Dev One

Active Private limited companyfounded 2010active for 16 yearsRue de Bon Conseil 55/1, 7181 SeneffeKBO/BCE: BE 0822.234.752 #8 company by equity in Seneffe, Telecoms and IT sector

Dev One

Financial year 2025

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Annual accounts 2025

micro format, filed on 18-03-2026, 135 days before the deadline

€84,636

▼ 7.0%

€71,367

▼ 8.9%

€49,044

▼ 10.3%

€55,168

▼ 43.4%

83.8%

▲ 7.0 percentage points

2.30

▲ 0.09

Turnover and EBIT margin are not published. The micro format does not require them. The turnover shown is an estimate from the gross margin.

Turnover ≈ €200,000. Estimated: probably between €160,000 and €250,000.

In the rankings #8 company by equity in Seneffe, Telecoms and IT sector #9 oldest company in Seneffe, Telecoms and IT sector #10 company by total assets in Seneffe, Telecoms and IT sector

Balance sheet

balance sheet total €262,778 on 31-12-2025

What the company ownsHow it is paid for

in euro

Position in the sector

Compare with sector

83.8%

Higher than 80% of 21,208 companies in 2025.

2.30

Higher than 48% of 20,571 companies in 2025.

18.7%

Higher than 51% of 20,746 companies in 2025.

Dev One Middle half of the sector 80% of the sector Micro accounts in computer programming and consultancy (NACE 62)

Net result: middle half · Equity: top quarter · Balance sheet total: middle half · Working capital: middle half

