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Office & Corporate Party Guide

Professional food planning for work events

5 min read | Last updated: August 7, 2026

Estimates based on USDA serving guidance and standard catering portions. See our method.

Professional Party Planning

Office catering splits into two formats, and the quantities differ. A working lunch is a meal: people eat at desks or in a conference room, expect to be full, and usually have 30 to 60 minutes. Budget for a full plate per head, roughly 1 to 1.25 lbs of food per person across all dishes. An after-work party is grazing: drinks, snacks, and finger food eaten standing up over 2 to 3 hours. There people pick rather than sit down, so 8 to 12 small bites per person plus drinks is enough, closer to 0.5 to 0.75 lbs of food per head. Decide which one you are running before you order anything, because a lunch order at a party serves twice as many people as you have, and a party order at lunch leaves a room of employees still hungry at 1 p.m.

The other rule that separates office events from home gatherings is headcount. Order to a confirmed RSVP, not to the size of the invite list. Send a calendar invite or form that requires a yes or no, set the deadline 3 to 4 business days out, and order to the count of confirmed yeses plus a 10% buffer. For a recurring weekly lunch, attendance settles within a few sessions and the buffer can drop to 5%. Skipping RSVP discipline is the single biggest cause of office catering waste: an open invite to 60 people where 35 actually show means you either overpay by 70% or you guess.

Crowd-Pleasing Safe Options

1. Sandwich Platters

Sandwich and wrap platters are the default office lunch for a reason: they hold at room temperature for the length of an event, need no plates or reheating, and a catering tray feeds a known number. Most deli platters are built as halves, so plan 1.5 halves (0.75 of a whole sandwich) per person for a grazing party and 2 to 2.5 halves (1 to 1.25 whole) per person for a working lunch where it is the main dish.

  • Order trays pre-cut into halves so one tray stretches across more people
  • Keep at least 20 to 30% of the platter meat-free (caprese, hummus and roasted veg, egg salad)
  • Label every variety with its protein and the top allergens it contains: gluten (bread), dairy (cheese), eggs (mayo), and any nuts in pesto
  • Avoid wet or messy fillings (sloppy joes, pulled pork, heavy oil dressings) that fall apart at a desk
  • Add a starch or side for a true lunch: chips or a pasta or grain salad turns a platter into a meal

Calculate sandwiches for your event →

2. Veggie Tray

A veggie tray covers the vegetarian, vegan, and gluten-free guests at once and is the cheapest way to widen your dietary range. With hummus it is naturally vegan; with ranch keep the two dips in separate bowls so the vegan option stays uncontaminated.

  • Plan for 1/2 cup (about 2.5 oz) per person as a snack alongside other food
  • Include 5 to 6 varieties (carrots, celery, peppers, cucumber, cherry tomatoes, broccoli)
  • Serve hummus and ranch in separate bowls; label the hummus vegan and the ranch as containing dairy
  • Cut everything to bite size so guests do not need a plate or knife

Calculate veggie tray for your event →

3. Cheese Tray

A cheese tray suits an after-work party better than a working lunch, since it is a grazing food rather than a meal. It appeals broadly but is not vegetarian-only food: pair it with the veggie tray and fruit so non-cheese eaters have something too.

  • Plan for 2 oz per person when it is one of several snacks, 3 to 4 oz if it anchors the spread
  • Include familiar cheeses (cheddar, swiss) plus 1 to 2 specialty options
  • Pre-slice or cube part of the tray so the line keeps moving
  • Add crackers, grapes, and nuts, and label the nuts clearly as an allergen

Calculate cheese tray for your event →

4. Salad

A large salad is the lighter half of a working lunch and the easiest dish to make vegan. Build it plain (greens, vegetables, a grain) and put proteins and dressings on the side so one bowl serves meat-eaters, vegetarians, and vegans from the same container.

  • Plan for 1.5 cups per person as a side, 3 cups if the salad is the main lunch
  • Keep dressing on the side so the greens do not wilt during a long event
  • Offer 2 to 3 dressings and include at least one that is vegan (oil and vinegar or a tahini dressing)
  • Set optional grilled chicken or chickpeas beside the bowl rather than mixed in

Calculate salad for your event →

Desserts for the Office

Cookies

Cookies travel well, need no plates, and a bakery sells them by the dozen, which makes the count easy.

  • Plan for 2 cookies per person
  • Offer 3 varieties such as chocolate chip, oatmeal raisin, and sugar
  • Order at least one gluten-free or vegan batch so dessert is not off-limits to those guests, and label it
  • Flag that standard cookies contain gluten, dairy, and eggs, and note any with nuts

Calculate cookies →

Brownies

Brownies are easy to portion and feel more substantial than a cookie for the same effort.

