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OSB Group PLCOSB.LCompetitor analysis, valuation and peers

United Kingdom · GBP·Financials›Major Banks

UK specialist mortgage lender focused on buy-to-let and other niche residential mortgages, funded by retail savings.

≈ A UK specialist non-bank mortgage lenderMomentum neutral 47
Mkt cap
$2.27B
US dollars, full cap
Free float
96%
of shares outstanding
$/day
$6.06M
20-day average traded
P/B
0.78×
price to book
ROE
12.4%
delivered
Implied ROE
12.1%
what the price asks
Official | Implied
Baa2 / —
agencies · bond market
Next earnings
132 days
18 Mar 2027
Close · GBP£507.00
1D-0.6%
1W+5.8%
1M+7.0%
3M-0.2%
6M+4.2%
YTD-20.5%
1Y-8.2%
ATR %3.1%
52w lowhigh21.7% off high

What OSB does

UK specialist mortgage lender focused on buy-to-let and other niche residential mortgages, funded by retail savings.

Earns the gap between interest on its specialist mortgages and the interest it pays savers, with mortgages sold through brokers and savings gathered mainly online and through Kent Reliance branches and postal accounts.

In one line: A UK specialist non-bank mortgage lender.

Products and services

  • Buy-to-let mortgages
  • Specialist residential mortgages
  • Retail savings accounts

Customers

  • Buy-to-let landlords
  • Retail savers (deposit funding)

Where it sits in the supply chain

  • Financials
  • Specialist mortgage lending
  • Buy-to-let & niche residential…

What could go right

  • UK buy-to-let/specialist mortgage demand

What could go wrong

  • Interest rate/mortgage market sensitivity
  • Buy-to-let regulatory/tax changes

Moat: narrow (process know-how, distribution). Underwriting expertise in niche specialist-mortgage segments larger banks avoid.

Headquarters: Chatham, UK · Employees: 2,489

Named competitors

OSB at a glance

Size OSB (OSB.L) is a United Kingdom Financials company (Major Banks) with a market value of $2.27B, the 152nd largest of 363 United Kingdom companies the cockpit tracks. Shares closed at £507.00 on 6 Nov 2026.

Performance Over six months the shares gained 4.2%, against +2.2% for the median peer and +3.6% for the United Kingdom market (cap-weighted) — 7th highest of 20 in its peer set.

Growth Revenue fell 5.7% over the last twelve months (peer median +5.6%); the operating margin is 54.5% (peer median 29.4%).

Valuation It trades at 0.78× book value against a peer median of 0.95× (5th cheapest of 21).

Price implies The share price implies a return on equity of about 12.1%; OSB delivers 12.4%, so the price asks less than the business earns today.

Credit OSB has 2 bonds outstanding ($868M), rated Baa2 by the agencies.

Next results Next results expected around 18 Mar 2027 (exchange calendar; dates can move).

Relative performance

10011011 May 202611 Aug 20266 Nov 2026OSB.L 105Peer median 103
Six months, rebased to 100: OSB against the median of its 20 peers (local-currency closes).

OSB financials

Reported figures in GBP; fiscal year ends 2025-12-31. TTM = trailing twelve months.
TTMFY2025FY2024FY2023FY2022
Revenue£1.88B£1.93B£2.10B£1.77B£1.08B
Revenue growth—-8%+19%+65%—
Net income£273M£276M£299M£274M£401M
Free cash flow£475M£176M£271M-£66.2M£918M
Capital expenditure£29.5M£32.9M£43.9M£25.8M£11.7M
Total debtn/a£3.86B£3.96B£4.99B£5.38B

Quarterly statements and history in the cockpit →

OSB competitor charts

The default views of Competitor Analysis ▸ Charts, drawn from the same data. Open them in the cockpit to change the axes, pin companies and read every value.

Performance: 6-month against 1-month return

0%+50%+100%-20%0%+20%BLX7173WAFD83887389OFGBBAR8410600928BFLFRMECHCONONGNBTBBANDHANBNK8386OSB.L6-month return →1-month return →
Up and to the right = strong over both horizons. OSB is the large dot.

Fundamentals: return on equity against price-to-book

5%10%15%0.50×10×1.50×20×BLX7173WAFD83887389OFG8410600928BFLFRMECHCOFBKNBTBHAPN15518386OSB.LReturn on equity →Price / book →
A bank or insurer earning more on its equity usually trades at a higher multiple of book; points far above the trend are priced for more. OSB is the large dot.

Capital: ROE delivered against the ROE the price implies

5%10%15%5%10%15%BLX7173WAFD83887389OFG8410600928BFLFRMECHCONONGFBK2845NBTBHAPNBANDHANBNK15518386OSB.LROE delivered →ROE the price implies →
Above the diagonal = the price asks for a higher return on equity than the business earns today. OSB is the large dot.

