A month before an event, a substantial share of the audience may still be deciding whether to attend. Maritz analysed more than 360,000 registrations across 30 trade shows and found that 45 per cent of attendees signed up four weeks or less before the event, 13 per cent in the final week and 9 per cent on site. A campaign that spends most of its budget and effort on the early-bird launch risks losing momentum during this final decision period.
That gap usually shows up in a meeting. Six weeks out, your managing director looks at a flat registration curve and asks whether the event is in trouble. Often it is not. The registration pattern may be typical for the event, but the campaign did not account for it. This guide shows you how to build a B2B event marketing plan that expects the late surge, splits your audience and your budget sensibly, and gives people a reason to register that goes beyond the agenda: the meetings they can book before they arrive.
What is a B2B event marketing plan?
A B2B event marketing plan is the written schedule for filling an event with the right people. It sets registration goals per audience segment, counts the campaign backwards from event day, gives each phase one core message, splits the marketing budget across channels and defines the metrics you review each week. Unlike a promotion checklist, it decides who you need, by when, and what will convince them.
The plan gives individual activities, such as LinkedIn posts and newsletters, a clear purpose. It defines each channel’s role, budget and timing.
Set measurable registration goals
Begin with a target your team can measure. “Raise awareness” cannot be checked six weeks out. “420 paying attendees, of whom 150 are buyers with budget responsibility” can.
Work the target backwards. Suppose you run a 500 person conference for an industry association. Sponsors and exhibitors bring 80 people, speakers and staff another 40. That leaves 380 attendees to win through marketing. If 30 per cent of last year’s attendees return, about 115 come from your own list. The remaining 265 need to be new attendees, who generally take more effort and budget to reach.
Now add the goals that tell you whether the right people came:
- Registrations by segment: returning members, new members, buyers, partners. High attendance alone does not show whether you reached your intended audience.
- Meetings booked per attendee: if your event sells business contacts, this is the number sponsors and exhibitors will judge you on.
- Cost per registration by channel: the only fair way to compare a LinkedIn campaign with a partner mailing.
These three metrics provide a manageable starting point for weekly reviews.
Split the audience before you split the budget
Once you know how many people you need, ask who they are. Most B2B events draw on four or five groups, and each group needs a different reason and a different channel. A returning member wants to know what is new; a first-time buyer wants to know who else will attend. A tailored email gives each a more relevant reason to register.
| Segment | What convinces them | Strongest channel |
|---|---|---|
| Past attendees and members | What is new this year, the early price, who they met last time | Email to your own list |
| New prospects in your target group | Who else attends, concrete business value, peer proof | LinkedIn paid and organic, search |
| Buyers and decision makers | Pre-booked meetings with relevant suppliers, time well spent | Personal invitation and direct outreach |
| Partners’ and sponsors’ networks | Their partner’s recommendation, a discount code | Co-marketing through partners and exhibitors |
| Speakers’ followers | The speaker’s own session and a reason to see it live | Speaker posts and short videos |
The table already hints at the budget. Reaching an established mailing list generally costs less than attracting new prospects.
Build the timeline backwards from event day
With goals and segments in place, the calendar follows. Count it backwards from the day the doors open.
The Maritz data explains why. Registrations do not grow in a straight line. A first wave comes with the early bird, the curve flattens for weeks, and the second wave arrives in the final month.
Registration timing
When conference attendees register
In that sample, 45 per cent registered in the last four weeks or on site. The sector shifts the curve: at medical and healthcare conferences only 29 per cent registered that late, at food and restaurant shows 54 per cent. Check your own curve from last year before you copy any template. Whatever it shows, keep a real share of your paid budget for the final month.
Campaign calendar
A B2B event marketing timeline, counted back from event day
- T-6 months Foundations Goals by segment, budget split, event website and registration live, save the date to past attendees.
- T-4 months Early bird Price incentive to your own list and partners, first speakers announced one by one.
- T-3 months to T-6 weeks Programme phase Release the programme in stages, start paid LinkedIn, brief partners and exhibitors with ready-made posts.
