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AI for Cambridge businesses

An AI receptionist for Cambridge service businesses that answers every call.

A Cambridge service business can hand its phones to an AI receptionist for $179 a month, no contract, and have every call answered and jobs booked.

  • Answers calls around the clock
  • Books jobs and texts callers
  • Hands off to a real person

Calls start with a search

Searches for local trades in Cambridge each month

560

searches a month

  • plumber cambridge
    210
  • pest control cambridge
    90
  • electrician cambridge
    70
  • garage door repair cambridge
    70
  • landscaping cambridge
    50
  • hvac repair cambridge
    30

Source: Google Ads keyword data, average monthly U.S. searches. "Under 10" = below Google’s reporting floor.

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2010Lithium Marketing, established in 2010
$10M+Over $10 million in Google ad spend managed

Businesses we’ve worked with

  • Willard Power Vac
  • Sarkinen Plumbing
  • Robinson Restoration
  • Town & Country Glass
  • Dixie Glass
  • Byers Septic Service
  • F&W Fence Co.
  • Drake’s 7 Dees
  • Rickabaugh Construction
  • Hillsview Building
  • Dozer Dave
  • Mt. Hood Pro Painting
  • On-Target Landscape
  • Atiyeh Bros Carpet
  • Lovett
  • Westmore Construction
  • Northwest New Homes
  • Porter Sealcoating & Paving
  • RescueHero Restoration
  • Panda Plumbing
  • Biermann Plumbing & Heating
  • Ballistic Junk Removal
  • Smart Doors LLC
  • Peak Performance Roofing
  • Deluxe Heating & Cooling
  • Lifetime Exteriors
  • Bruce Johnson Construction
  • Madrone Painting
  • Smart Tree Service
  • Premier Gutter Cover
  • NW Pacific Electric
  • Universal HVAC
  • Lenny Martin Painting
  • Next Level Decks & Exteriors
  • Prodan Construction
  • Smooth Rollin’ Sealcoating and Paving
  • Lovett Restoration
  • Greenlight Titles
  • G.W. Hartley IV
  • Advanced Coatings
  • Thomson Equipment
  • MyADU

Cambridge AI, answered

A Cambridge phone line that answers after hours

When a Cambridge service business hands its phones to Lithium Marketing, an AI receptionist picks up at night, at lunch and while every crew is on a job. Cambridge has 49,444 occupied homes, and a call from one of them can arrive with nobody at the desk.

A property manager, a facilities team at Kendall Square and a homeowner with a burst pipe all call the same number, and each needs a different first question. The receptionist asks what you tell it to ask, books the job on your calendar when the call fits, and hands the caller to a person when your rules say so.

The Cambridge market

Who calls a Cambridge service business

Cambridge has 54,840 housing units. In Middlesex County, 68.1% of homes were built before 1980. If much of your work is in older houses, the call rules should sort the repair questions those jobs bring: what failed, how old it is and how urgent it is. The questions your staff already ask on those calls are the ones the receptionist needs.

Harvard University was founded in Cambridge in 1636, and MIT's 168-acre campus is in Cambridge too. A service business that works for either institution takes calls from facilities staff as well as homeowners, and the receptionist can ask which kind of caller is on the line before it books anything.

residents (2025 estimate)
122,588
residents (2025 estimate)
population change, 2020 to 2025
+3.5%
population change, 2020 to 2025
housing units
54,840
housing units
of occupied homes owner-occupied
33.5%
of occupied homes owner-occupied
of homes built before 1980
67.9%
of homes built before 1980
median home value
$1,092,100
median home value

Sources: U.S. Census Bureau 2025 population estimates, ACS 2020–2024 and 2023 County Business Patterns.

Trades in Middlesex County

Call rules differ by trade

A burst pipe, a dead furnace or a broken garage door usually needs a same-day answer, so the first rule is which calls transfer to the on-call tech and which get the next free slot.

A remodeler or landscaper takes a different kind of call. The first question is about scope, address and timing, usually not a same-day visit, so the receptionist collects those three things and books the estimate on your calendar.

