Forecast Smarter Replenish Faster
Forecast Smarter Replenish Faster
Forecast Smarter Replenish Faster
Tightly transforms demand forecasting from a spreadsheet chore into a revenue-driving autopilot. Built for Shopify and D2C brands, our Smart Replenishment algorithm predicts what to buy, when to buy it, and how much—so you stay in stock and on budget.
Tightly transforms demand forecasting from a spreadsheet chore into a revenue-driving autopilot. Built for Shopify and D2C brands, our Smart Replenishment algorithm predicts what to buy, when to buy it, and how much—so you stay in stock and on budget.
Tightly transforms demand forecasting from a spreadsheet chore into a revenue-driving autopilot. Built for Shopify and D2C brands, our Smart Replenishment algorithm predicts what to buy, when to buy it, and how much—so you stay in stock and on budget.






Stop the $1.77T inventory leak
North American retailers lose $349B every year to “inventory distortion” (overstocks + stockouts). Globally, the leak tops $1.77T- and whatever you do hold, costs 30% of its value per year just to sit on the shelf.
Tightly’s adaptive forecasting and PO automation cut overstock, prevent stockouts, and put trapped cash back into growth
North American retailers lose $349B every year to “inventory distortion” (overstocks + stockouts). Globally, the leak tops $1.77T- and whatever you do hold, costs 30% of its value per year just to sit on the shelf.
Tightly’s adaptive forecasting and PO automation cut overstock, prevent stockouts, and put trapped cash back into growth
North American retailers lose $349B every year to “inventory distortion” (overstocks + stockouts). Globally, the leak tops $1.77T- and whatever you do hold, costs 30% of its value per year just to sit on the shelf.
Tightly’s adaptive forecasting and PO automation cut overstock, prevent stockouts, and put trapped cash back into growth
Smarter Replenishment. Bigger Results
From demand forecasting to purchase orders, automate your entire replenishment cycle, ensure every order is data-driven, budget-aligned, and revenue-focused
From demand forecasting to purchase orders, automate your entire replenishment cycle, ensure every order is data-driven, budget-aligned, and revenue-focused
Intelligent demand forecasting
Add events—promos, launches, price changes—with uplift/downlift, dates, and locations. Tightly updates forecasts, DOH and reorder points, then recalculates order qtys so you cover spikes without overbuying.
Intelligent demand forecasting
Add events—promos, launches, price changes—with uplift/downlift, dates, and locations. Tightly updates forecasts, DOH and reorder points, then recalculates order qtys so you cover spikes without overbuying.
Intelligent demand forecasting
Add events—promos, launches, price changes—with uplift/downlift, dates, and locations. Tightly updates forecasts, DOH and reorder points, then recalculates order qtys so you cover spikes without overbuying.
Inbound & constraint aware
We account for incoming shipments/transfers, open backorders, and lost-sales due to past stockouts. Recommendations top up only what’s needed—no double-ordering, no gaps
Inbound & constraint aware
We account for incoming shipments/transfers, open backorders, and lost-sales due to past stockouts. Recommendations top up only what’s needed—no double-ordering, no gaps
Inbound & constraint aware
We account for incoming shipments/transfers, open backorders, and lost-sales due to past stockouts. Recommendations top up only what’s needed—no double-ordering, no gaps
Lead-time & coverage timeline
Plan by days of stock, not hunches. A visual lane shows supplier lead time and your projected days-of-stock (DOH)—with the exact reorder point to stay green through your horizon.
Lead-time & coverage timeline
Plan by days of stock, not hunches. A visual lane shows supplier lead time and your projected days-of-stock (DOH)—with the exact reorder point to stay green through your horizon.
Lead-time & coverage timeline
Plan by days of stock, not hunches. A visual lane shows supplier lead time and your projected days-of-stock (DOH)—with the exact reorder point to stay green through your horizon.
Budget-first prioritisation
Spend where it returns the most. Set Open-to-Buy by period/category. Tightly ranks SKUs by revenue impact & margin, keeping orders within budget while protecting bestsellers.
Budget-first prioritisation
Spend where it returns the most. Set Open-to-Buy by period/category. Tightly ranks SKUs by revenue impact & margin, keeping orders within budget while protecting bestsellers.
Budget-first prioritisation
Spend where it returns the most. Set Open-to-Buy by period/category. Tightly ranks SKUs by revenue impact & margin, keeping orders within budget while protecting bestsellers.
Multi-location & bundle aware
Every suggestion comes with the reasoning. Coordinate buying across warehouses/3PLs and multiple stores—so inventory levels stay balanced and available across locations, in real time, automatically.
Multi-location & bundle aware
Every suggestion comes with the reasoning. Coordinate buying across warehouses/3PLs and multiple stores—so inventory levels stay balanced and available across locations, in real time, automatically.
Multi-location & bundle aware
Every suggestion comes with the reasoning. Coordinate buying across warehouses/3PLs and multiple stores—so inventory levels stay balanced and available across locations, in real time, automatically.
One-click execution
From “buy” to booked in seconds. Turn picks into supplier-ready orders: grouped the way vendors expect, respecting MOQ, case pack, and lead time. ETAs sync to your timeline automatically.