- T-6 weeks Meetings open and review Open attendee profiles and meeting requests, compare registrations by segment with last year's curve, move money to what works.
- T-4 weeks to T-1 day Last call Spend the reserve, true deadlines, final programme, remaining meeting slots.
- Event day On site On site registration, live posts, meeting reminders for booked attendees.
- T+2 weeks Follow up and review Thank you mail, recordings, cost per registration per channel, plan next year's split.
The review at six weeks is the moment the plan pays off. Picture it: registrations stand at 210 of 380. On a straight line from launch to event day, you are far behind. On last year’s curve, you are on track, because last year you also stood at 55 per cent at this point. Bring that comparison to your managing director, and the discussion can focus on whether any adjustments are needed.
One message per phase
The timeline tells you when to speak. The message tells you what to say, and it should change as the event comes closer. A campaign that repeats “Join us in May” for five months trains people to ignore it.
- Early bird: price and certainty. A deadline with a clear saving works for returning attendees who already know they will come. How deep the discount should be, and how many price steps make sense, is covered in our guide to ticket pricing strategies for B2B events.
- Programme: content and people. Announce speakers and sessions, and show who attends by role and sector, with the attendees’ permission.
- Meetings: what they will take home. The number of companies already arranging meetings, the buyer groups present, the time slots still open.
- Last call: urgency that is true. A price step, the remaining meeting slots, the final programme. Fake scarcity is noticed quickly in B2B, and your list remembers it next year.
Each phase hands over to the next. Write the last call email before the first one goes out.
Make relevant meetings part of your message
The third phase in that list is the one most plans leave out. Most event marketing sells the agenda: speakers, panels, keynotes. In B2B, the agenda is often not the reason people book. Forrester’s Q1 2026 State of B2B Events Survey of 400 event decision makers found that two thirds of organisations plan more workshops, roundtables and structured networking, while only 18 per cent plan more large hosted events. These plans place greater emphasis on discussion and interaction.
Yet organisers struggle to deliver them. In Bizzabo’s 2026 State of Events benchmark, only 15 per cent of organisers rated their networking as very effective, down sharply from 2025. That gap is your opportunity. If you can promise, and keep, a defined number of relevant meetings, you sell something most events cannot.
Think about the buyer who needs approval to travel. “Four meetings with suppliers we are evaluating, already in my calendar” gives her manager a more concrete reason to approve the trip than “an interesting programme”. That sentence is your strongest piece of marketing, and the attendee writes it for you.
So treat matchmaking as a phase of the campaign, not as a feature people discover on site:
- Open attendee profiles and meeting requests about six weeks before the event, so meeting booking runs alongside your last call.
- Use the booking data in your messages. “140 companies are already arranging meetings” gives prospects a concrete sign of participation.
- Send registered but inactive attendees a reminder with three suggested contacts. It brings them back and makes them more likely to turn up.
Linda Hull, who runs the TC3 Summit of the Telecom Council of Silicon Valley, put the key point simply in our interview on the timing of pre-event matchmaking: “Messaging is key!” Delegates only use the matchmaking if the campaign has explained it to them first.
With Converve, the meeting programme becomes part of your campaign. Attendees fill in profiles with their interests, segment and role, and your team sets the rules for who can be suggested to whom in a configurable meeting matrix. Booked meetings land in free slots in both agendas, and the booking numbers give your last call emails real proof. See how B2B matchmaking on the Converve platform works.
Useful meetings give attendees something tangible to take back to work.
