The verdict in three sentences
For a 270,000 sq ft (25,000 m²) warehouse in the Toronto area where carriers wait 2 hours on average, a dock appointment scheduling platform costs 300 to 900 EUR a month as SaaS, 12,000 to 30,000 EUR as a custom build from a traditional agency (market estimate), and 6,100 to 10,670 EUR in the Kolonell grid, WMS integration by API included. Go-live takes 8 to 10 weeks. In our assumption, avoided detention fees, smoothed overtime and a freed-up phone line add up to about 108,000 EUR a year, which makes the project profitable whichever option you choose.
What a dock scheduling platform does
Truck waiting time rarely comes from a lack of doors. It comes from arrivals bunched between 6 and 10 a.m., bookings by phone or email that nobody consolidates, and a receiving team that discovers volumes when the truck shows up. The platform spreads arrivals and gives the dock supervisor an advance view of the day.
| Module | User | Expected effect | Share of budget |
|---|---|---|---|
| Online slot booking by carriers | Carriers, suppliers | No more phone bookings | 25 % |
| Capacity rules (doors, goods type, minutes per pallet) | Warehouse manager | Realistic slots based on announced volume | 15 % |
| WMS integration by API (purchase orders, ASN) | System | Slot linked to the expected order | 25 % |
| Gate check-in (QR code, licence plate) | Gatehouse, dock supervisor | Arrival logged in 30 seconds | 10 % |
| SMS and email notifications (confirmation, delay, door assigned) | Drivers | Less waiting at the gate | 10 % |
| Dashboard (on-time rate, unloading time) | Management | Carrier and supplier performance tracking | 15 % |
WMS integration is the decisive item: it lets you refuse a slot with no matching order and prepare the putaway location before the truck arrives.
Avoided detention fees and ROI
Assumptions (2026 order of magnitude, figures in EUR at Toronto cost levels, to validate on your data): 40 inbound trucks a day, 250 working days, or 10,000 trucks a year. 15 % of carriers actually bill detention beyond the free time, on average 1 hour at 60 EUR.
| Lever | Current situation | With the platform | Annual gain (EUR) |
|---|---|---|---|
| Detention fees billed | 90,000 EUR a year | Cut by 80 % | 72,000 |
| Receiving overtime | 2 forklift operators, 1.5 h a day at 32 EUR | Cut by 60 % through smoothing | 14,400 |
| Phone booking | 3 h a day at 35 EUR | 30 minutes a day | 21,875 |
| Average truck wait | 2 hours | About 30 minutes | Better carrier relationships |
| Total quantified gains | 108,275 |
The unquantified gain matters too: a warehouse known for long waits pays more for freight, because carriers price that risk into their rates.
SaaS, traditional agency or Kolonell: the 3-year cost
| Option (EUR) | Setup | Annual recurring | 3-year total |
|---|---|---|---|
| Dock scheduling SaaS (600 EUR a month) | 2,500 | 7,200 | 24,100 |
| WMS connector billed by the vendor (market estimate) | 3,000 | Included | 3,000 |
| SaaS subtotal | 27,100 | ||
| Custom build, traditional agency (market estimate) | 21,000 | 3,600 | 31,800 |
| Kolonell custom build, WMS API included | 9,500 | 2,220 | 16,160 |
Kolonell recurring costs combine hosting estimated at 900 EUR a year and Standard maintenance at 110 EUR a month (75,000 FCFA). SaaS remains a good choice if your WMS already has a certified connector with the vendor and your capacity rules are standard. Custom build pulls ahead when rules are specific: temperature-controlled goods, doors dedicated to a client, priority slots for major retailers.
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Illustrative example: Priya, site manager of a 270,000 sq ft third-party logistics warehouse in Mississauga, serving three retail chains. She receives 40 trucks a day and pays around 7,500 EUR a month in detention fees.
She chooses a custom platform at 9,500 EUR, connected to her WMS. Year one: 9,500 + 2,220 = 11,720 EUR. With 108,275 EUR of yearly gains, roughly 9,000 EUR a month, the investment is recovered in under 2 months. Counting only avoided detention (6,000 EUR a month), payback is still 2 months.
FAQ
Will carriers actually use it?
Yes, if booking takes under 2 minutes and needs no complicated account. Allow 4 to 6 weeks to reach 80 % online bookings, while keeping a walk-in slot for unplanned arrivals.
Which WMS can be integrated?
Any WMS exposing an API or exchange files (ASN, purchase orders): Manhattan, Blue Yonder, SAP EWM, Körber or an in-house WMS. Feasibility is checked during the first 2 weeks of scoping.
How long until go-live?
8 to 10 weeks: 2 for scoping, 5 to 6 for development and 1 to 2 for a pilot on one door or one supplier before opening to all carriers.
Does the platform handle outbound as well as inbound?
Yes, the same slot engine applies to pickups. Adding outbound at launch represents about 15 % extra budget, within the stated range.
What does maintenance cost?
At Kolonell, 35,000, 75,000 or 120,000 FCFA a month (50, 110 or 180 EUR) depending on service level. A site with 40 inbound trucks a day fits the Standard level.
Let's scope your project. Dock appointment platform with capacity rules, gate check-in and WMS integration by API: indicative budget 6,100 to 10,670 EUR (4,000,000 to 7,000,000 FCFA), live in 8 to 10 weeks. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
