Architecture practices to acquire in Portsmouth
Updated 14 November 2026
Looking to acquire an architecture practice in Portsmouth? Firmbase ranks 15 architecture practices using public company information to help buyers prioritise firms for research and potential outreach. The Approach Score ranks firms using public signals including director age and tenure, ownership, business scale, financial strength and recent changes. These firms are not listed for sale, and the ranking does not indicate that an owner is considering a sale.
The median firm has 10 staff and has been in business for 14 years. Looking beyond Portsmouth? Explore the full South East list of architecture practices.
15
Firms
UK 1,741
10%
Every director 55+
UK 22%
27%
Held 75%+ by one person
UK 24%
14
Median years in business
UK 15
10
Median headcount
UK 8
£250k to £500k
Median turnover band
UK £250k to £500k · includes our estimates
All 15 firms, in Approach Score order
| Rank | Firm | Approach Score | The facts behind the score |
|---|---|---|---|
| 1 | ADP Architecture Southampton | Approach Score 74/100 | We hold older figures than Companies House
More about this firm
Company no. 04604714 · Companies House |
| 2 | Thorns Young Architectural Hampshire | Approach Score 67/100 |
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Company no. 04152724 · Companies House |
| 3 | Pritchard Architecture Portsmouth | Approach Score 67/100 |
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Company no. 10826751 · Companies House |
| 4 | Helyer Davies Architects Emsworth, Hampshire | Approach Score 66/100 |
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Company no. 04917983 · Companies House |
| 5 | Destin4 Fareham, Hampshire | Approach Score 63/100 |
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Company no. 13734804 · Companies House |
| 6 | Stedman Blower Liphook | Approach Score 60/100 |
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Company no. 03722908 · Companies House |
| 7 | Chalk Creatives Fareham, Hampshire A director sits on 4 or more companies | Approach Score 59/100 |
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Company no. 09585575 · Companies House |
| 8 | A2 Fareham, Hampshire | Approach Score 55/100 |
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Company no. 12817397 · Companies House |
| 9 | James Potter Associates Southsea, Hampshire | Approach Score 50/100 |
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Company no. 09819553 · Companies House |
| 10 | KSA Architects Waterlooville, Hampshire | Approach Score 49/100 |
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Company no. 04619394 · Companies House |
| 11 | Vibe Business Interiors Fareham, Hampshire | Approach Score 47/100 |
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Company no. 07878488 · Companies House |
| 12 | Cordage Group Portsmouth | Approach Score 40/100 |
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Company no. 13872831 · Companies House |
| 13 | Applecore PDM Southampton, Hampshire A director sits on 4 or more companies | Approach Score 37/100 |
More about this firm
Company no. 12527475 · Companies House |
| 14 | HGP Architects Fareham, Hampshire | Approach Score 34/100 | We hold older figures than Companies House
More about this firm
Company no. 02066639 · Companies House |
| 15 | Mcandrew Martin Cosham A director sits on 4 or more companies | Approach Score 24/100 |
More about this firm
Company no. 06844071 · Companies House |
Buy the list of all 15 firms, with director names, ages and shareholders
Each row comes with the facts behind its score, financials with dates and contact details.
What's in the file
One row per firm, in Approach Score order, as Excel + CSV.
It holds the facts behind each score, points for each part of the score, financials with dates, publicly available contact details, where identified, director names and named shareholders.
Some people with significant control appear as Other individual, with no further detail. Director email lookups are not included.
How this list is filtered
- 5 or more staff, from filed headcount or our estimate where none is filed.
- Registered office in Portsmouth.
How this list is built
The Approach Score ranks firms mainly on public Companies House information about owner tenure and age, ownership, size, financial strength and recent register changes.
Firms with higher scores appear first in each list.
Use the ranking to order research, then check each business directly.
What it does not mean
No firm here is for sale, and the score says nothing about any owner's plans.
At least 95% of the firms where we hold directors had them checked in or after November 2026.
What we do not cover
Regulatory information is not included in this list. Buyers should check the relevant register as part of their due diligence. Check individuals on the Architects Registration Board's Architects Register. ARB registers architects across the UK; it does not register practices.
Why age bands but no people's names
Age bands come from the month and year of birth on Companies House. This page shows no exact ages and no people's names. Both come with the purchased list. The band edges from 45 to 65 are the ages where the score changes. A row shows no age bands when a director's surname is in the firm's name, its group's name or its website. Those directors' ages still count towards the score.
Is this your firm?
You can ask us to take it off every acquisition page, and out of every list we sell after that. Give us your name and work email, and we send you a link to confirm. If your email address is on the firm's own website domain, the firm comes off once you confirm. If it is not, a person reviews your request first. A list already sold stays with its buyer.
To have personal data erased, see our privacy policy.
Other areas
The standard Firmbase list
Buy the list of all 15 firms, with director names, ages and shareholders
Each row comes with the facts behind its score, financials with dates and contact details.