OSB competitors and peer comparison

Head to head with its named competitors (OSB.L vs PAG.L vs SHAW.L)
CompanyMarket cap6M returnRevenue growthROEPrice / bookImplied ROE
OSB OSB.L$2.27B+4%-6%12%0.78×12.1%
Paragon Banking PAG.L$1.81B+5%-7%12%0.95×14.0%
Shawbrook SHAW.L$1.96B-12%+5%12%0.79×8.0%

How OSB compares with its peers

Peer set: Industry: the same industry and sector in any market, nearest in size. This is the same default set the interactive Competitor Analysis opens with.

OSB against its 20 peers (data as of 6 Nov 2026)
MeasureOSB.LPeer medianRank in peer set
1-month return+7.0%-0.5%3rd highest of 21
6-month return+4.2%+2.2%7th highest of 20
Return on equity12.4%7.9%6th highest of 21
Price / book0.78×0.95×5th cheapest of 21
Trailing P/E6.8×11.8×2nd cheapest of 21
ROE the price implies12.1%8.1%5th most demanding of 21
ROE delivered12.4%7.9%6th highest of 21

Peer table

Peer set: Industry: the same industry and sector in any market, nearest in size
CompanyMarketMarket cap6M returnRevenue growthROEPrice / bookImplied ROEDelivered ROE
OSB OSB.LUnited Kingdom$2.27B+4%-6%12%0.78×12.1%12.4%
Bladex BLXUnited States$2.19B-7%+4%14%1.05×9.3%14.5%
Tokyo Kiraboshi Financial 7173.TJapan$2.36B-12%+15%11%0.93×5.9%10.8%
WaFd WAFDUnited States$2.18B-17%0%8%0.81×8.1%8.5%
Awa Bank 8388.TJapan$2.15B+94%+23%5%0.80×5.3%4.7%
Aichi Financial 7389.TJapan$2.40B+3%+31%8%0.81×6.5%7.8%
OFG Bancorp OFGUnited States$2.15B+10%+2%17%1.60×12.0%16.6%
Banco BBVA Argentina SA Sponsored ADR BBARUnited States$2.45B-29%+6%8%0.77×8.1%8.0%
Seven Bank 8410.TJapan$2.09B+28%+3%6%1.41×5.7%6.3%
Bank of Xi'an 600928.SSChina$2.51B+2%+1%8%0.45×2.6%7.8%
BSP Financial BFL.AXAustralia$2.53B-5%+7%25%2.12×10.5%24.5%
First Merchants FRMEUnited States$2.56B+1%+8%8%0.97×9.2%7.8%
City CHCOUnited States$1.99B+15%+3%16%2.55×13.9%16.4%
SpareBank 1 Nord-Norge NONG.OLNorway$1.96B+26%-4%8%0.93×6.6%7.7%
FB Financial FBKUnited States$2.66B0%+27%12%1.39×12.3%11.9%
Far Eastern International Bank 2845.TWTaiwan$1.88B+4%+5%7%0.87×3.2%7.4%
NBT Bancorp NBTBUnited States$2.74B+16%+10%11%1.45×9.3%11.5%
Happen HAPNUnited States$1.84Bn/a+26%14%1.16×14.5%13.8%
Bandhan Bank BANDHANBNK.NSIndia$2.83B-21%+1%7%1.00×14.9%7.3%
Guangzhou Rural Commercial Bank 1551.HKHong Kong$2.83B-10%-9%2%0.22×3.5%2.3%
Hyakujushi Bank 8386.TJapan$1.78B+4%+22%6%0.72×6.7%5.6%

OSB bonds and credit

OSB has 2 bonds outstanding with $868M face value. The agencies rate it Baa2.

Every bond, yield and spread in the cockpit →

Questions

Who are OSB's main competitors?
Named competitors: Paragon Banking Group (PAG.L), Shawbrook Group (SHAW.L). The cockpit's measured peer set (industry) also includes Bladex (BLX), Tokyo Kiraboshi Financial (7173.T), WaFd (WAFD), Awa Bank (8388.T), Aichi Financial (7389.T), OFG Bancorp (OFG).
Is OSB expensive compared with its peers?
On price / book it trades at 0.78× against a peer median of 0.95×, 5th cheapest of 21 in its peer set. The share price implies a return on equity of about 12.1%; OSB delivers 12.4%, so the price asks less than the business earns today.
How has OSB stock performed?
Over six months to 6 Nov 2026 the shares returned +4.2% against +2.2% for the median peer; over one year -8.2%.

How these numbers are made. Returns are close-to-close in local currency. Revenue growth and margins are trailing twelve months. Req g is the revenue growth that today's enterprise value requires for seven years at the company's own cost of capital; Delivered g is what it actually grew; the gap is the hurdle (honest precision about ±8 points, so read the ranking more than the decimal). No fair values, price targets or analyst ratings are shown, by design. Method and validation.