One-click execution
From “buy” to booked in seconds. Turn picks into supplier-ready orders: grouped the way vendors expect, respecting MOQ, case pack, and lead time. ETAs sync to your timeline automatically.
One-click execution
From “buy” to booked in seconds. Turn picks into supplier-ready orders: grouped the way vendors expect, respecting MOQ, case pack, and lead time. ETAs sync to your timeline automatically.
The event-driven forecasts were a game changer—campaigns no longer outpace supply. Replenishment accuracy jumped, dead stock fell, and even when suppliers slipped, we stayed in stock
Mark Till
Ecom & Ops Director at Face the Future
We have been doing a lot of research including a lot of trial and error of inventory optimisation platforms and Tightly is one of the most exciting propositions. Highly recommended.
Dan Gibbins
CEO at Red Light Therapy
Tightly cut our stockouts from 5% to 1% in 2 momths. Forecasts are spot-on and POs send themselves. We unlocked six-figure revenue and finally stopped living in emails and spreadsheets.
Alex Milliard
Ops Manager at Casetronics
The event-driven forecasts were a game changer—campaigns no longer outpace supply. Replenishment accuracy jumped, dead stock fell, and even when suppliers slipped, we stayed in stock
Mark Till
Ecom & Ops Director at Face the Future
We have been doing a lot of research including a lot of trial and error of inventory optimisation platforms and Tightly is one of the most exciting propositions. Highly recommended.
Dan Gibbins
CEO at Red Light Therapy
Tightly cut our stockouts from 5% to 1% in 2 momths. Forecasts are spot-on and POs send themselves. We unlocked six-figure revenue and finally stopped living in emails and spreadsheets.
Alex Milliard
Ops Manager at Casetronics
The event-driven forecasts were a game changer—campaigns no longer outpace supply. Replenishment accuracy jumped, dead stock fell, and even when suppliers slipped, we stayed in stock
Mark Till
Ecom & Ops Director at Face the Future
We have been doing a lot of research including a lot of trial and error of inventory optimisation platforms and Tightly is one of the most exciting propositions. Highly recommended.
Dan Gibbins
CEO at Red Light Therapy
Tightly cut our stockouts from 5% to 1% in 2 momths. Forecasts are spot-on and POs send themselves. We unlocked six-figure revenue and finally stopped living in emails and spreadsheets.
Alex Milliard
Ops Manager at Casetronics
The event-driven forecasts were a game changer—campaigns no longer outpace supply. Replenishment accuracy jumped, dead stock fell, and even when suppliers slipped, we stayed in stock
Mark Till
Ecom & Ops Director at Face the Future
We have been doing a lot of research including a lot of trial and error of inventory optimisation platforms and Tightly is one of the most exciting propositions. Highly recommended.
Dan Gibbins
CEO at Red Light Therapy
Tightly cut our stockouts from 5% to 1% in 2 momths. Forecasts are spot-on and POs send themselves. We unlocked six-figure revenue and finally stopped living in emails and spreadsheets.
Alex Milliard
Ops Manager at Casetronics
The event-driven forecasts were a game changer—campaigns no longer outpace supply. Replenishment accuracy jumped, dead stock fell, and even when suppliers slipped, we stayed in stock
Mark Till
Ecom & Ops Director at Face the Future
We have been doing a lot of research including a lot of trial and error of inventory optimisation platforms and Tightly is one of the most exciting propositions. Highly recommended.
Dan Gibbins
CEO at Red Light Therapy
Tightly cut our stockouts from 5% to 1% in 2 momths. Forecasts are spot-on and POs send themselves. We unlocked six-figure revenue and finally stopped living in emails and spreadsheets.
Alex Milliard
Ops Manager at Casetronics
The event-driven forecasts were a game changer—campaigns no longer outpace supply. Replenishment accuracy jumped, dead stock fell, and even when suppliers slipped, we stayed in stock
Mark Till
Ecom & Ops Director at Face the Future
We have been doing a lot of research including a lot of trial and error of inventory optimisation platforms and Tightly is one of the most exciting propositions. Highly recommended.
Dan Gibbins
CEO at Red Light Therapy
Tightly cut our stockouts from 5% to 1% in 2 momths. Forecasts are spot-on and POs send themselves. We unlocked six-figure revenue and finally stopped living in emails and spreadsheets.
Alex Milliard
Ops Manager at Casetronics
The event-driven forecasts were a game changer—campaigns no longer outpace supply. Replenishment accuracy jumped, dead stock fell, and even when suppliers slipped, we stayed in stock
Mark Till
Ecom & Ops Director at Face the Future
We have been doing a lot of research including a lot of trial and error of inventory optimisation platforms and Tightly is one of the most exciting propositions. Highly recommended.
Dan Gibbins
CEO at Red Light Therapy
Tightly cut our stockouts from 5% to 1% in 2 momths. Forecasts are spot-on and POs send themselves. We unlocked six-figure revenue and finally stopped living in emails and spreadsheets.
