Posting frequency is the most negotiated number in agency proposals and the least examined. Clients ask for a number because it is the one thing they can compare between proposals. Agencies quote a number because they need one to price against.
Neither party usually asks what the number should be. Here is a defensible way to answer.
Working ranges
For small and local businesses, these hold up across most accounts:
Facebook — 3 to 4 a week. Above five, per-post reach tends to decline without a corresponding gain in total reach.
Instagram feed — 3 to 5 a week, plus stories most days if the client can supply raw material.
Instagram stories — Daily is fine and does not carry the same fatigue cost as feed posts, but only if there is genuine material. Manufactured stories are worse than none.
LinkedIn — 2 to 3 a week for local B2B. This platform punishes volume more than the others.
Google Business Profile — 1 to 2 a week. It surfaces in search, not in a feed, so frequency matters less than recency and consistency.
TikTok — 3 to 5 a week if the client is committed to it, or zero. This is the one platform where partial commitment produces nothing.
Why more is not better
Per-post reach falls as volume rises. Platforms limit how often one account appears in a given feed. Seven posts a week does not generate seven posts worth of reach; it generates roughly the same total reach spread thinner.
Quality drops before volume does. An agency committed to five posts a week will publish filler in week three. Filler accumulates negative signal — people scroll past, and the platform learns.
Cost scales linearly, results do not. Doubling posts doubles your production cost. It does not double outcomes, and often does not improve them at all.
Unanswered engagement is worse than no engagement. A client who cannot keep up with comments at three posts a week will do worse at six. Reply speed matters more than post count.
What genuinely raises the number
Ephemeral formats. Stories and short video have a different fatigue profile than feed posts. Daily stories alongside three feed posts is sustainable.
Real seasonal peaks. A tax preparer in March, a landscaper in April, a retailer in December. Surge deliberately, then drop back. Flat year-round volume is the wrong shape for seasonal businesses.
Genuine news volume. A restaurant with a changing daily menu or a real estate agent with frequent new listings has more legitimate material.
Active paid support. More organic posts give more candidates to boost. If there is a paid budget, higher organic volume has a purpose beyond organic reach.
What lowers it
No supply of raw material. A client who will not send photos cannot support five posts a week that are worth publishing. Set volume to what the input supports.
Low-frequency purchase cycles. A roofer sells to a household once a decade. Frequent posting does not accelerate that; consistent presence over years does.
No capacity to respond. If nobody is answering comments and messages, adding posts adds unanswered messages.
Setting the number in a proposal
Do not lead with volume. Lead with the mix and the outcome, then state volume as an input.
Weak: "12 posts per month."
Better: "Three posts a week — one educational, one showing completed work, one featuring your team — plus stories on days you send us material. That mix is what generates the calls, and we will adjust the ratio quarterly based on what performs."
This reframes the conversation away from a number the client will try to negotiate upward and toward a structure they can evaluate.
When a client demands more
Some clients arrive convinced they need daily posts, usually because a competitor does it.
Two responses that work:
Offer the test. Run their preferred volume for one month, run your recommendation for the next, compare reach and inquiries. Most clients accept this, and the data usually settles it.
Price it honestly. If they want daily, quote daily. Do not absorb it into an existing retainer to keep the peace, because that is how agencies end up doing forty percent more work for the same fee. If it is worth it to them at the real price, that is a legitimate outcome.
The number that actually matters
Consistency beats volume by a wide margin.
Three posts a week, every week, for a year outperforms a pattern of seven, seven, two, zero, five. Platforms reward reliability, and audiences form habits around it.
If a client can only sustain two a week without quality collapsing, sell two a week and deliver two a week for two years. That is a better business outcome than five a week for four months followed by drift.