Attio

Most teams comparing Attio and Close are not choosing between two CRMs—they're choosing between two bottlenecks. Attio assumes the bottleneck is data-model rigidity (your motion doesn't fit account-contact-opportunity). Close assumes the bottleneck is rep keystrokes (calls, SMS, and email logged in three different tools). Pick the one that's actually binding this quarter.

Typical fit: who each tool is built for

Typical Attio customer

Founder-led to Series B B2B teams under ~50 reps with a non-standard sales motion—channel partnerships, marketplaces, multi-stakeholder community-led sales, or anything that doesn't map cleanly to a 1995 Sales Cloud schema. There's a RevOps owner who wants to model custom objects without an Apex contractor, AEs who already live in Notion and Linear, and a CTO who would rather use a real REST API than Zapier glue. Budget is $0 on the Free tier (≤3 users) climbing to roughly $5K–$30K/yr at Plus or Pro for a small revenue team.

Typical Close customer

SMB inside-sales teams running 5–50 reps where the day looks like: 50-call dialer block in the morning, SMS follow-ups midday, email sequence in the afternoon. The CRM that "wins" is the one that doesn't make a rep tab away from the contact record to do any of those three. RevOps measures connects per rep per day, reply rate by sequence step, and talk-time per closed deal. Budget lands in the low five-figures to ~$60K–$80K/yr at 20–50 seats on Professional, with dialer minutes metered separately.

Neither if you're…

• A 200-rep enterprise sales org with CPQ, partner registration, and multi-product forecasting—see Salesforce or Dynamics 365.
• A Microsoft-shop already standardized on M365 and Teams—Dynamics 365 is the rational pick.
• A team that needs a sales engagement layer on top of an existing CRM—see Outreach or Salesloft.

When Attio wins

Attio wins when the data model is the constraint. Three concrete patterns:

• Non-standard sales motion. A marketplace with sellers, buyers, and listings; a hardware company with units, customers, and service contracts; an agency with clients, retainers, and project pods. Custom objects in Attio behave like Notion databases—you model the motion once and reports follow. Forcing the same shape into Close's flat contact + deal model means living in spreadsheets within a quarter.
• AI summaries on populated records. Attio AI summarizes accounts, drafts list criteria from natural language, and suggests next steps inside the record where AEs already work. The wedge is integration depth—the AI is the same record's first-class citizen, not a sidebar.
• Modern collaborative UX. Real-time multiplayer editing, a workflow builder with a real REST API, and a setup time measured in days rather than the Salesforce-implementation-partner months. See the AE discovery prep playbook for what good rep workflow looks like on a flexible schema.

When Close wins

Close wins when call volume is the constraint and the tab-switch tax is killing rep throughput.

• Native dialer in the CRM record. Power Dialer and Predictive Dialer mean an SDR runs a 50-call block without opening a softphone. Activity logs automatically; Close AI summarizes the call into structured notes on save. Compare this to Attio + Aircall + manual logging: every call is two tools and three clicks.
• SMS on the contact view. Two-way SMS sits next to email and call log. For SMB outbound where SMS reply rates dominate cold email, collapsing two tools into one is the product.
• Smart Views. Dynamic lists driven by activity ("called twice, no reply, last touch >5 days") rather than static segments. Tighter fit for the SDR follow-up cadence playbook than Attio's list builder, which assumes you'll author the criteria yourself.

When you need both

Genuinely rare. The pattern that does work: Attio as system of record for non-standard objects (partners, marketplaces, hardware units), Close as the inside-sales workspace for one motion (e.g., post-trial outbound calling). Sync via Zapier or Make.com one-way Close → Attio for activity rollups—never the reverse, because Attio's custom objects don't survive the trip. Mirror writes produce duplicates and broken reporting.

If the actual need is "Attio for accounts + a real engagement layer," skip Close and pair Attio with Outreach, Salesloft, or Apollo. Two engagement layers is one too many.

Pricing and per-account math

Attio: Free up to 3 users with seat and record caps; Plus ~$29/user/mo (custom objects + reports); Pro ~$59/user/mo (workflows, enrichment credits, deal/calling features); Enterprise custom.^[1] Per-user pricing is predictable below Enterprise; workflow and enrichment credits can compound on Pro at scale—watch usage line items.

Close: Startup ~$49/user/mo, Professional ~$99/user/mo, Enterprise ~$139/user/mo on annual billing (monthly billing is higher); no perpetual free tier.^[2] Native dialer minutes and SMS are metered separately—a 50-call/day SDR will burn through the included bucket faster than the seat math suggests.

