Every few weeks someone who runs social accounts for other people asks the same question in a different subreddit. An r/marketing poster put it most precisely: "when I work for Client A, I would use the same IP address that Client A uses to log into their LinkedIn profile", and switch to Client B's IP for Client B. A small agency on r/SocialMediaMarketing described the symptom: "We manage socials for several clients from the same devices + I have social media managers in different countries so sometimes we get hit with 'suspicious activity' too often." And then the doubt: "do we really need that if we only manage under 20 accounts now or I should stop worrying maybe?"
This post is for that agency, for the one on r/SEO with a team in the Philippines, and for the one on r/socialmedia with "around 30 clients" losing its mobile proxy supplier. The LinkedIn poster has the right model. Most of the others are shopping one tier too high.
Why agency accounts get flagged in bursts
Platforms bind an account to a location pattern, and an agency breaks that pattern every time a different person on a different connection opens the same account. One person with a phone and a laptop produces two or three IPs that repeat for months. An agency produces thirty client accounts leaving from one office IP, then from a VA's home connection in Cebu, then from whatever exit the VPN picked this morning. Same account, new country, new network.
That is the whole problem. Not the number of accounts, the churn. Twenty accounts on one stable IP each is boring. Twenty accounts that share one IP and also appear from three countries a week is a takeover pattern, and the platform responds as it does to takeovers: verification prompts, "suspicious activity", a shadowban nobody can prove.
Stop worrying at under 20 accounts? No. But stop shopping for mobile proxies. The count is fine. The setup is what is wrong.
"Same IP as the client" is the right model, with one correction
One fixed IP per client, used by every person who touches that client's accounts, is the correct design, and the correction is that you will not literally be using the client's own home IP. You cannot rent a household's connection. What you can rent is a dedicated address on a consumer ISP range in the client's country, an ISP proxy, also sold as a static residential proxy (the naming mess is covered in our piece on one static residential IP). It never changes for as long as you rent it. Your VA in Manila and your account manager in London both use Client A's IP inside Client A's accounts, so the platform sees one location.
Geo-match it to where the client and the audience are. A US influencer account managed from Lisbon exits from the US, which is what the r/SocialMediaMarketing poster with "a few US-based influencer accounts" wanted: "The goal is for everything to look like it's being managed from within the U.S." A browser profile with the IP's timezone and language does the rest.
The r/proxies poster from eleven days ago wants the same product: a "static US residential IP that works consistently across mobile and desktop without getting flagged", after budget options that "either rotate too often or the speeds are garbage." An IP that rotates too often is a residential sticky session. A fixed one is an ISP proxy. Different shelf.
Which proxy type, for which agency job
For managing accounts that already exist, static ISP proxies do the job; residential with sticky sessions covers countries the ISP catalogue does not; and mobile is mostly for creating and warming accounts at volume. That is the r/SEO poster's "residential vs datacenter, static vs dedicated, private, etc." in one sentence.
Static ISP
A dedicated IP on a consumer ISP range, hosted on a server, yours for the whole rental. Nothing rotates. This is what the 30-client agency on r/socialmedia was really asking for with "Sticky sessions long enough to keep an account logged in for a work day": a session that lasts a work day is just a fixed IP. Ours are in the US, GB, DE, FR, JP and HK, which covers their "US, UK, DE, FR at minimum". The per-client model is on the SMM agency page, the numbers on the pricing page.
Residential, sticky
Billed per GB, a real household exit you hold for a while and then lose. Sticky sessions run for minutes, not shifts, so this is the wrong tool for keeping a client's LinkedIn logged in all day. It is the right tool when a client's audience sits in a country with no ISP stock. Rotating versus sticky explains the mechanics.
Mobile
Carrier IPs are shared by hundreds or thousands of real subscribers, so platforms treat them gently, and they cost what the r/Entrepreneur poster was quoted: "around $50/month per port on average". That poster's datacenter proxies "got me flagged way too often", so someone recommended 4G/5G. The jump skips a tier: datacenter ranges are known hosting networks, and the fix is a consumer-ISP range, not a carrier. Mobile earns its price when you create accounts in volume and need the shared-IP forgiveness during warmup. Do you actually need mobile proxies goes through the cases.
