Product: MetlSys, multi-tenant SaaS ERP for the steel stockholding trade - Audience: steel and stainless stockholders, metal service centres, engineering firms holding traceable material - Differentiators: batch and heat genealogy that survives splits, cuts, remnants and subcontract loops; mill test certificates as first-class records matched by heat number; certificate gates at allocation and despatch; two-stage goods receipt (book in now, confirm weight later); cut-piece pricing with kerf and facing allowance by saw type; catch-weight dual units (theoretical and actual weight) - AI: reads mill certificates, delivery notes and purchase orders into reviewable drafts; assistant answers questions from live data (read-only); writes always need human confirmation; customer data is not used to train AI models - Tiers: Lite GBP 395/month, Professional GBP 995/month, Corporate on request. Priced by named full-user band (1-5 / 6-20 / 21+) with unlimited warehouse and shop-floor users on every tier. Prices exclude VAT. - Accounting: CSV export to Xero, Sage 50, Sage 200 and QuickBooks Online (not a live sync) - Login: https://app.metlsys.com - Contact: https://metlsys.com/contact or info@reloadit.co.uk ## Pages - [Home](https://metlsys.com/): what MetlSys is and who it's for - [How it works](https://metlsys.com/how-it-works): three step-by-step workflow stories (stockholding, subcontract processing, engineering end user) - [Features](https://metlsys.com/features): all nine modules, what each does and what it saves - [AI & automation](https://metlsys.com/ai): the assistant, AI paperwork capture, guided help - [Pricing](https://metlsys.com/pricing): Lite GBP 395/month, Professional GBP 995/month, Corporate on request - [Migration & custom work](https://metlsys.com/migration): moving off a legacy steel system with history intact - [Security & reliability](https://metlsys.com/security): tenant isolation, roles, MFA, audit trail, UK hosting - [FAQ](https://metlsys.com/faq): straight answers on product, migration, AI, security, commercial and technical questions - [Request a demo](https://metlsys.com/contact): book a walkthrough with the developer ## Insights Plain-English articles on the trade's paperwork problem: - [Insights index](https://metlsys.com/insights) - [Catch-weight invoicing explained: theoretical weight, actual weight, and how to bill steel without leaking margin](https://metlsys.com/insights/catch-weight-invoicing-explained): Catch-weight invoicing for steel stockholders: theoretical versus actual weight, which basis to bill on, variance limits, and pricing unweighed stock. - [Generic ERPs don't know what a heat number is](https://metlsys.com/insights/generic-erp-heat-number): Why generic inventory software fails steel stockholders: catch-weight, heat genealogy, cert gates and cut-piece pricing are the point, not add-ons. - [EN 10204 explained: 2.1, 2.2, 3.1 and 3.2 certificates, and what stockholders actually need to do with them](https://metlsys.com/insights/en-10204-explained): EN 10204 certificate types 2.1 to 3.2 explained in plain English: what each type certifies, who signs it, and how stockholders should file and match them. ## Legal - [Privacy Policy](https://metlsys.com/privacy) - [Cookie Policy](https://metlsys.com/cookies) - [Terms of Service](https://metlsys.com/terms) - [Acceptable Use Policy](https://metlsys.com/acceptable-use) - [Data Processing Agreement](https://metlsys.com/dpa) ## Optional - [llms-full.txt](https://metlsys.com/llms-full.txt): the full text of every Insights article in one file