Filed annual accounts

as filed with the National Bank, click a year to choose it

Line	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015	2014	2013	2012	2011	2010
Balance sheet: assets
`20/58`	262,778	347,907	281,828	251,307	249,888	299,815	267,906	264,247	253,568	252,952	245,693	243,104	229,763	142,733	54,232	32,619
`21/28`	165,101	169,637	176,785	178,657	176,445	187,322	184,259	189,567	190,148	197,143	200,497	203,634	203,966	88,582	4,074	4,159
`22/27`	165,101	169,637	176,785	178,657	176,445	187,322	184,259	189,567	190,148	197,143	200,497	203,634	203,966	88,582	4,074	4,159
`22`	154,490	159,016	163,541	168,635	170,268	175,241	180,215	183,913	188,631	192,504	195,139	195,273	198,011	84,156	-	-
`23`	995	1,516	2,037	2,558	-	-	-	-	98	196	294	391	-	-	-	-
`24`	9,615	9,105	11,206	7,464	6,177	12,081	4,044	5,654	1,419	4,443	5,065	7,969	5,955	4,425	4,074	4,159
`29/58`	97,678	178,270	105,043	72,650	73,443	112,492	83,647	74,680	63,420	55,808	45,195	39,470	25,797	54,152	50,158	28,460
`29`	-	74,528	19,180	3,452	-	46,379	42,937	35,699	28,556	29,144	17,043	7,385	-	-	-	-
`290`	-	-	-	-	-	-	-	-	-	-	-	7,385	-	-	-	-
`291`	-	74,528	19,180	3,452	-	46,379	42,937	35,699	28,556	29,144	17,043	-	-	-	-	-
`40/41`	19,602	35,202	46,691	40,347	11,716	22,437	23,023	16,398	16,440	15,096	19,184	17,890	21,006	9,825	9,442	11,265
`40`	19,602	34,075	44,150	40,347	11,716	22,437	23,023	16,398	14,051	15,096	19,184	16,899	12,494	-	9,438	11,265
`41`	-	1,126	2,541	-	-	-	-	-	2,388	-	-	990	8,512	9,825	4	-
`54/58`	67,419	57,000	32,365	24,146	56,769	36,602	13,058	17,037	13,560	5,854	2,583	12,669	2,451	41,109	39,573	16,367
`490/1`	10,657	11,540	6,807	4,705	4,957	7,074	4,630	5,547	4,865	5,715	6,385	1,526	2,340	3,218	1,143	828
Balance sheet: equity and liabilities
`10/49`	262,778	347,907	281,828	251,307	249,888	299,815	267,906	264,247	253,568	252,952	245,693	243,104	229,763	142,733	54,232	32,619
`10/15`	220,268	267,159	239,024	206,932	175,233	238,683	208,147	181,617	161,886	146,531	121,474	102,117	84,676	70,366	52,035	14,452
`10/11`	6,200	6,200	6,200	6,200	6,200	6,200	6,200	6,200	6,200	6,200	6,200	6,200	6,200	6,200	6,200	6,200
`100`	-	-	-	-	-	-	18,600	18,600	18,600	18,600	18,600	18,600	18,600	18,600	18,600	18,600
`101`	-	-	-	-	-	-	12,400	12,400	12,400	12,400	12,400	12,400	12,400	12,400	12,400	12,400
`13`	213,642	260,533	232,398	200,328	168,683	232,140	201,605	175,075	155,345	139,990	114,990	95,633	78,360	63,360	45,610	7,413
`130/1`	-	-	-	-	1,860	1,860	-	-	-	-	-	-	-	-	-	-
`130`	-	-	-	-	-	-	1,860	1,860	1,860	1,860	1,860	1,860	1,860	1,860	1,860	413
`1311`	-	-	-	-	1,860	1,860	-	-	-	-	-	-	-	-	-	-
`132`	-	-	-	-	-	34,500	34,500	34,500	34,500	34,500	34,500	34,500	34,500	27,500	18,750	-
`133`	213,642	260,533	232,398	200,328	166,823	195,780	165,245	138,715	118,985	103,630	78,630	59,273	42,000	34,000	25,000	7,000
`14`	426	426	426	404	350	344	342	342	341	341	284	284	116	806	225	839
`17/49`	42,510	80,748	42,804	44,375	74,654	61,131	59,759	82,631	91,683	106,421	124,219	140,987	145,087	72,368	2,197	18,167
`17`	-	-	-	-	-	12,584	27,684	42,784	55,139	72,984	88,084	103,183	118,283	30,866	-	-
`170/4`	-	-	-	-	-	12,584	27,684	42,784	55,139	72,984	88,084	103,183	118,283	30,866	-	-
`42/48`	42,510	80,748	42,804	44,375	73,273	41,102	30,453	36,308	35,023	31,848	33,556	35,801	24,459	38,331	1,737	18,167
`42`	-	-	5,123	4,042	15,109	17,125	17,125	18,583	17,845	15,100	15,100	15,100	15,100	15,100	-	-
`43`	6,080	6,320	-	-	-	-	-	-	-	5,000	-	-	-	-	-	-
`430/8`	6,080	6,320	-	-	-	-	-	-	-	5,000	-	-	-	-	-	-
`44`	6,965	5,452	6,891	6,101	3,086	11,006	3,548	2,188	1,614	1,764	7,099	3,292	7,665	7,103	105	2,342
`440/4`	6,965	5,452	6,885	6,101	3,086	11,006	3,548	2,188	1,614	1,764	7,099	3,292	7,665	7,103	105	2,342
`441`	-	-	6	-	-	-	-	-	-	-	-	-	-	-	-	-
`46`	-	6	-	-	-	-	-	-	-	-	-	-	-	-	-	-
`45`	19,870	22,710	11,061	18,868	20,761	12,972	9,777	15,421	15,565	9,984	11,357	17,409	1,695	4,528	1,355	13,959
`450/3`	19,870	22,710	11,061	18,868	20,761	12,972	9,777	15,421	15,565	9,984	11,357	17,409	1,695	4,528	1,355	13,959
`47/48`	9,596	46,260	19,730	15,363	34,316	0	3	117	-	-	-	-	-	11,601	277	1,866
`492/3`	-	-	-	-	1,382	7,445	1,623	3,539	1,520	1,589	2,579	2,002	2,344	3,170	460	-
Income statement
`9900`	84,636	91,042	87,554	78,631	68,305	60,310	49,062	41,438	39,955	54,764	51,005	46,877	31,995	65,754	50,933	16,923
`630`	9,071	10,022	10,658	8,116	8,390	9,017	7,161	7,686	7,623	7,962	9,274	9,612	4,128	5,412	3,034	1,995
`640/8`	4,172	2,651	2,169	2,049	1,857	6,874	1,680	2,720	3,044	3,169	2,361	2,277	2,697	788	1,129	1,168
`66A`	26	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
`9901`	71,367	78,368	74,727	68,466	58,058	44,419	40,221	31,032	29,289	43,634	39,371	34,989	25,170	59,554	46,770	13,760
`75/76B`	1,476	969	234	57	2	1,855	1,717	1,548	1,142	1,705	688	309	89	133	3	1
`75`	1,476	969	234	57	2	1,855	1,717	1,548	1,142	1,705	688	309	89	133	3	1
`65/66B`	3,470	1,430	1,662	2,169	3,015	2,401	3,076	3,835	4,596	4,306	4,807	5,674	5,235	2,910	1,065	1,441
`65`	3,470	1,430	1,662	2,169	3,015	2,401	3,076	3,835	4,596	4,306	4,807	5,674	5,235	2,910	1,065	1,441
`9903`	69,373	77,907	73,299	66,354	55,045	43,874	38,862	28,745	25,835	41,033	35,252	29,624	20,025	56,777	45,708	12,320
`67/77`	20,329	23,242	21,477	19,300	24,138	13,338	12,332	9,014	10,480	15,976	15,894	12,183	5,715	18,446	8,125	4,068
`9904`	49,044	54,665	51,822	47,054	30,907	30,536	26,531	19,731	15,355	25,057	19,357	17,441	14,310	38,331	37,583	8,252
`789`	-	-	-	-	34,500	-	-	-	-	-	-	-	-	-	-	-
`689`	-	-	-	-	-	-	-	-	-	-	-	-	7,000	8,750	18,750	-
`9905`	49,044	54,665	51,822	47,054	65,407	30,536	26,531	19,731	15,355	25,057	19,357	17,441	7,310	29,581	18,833	8,252
Appropriation of the result
`9906`	49,470	55,091	52,226	47,404	65,750	30,879	26,872	20,072	15,696	25,341	19,641	17,557	8,116	29,806	19,672	8,252
`14P`	426	426	404	350	344	-	-	-	-	-	-	-	-	-	-	-
`791/2`	95,935	26,530	19,730	15,355	94,357	-	-	-	-	-	-	-	-	20,000	-	-
`691/2`	49,044	54,665	51,800	47,000	65,400	30,535	26,530	19,730	15,355	25,000	19,357	17,273	8,000	29,000	19,447	7,413
`6920`	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1,447	413
`6921`	49,044	54,665	51,800	47,000	65,400	30,535	26,530	19,730	15,355	25,000	19,357	17,273	8,000	29,000	18,000	7,000
`694/7`	95,935	26,530	19,730	15,355	94,357	-	-	-	-	-	-	-	-	20,000	-	-
`694`	95,935	26,530	19,730	15,355	94,357	-	-	-	-	-	-	-	-	20,000	-	-
Document	PDF	PDF	PDF	PDF	PDF	PDF	PDF	PDF	PDF	PDF	PDF	PDF	PDF	PDF	PDF	PDF

