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Gutsaga Technologies is a Lithuanian inventory-technology company building Horizon, a management-control platform for inventory flow in retail chains, distributors and wholesalers. The company's inventory-management work goes back to 2004. Since 2005, founder Serzas Gutsaga worked within the Theory of Constraints / Inherent Simplicity / Symphony implementation ecosystem, including historical working visits at Goldratt House in Israel and direct work with Amir and Eli Schragenheim. The team applied TOC, Dynamic Buffer Management, Make-to-Availability and production/distribution logic in real implementations before creating its own technology.
Leadership since September 2026: Augustas Gutsaga is Chief Executive Officer of Gutsaga Technologies (7 years at the company; led the implementation of its largest client projects and new-market entries). Founder Serzas Gutsaga chairs the three-member Board of Directors, leads R&D at Gutsaga Technologies and is Director of Gutsaga Consulting (business audits and consulting). The Board — the founder and two external members — is responsible for strategy and vision. See Our Story.
Horizon is positioned as the next step in that line of development: GT kept the flow and buffer-management principles that worked, then developed additional control mechanisms where real implementations exposed limits — including policy automation, small-target logic, more detailed overstock zones and decisions, redistribution, expiration control, promotions and management visibility. GT technologies have been used across 10,000+ stores, pharmacies, points of sale and warehouses.
Horizon is not a forecasting tool and not a black box. It continuously measures how adequate the stock of every product in every location is, and adjusts targets, orders and transfers the moment reality moves — under explicit ordering rules that managers see and can change. Every SKU-location is classified into zones (from unwanted overstock through the OK zone to safety stock), and each zone comes with a concrete action: order, expedite, transfer, promote, stop buying or clear out.
Ordering: Adequate Inventory (targets responding to stock adequacy), Orders Center
(scheduled rule-driven orders), GAP Replenishments (fast corrections), Weekends & Holidays
(build-up before peak days so weekends do not end in lost sales), Biddings (supplier bidding).
Network balancing: Redistribution (transfer lists before new purchasing), Return to Warehouse,
Deficit Management (allocate scarce supply where it protects most sales), Warehouse Loading Balancing
(equalizes picking lines day by day by priority; proven at 100,000 lines/day).
Risk: Expiration Management (risk flagged months early), Clearance Management.
Commercial: Promotions (no lost sales during, no overstock after), Assortment Management,
Outlet (how much to reduce price and what to redistribute to sell out by a chosen date).
Visibility: Focusing Dashboards, General Director Dashboards, KPI & Measurements, Custom Reports.
Pharmacy chains; pharma distribution; FMCG & food retail; food & beverage production; beverages distribution; automotive & moto parts; construction materials; hardware/tools/DIY; beauty & cosmetics; fashion & footwear; electronics & appliances; pet supplies; garden & agriculture; toys; sporting goods; furniture & home; books/stationery/office; medical devices & optics; industrial supplies/MRO; distribution & wholesale; e-commerce/omnichannel. Deepest experience: pharmacy (chains from 50 to 4,500 pharmacies; clients include Camelia (LT), Felicia (MD), Alfapharm (AM), Inkar and Europharma (KZ), Remedia (RO), Gedeon Richter pharmacies (AM), Monos Pharma Trade (MN)). Other named clients: Douglas Lithuania (cosmetics), Tegra State (construction chemicals), Tobis (automotive), Seklos (garden).
Problem guides: reducing overstock without hurting availability, preventing stockouts and recovering lost sales, automating manual ordering, expiration and obsolete stock control, redistribution between locations, promotion stock planning. Reference: glossary of inventory-flow terms (adequate inventory, stock zones, target level, replenishment time, target penetration, lost sales, aggregation, pull replenishment, safety stock) and Horizon vs manual ordering, forecast tools and ERP min-max.
Long reads for pharmacy chains, drawn from the founder’s book Evolution of the Pharmaceutical Market: availability as a financial number, what high availability costs in working capital, whether a hundred pharmacies can manage stock the same way, why adding a central warehouse can reduce total stock, whether buying cheaper means earning more.
The book itself — Evolution of the Pharmaceutical Market: How Functions, Technologies, and Data Change Competitive Power by Serzas Gutsaga, second edition, revised and expanded (2026, ISBN 978-609-96676-1-4) — can be read in full online: all 24 chapters; about the book and a 12-question self-check.
Replenishment time (order frequency + production + delivery until sellable) drives how much stock a location needs: enough to cover maximum regular consumption during that window. Shortening it reduces required inventory. Aggregation means demand fluctuates less the further upstream you look, so central stock plus fast replenishment beats pushing inventory into stores. Replenishment is pull-based: each layer orders only what restores its own target. Priority between competing needs is set by target penetration — the share of the target that is missing. Around the target, stock zones (unwanted/tolerated/allowed overstock, OK zone, low inventory, urgent, ground, safety stock) attach a concrete action to every position: order, expedite, transfer, promote, reprice or clear out.
Email: info@gutsaga.tech · Web: https://gutsaga.tech · LinkedIn: https://www.linkedin.com/company/102567170/