Per-account math sanity check (illustrative, not invented dollars): A 10-rep team comparing Attio Pro (~$59 × 10) to Close Professional (~$99 × 10 + dialer minutes) lands roughly 40–60% higher on Close at list before dialer overage. The Close premium is the embedded telephony—if half the seats wouldn't otherwise pay for a softphone, the math closes. If they would (AEs who never cold-call), Attio is the lower line. Below 3 seats, Attio Free is genuinely free; Close starts at the Startup tier.

Feature overlap and gaps

Both cover contacts/accounts/deals, pipelines, Gmail/Outlook sync, AI summaries and copy drafting, REST API, and workflow automation. The wedge is data-model flexibility vs. communication density.

The buying mistakes we see most

1. Picking Attio for a calling-led motion. A 12-rep SMB team doing 40+ outbound calls per rep per day buys Attio Pro plus Aircall plus Lemlist plus Apollo, ends up with four tools and four bills—Close would have collapsed three. Fix: if call volume per rep per day exceeds 20, default to Close.
2. Picking Close for non-standard objects. A marketplace team buys Close for "fast inside sales," tries to model sellers + buyers + listings in custom fields and Smart Views, ends up in Google Sheets within a quarter. Fix: if your motion has more than two object types beyond account-contact-deal, Close is the wrong shape.
3. Choosing on AI demos rather than data discipline. Both AI surfaces degrade on duplicate contacts and weak account ownership. Cost: confident-wrong summaries and AI emails that sound like every other AI email. Fix: run the week-1 test below with manual review before any AI feature ships team-wide.

What to test in week 1

Attio one-week test: pick one revenue-tied workflow ("every inbound demo request enriched + assigned + sequenced inside 1 business day"). Model the schema—companies, people, deals, and at most one custom object. Wire Gmail sync + one inbound source (Zapier from a form) + one outbound webhook (Slack alert on Stage 2+ deal). Have 2–3 AEs work deals in Attio for a week; use Attio AI to draft follow-ups and summarize accounts; track rep edits per AI draft. Measure: time-to-assignment for inbound, % deals with next step captured, hours saved vs. prior CRM.

Close one-week test: pick one inside-sales motion ("SDR outbound to a 200-contact mid-market warm list" or "AE follow-up on demoed-no-close pipeline"). Import the list; build a Smart View defining the working set (activity-driven, not static). Run a 5-day cadence: dialer block AM, email sequence PM, SMS on day 3, manual touch on day 5—all inside Close. Use Close AI to draft sequences and review call summaries; reps edit before send and confirm summaries before save. Measure: connects per rep per day, reply rate by step, deals advanced.

If either test requires constant tab-switching to another tool, you're not using the wedge—the integration density (Close) or the data-model flexibility (Attio) is the product.

Migration and coexistence

Close → Attio: painful when call/SMS history matters. Activities export but lose their first-class status; AEs lose the dialer entirely and need a separate softphone. Common pattern: don't migrate—run Close for the inside-sales motion that needs it, stand up Attio for the account-management surface that doesn't, and don't sync.

Attio → Close: rarer. Custom objects flatten to fields and Smart Views, which means losing the schema flexibility that justified Attio in the first place. If you're considering this, the underlying signal is usually "we picked the wrong tool" rather than "we outgrew Attio."

Coexistence: Attio as system of record for non-standard objects, Close as the inside-sales workspace for one motion, Zapier or Make for one-way activity rollups Close → Attio. One team owns each schema; shared ownership rots both. For pipeline forecasting depth across both, pair with Clari or follow the RevOps pipeline forecast playbook.

FAQ

Can Attio do dialer + SMS like Close? No. Attio Pro includes some deal/calling features, but it is not a native dialer with Power/Predictive Dialer or two-way SMS in the contact view. For high-volume calling, pair Attio with a separate softphone—or pick Close.

Can Close model custom objects like Attio? Partially. Close supports custom fields and Smart Views, but not Notion-DB-style custom object schemas. Channel partnerships, marketplaces, and multi-stakeholder community sales don't fit cleanly.

Which one integrates better with Clay for enrichment? Both have REST APIs and Zapier connectors that make Clay waterfall enrichment workable. Attio's developer SDK is more modern; Close's import paths from HubSpot/Salesforce are smoother for teams replatforming. For the workflow itself, see the CRM enrichment use case.

Is Close's AI competitive with Attio AI? Different jobs. Close AI drafts sequences and summarizes calls (rep-keystrokes-saved). Attio AI summarizes records and builds lists from natural language (analyst-keystrokes-saved). Neither is an autonomous agent.

What if we already use HubSpot? Different decision tree—see HubSpot vs Salesforce for the broader incumbent comparison. Both Attio and Close offer HubSpot migration paths; neither replaces HubSpot Marketing Hub.