The notes to these accounts have 7 items, including the statement of assets and debts, the cost breakdown and rights and commitments. You find them in the filed accounts (PDF).

Source: Annual accounts 2025 (PDF), filed on 18-03-2026.

Download as CSV

Filings

each dot is a set of accounts, on the day it reached the National Bank

Financial year	Type	Filed	Reference	Document
31-12-2025	micro format	18-03-2026	2026-00058739	PDF
31-12-2024	micro format	20-06-2025	2025-00161232	PDF
31-12-2023	micro format	26-08-2024	2024-00368330	PDF
31-12-2022	micro format	21-08-2023	2023-00336876	PDF
31-12-2021	micro format	02-08-2022	2022-20267418	PDF
31-12-2020	micro format	13-07-2021	2021-35000593	PDF
31-12-2019	micro format	13-08-2020	2020-42500146	PDF
31-12-2018	micro format	30-07-2019	2019-42000157	PDF
31-12-2017	micro format	18-06-2018	2018-19700065	PDF
31-12-2016	micro format	24-07-2017	2017-35500216	PDF
31-12-2015	full format	23-06-2016	2016-22000409	PDF
31-12-2014	full format	09-07-2015	2015-29500045	PDF
31-12-2013	full format	04-06-2014	2014-15600482	PDF
31-12-2012	full format	14-08-2013	2013-42900168	PDF
31-12-2011	full format	13-07-2012	2012-30000112	PDF
31-12-2010	full format	02-08-2011	2011-37600017	PDF