Alex Milliard
Ops Manager at Casetronics
The event-driven forecasts were a game changer—campaigns no longer outpace supply. Replenishment accuracy jumped, dead stock fell, and even when suppliers slipped, we stayed in stock
Mark Till
Ecom & Ops Director at Face the Future
We have been doing a lot of research including a lot of trial and error of inventory optimisation platforms and Tightly is one of the most exciting propositions. Highly recommended.
Dan Gibbins
CEO at Red Light Therapy
Tightly cut our stockouts from 5% to 1% in 2 momths. Forecasts are spot-on and POs send themselves. We unlocked six-figure revenue and finally stopped living in emails and spreadsheets.
Alex Milliard
Ops Manager at Casetronics
The event-driven forecasts were a game changer—campaigns no longer outpace supply. Replenishment accuracy jumped, dead stock fell, and even when suppliers slipped, we stayed in stock
Mark Till
Ecom & Ops Director at Face the Future
We have been doing a lot of research including a lot of trial and error of inventory optimisation platforms and Tightly is one of the most exciting propositions. Highly recommended.
Dan Gibbins
CEO at Red Light Therapy
Tightly cut our stockouts from 5% to 1% in 2 momths. Forecasts are spot-on and POs send themselves. We unlocked six-figure revenue and finally stopped living in emails and spreadsheets.
Alex Milliard
Ops Manager at Casetronics
The event-driven forecasts were a game changer—campaigns no longer outpace supply. Replenishment accuracy jumped, dead stock fell, and even when suppliers slipped, we stayed in stock
Mark Till
Ecom & Ops Director at Face the Future
We have been doing a lot of research including a lot of trial and error of inventory optimisation platforms and Tightly is one of the most exciting propositions. Highly recommended.
Dan Gibbins
CEO at Red Light Therapy
Tightly cut our stockouts from 5% to 1% in 2 momths. Forecasts are spot-on and POs send themselves. We unlocked six-figure revenue and finally stopped living in emails and spreadsheets.
Alex Milliard
Ops Manager at Casetronics
The event-driven forecasts were a game changer—campaigns no longer outpace supply. Replenishment accuracy jumped, dead stock fell, and even when suppliers slipped, we stayed in stock
Mark Till
Ecom & Ops Director at Face the Future
We have been doing a lot of research including a lot of trial and error of inventory optimisation platforms and Tightly is one of the most exciting propositions. Highly recommended.
Dan Gibbins
CEO at Red Light Therapy
Tightly cut our stockouts from 5% to 1% in 2 momths. Forecasts are spot-on and POs send themselves. We unlocked six-figure revenue and finally stopped living in emails and spreadsheets.
Alex Milliard
Ops Manager at Casetronics
The event-driven forecasts were a game changer—campaigns no longer outpace supply. Replenishment accuracy jumped, dead stock fell, and even when suppliers slipped, we stayed in stock
Mark Till
Ecom & Ops Director at Face the Future
We have been doing a lot of research including a lot of trial and error of inventory optimisation platforms and Tightly is one of the most exciting propositions. Highly recommended.
Dan Gibbins
CEO at Red Light Therapy
Tightly cut our stockouts from 5% to 1% in 2 momths. Forecasts are spot-on and POs send themselves. We unlocked six-figure revenue and finally stopped living in emails and spreadsheets.
Alex Milliard
Ops Manager at Casetronics
Buy with confidence and eliminate the hassle
Know what to order, and when to order it


Buy with confidence and eliminate the hassle
Know what to order, and when to order it


Buy with confidence and eliminate the hassle
Know what to order, and when to order it


FAQ
FAQ
FAQ
In case you missed anything
In case you missed anything
In case you missed anything
Who is Tightly for?
Do I still need Tightly if I already have an Inventory Management System (IMS)?
How is Tightly different from other providers?
What's the SKU limit in Tightly?
Is Tightly easy to set up?
Who is Tightly for?
Do I still need Tightly if I already have an Inventory Management System (IMS)?
How is Tightly different from other providers?
What's the SKU limit in Tightly?
Is Tightly easy to set up?
Who is Tightly for?
Do I still need Tightly if I already have an Inventory Management System (IMS)?
How is Tightly different from other providers?
What's the SKU limit in Tightly?
Is Tightly easy to set up?
Join the Inventory Revolution
Ready to grow?
From startups to scaling brands, merchants trust Tightly to stay in stock, automate replenishment and provide backordering to grow, without the guesswork
Platform
Resource
Company
Second Floor, Malta House, 36-38 Piccadilly, London, England, W1J 0DP
Tightly Ltd © 2025
Join the Inventory Revolution
Ready to grow?
From startups to scaling brands, merchants trust Tightly to stay in stock, automate replenishment and provide backordering to grow, without the guesswork
Tightly Ltd © 2025
Join the Inventory Revolution
Ready to grow?
From startups to scaling brands, merchants trust Tightly to stay in stock, automate replenishment and provide backordering to grow, without the guesswork
Platform
Resource
Company
Second Floor, Malta House, 36-38 Piccadilly, London, England, W1J 0DP
Tightly Ltd © 2025