County Business Patterns

Trade and home service businesses in Middlesex County

Establishments by industry, 2023

  • Residential remodelers
    1,145
  • Landscaping services
    984
  • Plumbing, heating and air-conditioning contractors
    770
  • Electrical contractors
    626
  • Painting contractors
    291
  • New home builders
    234
  • Excavation and site preparation contractors
    229
  • Roofing contractors
    104

Source: U.S. Census Bureau, 2023 County Business Patterns (NAICS establishment counts).

Set up for you

How a Cambridge line goes live

Every rule is written down and approved before the line takes a live call.

1

List the calls by type

Start with the calls you already take: emergencies, quotes, existing customers and the questions that come up every week.

2

Answer in your own words

You choose from 30 natural voices, and the knowledge base is written from your service list, your hours, your service area and the answers your staff give every week.

3

Connect the bookings

Bookings can land in the calendar or CRM you already use once the connection is checked, and a transfer rings the number you name.

4

Keep the replies current

Recordings and transcripts are there for your team to review, and a reply that sent a caller the wrong way gets replaced.

What the AI receptionist does on every call

The same eight parts go into every AI receptionist setup, wherever the business is.

See the full AI receptionist service

  • Answers every call, 24/7
  • Qualifies the lead
  • Books the appointment
  • Answers common questions
  • Sends follow-up texts
  • Captures every detail
  • Transfers to a real person when needed
  • Connects to your CRM and calendar

Proof

A plumbing phone project and a garage door line

The plumbing project on the card is a custom AI phone system for a company that had been losing after-hours emergencies to voicemail. It now sorts urgent calls, texts the on-call tech and books the rest. The other example is Smart Doors LLC, a garage door company: a website came first, then Lithium's AI receptionist went on its phones, and the screenshot is that site.

AI phone project, plumbing company

3x

more leads

60% of after-hours emergency calls had been going to voicemail. A custom AI phone system now sorts urgent calls, texts the on-call tech and books non-emergency jobs.
Smart Doors LLC garage door website built by Lithium Marketing
24/7Lithium’s AI receptionist answers the phones at Smart Doors LLC

Around Cambridge

The same receptionist around Cambridge

One phone number can cover Quincy and the cities around it, with the same call rules everywhere. The nearby AI pages below show each market, and the Massachusetts page has the full list.

Published price

What the receptionist costs each month in Cambridge

$179

per month, fully managed

No contract and no setup fee, so you can cancel anytime. The voice, knowledge base, call rules and calendar and CRM hooks are all set up by Lithium. Custom AI automation is scoped after a free discovery call.

FAQ

What Cambridge owners ask before handing over the phone

DJ Van Zanten

Still curious?

Call (503) 766-5964 or email [email protected].

What happens when a caller asks for a person?

The call transfers to the number you choose. You decide which calls count as a transfer, whether that is an emergency, an existing customer or anyone who asks. The rest get answered, qualified, then booked or followed up by text.

How does the monthly fee compare with a front-desk salary?

A full-time front-desk hire costs $3,500 or more a month and covers one shift. Lithium's receptionist is $179 a month with no contract and no setup fee, and it answers at night and on weekends too.

What has to happen before the phone goes live?

Days after the rules and calendar access are in place, not weeks. You test the line yourself before a customer reaches it.

Can the receptionist handle an emergency?

Your urgency questions come first, then the rule you set for that situation: a transfer to the on-call tech, the first open slot or a text with the details.

Which tasks can automation take off the team?

Automation picks up the steps after the phone call: a follow-up text, a review request, the CRM record, a document or data moved between systems. The build is quoted as its own project after a free discovery call and usually takes one to two weeks.

Free action plan

Hear the demo line, then plan your Cambridge setup

Call the demo line and listen to it answer. Then bring the way calls reach you today and the ones that should always ring a person; a co-founder will map the rules with you on a short video call.

What we’ll cover

  • What’s working (and what isn’t) in your current marketing
  • Site and funnel gaps that are costing you leads
  • Local SEO and paid traffic opportunities
  • Simple tracking and KPIs to measure success

Get my free action plan

Tell us a little about your business. Response within 24 hours.

  • 100% free, no obligation
  • Custom plan for your business
  • Response within 24 hours
Call now Free action plan