Key takeaways
- Create one group per vendor or service line: HVAC, elevators, cleaning, landscaping, security.
- Vendors join as guests and see only the group they were invited to.
- Use one request format: location, issue, priority, access, photo.
- Vendors close requests with a photo reply in the same thread.
- Remove vendor guests when a contract ends; the history stays with you.
A facility manager might work with a dozen vendors in a single week: HVAC, elevators, fire systems, janitorial, landscaping, pest control, security. Each one needs access instructions, a clear description of the problem and a way to report back. When this lives in personal phones and long email chains, requests slip, vendors arrive at the wrong entrance and nobody can show when a problem was reported or fixed.
Why facility vendor coordination breaks down without a system
Facility teams describe the same failures:
- Requests without context. “The AC in the east wing isn’t working” with no floor, room or photo.
- Access confusion. The vendor arrives, but security wasn’t told and the loading dock is locked.
- No close-out. The job is done, but nobody tells the facility team, so the occupant keeps complaining.
- Personal numbers. The building engineer texts the vendor’s technician directly; when either leaves, the history leaves too.
- Old vendors still connected. A contract ends, but the vendor remains in a group with building details.
General guidance on supplier channels is in vendor and supplier communication.
The workflow in C Chat
- Create a group per vendor or service line inside your facility team, for example “Vendor – HVAC – [Company]”.
- Invite the vendor’s dispatcher and lead technician with guest access by link, email, SMS or WhatsApp.
- Pin the site essentials: addresses, entrances, loading dock rules, security contact, parking, insurance or induction requirements.
- Post each request using the format below.
- The vendor confirms with a reply including the ETA.
- Close-out: the technician replies to the request with a photo of the completed work and any follow-up needed.
If a vendor visit needs security to open a door or escort a technician, post the access request in the security liaison group too, or invite the security supervisor to the vendor group.
Group setup and message template
Pin this request format in every vendor group:
Request – [building / floor / room] Issue: [what’s wrong] Priority: urgent / today / this week Access: [entrance, contact on site, hours] Photo: attached Ref: [your work order number, if any]
Close-out – [building / room] · Done: [what was done] · Follow-up: [none / parts on order / quote to follow] · Photo attached
The reference line links the chat to your formal work order system, so both records point to the same job.
Roles, oversight and records
| Role | Group membership | Responsibility |
|---|---|---|
| Facility manager (admin) | All vendor groups + internal | Invites and removes vendors, sets priorities |
| Building engineer | All vendor groups | Posts requests, verifies close-out |
| Vendor dispatcher (guest) | Own vendor group | Confirms, assigns technicians |
| Vendor technician (guest) | Own vendor group | Updates, close-out photos |
Messages are encrypted in transit with TLS and at rest with AES-256 using your organization’s key. Owners and admins can audit and export group conversations, useful for contract reviews and SLA disputes. If your procurement or IT team asks how this compares with other tools, the guide on evaluating a vendor’s encryption claims gives them a neutral checklist.
Common mistakes to avoid
- One group for all vendors. Vendors would see each other’s work and your building details. Use one group per vendor.
- Inviting a vendor to an internal group. Keep internal discussions about vendor performance in a separate group.
- Requests without photos. One photo prevents a wasted trip.
- Not removing ended contracts. Remove guests when a contract ends.
Related workflows include tenant-facing maintenance in property maintenance requests and vendors, contractor coordination during renovations in subcontractor coordination, and janitorial contracts in cleaning crews at client sites. Care homes coordinating outside providers, described on the senior care page, use the same structure. For the industry overview, see facility management team communication.
Getting started
Start with the vendor you call most often. Create their group at getcchat.com/c, pin the site essentials and invite their dispatcher. Post your next request there using the template. C Chat is free for now; check the current limits.
Frequently asked questions
How do facility managers communicate with vendors?
Typically through email, phone calls and a work order system. A vendor group in C Chat adds fast back-and-forth for site access, clarifications and photo close-out, while your work order system remains the formal record of the job.
Is C Chat a CMMS or work order system?
No. C Chat is a messenger. It does not create work orders, track asset histories or schedule maintenance. Many facility teams use it alongside a CMMS for the conversations around each job.
Can vendors see other vendors' groups?
No. Each guest only sees the groups they were invited to. Your HVAC contractor won't see the elevator vendor's group or your internal team groups.
How do I evaluate whether a messaging tool is secure enough for vendor communication?
Ask how messages are encrypted in transit and at rest, who can access content and when, and how access is removed. C Chat uses TLS in transit and AES-256 at rest with per-organization keys, and owners and admins can audit and export group conversations.