Halloween has grown into one of the UK's biggest seasonal moments. Costumes, sweets, pumpkins, parties and themed days out all see a spike, and social feeds fill up with spooky content for a couple of weeks. Even if your business has nothing to do with ghosts and ghouls, it's an easy, fun reason to show some personality and get people engaging with your page.
Here are 25 Halloween social media post ideas for UK businesses, from quick wins you can post this week to competitions, sector-specific ideas and how to carry the momentum into Bonfire Night and Christmas, plus captions and hashtags.
When is Halloween?
Halloween is always on 31 October. In 2026 it falls on a Saturday, and in 2027 it's on a Sunday, so both years give you a full weekend of celebrations to post around. In much of the UK it also lands during or just after October half-term, when families are looking for things to do, and Bonfire Night follows just five days later.
- Always 31 October
- Weekend in 2026 and 2027
- Half-term and Bonfire Night nearby
Why Halloween is worth posting about
Halloween is one of the few dates where people actively want playful, silly content from brands. That makes it brilliant for engagement: puns, costumes, competitions and behind-the-scenes fun all get more likes, comments and shares than usual. It's also the start of the run into Christmas, so it's a natural moment to remind people you exist before the busiest shopping season of the year.
You don't need to sell anything Halloween-themed to take part. A bit of personality and a clever tie-in to what you do is enough. Halloween is in our free UK social media calendar for 2027, along with 200+ other dates worth planning for.
Easy Halloween posts you can do this week
Short on time? These take minutes and still look like you've made an effort.
Give your brand a spooky makeover
Swap your profile picture or cover image for a Halloween version of your logo for the week. Orange, black and a few cobwebs go a long way.
Decorate and show it off
Pumpkins on the counter, bats in the window, cobwebs in the van. A quick photo of your decorated workplace is easy and fun.
Dress up the team
Costumes at work, even just a hat or a pair of ears, make for great photos and short videos. Make it optional, of course.
Post your best Halloween pun
Something like "We're dying to see you" or "Our prices are frightfully good". The cheesier the better, as long as it's on brand.
Share a pumpkin carving
Carve your logo or something related to your business into a pumpkin and post a time-lapse. It's a crowd-pleaser every year.
Update your Google Business Profile
Add a Halloween post there too, especially if you have special opening hours or a themed offer. Here's why posting on your Google Business Profile matters.
Posts that get people joining in
Halloween is perfect for interactive content, because people are already in a playful mood.
Trick or treat giveaway
Run a prize draw where entrants like, comment and tag a friend. Offer a few "treats" at different levels to encourage entries. Check each platform's competition rules first, and our guide to running a Facebook competition walks you through it.
Costume competition
Ask followers to share their costumes, or their pets' costumes, and tag you. Choose a winner and share the best entries with permission.
Pumpkin carving contest
Invite customers to post their carved pumpkins. Families love it during half-term, and it fills your feed with great user content.
Trick or treat polls
Run Stories polls: trick or treat, sweet or sour, scary film or cosy night in. Quick taps boost your engagement with very little effort.
Guess the costume
Post a close-up or silhouette of a team member's costume and ask followers to guess who or what it is.
Spooky story or caption contest
Share a slightly eerie photo related to your business and ask people to write the best caption. Funny always beats scary.
Halloween ideas tailored to your business
Hospitality: themed menus and nights
A Halloween cocktail, a spooky bake or a themed party night. Post the dish or drink being made and push bookings early.
Retail and ecommerce: a limited edition
A Halloween-themed product, bundle or packaging for one week only creates urgency without needing a big discount.
Trades and home services: home horrors
The scariest things you've found in lofts, under floors or behind walls. Before-and-after photos of a "house of horrors" job are pure gold.
Garages and automotive: the haunted car
Strange noises, warning lights and mystery rattles. Turn the most common scary car problems into a fun post that also books in checks.
Salons and beauty: Halloween looks
Show off a Halloween nail design, hair colour or make-up look, and take bookings for party appointments.
B2B and professional services: business horror stories
The scariest mistakes you see clients make, from lost receipts to expired insurance. Spooky framing, genuinely useful advice.
Pets and vets: Halloween safety
Remind owners to keep chocolate and sweets away from pets, and share a few calm tips for nervous animals with doorbells ringing all night.
Keep the momentum going
Halloween is the start of the busiest season of the year, so use it as a springboard.
Share the best bits
A carousel or reel of costumes, decorations and competition entries the day after makes a great round-up post.
Announce your winners
Announce competition winners publicly, tagging them if they're happy to be tagged. It builds trust for your next giveaway.
Move straight into Bonfire Night
Bonfire Night on 5 November is the perfect follow-up. Share safety tips, local events or a cosy autumn offer.
Tease Black Friday and Small Business Saturday
November is busy. Start hinting at what's coming, and see our Black Friday and Small Business Saturday post ideas.
Start the Christmas countdown
Many people start Christmas shopping in early November. Get your gift ideas out early with our Christmas post ideas.
Ask for reviews
If customers enjoyed a Halloween event, menu or product, ask for a quick review while it's fresh. Here's how to encourage more reviews.
Example Halloween captions
A little cheesy is expected. Swap in your details and you're ready to haunt the feed.
Trick or treat? We've got treats for three lucky followers this Halloween 🎃
To enter, like this post, follow us and tag a friend who'd love a treat.
Every extra tag is an extra entry.
Winners announced on 1 November. Good luck, ghouls!
Things got a little spooky at work today 👻
The team swapped uniforms for costumes, and we're not sure the witch has been this productive all year.
Can you guess who's who?
Drop your guesses in the comments.
The scariest thing we've found this year? This loft 🕸️
Cobwebs, mystery wires and something we're still not sure about.
If your home has a few horrors of its own, we're not scared.
Message us to book a visit before the winter sets in.
Halloween hashtags
Pick a few broad ones and add something specific to your business or town.
- #Halloween
- #SpookySeason
- #TrickOrTreat
- #HalloweenCostume
- #PumpkinCarving
- #HalloweenUK
- #ShopLocal + your town
Tips to get Halloween right
Keep it on brand
A Halloween twist works best when it's still clearly you. Keep your logo, voice and colours recognisable underneath the cobwebs.
Fun beats frightening
Your audience includes children and people who don't like horror, so keep it playful rather than gory or genuinely scary.
Be respectful with costumes
Avoid costumes or imagery that stereotype cultures, religions, disabilities or mental health. It's not worth the backlash.
Keep your call to action clear
Enter, book, order or share. Pick one per post. Here's how to choose the right call to action.
Halloween FAQs
When is Halloween in 2026 and 2027?
Halloween is always on 31 October. In 2026 it falls on a Saturday, and in 2027 it's on a Sunday.
Does my business need to be Halloween-themed to post about it?
No. Any business can join in with a spooky twist on its branding, a team dress-up, a pun or a playful competition. It's about showing personality, not selling Halloween products.
When should I start posting Halloween content?
Start about two weeks before, around the start of October half-term, then post a few times on the day and round things off with a highlights post afterwards.
How do I run a Halloween competition on social media?
Keep entry simple, such as liking, commenting and tagging a friend, set a clear closing date, check each platform's competition rules, and announce winners publicly.
Can 99social create my Halloween posts?
Yes. 99social plans, designs, writes and schedules content for UK small businesses from £99+VAT a month, with key dates like this built in. See our social media management for small businesses.