Key figures and ratios

per financial year, computed from the annual accounts

2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015	2014	2013	2012	2011	2010
80,438	88,390	85,385	76,582	66,449	53,436	47,382	38,717	36,911	51,596	48,645	44,601	29,298	64,966	49,804	15,755
58,115	64,687	62,480	55,170	39,297	39,553	33,692	27,416	22,978	33,019	28,631	27,052	18,438	43,743	40,617	10,247
18,147	2,875	8,785	10,329	1,894	18,609	3,713	7,105	1,757	4,955	10,225	10,472	126,552	89,920	2,949	6,154
10,419	24,635	8,219	-32,623	20,167	23,544	-3,979	3,478	7,706	3,270	-10,086	10,218	-38,658	1,536	23,206	-
55,168	97,522	62,239	28,275	170	71,390	53,195	38,373	28,397	23,960	11,639	3,669	1,337	15,820	48,421	10,293
83.8%	76.8%	84.8%	82.3%	70.1%	79.6%	77.7%	68.7%	63.8%	57.9%	49.4%	42.0%	36.9%	49.3%	95.9%	44.3%
2.30	2.21	2.45	1.64	1.00	2.74	2.75	2.06	1.81	1.75	1.35	1.10	1.05	1.41	28.87	1.57
0.19	0.30	0.18	0.21	0.43	0.26	0.29	0.45	0.57	0.73	1.02	1.38	1.71	1.03	0.04	1.26
22.3%	20.5%	21.7%	22.7%	17.6%	12.8%	12.7%	10.9%	9.5%	17.1%	15.9%	17.1%	16.9%	54.5%	72.2%	57.1%
18.7%	15.7%	18.4%	18.7%	12.4%	10.2%	9.9%	7.5%	6.1%	9.9%	7.9%	7.2%	6.2%	26.9%	69.3%	25.3%
23.18	61.80	51.37	35.30	22.04	-	-	-	-	-	-	-	-	-	-	-

A Belgian filing has no cash-flow statement. Cash flow is therefore an approximation, derived from the income statement. Investment is the acquisitions in the notes and, without them, the balance-sheet move.

Securities and guarantees

on own assets and for others

Item	2025	2024	2023	2022	2021
Mortgages, amount registered	-	€183,000	€183,000	€183,000	€183,000
Carrying value of the mortgaged assets	-	€159,016	€163,541	€168,635	€170,268

Source: notes to the 2021 to 2025 annual accounts (statement of debts and off-balance-sheet rights and commitments)

Investments

fixed assets acquired

Item	2025	2024	2023	2022	2021
Tangible fixed assets	€18,147	€2,875	€8,785	€10,329	€1,894
	€9,071	€10,022	€10,658	€8,116	€8,390

Source: notes to the 2021 to 2025 annual accounts (statement of fixed assets)

Insights on Dev One

The operating result for 2025 is 9% lower than in 2024 and the lowest since 2022.

Debt's share of the balance-sheet total falls from 23.2% to 16.2%. Equity and debt are lower.

Next steps

Work out how much credit to give this customer and on what payment terms.Credit check Compare this company with its sector.Sector benchmark See what changed in the latest annual accounts.What changed

Annual accounts 2025

Balance sheet

Change in equityin euro

Change in cashin euro

Position in the sector

Solvency83.8%

Current ratio2.30

Return on assets18.7%

Filed annual accounts

Filings

Key figures and ratios

Securities and guarantees

Investments

Insights on Dev One

Next steps

in euro

in euro

83.8%

2.30

18.7%