Channel mix and budget split
Messages need channels, and channels need money. There is no reliable industry benchmark for splitting an event marketing budget between channels, so treat precise percentage recommendations with care. What exists is context. HubSpot’s State of Marketing 2026 reports that events take 24 per cent of B2B marketing budgets, the largest single channel. Our event budget template sets marketing and attendee acquisition at 8 to 15 per cent of an event’s total cost. Within that budget, allocate spending according to your audience segments.
| Channel | Share of marketing budget | Main job | Main segment |
|---|---|---|---|
| Email and your own database | 10 to 15 per cent | Early bird, reminders, last call | Past attendees, members |
| LinkedIn paid and organic | 30 to 35 per cent | Reach new prospects by role and sector | New prospects |
| Search and retargeting | 10 to 15 per cent | Bring back people who already showed interest | New prospects |
| Partner, sponsor and exhibitor co-marketing | around 10 per cent | Codes, mailings and posts by partners | Partners’ networks |
| Content: speaker videos, programme pages, press | around 15 per cent | Give every other channel something worth sharing | All segments |
| Reserve for the final four weeks | 15 to 20 per cent | Push what works when 45 per cent decide | Whichever segment is behind |
Read the table as a starting split for a 500 person B2B conference, not as a rule. A first edition without a list leans harder on LinkedIn and partners. Which LinkedIn formats deliver registrations rather than impressions, from Event Ads to lead forms, we break down in our guide to promoting events on LinkedIn. Email costs little money but depends on a clean list and a good rhythm, which our ten steps to successful event newsletters cover in detail.
The reserve is the line most plans forget. It is also the line that answers your managing director in week six. You still have money to fix what is behind.
What to measure
Connect campaign spending to the registrations it generates. Vendelux’s 2026 B2B Events Survey found that 86 per cent of event leaders cannot cleanly attribute the return of their events. Often the reason is simple: tracking was set up after the campaign had started.
Set it up before the first email goes out:
- Tracking links (UTM parameters) per channel and per partner, so every registration has a source.
- Registrations per segment against your weekly target curve.
- Cost per registration per channel, recalculated at the six week review.
- Meetings requested, accepted and held per attendee.
- Show-up rate per segment and channel, because a cheap registration that never arrives is not cheap.
The last point needs a clear definition before you compare anything. Which base you count from changes the result more than attendee behaviour does, as we show in our article on event meeting no-shows. And once the event is over, these figures feed straight into the return calculation your board will ask for, which our guide on how to measure B2B event ROI walks through step by step.
After the event, your managing director will ask a second question: what worked? With data per source, next year’s split comes from your own numbers, not from a template.
Frequently Asked Questions
How far in advance should you start marketing a B2B event?
Start four to six months before a conference with 300 to 1,000 attendees, and earlier for a large trade show that also sells exhibition space. Keep a strong push for the final four weeks: Maritz found that 45 per cent of conference attendees register four weeks or less before the event (Maritz Registrations Insights Report, 2024).
What should an event marketing plan include?
Registration goals by audience segment, a timeline counted back from event day, one core message per phase, a channel mix with a budget split, and the metrics you check every week. Add a reserve for the final month and set up tracking before the campaign starts.
How much of the event budget should go to marketing?
There is no fixed industry rule. Our own budget template uses 8 to 15 per cent of total event costs for marketing and attendee acquisition, with the upper end for a first edition without a list of past attendees. Within the marketing budget, keep 15 to 20 per cent in reserve for the last four weeks.
What is the best channel to promote a B2B event?
Email to your own list is usually the cheapest source of registrations. LinkedIn is the strongest channel for reaching new prospects by job title and sector. Partners, sponsors and speakers add reach at little cost. The right mix depends on how many of your target attendees are already on your list.
What is the difference between an event marketing plan and an event marketing strategy?
The strategy decides why the event exists and whom it should reach. The plan turns that into dates, messages, channels, budget lines and weekly targets. You need the strategy first, but the plan is what your team works from every day.
Conclusion: plan for the late surge and sell the meetings
A useful B2B event marketing plan accounts for late registrations and gives prospective attendees clear reasons to take part, including the people they can meet. Build the timeline backwards from event day, keep money for the final month and give each phase one clear message. Above all, sell the meetings people will have, not just the programme they will watch.
This gives the six-week review a clear focus. You compare against last year’s curve, move the reserve to the segment that is behind, and show your managing director the meetings that are already booked.
Want to make pre-booked meetings part of your next campaign? Get in touch with Converve.
