Calder & Finch
Accountants and business advisers in central Leeds.
What you can try
- Book a free discovery call or a paid session
- Answer intake questions before the meeting
- Get the free Making Tax Digital guide
From the first website visit to the new client, in one place.
Find out which companies are reading your service pages, so you know who to call before they call a rival.
Companies, contacts and deals in one view, with every email and meeting saved to the client record.
Prospects book a call from a link that knows your diary, with questions asked before the meeting.
Every client and prospect has one record, with their emails, meetings, deals and consent kept together.
Email and LinkedIn sequences, each message checked before it sends.
Articles, press releases and story ideas from your own expertise, plus a view of how AI search describes you.
Most firms pay for a CRM, a booking link, an outreach tool and a lead tool. mDOS brings them together.
Sales pipelines and CRMs. You keep the pipeline and drop the extra seats, because mDOS has no per-user fees.
Meeting booking links. You save a subscription and every meeting lands on the right client record.
Website visitor and outreach tools. You save the fees and stop copying leads between systems.
YOUR AI TEAM, FOR FIRMS
It works around the clock once you switch it on, and nothing goes out without your approval. It learns your services, sectors and tone, and every message is checked against your own records first. Our experts steer it with you. Approve its work from your phone in the mDOS Manager appAwaiting App Store Approval.
Honest side-by-sides, including where they’re stronger. This compares our software’s features only. Our AI agents and our partner Marketing Experts come on top, and no single tool here includes them.
And on top of the software: AI agents that do the legwork, and vetted Marketing Experts running it with you. No single tool compared here includes them.

REAL PEOPLE, NOT JUST A SYSTEM
Set up by real people, supported by AI. The team behind mDOS has run marketing for businesses since 2016. They set up your pipeline and sequences, steer the AI and pick up the phone when you need them. Want someone on site for a day of training? Just book it.
Working websites built on mDOS for invented businesses. Open one and try it the way your customers would.
Demo sites are invented businesses. Payments are test-only: use the UK test card 4000 0082 6000 0000 with any future date and any CVC. Book or buy with your own email address and you’ll receive a real confirmation email.
Keep your CRM and website. mDOS adds the outreach, ads and reporting, and keeps your records in step.
Start with visitor intelligence or your pipeline and keep your current CRM while its contract runs out. We move your contacts, companies and deal history across and build a tailored switching plan with you. Each step goes live only when your team is trained and ready.
Most firms juggle a CRM, a marketing agency and AI tools that don’t talk to each other. With mDOS you get The Platform, The AI Agents and The Marketing Experts, working as one team.

See who visits your website, a pipeline from enquiry to signed, meeting booking links and client records in one place.

AI agents research the companies looking at you, draft personal outreach and follow up enquiries, each waiting for your approval. Nothing goes out without your approval.

Vetted Marketing Experts, led by our Founding Partner Agency Mr Digital, set the plan and steer the AI. On Managed, your Expert Partner runs your firm’s marketing and answers for the results.
mDOS is built and operated by MDOS AI LTD. When you message or phone us, real Marketing Experts answer, on every plan, led by our Founding Partner Agency, Mr Digital. Here are five ways we help you get results.
Message us from any screen in mDOS. The people who answer are marketers from our partner agencies, not a call centre.
Included in every plan

Clients now research firms online long before they get in touch, yet many firms can't see who is visiting, make first meetings hard to book and let proposals stall. This guide shows where high-value work slips away and how to close the gaps.