On that agency's other requirements, honestly: we have mobile in DE, GB, US and JP, so a carrier IP in France is not something we can sell them. ISP covers all four countries. "Low fraud score on IPQS / Scamalytics" is not something any provider can promise for a whole rental, because the score comes from what the range's neighbours did. Check every IP with the fraud score tool before a client account goes on it, and swap the dirty ones first.
What a proxy does not fix
A proxy changes the IP a platform sees and nothing else, so what it leaves untouched is the useful list.
The shared device. "We manage socials for several clients from the same devices" is the first half of the r/SocialMediaMarketing poster's problem, and the proxy solves only the second half. Thirty client accounts opened in the same Chrome share a browser fingerprint whatever the IP says. One browser profile per account is the other half of the fix. Not optional.
The client's own phone. Client A logs in from their iPhone in Austin while your VA is in the account from a Texas ISP proxy. Two locations, both stable, one of them a real phone. That is fine. A client who runs their own VPN and pops up from a new country every week is not, and the proxy on your side cannot stop that. Tell them.
iOS apps. The UK agency on r/VPN had "used US mobile proxies and GPS spoofed my iPhones" and been "told this isn't enough". Nothing we sell fixes this, and we will not advise on hiding a proxy from the operating system. A proxy on an iPhone is an IP change; the TikTok and Instagram apps see the device. If the work must happen inside the app, the honest options are a real phone on a real connection in the right country, or a desktop browser profile where the IP is the main signal.
The campaign itself. The BlackHatWorld thread titled "Account gets banned instantly after creating first campaign" says "I am using different computers and clean." If the computers change and the ban repeats, the IP is not the constant. Look at what is: the card, the business manager, the creative. A cleaner IP moves none of those.
How to set it up
The setup is one browser profile per account, one proxy per client, the same proxy for everyone who touches that client, and a naming rule you can read at two in the morning.
- Buy one ISP IP per client, in the client's country. All of that client's platform accounts share it. They still each get their own profile.
- In your antidetect or profile tool, create one profile per account and paste the client's proxy into its proxy field. Let the tool set timezone and language from the IP.
- Open the profile once yourself and let the platform's verification happen on the new IP. That prompt is expected and usually does not come back while the IP stays.
- Share the profile through the tool's team feature. The VA opens the same profile: same cookies, same IP, same fingerprint.
- Name profiles client-platform-handle and keep a sheet with account, IP, profile name, and who owns the login. The BlackHatWorld thread "How are you guys organizing 30-50+ social accounts without the setup becoming a mess" asked "Do you keep 1 browser profile per account or have some better setup?" There is no better setup. There is only the sheet.
- When a client wants to log in themselves, give them the same proxy in a browser extension, or accept that the account now has two fixed locations. Either is fine. A third location every week is not.
- If an IP gets flagged, swap it for a fresh one. Never move the account onto another client's IP.
That list is also the answer to the r/marketing question about "having a foreign VA if they are managing my accounts". The VA needs your client's proxy, inside your client's profile.
FAQ
Should my social media assistant use a proxy?
Yes, the same proxy the rest of your team uses for that client, not one of their own. Give the assistant the client's browser profile with the proxy already set, never a raw password for their own browser.
Do I need mobile proxies to manage client social media accounts?
Not for managing accounts that already exist. Mobile IPs earn their price during account creation and warmup at volume. For twenty client accounts you run day to day, a fixed ISP IP per client is the tool, and the cheaper one.
Can my team in another country use the same IP for each client account?
Yes, that is what a dedicated ISP proxy is for. Everyone who works on Client A's accounts routes through Client A's IP, from wherever they sit. The platform sees one stable location.
Should I use a VPN to manage client accounts from abroad?
No. VPN exits sit on hosting ranges shared with every other customer of that VPN, and reputation lists know the ranges, which is how an r/VPN poster got "shadowbanned and noticed the fraud score was 99". A dedicated IP on a consumer ISP range gives you one clean, fixed address per client instead.
What if the client logs in from their own phone while we manage the account?
That is fine as long as the client's location is stable. A phone in Austin plus an agency proxy in Texas looks like a person with two devices. Problems start when the client also uses a VPN that changes country.
Does a proxy stop "suspicious activity" prompts on Instagram?
It stops the ones caused by the account changing location, which for agencies is the common cause. It does not stop prompts caused by a shared browser fingerprint, by behaviour the platform dislikes, or by the client logging in from somewhere new.