  • Plan for 1.5 brownies per person
  • Cut into 2-inch squares; a 9x13 pan yields about 24, so one pan covers roughly 16 people
  • Standard brownies contain gluten, dairy, and eggs, and many contain walnuts: label them

Calculate brownies →

Drinks

  • Plan for 1 drink per person per hour (about 2 per head at a 2-hour event), plus water always available
  • For a working lunch, coffee and water carry the room; one cold drink per person is plenty
  • For an after-work party, budget 1.5 to 2 non-water drinks per hour and provide plenty of ice
  • Provide regular and decaf coffee, and include a sparkling water or zero-sugar option
  • Keep alcohol optional and matched to workplace policy; never make it the only drink, and offer equally visible non-alcoholic choices

Calculate drinks →

Sample Menu for 20 People

Professional Office Party

  • ๐Ÿฅช Sandwich Platters 25 sandwiches
  • ๐Ÿฅ• Veggie Tray 10 cups vegetables
  • ๐Ÿง€ Cheese Tray 2.5 lbs cheese
  • ๐Ÿฅ— Salad 30 cups
  • ๐Ÿช Cookies 40 cookies
  • ๐Ÿฅค Drinks 40 drinks + coffee
  • Estimated Cost $200-350

Dietary Accommodations

Corporate events require thoughtful dietary planning:

  • Vegetarian: Ensure at least 25% of options are meat-free
  • Vegan: Label vegan items clearly; include hummus, fruit, and veggie options
  • Gluten-free: Offer gluten-free crackers and clearly labeled options
  • Kosher/Halal: Consider if you have employees who observe these requirements
  • Allergies: Label common allergens (nuts, dairy, gluten, shellfish)
  • Send a survey: For important events, survey attendees about dietary needs

Presentation for Professional Settings

  • Use matching serving platters and utensils
  • Provide real plates and napkins when possible (not flimsy paper)
  • Label all items with ingredient cards
  • Keep the food area clean and refreshed throughout the event
  • Position food away from work areas to encourage mingling
  • Set up trash/recycling bins nearby for easy cleanup

Budget per Person

Typical Corporate Event Budgets

  • Light refreshments (drinks, snacks) $5-10/person
  • Lunch or dinner (buffet style) $15-25/person
  • Catered event (full service) $25-50/person
  • Premium catering $50+/person

Catering vs DIY

Consider these factors when deciding:

Order Catering When:

  • You have 30+ attendees
  • The event is for clients or executives
  • You need hot food
  • No one has time to coordinate food pickup/setup
  • The event is during work hours and staff can't step away

DIY Food When:

  • Budget is limited
  • Small team (under 20 people)
  • Casual celebration (birthday, casual Friday)
  • You have volunteers willing to help
  • Simple menu (sandwiches, cookies, drinks)

Timeline for Corporate Events

  • 2 weeks before: Confirm headcount, book catering if needed, send dietary survey
  • 1 week before: Finalize menu, confirm delivery time, assign setup volunteers
  • Day before: Confirm all orders, check serving supplies, print labels
  • Day of (2 hours before): Set up tables, arrange serving area
  • Day of (30 min before): Receive catering or arrange food, final touches

Common Mistakes to Avoid

  • Forgetting vegetarian/vegan options
  • Not having enough ice or cold drinks
  • Ordering too much hot food that goes to waste
  • Placing food too close to work areas (blocking access)
  • Running out of napkins, plates, or utensils
  • Forgetting to check for food allergies

Quick Calculators

Real Planning Scenario and Tradeoff Signals

Scenario baseline: 60-person office lunch service. Professional service focused on dietary diversity, pacing, and low-disruption setup.

Failure Cases Seen in This Scenario

  • โ€ขUnder-ordering vegetarian and gluten-aware options for mixed teams.
  • โ€ขLate setup that disrupts meeting schedules and service flow.
  • โ€ขNo labeling and staff uncertainty around allergens.

Budget Tradeoffs for Better Coverage

  • โ€ขKeep one premium tray and scale the rest with predictable staples.
  • โ€ขInvest in clear labeling and service layout for faster throughput.
  • โ€ขUse mixed sandwich + salad model to reduce protein-heavy overages.

Baseline menu: $560. A +10 guest plan usually lands near $635 (+$75 delta).

Execution Timing Plan

  1. T-1wCollect dietary requirements and finalize service window.
  2. T-2dConfirm delivery and room access logistics.
  3. T-45mSet stations by dietary category with clear labels.
  4. ServiceRefresh high-turn options every 20-30 minutes.

What Changes at +10 Guests

  • โ€ขScale vegetarian volume proportionally, not as a fixed side option.
  • โ€ขAdd second service lane for beverages and desserts.
  • โ€ขIncrease disposable serviceware and cleanup buffer by at least 15%.

Planning Intent Cluster Links

Use these hub links to keep this guide connected to the calculators behind its numbers.

How these numbers are calculated

FeedMyGuests calculators use per-person serving amounts drawn from USDA dietary guidance, FDA food-safety standards, and standard catering-industry portions. Quantities are rounded up to realistic purchase sizes, with a small buffer added for second helpings and unexpected guests. Read the full methodology.

Sources and Method

Contact: hello@feedmyguests.com

Office catering quantities in this guide are based on the calculator per-person baselines, standard catering portions, and common workplace-event constraints, framed for practical, cost-aware ordering.

Reference Sources

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