An event specification document describes what the supplier has to deliver, in quantities and service levels that can be verified. It is structured in twelve sections: context, objectives, audience, format, venue, technical services, catering, welcome and access control, communication, safety and permits, governance, and administrative terms. Its job is not to tell the story of the event but to make what was promised indisputable.
The specification starts where the brief stops
The brief opens the thinking. The specification closes the ambiguities. The two documents have neither the same timing nor the same reader: the brief speaks to a creative director, the specification to a production director and a procurement department. If you are at the earlier stage, start with our guide on how to write an event brief.
| Criterion | Brief | Specification |
|---|---|---|
| Timing | Before the tender | After the supplier is chosen |
| Purpose | The intention and the intended result | Execution and deliverables |
| Author | Client | Client, with technical input |
| Typical length | 2 to 6 pages | 10 to 30 pages depending on scale |
| Legal weight | None | Contract annex |
| Effect of an omission | A question from the agency | A service that is not owed |
That last row sums up what is at stake. Whatever is not written in the specification is not owed, and will be billed as a change order.
The twelve sections to fill in
1. Context and stakes
Two paragraphs placing the event in the life of the organization: an anniversary, a launch, an annual convention, a trade show. This section keeps the supplier from making aesthetic or protocol decisions that miss the moment.
2. Objectives and indicators
Translate each objective into a measurable indicator, with a target value and a measurement method. Three to five indicators are enough. The full method is in our guide to measuring event success with the KPIs that matter.
3. Expected audience
Minimum, nominal and maximum capacity. Breakdown by type: employees, clients, partners, press, VIPs, suppliers. Origin and share of international attendees. This section alone drives the sizing of welcome, catering and emergency exits.
4. Format and program
Type of event, hour-by-hour operating period, planned sequences, highlights, switchover moments (doors opening, plenary, cocktail, teardown). State the times the venue is available before and after.
5. Venue
A set venue with its technical sheet attached, or search criteria: capacity, layout, accessibility, transport, nearby accommodation, delivery constraints. State who holds the rental contract.
6. Technical services
The section where specifications fall short most often, because it is usually written in terms of equipment rather than results. Describe what the setup must achieve, then let the supplier propose the specific gear.
- Sound: speech intelligibility across the whole area, number of simultaneous microphones, monitoring for speakers.
- Lighting: light levels for recording, looks per sequence, safety lighting.
- Image: projection surfaces or screens, readability distance, sources and redundancy.
- Power: total load, backup supply for critical circuits, distribution.
- Connectivity: dedicated bandwidth, an operations network separate from the public network, coverage of control areas.
- Structures and set design: load capacities, rigging plans, materials and fire ratings.
7. Catering
Number of covers per service, format (seated, standing dinner, food court, breaks), special diets and allergens, service times, expected throughput per serving point, beverage management, traceability and hygiene. State who carries food safety responsibility.
8. Welcome and access control
This section deserves as much precision as the technical one. State the identification method chosen, the expected entry throughput, the number of checkpoints, the re-entry policy, how service access is handled, and how the system must behave if connectivity is lost. A setup that validates offline and resyncs afterwards prevents the queue that ruins an opening. Our page on access control and accreditation explains the options available by capacity.
Add how personal data is handled: purpose, legal basis, retention period, processors, security measures. The topic is developed in event attendee data privacy.
9. Communication and recording
Invitation materials, registration page, reminders, on-site signage, photo, video, streaming, image usage rights and the duration of the license. State the delivery formats and the expected turnaround after the event.
10. Safety, permits and insurance
Security setup, first aid, evacuation plan, security headcount, permits to obtain and by whom, required insurance with coverage amounts, a weather or technical contingency plan. Name the owner of each procedure: this is the section where vague allocation costs the most.
11. Organization and governance
A single point of contact on the supplier’s side and on the client’s side, the rhythm of progress meetings, the approval chain, the procedure for changes during production, the decision chain during the event. State who makes calls on site, at what time and up to what amount.
12. Administrative and financial terms
Currency, payment schedule, revision terms, scope of fees, ownership of creative work, confidentiality, cancellation and postponement terms, any penalties, closing deliverables.
Closing deliverables, often forgotten
A complete specification lists what you get back after the event, with a deadline:
- An operations report with attendance figures by time slot and by entrance.
- The attendee file in the agreed format, purged according to the stated retention policy.
- Photo and video media, in high definition and web formats, with the list of rights.
- A final statement compared with the forecast budget, line by line.
- A written debrief on incidents and the fixes to plan for the next edition.
Without that last point, every edition starts from zero and you buy the same learning curve every year.
The four mistakes that make a specification unusable
- Writing equipment instead of results. Demanding a specific mixing console model shuts the door on equivalent, cheaper solutions.
- Forgetting quantities. “Sufficient welcome staff” binds no one. Write a headcount, a time span and a ratio per checkpoint.
- Mixing mandatory and nice-to-have. Mark every requirement as essential or optional; otherwise everything becomes negotiable when the budget gets cut.
- Not saying what happens when there is a gap. A commitment without consequences is not a commitment.
The international format
If the event is produced outside your home country, add the contract language, the billing currency, the type of tax documents expected and how the production lead will be present on site. For a procurement-oriented view of tenders in the region, see how to build an RFP for corporate events in LATAM. On these projects, a supplier’s value lies in its ability to recruit, train and run a local team according to your procedures, while keeping a single point of contact for the client.
Preparing a tender and want your template reviewed by producers who apply it in the field? Let’s talk about your project. We support brands and agencies on corporate and large-scale events, with more than 150,000 attendees accredited to date.