About us
Two people, one standard, two counties.
Founded by David and Marianna Lindon in 2024, and still run by them.

Who we are
David and Marianna founded Dynamic SW Cleaning in 2024 to give businesses and households across Devon and Somerset a reliable, professional, high-quality cleaning service. They still run it, so when you ring, you speak to one of the two people whose name is on the company.
- Checkatrade rating
- 9.98/10Across 40+ customer reviews
- Verified reviews
- 40+Left by customers on Checkatrade
- Specialist services
- 9Covered by our biohazard certification
- Years trading
- 2Founded in 2024 by David and Marianna Lindon
The founders
David & Marianna Lindon.
What began as a small local business has grown into a company committed to high standards of cleanliness, customer care and attention to detail.
Through ongoing training and investment in professional development, we’re continuing to build a skilled and experienced team capable of delivering safe, efficient and compassionate cleaning for residential and commercial clients alike.
In practice that means when you ring about a biohazard job, you get one of the two people whose name is on the company. Not a call centre, and not a franchise office in another county.

The team
Properly kitted, properly trained.
Suits, respirators, eye protection and gloves aren’t there to look the part. On infection control and mould work they’re the difference between a job done safely and a problem moved somewhere else in the building.
We don’t name our team publicly. That’s deliberate: a lot of what we do happens in people’s homes at the worst moment of their year, and discretion runs in both directions.
How specialist jobs runWhat we stand for
The values behind the work.
Owner-run
David or Marianna on the phone and, more often than not, on the job.
Fixed price
A written scope and a fixed price after a free site visit, not an hourly estimate that drifts.
Trained
Biohazard and specialist certification for both of us, Prochem carpet training for David, and ongoing investment in training.
Discreet
Unmarked arrival on request, and nothing discussed with anyone who didn’t book us.
Attention to detail
Skirtings, corners, handles. The small things get done properly, and your premises are treated with the care we’d want for our own.
Reliable
We show up when we say we will, and communicate clearly if plans ever change.
Certifications
What backs up the claim.
Named qualifications from named awarding bodies, rather than a generic “fully certified” badge. Open a certificate to read it in full. Certificates and insurance documents are available on request before you commit to anything.
Biohazard & Specialist Cleaning
Growth Nation Biohazard Training
CPD-approved provider #1018834 · January 2026
Held by David Lindon
Biohazard & Specialist Cleaning
Growth Nation Biohazard Training
CPD-approved provider #1018834 · January 2026
Held by Marianna Lindon
Professional Cleaning & Maintenance of Carpets, Rugs & Soft Floor Coverings
Prochem Europe, National Training Academy for the Cleaning Industry
Certificate 2026/123 · July 2026
Held by David Lindon
A fair comparison
Owner-run, or a large contractor?
Both have a place. This is where the difference shows for a small or mid-sized site, and where it doesn’t.
- Who you speak to
- Dynamic SW Cleaning: David or Marianna, directly.
- A large contractor, typically: An account manager or a helpdesk.
- Who comes to look
- Dynamic SW Cleaning: One of the owners, at a free site visit.
- A large contractor, typically: Usually a sales or contracts manager.
- Who cleans
- Dynamic SW Cleaning: A small team, the same people wherever we can manage it.
- A large contractor, typically: A larger pool of staff, so the faces can change.
- The price
- Dynamic SW Cleaning: Fixed after the visit, for an agreed scope.
- A large contractor, typically: Set by a contract with its own terms.
- Scale
- Dynamic SW Cleaning: Two counties from a base in Exeter.
- A large contractor, typically: National coverage, and the capacity to staff hundreds of sites at once.
Not every large contractor works this way, and no criticism is meant of any. If you run a large estate across the country, a national firm may suit you better, and we would rather say so than win a contract we can’t serve well.
Reviews
Trusted to do it properly.
David was sent payment twice and was quick to bring this to our attention and return the surplus funds. Would not hesitate to book again.
“Delivered to an exceptionally high standard, with a real sense of personal pride in the work.”